CN1170722C - Braking-force regulation device for bicycle - Google Patents
Braking-force regulation device for bicycle Download PDFInfo
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- CN1170722C CN1170722C CNB001186205A CN00118620A CN1170722C CN 1170722 C CN1170722 C CN 1170722C CN B001186205 A CNB001186205 A CN B001186205A CN 00118620 A CN00118620 A CN 00118620A CN 1170722 C CN1170722 C CN 1170722C
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Abstract
A braking power modulator is provided for a bicycle brake to modulate a braking power corresponding to a stroke of an inner wire of the brake cable. The braking power modulator is mounted midway along a brake cable for the bicycle brake. The braking power modulator is adjustable to provide different braking powers for different riders or different road conditions. The braking power modulator basically includes a tubular portion, a first blocking portion, a second blocking portion, a biasing member and an adjusting member. The tubular portion has a first end and a second end with a longitudinal axis extending therebetween. The biasing member is setted into the pipe between the first and second bolcking portion.
Description
Technical field
The present invention relates generally to the device to apply correction to braking force of bicycle brake device.The present invention is specifically related to a kind of adjustable device to apply correction to braking force, and this control apparatus is installed in the midway location of bicycle brake device brake wirerope, is used to regulate be equivalent to brake the braking force of cable wire stroke in the wirerope.This adjustable device to apply correction to braking force can provide different braking forces, to satisfy the requirement of different cyclists or different road conditions.
Background technology
Become a kind of more and more general leisure mode by bike, also be commonly used to transport thing.In addition, a kind of very general sparetime and specialty match motion have been become by bike.No matter be the bicycle that is used to lie fallow, transport thing or match, always bicycle manufacturer is updating the various parts and the vehicle frame of bicycle.Parts that constantly redesign are bicycle brake devices.Bicycle brake device constantly redesigns and the braking force of increase is provided to the cyclist.The braking force of this increase is difficult to control to inexperienced cyclist.Specifically be to have very big braking force bicycle brake device wheel is pinned.This makes tyre skidding.
For convenient inexperienced cyclist operates bicycle brake device, can between brake linkage and the bicycle brake device device to apply correction to braking force be added on the brake wirerope.The Taiwan patent announcement No.335378 that announces on July 1st, 1998 has proposed the example of device to apply correction to braking force.In addition, proposed another kind of technical scheme, this scheme is disclosed among the Taiwan patent announcement No.351315 that is entitled as " the brake steel cable structure with buffer action " of bulletin on January 21st, 1999.
Disclosed device to apply correction to braking force can effectively change braking force among the above-mentioned Taiwan patent announcement No.335378, and the brake shoe that prevents to brake pins wheel rim prematurely.On yet the structure of this device to apply correction to braking force makes that device to apply correction to braking force must the arm of integral installation in two brake arms of brake gear, so the structure of brake arm becomes very complicated.The manufacturing cost and the price of device are also quite high, and this is very disadvantageous aspect applying.
In above-mentioned Taiwan patent application bulletin No.351315 in the disclosed brake steel cable structure with buffer action, orientating box is fixed on brake arm or the brake linkage, chamber with desired depth, this chamber are used to admit the end of the elastic body bump rubber of doing and the wirerope shell that brakes.This bump rubber has the central through hole that passes cable wire in the brake wirerope.During brake operation, the shell pressurized of brake wirerope compresses bump rubber thus, makes bump rubber produce resistance.Like this, when the starting brake linkage carries out brake operation, just can cause long response time and buffer action is provided.Yet in this case, because be used to install the part that the orientating box of bump rubber forms the brake wirerope, so when adopting this brake wirerope, need to adopt a whole set of wirerope member rather than its part.Therefore the universality of this wirerope is bad, manufacturing cost and price is rather stiff, and this is very disadvantageous aspect it is applied.
Summary of the invention
Therefore above-mentioned thus reason needs a kind of like this device to apply correction to braking force, and promptly this control apparatus cooperates each brake gear easily, and very reliable and cheap.The present invention has satisfied at these requirements of this technical field and technical personnel and is reading other requirement that can obviously find out after the open explanation of this paper.
An object of the present invention is to provide a kind of device to apply correction to braking force of bicycle, this device is adjustable, can provide different braking forces with different road conditions for different cyclists.
Another object of the present invention provides a kind of bicycle brake apparatus for adjusting force with high reliability.
Another purpose of the present invention provides a kind of bicycle brake apparatus for adjusting force, and in this control apparatus, the preheating setting pressure of regulating biasing member can not change the stroke of predetermined control apparatus.
Another purpose of the present invention provides a kind of bicycle brake apparatus for adjusting force, and this device can be conditioned, with respect to brake wirerope stroke alteration braking force.
Another purpose of the present invention provides a kind of device to apply correction to braking force of bicycle, makes the manufacturing cost of this device quite low.
Provide a kind of like this bicycle brake apparatus for adjusting force just can reach above-mentioned purpose of the present invention, this device to apply correction to braking force is installed in the middle part of the brake wirerope of using along bicycle brake.This device to apply correction to braking force consists essentially of tube portion, first stop portions, second stop portions, biasing member and adjusting parts.This tube portion has first end and the second end, and its longitudinal axis extends between this end.First stop portions has the first wirerope hole, is connected in the first end of tube portion movably, so that make axial motion along predetermined adjustment device stroke in tube portion.Second stop portions has the second wirerope hole, the second end of connection pipe part.Biasing member is configured in the tube portion, between first and second stop portions, is in the preload condition that is subjected to the preheating setting pressure effect.Regulate parts and head on biasing member, thereby can change the preheating setting pressure of biasing member and do not change the predetermined adjustment device stroke of first stop portions.This device to apply correction to braking force is installed between first housing parts (front casing part) and second housing parts (rear casing part) of brake wirerope, and has the end of locating on described first and second stop portions.
The device to apply correction to braking force that is used for bicycle brake of Zu Chenging is as long as needs can be contained in the middle part of the brake wirerope of any brake gear in a manner described.When the cyclist operates brake linkage, when cable wire carries out brake operation in the towing brake wirerope, the cyclist must apply a ratio and act on that the big power of preload force on the helical spring just can make brake arm be moved by the interior cable wire of brake wirerope in the control apparatus shell, the wheel rim of wheel is clamped by the brake brake shoe, reached brake action thus.
Description of drawings
Engage accompanying drawing below and describe the preferred embodiments of the present invention in detail, describe in detail, it will be obvious to those skilled in the art that these and other purpose of the present invention, feature, aspect and advantage from these.
