CN1656967A - Walking stick and mechanism for regulating length - Google Patents
Walking stick and mechanism for regulating length Download PDFInfo
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- CN1656967A CN1656967A CN 200410085890 CN200410085890A CN1656967A CN 1656967 A CN1656967 A CN 1656967A CN 200410085890 CN200410085890 CN 200410085890 CN 200410085890 A CN200410085890 A CN 200410085890A CN 1656967 A CN1656967 A CN 1656967A
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- housing
- bar portion
- walking stick
- hole
- length adjustment
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Abstract
The invention provides a walling stick (1), comprising a handle (2), an axis connected with the handle (2) and a length adjustment mechanism (6) for adjusting the length of the axis. The length adjustment mechanism (6) is composed of a tubular shell (12) of female thread part formed at the inner surface; a lever (7) with male thread part inserted into the shell (12) and joined with the female thread part. The rotation of the thread mechanism stops by connecting the locating pin eminently installed on the side surface of the lever (7) and the locating hole (15) formed on the sidewall of the shell (12).
Description
Technical field
The present invention relates to walking stick and length adjustment mechanism, the length adjustment mechanism that especially relates to mountain-climbing, treks travelling and employed walking sticks such as daily life and the total length of above-mentioned walking stick and other utensils is regulated.
Background technology
Many axles etc. are being made up, when making telescopic rod member,, mainly using 2 kinds of methods in the past as the method for its length adjustment.A kind of method is called slidingtype, and another kind of method is such as being the pawl type that is called shown in No. 3050226 communiques of Japan's login utility model.
But there is following problem in above-mentioned length adjustment mechanism.
Slidingtype is by the twisting axle, the structure that the friction of utilization axle inwall is fixed a plurality of position, but as the small and weak words of power of twisting axle, just can not get enough constant intensities, on the contrary, if the power of twisting axle is too strong, then a plurality of position is fixed and can't carries out length adjustment once more sometimes.
In addition, pawl type is on an a part of axle hole to be set, and embeds in the above-mentioned hole and positions by being installed in pin on other, can obtain enough constant intensities on the structure.But, can cause the undercapacity of axle, so can not offer many holes, there is the big at interval problem of length adjustment.In addition, because of offer the hole on axle, so be difficult to adopt the materials such as FRP of easy breakage, existence can't realize light-weighted problem.
Summary of the invention
In view of this, the object of the present invention is to provide and a kind ofly can carry out multistage length adjustment with less interval, after length adjustment, can obtain enough constant intensities the comparison light weight length adjustment mechanism and have the walking stick of this length adjustment mechanism.
Walking stick of the present invention has: handle portion, the axial region that is connected with handle portion, to the length adjustment mechanism that the length of axial region is regulated, length adjustment mechanism has thread mechanism and makes the rotation shut-down mechanism that assigned position stops that being rotated in of this thread mechanism.
Thus, can obtain having with less interval and carry out multistage length adjustment, after length adjustment, can obtain the walking stick of length adjustment mechanism of the comparison light weight of enough constant intensities.
Length adjustment mechanism, such as, have: the housing that on inner peripheral surface, forms the tubular of negative thread; Comprise the bar portion of the outer screw section that inserts in the housing, screws togather with negative thread portion, thread mechanism is made of outer screw section and negative thread portion.The rotation shut-down mechanism comprises: a plurality of hole portion that forms along the axially-aligned ground of this housing in the side of housing; But can from bar portion outstanding with engage with hole portion, on the other hand along with bar portion with respect to the rotation of housing towards the inner peripheral surface of housing push, the locking component of folding and unfolding in bar portion then.
Adopt this structure, can obtain above-mentioned thread mechanism and rotation shut-down mechanism with simple structure.
Be preferably in the bar portion elastic component that locking component is carried out the application of force can be set.
Thus, can obtain with simple structure giving prominence to/locking component of folding and unfolding.
Also can on the housing side with the not relative position of a plurality of bore portions on form a plurality of other hole portions, the edge is provided with through hole so that this bar portion connects with the direction of the axial quadrature of bar portion, elastic component is arranged in the through hole, in the both sides of this elastic component locking component is set.
By this structure, can 2 holding sections be set at place, 1 location.Its result can improve the function of rotating shut-down mechanism.
The front periphery portion of locking component preferably is made of curved surface.
Thus, make locking component can give prominence to the transformation of state/folding and unfolding state sleekly.
