CN1052059C - Speed changing operating mechanism in static oil pressure endless gearing device - Google Patents
Speed changing operating mechanism in static oil pressure endless gearing device Download PDFInfo
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- CN1052059C CN1052059C CN94113716A CN94113716A CN1052059C CN 1052059 C CN1052059 C CN 1052059C CN 94113716 A CN94113716 A CN 94113716A CN 94113716 A CN94113716 A CN 94113716A CN 1052059 C CN1052059 C CN 1052059C
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- variable speed
- speed operation
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- spare
- location means
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Abstract
To reduce operating physical force at the time of speed change operation and to hold a certain position at a speed change operational position by making a speed change operational position holding means possible to be switched over to be in a holding condition and a releasing condition and providing a release operational means to switch this holding means to be in a releasing condition on a grip part of a speed change operational tool. On an installation plate 11 fixed on a machine body, a support shaft 12 is erectly provided, on a rotary operation plate 13 with this support shaft freely fit on it, a grip handle 14 is fastened, and simultaneously, on one end of the rotary operation plate 13, a connecting tool to an HST15 is installed. Additionally, on the rotary operation plate 13, a friction mechanism 16 with plate springs accumulated on it is provided, and simultaneously, between the rotary operation plate 13 and the installation plate 11, an electromagnetic speed change operational position holding means 17 is provided. This holding means 17, by pulling the rotary operation plate 13 to the fixed side of the installation plate 11 by electrifying a coil, fixes and holds rotation of the rotary operation plate 13. On the grip holder 14, an operation switch 21 (release operation means) is provided, and by shutting off electrification of the coil by operation of this operation switch 21, the holding condition of the holding means 17 is released.
Description
The present invention relates to a kind of speed changing operating mechanism, it is used in and is provided with and can plays in the static oil pressure endless gearing device (Hydrostatictransmission) of the variable speed operation that transmits the effect of recurrence power to neutral position, and the variable speed operation spare of this mechanism is connected with above-mentioned variable speed operation axle.This speed changing operating mechanism is specially adapted to Working vehicles such as tractor and combine-harvester.
The device of maintenance variable speed operation position in the past, for example as Japan Patent disclose flat 4-175562 number disclosed, at the shaft core position that shakes of the variable speed operation spare of static oil pressure endless gearing device the multi-disc the friction type mechanism that variable speed operation spare is worked is being set.Wherein wearing piece (10) is configured to clamping and shaking carriage (5), promptly limiting operating stem (3) and freely move of being connected with operating stem (3).Be that wearing piece (10) and belleville spring (11) play a part to keep shift lever operating position.
This structure can maintain the variable speed operation position of speed change lever with the friction that this holding device produces really, but when variable speed operation spare is operated on new variable speed operation position, because the effect of above-mentioned friction, this becomes very with regard to the operation that makes variable speed operation spare and entails much effort.This is that to leave neutral position more big more because the recurrence power to neutral position of static oil pressure endless gearing device is the position of speed change lever, and this just requires the friction of position holding device to need bigger than above-mentioned maximum recurrence power at least.That is, where no matter speed change lever is gone up if being in, and moves in order to make above-mentioned speed change lever, must apply the power of the friction confining force that surpasses the above-mentioned holding position device of setting maximum recurrence power for, and this just causes can not operate speed change lever trippingly.
The objective of the invention is to improve the speed changing operating mechanism that static oil pressure endless gearing device as described above is used, a kind of steering force can alleviate variable speed operation the time is provided, can carry out brisk variable speed operation, again the mechanism that can positively maintain the variable speed operation position.
To achieve these goals, a kind of speed changing operating mechanism of the present invention, it is to use the variable speed operation spare operation that links to each other with the variable speed operation axle to be provided with the static oil pressure endless gearing device that returns the variable speed operation axle of power effect to neutral position, be provided with above-mentioned variable speed operation spare is being remained on the locational maintenance variable speed operation of variable speed operation location means arbitrarily, it is characterized in that, this keeps variable speed operation location means is and to open between the non-active state of above-mentioned variable speed operation spare conversion selectively at the active state that keeps above-mentioned variable speed operation spare, under the active state of above-mentioned maintenance variable speed operation location means, above-mentioned variable speed operation spare is by being pressed on the supporting plate, make it to remain on the stepless above-mentioned variable speed operation arbitrarily position, under the non-active state of above-mentioned maintenance variable speed operation location means, releasing acts on above-mentioned the pushing on the above-mentioned variable speed operation spare, and the conversion equipment that can convert above-mentioned maintenance variable speed operation location means to non-active state is being set.