The following describes the accompanying drawing that constitutes this original specification sheets part.
Fig. 1 is the front elevation of bicycle brake device, and this brake gear has the device to apply correction to braking force that is connected brake wirerope middle part of the present invention;
Fig. 2 is the amplification front elevation of device to apply correction to braking force of the present invention shown in Figure 1;
Fig. 3 is the exploded front view of device to apply correction to braking force of the present invention shown in Fig. 1 and 2;
Fig. 4 is the top plan view of device to apply correction to braking force of the present invention shown in Fig. 1～3;
Fig. 5 is the flat sheet of the bottom view of device to apply correction to braking force of the present invention shown in Fig. 1～4;
Fig. 6 is the lateral cross figure along the device to apply correction to braking force shown in Fig. 1～5 of the transversal 6-6 intercepting of Fig. 2;
Fig. 7 is the longitdinal cross-section diagram of the part of device to apply correction to braking force shell shown in Fig. 1～6, the parts of in-to-in shown in the figure;
Fig. 8 is the longitudinal cross-section figure of device to apply correction to braking force of the present invention shown in Fig. 1～7;
Fig. 9 is the brake application curve figure that concerns between the cable wire retract stroke in expression braking force and the brake wirerope;
Figure 10 is the amplification front elevation of the device to apply correction to braking force of another enforcement of the present invention;
Figure 11 is the longitudinal cross-section figure of device to apply correction to braking force shell shown in Figure 10 part, selected parts shown in the figure;
Figure 12 is the amplification partial front elevation view of device to apply correction to braking force of the present invention shown in Figure 10 and coupled hand regulator;
Figure 13 is the flat sheet of the bottom view of device to apply correction to braking force of the present invention shown in Figure 12 and hand regulator;
Figure 14 is the front elevation with bicycle brake device of another embodiment of the present invention device to apply correction to braking force;
Figure 15 is longitudinal cross-section figure, and the device to apply correction to braking force shown in Figure 14 that is contained between brake wirerope shell and the interior cable guard arm is shown;
Figure 16 is a longitdinal cross-section diagram, and the detailed structure of device to apply correction to braking force shown in Figure 14 and 15 is shown;
Figure 17 is a longitdinal cross-section diagram, and the another kind of structure of device to apply correction to braking force shell shown in Figure 14～16 is shown;
Figure 18 is the brake application curve figure of device to apply correction to braking force shown in Figure 14～16, and the relation between the draft travel of cable wire in braking force and the wirerope is shown.
The specific embodiment
First-selected with reference to figure 1, a kind of bicycle brake device 1 shown in the figure, this device have the device to apply correction to braking force 2 that is contained in its brake wirerope 10 middle parts of the present invention.This device to apply correction to braking force 2 is used for bicycle brake device 1, can regulate the braking force corresponding to cable wire 10a stroke in the brake wirerope 10.In this preferred embodiment, can regulate device to apply correction to braking force 2, the braking force of brake gear 1 effect is changed.Device to apply correction to braking force 2 no matter its desired location how, its whole stroke is constant.And when desired location changed, the control apparatus trip distance of device to apply correction to braking force 2 did not change.
On the front fork 4 that the brake arm 12a of brake gear 1 and 12b are rotatably supported in vehicle frame.Its upper end of the brake arm 12a of brake gear 1 is connected in the front end 10f of cable wire 10a in the brake wirerope 10 with bolt 8.The rear end of interior cable wire 10a is connected on the brake linkage (not shown) on the bicycle handle (not shown) in a usual manner.The brake arm 12b of brake gear 1 end thereon has connecting arm 11, but rotate the upper end of this arm coiling swing arm 12b.Its front end of conduit 10b of wirerope 10 cable wire 10a is fixed in connecting arm 11.Telescopic protecting sleeve 10c is enclosed within on the cable wire 10a, and in abutting connection with connecting arm 11.
As shown in Figure 8, the rear end of cable guard arm 10b embeds an end of device to apply correction to braking force 2 of the present invention.The end of the shell 10d of brake wirerope 10 embeds the upper end of device to apply correction to braking force 2, and the other end of brake wirerope 10 shell 10d is connected in the brake linkage (not shown).The brake wirerope that the brake wirerope for example is used for brake gear 1 can be bought on the market for 10 now, but band brake apparatus for adjusting force 2 not.Cable wire 10a, interior cable guard arm 10b, telescopic protecting sleeve 10c and shell 10d in brake wirerope 10 consists essentially of.The most handy finer wire of interior steel pipe 10a is made.The most handy metallic of interior cable guard arm 10b is done, and for example does with aluminum, and plastic lining 10e is arranged, as shown in Figure 8.The most handy rubber of flexible protecting sleeve 10c is made.Overcoat 10d preferably has the internal layer of metal work and the skin that resin is done.
For using device to apply correction to braking force 2 of the present invention, only device to apply correction to braking force 2 need be contained between the bottom and interior cable guard arm 10b of brake wirerope 10 shell 10d.Specifically be, the lower end of shell 10d is embedded an end of device to apply correction to braking force 2, and the upper end of interior cable guard arm 10b is embedded the other end of control apparatus 2.The rear end (not shown) of interior cable wire 10a is fixed on the interior cable wire end fixed part of brake linkage (not shown).The front end of interior cable wire 10a passes shell 10d, device to apply correction to braking force 2, interior cable guard arm 10b and flexible protecting sleeve 10c in proper order.The front end 10f of interior cable wire 10a is fixed in the upper end of brake arm 12a with bolt 8.
Shown in Fig. 1,2,7 and 8, device to apply correction to braking force 2 is contained in the middle part of the brake wirerope 10 of bicycle brake device 1.Device to apply correction to braking force 2 can be conditioned and provide different braking forces to different cyclists or different road conditions.-when the brake shoe play is determined, no matter how brake-power regulation adorns 2 desired location, total brake gear 1 the wirerope stroke just be determined.
Shown in Fig. 3,7 and 8, device to apply correction to braking force 2 consists essentially of outer pipe shell or part 20, first stop member or part 22, second stop member or part 24, biasing member 26 and setting nut or parts 28.Device to apply correction to braking force 2 is designed to that total wirerope stroke does not change when regulating device to apply correction to braking force 2.Shown in Fig. 7 and 8, the constant control apparatus stroke M of formation can realize this point between first and second stop members 22 and 24 just make.Control apparatus stroke M preferably is about total wirerope stroke of 7mm.When regulating device to apply correction to braking force 2, control apparatus stroke M moves along brake application curve shown in Figure 9.