Bar portion has the leading section that is provided with locking component, and housing preferably has fastener, by the leading section card of bar portion is ended, can prevent that leading section from extracting from housing.
Thus, the leading section that can suppress to be provided with locking component comes off from housing.
Locking component forms a plurality of along the axially-aligned of housing ground, a plurality of hole portion also can equally spaced form, so that the interval of these a plurality of locking components equates with the interval of a plurality of hole portion.
Adopt this structure, also can 2 holding sections be set at place, 1 location.Its result can improve the function of rotating shut-down mechanism.
Length adjustment mechanism of the present invention has: the housing that forms the tubular of negative thread portion on inner peripheral surface; The bar portion that comprises the outer screw section that inserts in the housing, screws togather with negative thread portion, the a plurality of hole portion that forms on the axially-aligned of this housing of the upper edge, side of housing ground, bar portion has locking component, but its can give prominence to engage with hole portion, on the other hand along with bar portion with respect to the rotation of housing towards the inner peripheral surface of housing push, then folding and unfolding in bar portion.
Thus, can obtain carrying out multistage length adjustment, after length adjustment, can obtain the length adjustment mechanism of the comparison light weight of enough constant intensities with less interval.
Adopt the present invention, as mentioned above, can obtain a kind ofly carrying out multistage length adjustment with less interval, after length adjustment, can obtain enough constant intensities the comparison light weight length adjustment mechanism and have the walking stick of this length adjustment mechanism.
Description of drawings
Fig. 1 is the side view of the walking stick of expression embodiments of the invention 1.
Fig. 2 is the enlarged side view that on every side amplify expression of expression with the length adjustment mechanism of the walking stick of embodiments of the invention 1.
Fig. 3 A～Fig. 3 D is the part drawing of bar of length adjustment mechanism of the walking stick of expression embodiments of the invention 1, and Fig. 3 A, Fig. 3 B are side views, and Fig. 3 C, Fig. 3 D are respectively vertical view, upward view.
Fig. 4 A～Fig. 4 C is the part drawing of housing of length adjustment mechanism of the walking stick of expression embodiments of the invention 1, and Fig. 4 A is a side view, and Fig. 4 B is a sectional view, and Fig. 4 C is a upward view.
Fig. 5 is the stereogram that the location key seat of the bar shown in Fig. 3 A～Fig. 3 D is amplified expression on every side.
Fig. 6 A～Fig. 6 C is expression to being arranged on the figure of variation that alignment pin on the location key seat carries out the mechanism of the application of force.
Fig. 7 A～Fig. 7 B is the sectional view of length adjustment mechanism of the walking stick of expression embodiments of the invention 2, and Fig. 7 A represents the state that length is the shortest, and Fig. 7 B is the longest state of length.
Fig. 8 is the sectional view of length adjustment mechanism of the walking stick of expression embodiments of the invention 3.
The specific embodiment
Below, the example of walking stick according to the present invention and length adjustment mechanism is described.
The walking stick of present embodiment has: handle portion, the axial region that is connected with handle portion, the length adjustment mechanism that the length of axial region is regulated.Length adjustment mechanism has thread mechanism and makes the rotation shut-down mechanism that assigned position stops that being rotated in of this thread mechanism.
Here, length adjustment mechanism has: the housing that forms the tubular of negative thread on inner peripheral surface; The bar portion that comprises the outer screw section that inserts in the housing, screws togather with negative thread portion.The thread mechanism that is used for length adjustment is made of outer screw section that forms in the bar portion and the negative thread portion that forms on housing.
The shape of handle portion and material can suitably change.Such as, for the shape of handle portion, can consider T shape, I shape etc.
Axial region is typically and comprises many axles, is built-in with above-mentioned length adjustment mechanism in 1 in these many axles.But, length adjustment mechanism also can be exposed to the outside of axle.
As the material of the axle that constitutes axial region, such as, titanium alloy, aluminium alloy and FRP (especially CFRP (Carbon Fiber Reinforced Plastics)) etc. can be used.By using these materials, can obtain suitable intensity and weight (needing light weight to a certain extent) as the axle of walking stick.The external diameter and the wall thickness that are used to realize the axle of above-mentioned intensity and weight can suitably change according to material, such as, using the occasion of CFRP, external diameter is that 16mm is above, the following degree of 20mm, wall thickness is the above degree of 1mm.