Just can be as required with above-mentioned structure, for example when making variable speed operation spare mobile again, freely remove on the variable speed operation position that variable speed operation spare is remained on setting and be added to confining force on the variable speed operation spare.Thus, the operation of speed change workpiece just can be more brisk.And work as the variable speed operation position holding device and do the time spent, can positively maintain variable speed operation spare with strong confining force.
If in best enforcement of the present invention, the conversion equipment of above-mentioned maintenance variable speed operation location means is arranged on the handle of variable speed operation spare, when operator use handling variable speed operation spare, also can carry out conversion operations to keeping the variable speed operation location means, this has just improved its operating characteristics.
The speed changing operating mechanism of an alternative embodiment of the invention is being provided with detection device, it can detect above-mentioned variable speed operation spare and whether be in the change serviceability, whether above-mentioned variable speed operation spare remains static in the shift position of stipulating, when above-mentioned detection device detected above-mentioned variable speed operation spare variable speed operation state, above-mentioned conversion equipment can be keeping the variable speed operation location means to convert non-active state to.That is, when operation variable speed operation spare, detection device detects the variable speed operation state in this variable speed operation spare, and according to this testing result, conversion equipment is keeping the variable speed operation location means to convert non-active state to.Consequently on variable speed operation spare, eliminated the effect that keeps the confining force of variable speed operation location means.In this embodiment, because when variable speed operation spare is moved, can be by the work of detection device automatically the confining force disappearance that keeps the variable speed operation position, thereby can further improve the variable speed operation performance of speed changing operating mechanism.
In addition, in the occasion that speed changing operating mechanism of the present invention is installed on the working trucks such as tractor and combine-harvester, just can make this speed changing operating mechanism when the vehicle braked device moves, maintenance variable speed operation location means be converted to non-active state by above-mentioned conversion equipment.With such structure, when variable speed operation spare is maintained on certain variable speed operation position, detection device-detect the braking maneuver state of braking device, conversion equipment is just keeping the variable speed operation location means to convert non-active state to.Like this, variable speed operation spare is not owing to kept the confining force of variable speed operation location means, thereby turns back to neutral position by static oil pressure endless gearing device to the effect of the recurrence power of neutral gear.For when break moves, the power with motor does not pass on the wheel, thereby need turn back to neutral state to the stepless change level of static oil pressure type speed change gear, but use this speed changing operating mechanism, because the structure of the answer neutral gear when brakeage is to have utilized the conversion equipment of removing the confining force that keeps the variable speed operation location means, thereby its structure is just simpler.
Other feature and advantage of speed changing operating mechanism of the present invention are by will be clear to embodiment's explanation with reference to accompanying drawing.
Fig. 1 is expression the 1st embodiment's a variable speed operation spare front elevation, (a) is to represent variable speed operation spare as being in the state of neutral position, (b) is the state that expression variable speed operation spare is in reverse gear position;
Fig. 2 is the profile of biopsy cavity marker devices of the variable speed operation spare of Fig. 1;
Fig. 3 is the electric loop figure of control electromagnetic coil;
Fig. 4 is the structural drawing of expression walking transmission system;
Fig. 5 is the front elevation of expression the 2nd embodiment's variable speed operation spare, (a) is the state that expression variable speed operation spare is in neutral position, (b) is the state that expression variable speed operation spare is in reverse gear position;
Fig. 6 is the biopsy cavity marker devices profile of variable speed operation spare shown in Figure 5;
Fig. 7 is the biopsy cavity marker devices profile of expression the 3rd embodiment's variable speed operation spare;
Fig. 8 is the electric loop figure of control electromagnetic coil;
The 1st embodiment
Fig. 4 has represented the structure in the gearbox 2 of operating vehicle's running gear of a combine-harvester, is delivered to the input belt pulley 5 of static oil pressure endless gearing device (Hydrotatic transmission) 15 by drivign belt 4 by the power of motor 3 outputs.The static pressure type stepless speed changes devices basically by by the power of motor and rotating oil pressure pump and the hydraulic motor that drives by the pressure oil of this oil pressure pump output, and the variable speed operation axle 15a that makes the swash plate angle of oil pressure pump change usefulness for the revolution that changes oil pressure pump and gyratory directions constitute.Execute in the example example at this, from the output shaft of hydraulic motor, promptly a part of power from output shaft 1 output of static oil pressure endless gearing device 15 is passed to harvesting part (not having expression the figure).Be passed to secondary secondary speed-changing device 6 from another part power of output shaft 1 output, by this secondary speed-changing device 6 by the 1st clutch 7 as the straight ahead transmission of power to traveling gear 8.In addition, the power that is delivered to the 2nd clutch 9 by secondary speed-changing device 6 is then shallowed turn power and is delivered to traveling gear as zig zag is gentle.Here, so-called zig zag is meant that the gyratory directions of the traveling gear in the traveling gear on right side and left side gets on the contrary, car body is turned hastily, the gyratory directions of the so-called traveling gear that is meant right side traveling gear and left side of slowly turning is identical, but their rotating speed has difference, and car body is turned.