Fig. 7 and 8 is longitdinal cross-section diagrams, and the detailed structure of device to apply correction to braking force 2 of the present invention is shown.As Fig. 7 and 8 clear illustrating, shell 20 has first open end 30 (Fig. 5) and second open end 32 (Fig. 4), and its longitudinal axis is extending between this end.In a preferred embodiment, shell 20 is the hollow cylindrical shell of aluminium work.Be connected with first stop member 22 of regulating parts 28 on it and be configured in versatilely in the outer pipe shell 20, in abutting connection with first open end 30.Second stop member, 24 fixed configurations are in outer pipe shell 20, in abutting connection with second open end 32.Biasing member 26 is configured in the outer pipe shell 20 versatilely, between second stop member 24 and setting nut or parts 28.For first stop member 22 being moved in outer pipe shell 20 smoothly and making biasing member 26 level and smooth elongation and compression in this outer pipe shell, the lubricating oil (not shown) is coated in the inside that is preferably in shell 20.
The sidewall 20 of shell 20 has a pair of elongated window or the opening 34 that is used to observe device to apply correction to braking force 2 desired locations.On the sidewall of shell 20, form mark, so that the desired location of indication device to apply correction to braking force 2.In illustrative embodiment, be marked with three desired locations for example L (low compression), H (high compression) and LOCK (locking) at shell 20.Can certainly for example use the kg scale with the mark of other form.
First stop member, 22 shapes are the bolt of prestrain, and this bolt is engaged in setting nut or parts 28 adjustablely.First stop member 22 is contained in the shell 20 versatilely, can carry out axial motion along predetermined control apparatus stroke at this shell 20.Biasing member 26 is pushed first stop member 22 to first open end 30 of shell 20.Therefore, first stop member 22 application force that can revolt biasing member 26 carries out axial motion in shell 20.The power that biasing member 26 acts on first stop member 22 (prestrain adjusting bolt) can be changed with respect to the position of first stop member 22 by changing setting nut or parts 28.First stop member 22 is hollow cylindrical shells, and the most handy animi resin material or aluminum are done.First stop member 22 has the first 40 that protrudes from shell 20 first open ends 30, the second portion 42 that is positioned at shell 20 and ring-shaped bearing flange 44.
Ring-shaped bearing flange 44 its overall diameters are a bit larger tham the interior diameter of shell 20 first open ends 30 openings.First stop member 22 is configured in the shell 20 versatilely, in abutting connection with first open end 30.Therefore can prevent that first stop member 22 from deviating from shell 20 from first open end 30, because the overall diameter of ring-shaped bearing flange 44 is greater than the interior diameter of first opening on first open end.
As shown in Figure 8, first and second parts 40 and 42 are axially passed in the first wirerope hole 46, so that pass brake wirerope 10 therein.Specifically be, the first wirerope hole 46 of first stop member 22 is steps, has first cylindrical portions may 48 and second cylindrical portions may 50.First cylindrical portions may 48 is extended along the first 40 of first stop member 22, and its diameter is a bit larger tham the overall diameter of the interior cable guard arm 10b of the wirerope 10 that brakes.And second cylindrical portions may 50 is extended along the second portion 42 of first stop member 22, and its diameter is a bit larger tham the external diameter of cable wire 10a in the brake wirerope 10.Between first and second cylindrical portions may 48 and 50 of first stop portions 22, form bearing, so that the end of cable guard arm 10b in the supporting brake wirerope 10.
The first 40 of first stop member 22 protrudes from the opening of shell 20 first ends 30.The first 40 of first stop member 22 has the plane surface of pair of parallel, thereby first stop member 22 is rotated around its longitudinal axis.The second portion 42 of first stop member 22 has outside thread, is used for screw-threaded engagement and regulates parts or nut 28.Biased element 26 heads on regulates parts or nut 28, thereby the first spring stop part 22 is pushed to first open end 30 of shell 20.Like this, the ring-shaped bearing flange 44 of first stop member 22 just contacts the end wall of shell 20 first open ends 30.As described below, change setting nut or parts 28 and just can change biasing member 26 along the relative position of first stop member 22 and act on power on first stop member 22.
Second stop member, 24 shapes are the lid of prestrain, and this lid is fixedly connected on second open end 32 of shell 20.Second stop member 24 preferably is fitted in second open end 32 of shell 20.Perhaps second stop member 24 can be bonded in second open end 32 of shell 20.Similar with first stop member 22, second stop member 24 is hollow cylinders, does with animi resin material or aluminum.One end of biasing member 26 heads on second stop member 24, and the other end of biasing member 26 heads on setting nut or parts 28, thereby first stop member 22 under normal circumstances is pressed against on the end wall of first open end 30.
As shown in Figure 8, second stop member 24 has first 60 and second portion 62, by axially towards the areal of support 64 that forms of surface between first and second parts 60 and 62.This stop surface 64 heads on an end of biasing member 26.Second stop member 24 also has second and extends axially wirerope hole 66.The second wirerope hole 66 of second stop member 24 has first cylindrical portions may 68 and second cylindrical portions may 70.First cylindrical portions may, 68 its diameters of second stop portions 24 are a bit larger tham the overall diameter of brake wirerope 10 shell 10d.Second cylindrical portions may, 70 its diameters of second stop member 24 are a bit larger tham the overall diameter of cable wire 10a in the brake wirerope 10.Between first and second cylindrical portions may 68 and 70 in the second wirerope hole 66 of second stop member 24, form bearing, so that the end of the housing parts 10d of supporting brake wirerope 10.
Regulate parts or nut 28 and be positioned at shell 20, can regulate along the length of first stop member, 22 second portions 42.Regulate parts or nut 28 and have a pair of outward extending tongue piece 72 of direction that promptly separates 180 ° in opposite direction.This tongue piece 72 is contained on window or the elongated open 34 slidably.This tongue piece 72 plays two effects.The first, this tongue piece 72 can prevent to regulate parts or nut 28 rotates in shell 20; The second, tongue piece 72 can play the indicating device effect, is used to indicate the compression degree of biasing member 26.In other words, can determine the desired location of device to apply correction to braking force 2 according to the position of tongue piece 72 on window or elongated open 34.As mentioned above, be preferably on the sidewall of shell 20 and add mark, with the desired location of indication device to apply correction to braking force 2.In illustrative embodiment, on shell 20, provide three desired locations, for example L (low compression), H (high compression) and LOCK (latched position).