Housing and bar portion for constituting length adjustment mechanism stand the shear strength of thread mechanism, reusable mar proof and lightweight because of need and require low-gravity.In order to satisfy above-mentioned requirements, preferably use engineering plastics such as nylon, polyacetals, titanium alloy, aluminium alloy etc.
The a plurality of hole portion that forms along the axially-aligned ground of this housing in the side of housing.This a plurality of hole portion constitutes the rotation shut-down mechanism that assigned position stops that being rotated in that makes thread mechanism.
Bar portion comprises: the location key seat (leading section) of the alignment pin of form above-mentioned outer screw section, chatting after being provided with; The connecting portion that the axle adjacent with length adjustment mechanism is connected; The pitman that connects location key seat and connecting portion.But, also can omit pitman, location key seat directly is connected with connecting portion.
In the location key seat of bar portion, be provided with and constitute the alignment pin (locking component) that is rotated in the rotation shut-down mechanism that assigned position stops to make thread mechanism.Alignment pin is arranged to outstanding from the side of bar portion, and outstanding alignment pin stops the rotation of thread mechanism by engaging with hole portion that the side of housing forms.The hole portion that forms in the housing side forms a plurality of in the axially-aligned of this housing, so the hole portion that is engaged by selecting alignment pin aptly just can regulate the length of walking stick.
In bar portion, be provided with elastic component to the alignment pin application of force.Therefore, alignment pin, can from bar portion outstanding with engage with the hole portion of housing side, on the other hand along with bar portion with respect to the rotation (that is the rotation of thread mechanism) of housing but towards the inner peripheral surface of housing push, then folding and unfolding in bar portion.
As elastic component, be typically the use helical spring, but also can use rubber and butterfly spring etc.
The front periphery portion of alignment pin is made of the curved surface that has convex form in front.Thus, alignment pin can be given prominence to the transformation of state/folding and unfolding state sleekly along with the rotation of thread mechanism.Above-mentioned curved surface typically has spherical shape, but also such as parabolic shape etc.
In this structure, engage with the hole portion of housing side by alignment pin, make the spin locking of thread mechanism, but by applying stronger revolving force, the alignment pin folding and unfolding that is subjected to pushing towards the inner peripheral surface of housing is in bar portion, and the locking of rotation is disengaged.Therefore, position, can change length by the releasing of spin locking simultaneously by the locking of rotating.Here, the power (axial compression stress) of effect is mainly born by thread mechanism when using as walking stick, can not produce extremely big stress and concentrate around the portion of the hole of housing side.Therefore, can do the interval of hole portion less.Its result compares with traditional pawl type, can carry out length adjustment more multistagely.In addition, the scope that the material of housing is selected is wide, so such as by using FRP etc., can realize lightweight.And, by using thread mechanism, compare with traditional slidingtype, can obtain stronger constant intensity simply.
The a plurality of hole portion of housing side is typically to arrange on the axial linearity ground of housing and forms, but each hole portion also can be slightly to the circumferencial direction formation of staggering.
In this example,, on the position not relative, form a plurality of other hole portions with above-mentioned a plurality of bore portions as an example.This occasion on location key seat, is provided with through hole (receiving hole) so that this bar portion connects along the direction with the axial quadrature of bar portion.In this receiving hole, be provided with elastic component, be provided with alignment pin in the both sides of this elastic component.By this structure, also can 2 holding sections be set at place, 1 location.Its result can improve the function of rotating shut-down mechanism.
In this example, as other examples, locking component forms a plurality of on the axially-aligned of housing ground, and a plurality of hole portion equally spaced forms, so that the interval of these a plurality of locking components equates with the interval of a plurality of hole portion.By this structure, also can 2 holding sections be set at place, 1 location.Its result can improve the function of rotating shut-down mechanism.
Housing preferably has fastener, by the location key seat card of bar portion is ended, can prevent that location key seat from extracting from housing.Thus, can suppress location key seat and come off, prevent that alignment pin from falling from housing.
In this example, mainly " walking stick " with above-mentioned length adjustment mechanism is illustrated, but the utensil of suitable this length adjustment mechanism is not limited to " walking stick ", has just imagined this length adjustment mechanism applicable to other utensils at first.
[embodiment 1]
Fig. 1 is the side view of the walking stick 1 of expression embodiments of the invention 1.With reference to Fig. 1, the walking stick 1 of present embodiment has: handle portion 2; Many axles 3,4; Walking stick landing part 5 (end cover).Length adjustment mechanism 6 is built in the axle 3 of the upside that is connected with handle portion 2.