Regulate parts or nut 28 and head on biasing member 26, thereby can change the set pressure of biasing member 26 and do not change the predetermined adjustment device stroke of first stop member 22.Specifically be, regulate parts or nut 28 and have screw-threaded engagement first stop member 22 second portions 42 externally threaded tapped bore, thereby can make above adjusting portion part or nut 28 be screwed in.Like this, rotating first stop member 22 just can make adjusting parts or nut 28 move axially in shell 20.When regulating parts or nut 28 and shift to second stop member 24, biasing member or helical spring 26 just are compressed.In other words, the biasing member 26 power bolt prestrain that acts on first stop member 22 is regulated and can be changed along the relative position of first stop member 22 by changing setting nut or parts 28.Regulate that parts or nut 28 carry out that this kind moves and biasing member or helical spring by compression during, first and second stop members 22 and 24 still keep motionless.In other words, during biasing member or helical spring 26 were by compression, first and second stop portions 22 and 24 relative position did not change.Therefore each desired location control apparatus stroke for device to apply correction to braking force 2 still keeps constant.
The following describes a kind of possibility method of assembling device to apply correction to braking force 2.At first will regulate parts or nut 28 and insert shell 20 by an open end 30 or 32.The tongue piece 72 that to regulate parts or nut 28 then is positioned on the window or opening 34 of shell 20.First open end 30 by shell 20 inserts first stop member shell 20 and is screwed into adjusting parts or nut 28 then.Then make the first end deformation of shell 20, form the abutment wall of fixing first stop member 22.So first stop member, 22 adjacency, first open end 30, and the ring-shaped bearing flange 44 of first stop member 22 hits the end wall of shell 20 first open ends 30.
Then helical spring 26 is inserted shell 20 through second open end 32 of shell 20, make the end of helical spring 26 surround the screw thread of the second portion of first stop member 22.Second stop member 24 is fitted in second open end 32 of shell 20 then, makes second cylindrical portions may 62 of second stop member 24 be embedded in the other end part of helical spring 26.Perhaps second stop member 24 is bonded in second open end 32 of shell 20.In this position, an end of biasing member 26 heads on second stop member 24, and the other end of biasing member 26 heads on adjusting parts or nut 28, so that first stop member 22 under normal circumstances is pressed against on the end wall of first open end 30.Therefore helical spring 26 is in pressured state, between first and second stop members 22 and 24.Finish the assembling of device to apply correction to braking force 2 thus.
The following describes the size of the preload force that acts on device to apply correction to braking force 2 of the present invention.Preload force representative when cable wire 10a brakes in the cyclist holds the traction of brake linkage (not shown) be driving in cable guard arm 10b to the shell 10d of the wirerope 10 that brakes move must act on the power on the cable wire 10a in the wirerope 10 that brakes.
Because cyclist's weight, experience and habit etc. is different, desirable grip force is different to various cyclists.Therefore device to apply correction to braking force 2 of the present invention is adjustable, to be fit to difference human needs by bike.Can be pre-loaded into the helical spring 26 of device to apply correction to braking force 2 of the present invention, make it both can have the low brake power of about 7 kgfs of numerical value, can have the high brake power of about 14 kgfs of numerical value again.The cyclist can regulate the custom of device to apply correction to braking force 2 to be fit to its weight, to hold power and operate brake continuously.For example, the heavily about 60 kilograms cyclist device to apply correction to braking force 2 that can preferably select to have 10 kilograms of preload force.It is 14 kilograms of device to apply correction to braking forces 2 that the cyclist of weight more than 60 kilograms can preferably select preload force.And weight is the control apparatus 2 of 7 kgfs in the selected preload force of the cyclist below 60 kilograms.Certainly, the device to apply correction to braking force 2 of illustration and explanation in this article is about 7 kilograms low brake power adjustment to device to apply correction to braking force 2 blocked positions from numerical value serially.When device to apply correction to braking force 2 was locked, first and second stop members 22 and 24 inner end docked each other, in making cable wire 10a between moving period helical spring 26 can not be compressed.
When the interior cable wire 10a that holds brake linkage (not shown) towing brake wirerope 10 as the cyclist carries out brake operation, on cable wire 10a, just produce tension force (convergent force).When this tension force during greater than the preload force on the helical spring 26 that acts on device to apply correction to braking force 2 (for example 7,10 or 14 kgfs), just drive conduit 10b, make 22 motions of first stop member.Like this, regulating parts or nut 28 and first stop member 22 just moves to the shell 10d of brake wirerope 10 together in company with interior cable guard arm 10b.Thereby regulate parts or nut 28 and second stop member 24 and just helical spring 26 is compressed in the shell 20.Owing to increased retract stroke and the retraction force of the required interior cable wire 10a of compression helical spring 26, thereby caused delaying of braking action.
As described in Figure 9, the retract stroke of cable wire 10a or the relation between the cable wire stroke (mm) in braking force shown in the figure (kgf) and the brake wirerope 10, this relation can illustrate that the different preload force that acts on helical spring 26 will produce different braking forces.Among Fig. 9, vertical axis is represented braking force (kg power), and horizontal shaft represent to brake retract stroke or the wirerope stroke of cable wire 10a in the wirerope 10.
The solid line that extends to LOCK (locking) from horizontal shaft among Fig. 9 represents not add the brake application curve of the cantilevered brake gear of device to apply correction to braking force 2 of the present invention.Each inclination solid line that the brake application curve of never regulating parallel to each other stretches out among Fig. 9 is represented the brake application curve of the cantilevered brake gear that device to apply correction to braking force of the present invention is housed on it.The solid line role of delegate of these five parallel brake application curves is in the different preload force of helical spring 26.In other words, this part brake application curve is represented corresponding to the compressed that part of brake application curve of spring.The length of control apparatus stroke M is identical for each brake application curve.In other words, the length of this control apparatus stroke M does not change when preload force with helical spring 26 is made in change.The length of the control apparatus stroke M of this device to apply correction to braking force 2 preferably is about 7mm.
Can find out obviously that from Fig. 9 the general brake gear with device to apply correction to braking force 2 of the present invention does not have very steep brake application curve.Promptly in the very short retract stroke of interior cable wire 10a, just can reach very big braking force.On the contrary, as shown in Figure 9, behind the device to apply correction to braking force 2 of loading onto the application on the same brake gear, just can obtain demonstrating the brake application curve of buffering effect.Be that inexperienced cyclist can easily control bicycle brake device 1 now.
If prestrain is about 7 kilograms power on the helical spring 26 of device to apply correction to braking force 2, then braking force sharply rises at the brake initial period, but when helical spring 26 begins to be subjected in compression, just braking force increases gradually with lower speed.One when first and second stop members 22 and 24 contact with each other, and helical spring 26 just can not recompress.Therefore in the final stage of cable wire stroke, the raising speed of braking force begins rapid increase again.If the helical spring 26 of device to apply correction to braking force 2 is subjected to bigger preload force, then device to apply correction to braking force 2 can not work in the wirerope stroke soon.In other words, the initial deboost phase is longer, thereby can act on bigger braking force on wheel rim, and device to apply correction to braking force just works then, reduces the raising speed of braking force with respect to the wirerope stroke.
Can obviously find out from these brake application curves, when device to apply correction to braking force 2 of the present invention is housed, make between the complete stall of wheel at the beginning brake operating with because of the brake brake shoe blocks wheel rim, the retract stroke of sodium rope 10a comprises adjustment travel in the brake guiding principle cable 10, and the trip can prevent that wheel rim from being blocked by the brake brake shoe prematurely.During cushion stroke, the cyclist still can reach braking action, thereby produces well brake control feel.The cyclist can cosily carry out brake operation and not necessarily need professional operation skill, thereby can ride happily.Particularly during riding the downhill path, can prevent from effectively to stop and watt block wheel rim and brake control error prematurely.
Second embodiment
Below with reference to Figure 10～13, the device to apply correction to braking force 2 ' of another embodiment of the remodeling of the present invention shown in the figure.This embodiment is identical with above-mentioned first embodiment basically, has just increased transparency cover 38 ' in this embodiment and has changed the bottom of shell 20 '.Because the similarity of this embodiment and previous embodiment, this paper explains and illustration device to apply correction to braking force 2 ' no longer equally.In addition, adopt the Ref. No. of first embodiment in this embodiment for identical parts.The parts of retrofiting among this embodiment are by adding apostrophe (' in the upper right side) mode distinguish.
Shown in Figure 10 and 11, device to apply correction to braking force 2 ' is contained in the middle part of bicycle brake device 1 brake wirerope 10 shown in Figure 1.Device to apply correction to braking force 2 ' can be conditioned for different cyclists or different road conditions and produce different braking forces.One fixes when the brake shoe play, no matter the desired location of device to apply correction to braking force 2 ' how, total brake gear 1 the wirerope stroke also be fixed.
As shown in figure 11, device to apply correction to braking force 2 is similar to first embodiment, consists essentially of outer pipe shell or part 20 ', first stop member or part 22, second stop member or part 24, biasing member 26 and setting nut or the parts 28 of remodeling.For ease of assembling device to apply correction to braking force 2 ' and preventing that foul from entering device to apply correction to braking force 2 ', outer pipe shell or part 20 ' are by three component set-ups.
Braking force transfers device 2 ' to be designed to not change total wirerope stroke when regulating device to apply correction to braking force.Between first and second stop members 22 and 24, form constant control apparatus stroke M and just can realize this point, as shown in figure 11.This control apparatus stroke preferably is about total wirerope stroke of 7mm.Regulate device to apply correction to braking force 2 ', control apparatus stroke M just moves along brake application curve shown in Figure 9.
Shell 20 ' has first open end 30 ' and second open end 32 ', and its longitudinal axis extends between this open end.The size of first open end, 30 ' opening reduces owing to end cap or parts 36 ', this end cap with lining cement, press-fit method or any other fixing means is firmly secured to shell 20 '.In a preferred embodiment, shell 20 is to make hollow cylinder with aluminium or animi resin.Have first stop member 22 of regulating parts 28 and be configured in movably in the outer pipe shell 20 ', in abutting connection with first open end 30 '.Second stop member, 24 fixed configurations are in outer pipe shell 20 ', in abutting connection with second open end 32 '.Biasing member 26 is configured in the outer pipe shell 20 ' versatilely, between second stop member 24 and setting nut or parts 28.For first stop member 22 being moved in shell 20 ' smoothly and helical spring 26 is extended in shell 20 ' smoothly and shrinking, the lubricating oil (not shown) is coated in the inside that is preferably in shell 20 '.
The sidewall of shell 20 ' has a pair of elongated window or opening 34 ', so that observe the desired location of device to apply correction to braking force 2 '.Go up the transparent pipe box of covering or cover 38 ' at this opening 34 ', enter shell 20 ' to prevent foul.Lid 38 ' preferably is contained in the ring groove 39 ' that forms on shell 20 ' outside face.Like this, lid 38 ' just forms the transparent part of shell 20.On the sidewall of this transparency cover 38 ' or shell 20 ' go up mark, to show the desired location of device to apply correction to braking force 2 '.In illustrative embodiment, be marked with three desired locations for example L (low compression), H (high compression) and LOCK (latched position) at transparency cover 38 ' or shell 20 '.Certainly, can also adopt other mark, for example use the scale of kilogram unit.
Shown in Figure 12 and 13, available a kind of instrument or hand adjustment regulating part 41 make first stop member or part 22 rotate with respect to setting nut or parts 28.Specifically be that hand adjustment regulating part 41 has the notch 43 that can insert first stop member or part 22 firsts 40.Specifically be to make two relative planes of hand adjustment regulating control 41 notches 43 block two of first 40 of first stop member or part 22 on the contrary towards flat part.Like this, with hand adjustment joint regulating part 41, first stop member or part 22 are rotated, so just make and regulate parts or nut 28 motion vertically in shell 20 ', pressing spring 26 thus.Though illustration send as an envoy to hand adjustment regulating part 41 and device to apply correction to braking force 2 ' coupling can obviously be found out during from then on technical personnel illustrates among the figure, also can use this hand adjustment regulating part 41 on the device to apply correction to braking force 2 of first embodiment.
The 3rd embodiment
Below with reference to Figure 14～18, the non-adjustable device to apply correction to braking force 100 of another embodiment of the present invention shown in the figure.Below with reference to description of drawings this embodiment of the present invention.Figure 14 illustrates the Regular Bicycle brake gear 1 that device to apply correction to braking force 100 of the present invention is housed.Show that the bicycle device 1 of examining Figure 14 is the cantilevered brake gear, just can reach braking action by brake brake shoe 14a and 14b are pressed on the side surface 5a of wheel rim 5.