Fig. 2 is the enlarged side view that amplifies expression on every side of the length adjustment mechanism 6 of expression walking stick 1.But, among Fig. 2,, omitted the axle 3 of upside for the convenience that illustrates and illustrate.
With reference to Fig. 2, comprise the bar 7 of length adjustment mechanism 6, comprising: with axle 4 connecting portions that are connected 8 of downside; Location key seat 9; The pitman 11 that connecting portion 8 is connected with location key seat 9.Bar 7 inserts in the housing 12 and the screw thread combination.Here, form outer screw section, on the inner peripheral surface of housing 12, form negative thread portion in the side of location key seat 9.In addition, by handle portion 2 be connected with housing upper end 13 sides, axle 4 is connected (bonding) with housing bottom 14 sides, thereby formation walking stick 1.Be provided with a plurality of locating holes 15 in the side of housing 12, engage with this locating hole 15, the rotation of screw thread is stopped, can positioning by the alignment pin that is arranged on the location key seat 9.
Fig. 3 A～Fig. 3 D is the part drawing of the bar 7 of expression length adjustment mechanism 6.Fig. 3 A, Fig. 3 B are the side views of bar 7, and Fig. 3 C, Fig. 3 D are respectively vertical view, the upward views of bar 7.Here, location key seat 9 and pitman 11 are from initial just integrally formed by machining.Connecting portion 8 splits form, and after location key seat 9 and pitman 11 insert in the housings 12, are installed on the pitman 11.On location key seat 9, be provided with the outer screw section and the receiving hole 10 (through hole) of accepting alignment pin of M10.In addition, the external diameter of pitman 11 is littler than the external diameter of location key seat 9, is about 7mm.
Fig. 4 A～Fig. 4 C is the part drawing of the housing 12 of expression length adjustment mechanism 6.Fig. 4 A is the side view of housing 12, and Fig. 4 B is the sectional view of housing 12, and Fig. 4 C is the upward view of housing 12.Here, the external diameter of housing 12 is about 15.9mm.Thus, housing 12 can insert internal diameter be about 16mm the axle 3 in.The external diameter of housing upper end 13 is about 18mm, and this part is blocked in the upper end of axle 3 ends.Be formed with the handle insertion section 12A that inserts handle portion 2 in housing upper end 13 sides.On the 12A of handle insertion section, do not form negative thread.Be provided with the 12B of negative thread portion of M10 in the housing bottom of handle insertion section 12A 14 sides.(15A 15B) axially forms 6 with being spaced of 10mm at this housing 12 to the one group of locating hole 15 that relatively is provided with respectively on the side of the housing 12 of the 12B of negative thread portion.In addition, the diameter of locating hole 15A, 15B is about 3mm.On housing bottom 14, be provided with the hole 12C that be about 8mm diameter bigger than the external diameter of pitman 11.Thus, pitman 11 can slide sleekly.
Fig. 5 is the stereogram that the location key seat 9 of bar 7 is amplified expression on every side.When reality forms length adjustment mechanism 6, at first, make location key seat 9 and pitman 11 integrally formed after, as shown in Figure 5, spring 16 and alignment pin 17 are configured in the receiving hole 10 that is arranged on the location key seat 9.Then, bar 7 screwed in up to pitman 11 in housing 12 from housing upper end 13 be positioned at housing bottom 14 sides, pitman 11 is exposed from housing bottom 14.The pitman 11 and the connecting portion 8 that will expose are undertaken integrated by soldering, screw-in, welding etc.Thus, can obtain length adjustment mechanism 6.
Adopt said structure, engage with locating hole 15 by alignment pin 17 as the application of force of the spring 16 of elastic component, make the rotation of screw thread obtain locking, but after this, by applying stronger revolving force, in the receiving hole 10 of bar 7, the locking of rotation is disengaged the alignment pin of pushing towards the inner peripheral surface of housing 12 17 by folding and unfolding.The leading section of alignment pin 17 has curve form as shown in Figure 5.Thus, can position the transformation of the outstanding state/folding and unfolding state of pin 17 sleekly.