On the front fork 4 that the brake arm 12a of brake gear 1 and 12b are rotatably supported in vehicle frame.Its upper end of brake arm 12a of brake gear 1 is connected in the front end 10f of cable wire 10a in the brake wirerope 10 with bolt 80.The rear end of interior cable wire 10a is connected on the handle (not shown) on the brake linkage, and its upper end of brake arm 12b of brake gear 1 has connecting arm 11, and this arm can rotate around the upper end of brake arm 12b.Its front end of conduit 10b of cable wire 10a is fixed on the connecting arm 11 in the brake wirerope 10.Flexible protecting sleeve 10c is around interior cable wire 10a, in abutting connection with connecting arm 11.
As shown in figure 14, the rear end of interior cable guard arm 10b embeds an end of device to apply correction to braking force 100 of the present invention.Its lower end of shell 10d of brake wirerope 10 embeds the other end of device to apply correction to braking force 100, and its other end is connected in the brake linkage (not shown).The brake wirerope 10 of the brake gear 1 of band brake apparatus for adjusting force 100 does not have now on market and can buy.
For using device to apply correction to braking force 100 of the present invention, only need between the bottom of brake wirerope 10 shell 10d and interior cable guard arm 10b, load onto device to apply correction to braking force 100.Method is the lower end of shell 10d to be embedded an end of device to apply correction to braking force 100, and interior cable guard arm 10b upper end is embedded the other end of control apparatus 100.The rear end (not shown) of interior cable wire 10a is fixed on the mounting portion, interior cable wire end of brake linkage (not shown).The front end 10f of cable wire 10a passes shell 10d, brake regulation system 100, interior cable guard arm 10b and telescopic protecting sleeve 10c in proper order in making, and is fixed in the upper end of brake arm 12a then with bolt 80.
Shown in Figure 15 and 16, device to apply correction to braking force 100 of the present invention comprises shell 110, first stop member 120, helical spring 130 and second stop member 140.Shell 110 is hollow cylinders of doing with aluminium or animi resin, and the one end has first circular open 112, and its other end has second circular open 116.
Helical spring 130 usefulness steels are done, and its overall diameter is slightly smaller than the interior diameter of shell 110, and its internal diameter is equal to or slightly greater than the overall diameter of the cylinder part 142 of the overall diameter of cylindrical portions may 122 of first stop member 120 and following second stop member 140 that will illustrate.Helical spring 130 is contained in the shell 110, and one end thereof is divided the cylindrical portions may 122 of surrounding first stop member 120, and is supported on the annular flange 126 of first stop member 120.
Similar with first stop member 120, second stop member 140 is hollow cylinders that resin is done, has cylindrical portions may 142 and at the end wall 143 in its front (left side of Figure 16), also has the 4th circular open 144, this opening is formed on the middle body of end wall 143, the overall diameter of cable wire 10a in its diameter is a bit larger tham, this opening also has second ring-shaped bearing piece 145, this supporting member forms on cylindrical portions may 142, is used to support the end of shell 10d of brake wirerope 10 or the end of interior cable guard arm 10b.The cylindrical portions may 142 of second stop member 140 side (right side of Figure 16) in its back-end also has annular flange 14b.The overall diameter of this annular flange 146 equals or is slightly smaller than the interior diameter of shell 10.Second stop member 140 is fitted in or is fixed on second opening 116 of shell 110.
When assembling above-mentioned device to apply correction to braking force 100, earlier first stop portions 120 is contained in the shell 110, make it in abutting connection with first opening 112, then helical spring 130 is inserted shell 110, make an end parts of helical spring 130 center on the cylindrical portions may 122 of first stop member 120.In this state, second stop member 140 is pressed into shell 110 from second opening 116 of shell 110, make the cylindrical portions may 142 of second stop member 140 insert the other end part of helical spring 130, this helical spring is supported on the annular flange 146 of second stop member 140.Like this, helical spring 130 is in compressed state, and two end parts of this helical spring are pressurizeed by the annular flange 126 of the first spring stop part 120 and the annular flange 146 of second stop member 140 respectively.In this state, fixing processing, make second stop member 140 be fixed in integratedly on second opening 116 of shell 110 near on shell 110 outer peripheral faces of second opening 116.Perhaps, change shell 110, make it structurally be similar to shell 20 ' shown in Figure 11.In other words, can first stop member 120 be fixed in the shell 110 by end cap or the parts 36 ' that press-fit for example previous embodiment of an end cap or liner.So just, finish the assembling of device to apply correction to braking force 100.
Certainly, for second stop member 120 being moved smoothly and making helical spring 130 in shell 110, extend smoothly and compress, can coat the lubricating oil (not shown) in shell 110 in the inside of shell 110.
In addition, as shown in figure 17, can be at the shell 110 inner annular grooves 118 that form, so that when second stop member 140 is pressed into second opening 116, fix second stop member 140 near second opening 116.This disposing is beneficial to location second stop member 140, can prevent that these parts from will moving.
Though will fix processing in the above,, the invention is not restricted to carry out this processing so that second stop member 140 integrally is fixed on second opening 116 of shell 110.Second stop member can be with adhesive securement in second opening 116.
The following describes the size that acts on the preload force on the device to apply correction to braking force 100 of the present invention.Preload force representative herein when cable wire 10a carries out brake operation in the cyclist holds the traction of brake linkage (not shown) be cable guard arm 10b shifts to the wirerope that brakes in ordering about shell 10d must act on the tractive force on the cable wire 10a in the wirerope 10 that brakes.
Because the custom difference of different its weight of cyclist, grip and operation brake, so its size of power that is added in advance on the helical spring 130 of device to apply correction to braking force 100 of the present invention can be in the scope of for example 7～13 kgfs.The cyclist can buy a suitable device to apply correction to braking force 100 according to the weight of self, the grip of hand and the custom of brake operation.For example the about 60 kilograms cyclist of weight preferably selects its preload force to be about the device to apply correction to braking force 100 of 10 kgfs, the cyclist that weight surpasses 60kg preferably selects its preload force to be about the device to apply correction to braking force 100 of 13kg power, the control apparatus 100 that the then optional preload force of the cyclist of deficiency in weight 60kg is a 7kg power.
When the cyclist holds the brake linkage (not shown), when the interior cable wire 10a of towing brake cable wire 10 carries out brake operation, on interior cable wire 10a, just produce tension force (tractive force).When this tension force during greater than the preload force on the helical spring 130 that acts on device to apply correction to braking force 100 (for example 7,10 or 13 kilograms), just cable guard arm 10b moves in can ordering about, when mobile, the upper end of this conduit 10b is pressed against on first supporting member 125 of first stop member 120.So just, can make first stop member 120 shift to the shell 10d of brake wirerope 10 together in company with interior cable guard arm 10b.Thereby the helical spring in shell 110 130 is just compressed by the annular flange 126 of first stop member 120.Owing to increase draft travel and the compression helical spring 130 necessary tractive forces of cable wire 10a, so cause delaying of brake.
Figure 18 illustrates the relation between the draft travel (mm) of cable wire in braking force (kilogram) and the brake wirerope, can explain with this relation will produce different braking forces when acting on helical spring 130 with different preload force.
Among Figure 18, Y axis Y is represented braking force (kilogram), axis of abscissa represent the to brake draft travel of cable wire in the wirerope.The brake application curve of the general cantilevered brake gear of device to apply correction to braking force 100 of the present invention is unkitted in dotted line representative among Figure 18.Each bar inclination solid line is represented the brake application curve of the general cantilevered brake gear that device to apply correction to braking force 100 of the present invention has been housed on it among Figure 18.Brake application curve when stretching to three solid lines at top from the bottom preload force of role of delegate on helical spring 130 being 7,10,13 kgfs respectively.
Can find out obviously that from the dotted line of Figure 18 the general brake gear of not adorning device to apply correction to braking force 100 of the present invention has very steep brake application curve.Promptly from the draft travel of 14mm, the very short draft travel of interior cable wire will produce very big braking force.In contrast, shown in the solid line of Figure 18, just after loading onto device to apply correction to braking force 100 of the present invention on the same brake gear, can obtain the brake application curve of display buffer effect.Promptly for inexperienced cyclist, bicycle brake device becomes now and controls easily.
Specifically be that if use the device to apply correction to braking force 100 of preload force as 7kg, then braking force sharply increases at the initial period of draft travel 12 to about 16mm.Yet in the intermediary of draft travel 16 to about 26mm, braking force increases gradually.Final stage after draft travel surpasses 26mm, braking force rise again rapidly.
If use the device to apply correction to braking force 100 of preload force as 10kg, then in the starting stage of draft travel 12～17mm, braking force rises rapidly.Yet, increase gradually at the intermediary braking force of draft travel 17 to about 27mm.Final stage braking force after draft travel surpasses 27mm rises again rapidly.
If use the control apparatus 100 of preload force as the 13kg braking force, then the starting stage braking force in draft travel 12 to about 18mm sharply rises.Yet in the intermediary of draft travel 18 to about 28mm, braking force increases gradually.And the final stage braking force after draft travel surpasses 28mm rises rapidly.
Can obviously find out from these brake application curves, after installing device to apply correction to braking force 100 of the present invention additional, brake operation begin and brake brake shoe chucking wheel rim and fully between the brake wheel in the brake wirerope draft travel of cable wire comprise that the cushion stroke part of abundant length, this kind cushion stroke brake shoe that can prevent to brake locks wheel rim prematurely.During cushion stroke, the cyclist still can reach braking action and the control feel that well braked.So therefore the cyclist cosily carries out brake operation, not necessarily need the control skill of specialty, thereby ride up to happy.Particularly when riding the downhill path, the brake shoe that can prevent from effectively to brake locks wheel rim prematurely, thereby can prevent brake control error.
Device to apply correction to braking force according to bicycle brake device of the present invention, because its scantling of structure is corresponding to the shell of the brake wirerope that can buy on market now of general brake gear and the size of interior cable guard arm, and its volume is also little, so, thereby have cooresponding universality so device to apply correction to braking force is contained in the middle part of the brake wirerope of any required type bicycle brake device.
In addition, because helical spring, first stop member and second stop member all are encapsulated in the shell, so device to apply correction to braking force is simple in structure, the reliability height, low cost of manufacture, thereby have very big popularization.
And can select with different loading forces for example 7,10 and 13 kilograms masterpiece be used for helical spring.The cyclist can according to self weight, hold power and brake operation custom and select device to apply correction to braking force with suitable preload force.Therefore, the cyclist can obtain the control feel that well brakes, and can carry out brake operation comfily and not necessarily needs the specialized operations skill, like this can be relievedly by bike.Particularly when riding the downhill path, the error that the brake shoe that can effectively prevent to brake pins wheel rim and brake operation prematurely.
Although only select three main embodiment explanation the present invention, technical personnel can know from this explanation and find out, can carry out various changes and modification and can not exceed the determined scope of the invention of appended claims.In addition, the explanation of the invention described above embodiment only is used for illustration, is not intended to restriction by appended claims and the determined the present invention of its equivalence declaration.
Claims (31)
1. device to apply correction to braking force that is used for bicycle, it is contained in the middle part of brake wirerope, is used to regulate the braking force corresponding to cable wire stroke in the brake wirerope, and above-mentioned device to apply correction to braking force comprises:
Tube portion with first end and the second end, longitudinal axis extends between this first and second end;
First stop portions with first wirerope hole, this stop portions are connected in the above-mentioned first end of aforementioned tube part movably, so that can move axially along predetermined control apparatus stroke in the aforementioned tube part;
Second stop portions has the second wirerope hole, is connected in the above-mentioned the second end of aforementioned tube part;
Biasing member is contained in the aforementioned tube part, between above-mentioned first and second stop portions, is subjected to preestablishing the effect of compressive force and is under the state of prestrain; And
Regulate parts, it heads on above-mentioned biasing member, thereby can change the above-mentioned above-mentioned predetermined adjustment device stroke that preestablishes compressive force and don't change above-mentioned first stop portions of above-mentioned biasing member;
This device to apply correction to braking force is installed between first housing parts and second housing parts of brake wirerope, and has the end of locating on described first and second stop portions.
2. device to apply correction to braking force as claimed in claim 1 is characterized in that, above-mentioned second stop portions is independent part, is fitted in the second end of aforementioned tube part.
3. device to apply correction to braking force as claimed in claim 1 is characterized in that, above-mentioned second stop portions is independent parts, uses adhesive in the aforementioned tube part.
4. device to apply correction to braking force as claimed in claim 1 is characterized in that, above-mentioned adjusting parts comprise nut, and this nut meshes a stop portions in above-mentioned first and second stop portions.
5. device to apply correction to braking force as claimed in claim 4 is characterized in that, above-mentioned nut meshes above-mentioned first stop portions.
6. device to apply correction to braking force as claimed in claim 1 is characterized in that, above-mentioned adjusting parts are connected in above-mentioned first stop portions adjustablely, so that play motion with one.
7. device to apply correction to braking force as claimed in claim 1 is characterized in that, aforementioned tube partly comprises and is used for observing the window of above-mentioned adjusting parts at aforementioned tube part relative position.