When reality is regulated the length of walking stick 1, with a hand handle portion 2 or axle 3 are fixed, with another hand-screw rotating shaft 4 (or also can on the contrary).Because the housing 12 of length adjustment mechanism 6 is fixed on handle portion 2 and the axle 3, bar 7 is fixed on the axle 4, so by above-mentioned rotation, double thread mechanism applies rotation, the length of walking stick 1 changes.
Fig. 6 A～Fig. 6 C is the mechanism of the application of force is carried out in expression to alignment pin 17 the figure of variation.With reference to Fig. 6 A, Fig. 6 B, both can use butterfly spring 16A to replace helical spring as elastic component, also can use rubber 16B.In addition, in the example of Fig. 2～shown in Figure 5, the receiving hole 10 of accepting alignment pin 17 is through hole, but shown in Fig. 6 C, recess 10A also can be set on location key seat 9 replace receiving hole 10, and the structure of spring 16 and alignment pin 17 is set in this recess 10A.
In the present embodiment, used coefficient of elasticity to be about the elastic component of 4.5N/mm.Can suitably change for this coefficient of elasticity.
[embodiment 2]
Fig. 7 A, Fig. 7 B are the sectional views of length adjustment mechanism 6 of the walking stick of expression embodiment 2.Fig. 7 A represents the state that length is the shortest, and Fig. 7 B is the longest state of length.In addition, among Fig. 7 A, Fig. 7 B, omitted the diagram of spring 16 and spring 17.
The walking stick of present embodiment is the variation of the walking stick 1 of embodiment 1, has the structure identical with the walking stick 1 of embodiment 1 basically.In the present embodiment, no longer repeat detailed explanation for the item identical with embodiment 1.
With reference to Fig. 7 A, Fig. 7 B, in the present embodiment, be provided with fastener 14A in housing bottom 14.Fastener 14A blocks by the location key seat 9 to bar 7 and ends, and can prevent that location key seat 9 from extracting from housing 12.
Among the embodiment 1, as thread mechanism is excessively rotated, then alignment pin 17 exposes towards the outside, but location key seat 9 such small parts are provided with associate member, can cause the member cost to rise, and the weight increase, might not be very wise move so the anti-locking mechanism of falling of alignment pin 17 is set on location key seat 9.
On the other hand, in the present embodiment, by fastener 14A is set on housing 12, the location key seat 9 of length adjustment mechanism 6 can not stretch out to the outside of housing 12, there is no need to be provided with on location key seat 9 the anti-locking mechanism of falling of alignment pin 17.Therefore, can suppress cost and rise, can suppress falling of alignment pin 17 again.
[embodiment 3]
Fig. 8 is the sectional view of length adjustment mechanism 6 of the walking stick of expression embodiments of the invention 3.Among Fig. 8, omitted the diagram of spring 16 and spring 17.
The walking stick of present embodiment is the variation of the walking stick 1 of embodiment 1,2, has the structure identical with the walking stick 1 of embodiment 1,2 basically.In the present embodiment, no longer repeat detailed explanation for the item identical with embodiment 1,2.
With reference to Fig. 8, in the present embodiment, the recess 10A that is provided with alignment pin forms a plurality of on the axially-aligned ground of housing 12.In addition, arrange ground at one-sided (upside among Fig. 8) row of the side of housing 12 and form equally spaced locating hole 15.Here, the interval that is arranged on the alignment pin in each recess 10A equates with the interval of locating hole 15.
More than example of the present invention and embodiment are illustrated, and from carrying out appropriate combination with regard to the characteristic of having imagined above-mentioned example and embodiment originally.
Claims (8)
1. a walking stick is characterized in that,
The length adjustment mechanism that has handle portion, the axial region that is connected with described handle portion, the length of described axial region is regulated,
Described length adjustment mechanism has thread mechanism and makes the rotation shut-down mechanism that assigned position stops that being rotated in of this thread mechanism.
2. walking stick as claimed in claim 1 is characterized in that,
Described length adjustment mechanism has: the housing that forms the tubular of negative thread portion on inner peripheral surface; The bar portion that comprises the outer screw section that inserts in the described housing, screws togather with described negative thread portion,
Described thread mechanism is made of described outer screw section and described negative thread portion,
Described rotation shut-down mechanism comprises: a plurality of hole portion that forms on the axially-aligned of this housing of the upper edge, side of described housing ground; But can from described bar portion outstanding with engage with described hole portion, on the other hand along with described bar portion with respect to the rotation of described housing, quilt towards the inner peripheral surface of described housing pushed, the locking component of folding and unfolding in described bar portion then.