8. device to apply correction to braking force as claimed in claim 1 is characterized in that, above-mentioned biasing member preset compressive force between 7～14 kgfs.
9. device to apply correction to braking force as claimed in claim 1 is characterized in that, can regulate above-mentioned adjusting parts continuously, so that change the above-mentioned compressive force that preestablishes of biasing member between low elastic force position and high-tension position.
10. device to apply correction to braking force as claimed in claim 9 is characterized in that, the above-mentioned compressive force that preestablishes of above-mentioned biasing member applies about 7 kilograms power in above-mentioned low elastic force position.
11. device to apply correction to braking force as claimed in claim 10 is characterized in that, the above-mentioned compressive force that preestablishes of above-mentioned biasing member applies about 14 kilograms power in above-mentioned high-tension position.
12. device to apply correction to braking force as claimed in claim 9 is characterized in that, the above-mentioned compressive force that preestablishes of above-mentioned biasing member applies about 14 kilograms power in above-mentioned high-tension position.
13. device to apply correction to braking force as claimed in claim 9 is characterized in that, the above-mentioned adjusting parts of scalable make above-mentioned biasing member be compressed to latched position, and in this latched position, above-mentioned first stop portions is in fact stiff.
14. device to apply correction to braking force as claimed in claim 1 is characterized in that, the above-mentioned compression member of scalable makes above-mentioned biasing member be compressed to latched position, and in this latched position, above-mentioned first stop portions is in fact stiff.
15. device to apply correction to braking force as claimed in claim 1 is characterized in that, the above-mentioned second wirerope hole of above-mentioned second stop portions has: first cylindrical portions may, its diameter are a bit larger tham the overall diameter of cable wire in the brake wirerope; Second cylindrical portions may, its diameter is a bit larger tham the overall diameter of brake wirerope first housing parts, supporting member is formed between above-mentioned first and second cylindrical portions may in the above-mentioned second wirerope hole of above-mentioned second stop portions, is used to support the end of first housing parts of brake wirerope.
16. device to apply correction to braking force as claimed in claim 1 is characterized in that, the above-mentioned first wirerope hole of above-mentioned first stop portions has: first cylindrical portions may, its diameter are a bit larger tham the overall diameter of cable wire in the brake wirerope; Second cylindrical portions may, its diameter are a bit larger tham the overall diameter of brake wirerope first housing parts; Supporting member is formed between first and second cylindrical portions may in the above-mentioned first wirerope hole of above-mentioned first stop portions, is used to support the end of first housing parts of brake wirerope.
17. device to apply correction to braking force as claimed in claim 16 is characterized in that, the above-mentioned second wirerope hole of above-mentioned second stop portions has: first cylindrical portions may, its diameter are a bit larger tham the overall diameter of cable wire in the brake wirerope; Second cylindrical portions may, its diameter are a bit larger tham the overall diameter of brake wirerope second housing parts; Supporting member is formed between first and second cylindrical portions may in the second wirerope hole of above-mentioned second stop portions, is used to support the end of brake wirerope second housing parts.
18. device to apply correction to braking force as claimed in claim 1 is characterized in that, above-mentioned first stop portions comprises the outside part of regulating, and this part is stretched out from the opening on the first end of aforementioned tube part.
19. device to apply correction to braking force as claimed in claim 18 is characterized in that, above-mentioned first stop portions comprises annular flange, and the overall diameter of this flange is less than the interior diameter of aforementioned tube part, but greater than the above-mentioned opening of above-mentioned first end of aforementioned tube part.
20. device to apply correction to braking force as claimed in claim 19 is characterized in that, above-mentioned first stop portions comprises the interior part that flexibly connects above-mentioned adjusting parts on it.
21. device to apply correction to braking force as claimed in claim 18 is characterized in that, aforementioned tube partly comprises the window that is used to watch the relative position of above-mentioned adjusting parts in the aforementioned tube part.
22. device to apply correction to braking force as claimed in claim 21 is characterized in that, above-mentioned adjusting parts have the tongue piece of at least one engagement window, and this tongue piece is used to prevent relatively rotating between the above-mentioned adjusting parts of aforementioned tube partial sum.
23. device to apply correction to braking force as claimed in claim 1 is characterized in that, the aforementioned tube part is done with aluminum.
24. described device to apply correction to braking force as claimed in claim 1 is characterized in that, the aforementioned tube part is made of resin.
25. device to apply correction to braking force as claimed in claim 24 is characterized in that, aforementioned tube partly comprises transparent part.
26. device to apply correction to braking force as claimed in claim 25 is characterized in that, aforementioned tube partly comprises and is used to represent the above-mentioned mark that preestablishes the desired location of pressure.
27. device to apply correction to braking force as claimed in claim 1 is characterized in that, above-mentioned biasing member is a helical spring.
28. device to apply correction to braking force as claimed in claim 1 is characterized in that, the lid that is covered on the part of aforementioned tube at least can prevent foul.
29. device to apply correction to braking force as claimed in claim 28 is characterized in that, above-mentioned lid is that resin is done.
30. device to apply correction to braking force as claimed in claim 28 is characterized in that, above-mentioned lid is transparent.
31. device to apply correction to braking force as claimed in claim 1 is characterized in that, aforementioned tube partly comprises the end pieces that wherein is provided with a hole, and this above-mentioned end pieces is independent parts, and it is fixedly connected on the above-mentioned first end of aforementioned tube part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/335533 | 1999-06-18 | ||
| US09/335,533 US6152266A (en) | 1999-03-05 | 1999-06-18 | Braking power modulator for a bicycle |
| US09/335,533 | 1999-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1278500A CN1278500A (en) | 2001-01-03 |
| CN1170722C true CN1170722C (en) | 2004-10-13 |
Family
ID=23312175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001186205A Expired - Fee Related CN1170722C (en) | 1999-06-18 | 2000-06-16 | Braking-force regulation device for bicycle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1170722C (en) |
| TW (1) | TW586504U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050187B (en) * | 2009-11-11 | 2013-02-20 | 洪铭泽 | Braking device and its braking system |
| CN106926964B (en) * | 2015-12-31 | 2019-11-01 | 谢文正 | Safety brake device |
-
2000
- 2000-05-18 TW TW91213088U patent/TW586504U/en not_active IP Right Cessation
- 2000-06-16 CN CNB001186205A patent/CN1170722C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1278500A (en) | 2001-01-03 |
| TW586504U (en) | 2004-05-01 |
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