3. walking stick as claimed in claim 2 is characterized in that, the elastic component to the described locking component application of force can be set in described bar portion.
4. walking stick as claimed in claim 3, it is characterized in that, can described housing side with the not relative position of a plurality of bore portions on form a plurality of other hole portions, through hole is set so that this bar portion connects along direction with the axial quadrature of described bar portion, described elastic component is arranged in the described through hole, in the both sides of this elastic component described locking component is set.
5. walking stick as claimed in claim 2 is characterized in that, the front periphery portion of described locking component is made of curved surface.
6. walking stick as claimed in claim 2 is characterized in that, described bar portion has the leading section that is provided with described locking component, and described housing has fastener, ends by the leading section card with described bar portion, can prevent that described leading section from extracting from described housing.
7. walking stick as claimed in claim 2 is characterized in that, described locking component forms a plurality of along the axially-aligned of described housing ground, and described a plurality of hole portion equally spaced forms, and the interval of described a plurality of locking components equates with the interval of described a plurality of hole portion.
8. a length adjustment mechanism is characterized in that,
Have: the housing that on inner peripheral surface, forms the tubular of negative thread portion; The bar portion that comprises the outer screw section that inserts in the described housing, screws togather with described negative thread portion,
In a plurality of hole of formation, axially-aligned ground of this housing of the upper edge, side of described housing portion,
Described bar portion has locking component, but this locking component can give prominence to engage with described hole portion, on the other hand along with described bar portion with respect to the rotation of described housing, pushed towards the inner peripheral surface of housing, then folding and unfolding in described bar portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004043615A JP2005230287A (en) | 2004-02-19 | 2004-02-19 | Length adjustment mechanism and walking stick having length adjustment mechanism attached |
| JP2004043615 | 2004-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1656967A true CN1656967A (en) | 2005-08-24 |
Family
ID=35006828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410085890 Pending CN1656967A (en) | 2004-02-19 | 2004-11-05 | Walking stick and mechanism for regulating length |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005230287A (en) |
| CN (1) | CN1656967A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102713107A (en) * | 2009-12-14 | 2012-10-03 | Peri有限公司 | Telescopic support for the construction industry |
| CN107973240A (en) * | 2016-05-30 | 2018-05-01 | 衢州市易凡设计有限公司 | A kind of telescopic supporting rod of permanent quick supporting heavy |
| CN108354286A (en) * | 2018-03-19 | 2018-08-03 | 烟台市帅恒机械科技有限公司 | A kind of firm mountain climbing crutch of adjustable length |
| CN110405406A (en) * | 2019-08-26 | 2019-11-05 | 格力电器（石家庄）有限公司 | Pipeline adjusting and positioning device and method |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4748612B2 (en) * | 2008-10-21 | 2011-08-17 | 株式会社ツバキエマソン | External cylinder mounting structure |
| CN103967895B (en) * | 2014-05-14 | 2016-03-30 | 十堰融丰汽车专用件有限公司 | Flexible rod safety installations |
| CN107973243A (en) * | 2016-05-30 | 2018-05-01 | 衢州市易凡设计有限公司 | A kind of telescopic supporting rod of the quick supporting heavy of semipermanent self-locking |
| CN108217508A (en) * | 2016-05-30 | 2018-06-29 | 衢州市易凡设计有限公司 | A kind of supporting rod of the supporting heavy of the quick-expansion of permanent self-locking |
| KR102059387B1 (en) * | 2019-05-16 | 2019-12-26 | 주식회사 아이펙 | Police stick |
-
2004
- 2004-02-19 JP JP2004043615A patent/JP2005230287A/en active Pending
- 2004-11-05 CN CN 200410085890 patent/CN1656967A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102713107A (en) * | 2009-12-14 | 2012-10-03 | Peri有限公司 | Telescopic support for the construction industry |
| CN107973240A (en) * | 2016-05-30 | 2018-05-01 | 衢州市易凡设计有限公司 | A kind of telescopic supporting rod of permanent quick supporting heavy |
| CN108354286A (en) * | 2018-03-19 | 2018-08-03 | 烟台市帅恒机械科技有限公司 | A kind of firm mountain climbing crutch of adjustable length |
| CN110405406A (en) * | 2019-08-26 | 2019-11-05 | 格力电器（石家庄）有限公司 | Pipeline adjusting and positioning device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005230287A (en) | 2005-09-02 |
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