The speed changing operating mechanism of above-mentioned static oil pressure endless gearing device 15 is made into can be with variable speed operation spare 10 artificially along advancing and the structure of the variable speed operation that laggard any one direction is carried out with arbitrary speed.Promptly, as shown in Figure 2, extend cantilever-shaped fulcrum 14 from the support 23 that constitutes body, simultaneously on this fulcrum 14, can embed the 2nd operation unit 13 that section is groove-like with moving about, in the groove of this 2nd operation unit 13, can support the 1st tabular operation unit 12 pivotally, it is to be connected with the arm 11 that forms operating stem, and the top of operating stem has handle.Constitute variable speed operation spare 10 by the 1st, the 2nd operation unit 12,13.On a forward side of the 2nd operation unit 13, belleville spring 24 is installed, makes on friction confining force effect the 2nd operation unit 13.The friction confining force that is formed by this belleville spring 24 is configured to very little, be not enough to fully variable speed operation spare 10 is held in shift position, only the operation room that provides variable speed operation spare to operation piece every.Purpose for the shift position that realizes maintaining variable speed operation spare 10, the maintenance variable speed operation location means 18 of electromagnetic type is set between 23 of the 2nd operation unit 13 and supports, this keeps variable speed operation location means 18 to be provided with electromagnetic coil 25, effect by electromagnetic type is pressed to support 23 with the 2nd operation unit 13, forms variable speed operation spare 10 is fixed on the shift position.The 1st operation unit 12 and the 2nd operation unit 13 can be associated in together to combined operation by connecting pin 19.Therefore, when making variable speed operation spare 10 march forward shelves and any direction of reverse gear when operating from neutral position, with it the 2nd operation unit 13 is rotated in linkage, and by variable speed operation to any position, being acted on simultaneously by the maintenance variable speed operation location means 18 of electromagnetic type, even at this moment hand leaves variable speed operation spare 10, still can remain on the position on any operating position.Maintenance variable speed operation location means 18 removes confining force by structure described later, promptly has to make the conversion equipment 100 that keeps variable speed operation location means 18 to be in non-active state.
Promptly, as depicted in figs. 1 and 2, above-mentioned connecting pin 19 and fulcrum 14 are fixed on the operation unit 13 with being integral abreast, simultaneously the inserting hole 22 that forms on the 1st operation unit 12 is kept being embedded in gap a little the outside of this pin 19, and on the periphery of this inserting hole 22, install the pressure sensitive switch SW of the contact action that can accept this connecting pin 19
1, SW
2
Below, the releasing structure to the hold mode of the maintenance variable speed operation location means 18 of electromagnetic type is described.By electromagnetic coil 25 energisings of giving the maintenance speed-changing operation device 18 that constitutes this electromagnetic type, the 2nd operation unit 13 is attracted on fixing support 23, the revolution of the 2nd operation unit 13 is fixedly maintained, simultaneously, give coil 25 energisings by cutting off, it is fixing that variable speed operation spare 10 is removed, and can carry out the rotating operation of variable speed operation spare 10 more trippingly.As shown in Figure 3, at the relay 21 that Normally closed type is being set in the loop 26 of coil 25 energisings, the logical of coil 25 controlled by state by it.This relay 21 called make the conversion equipment 100 that keeps variable speed operation location means 18 to be in hold mode and releasing state, also promptly between active state and non-active state, to change.Therefore, by connecting pin 19 and above-mentioned pressure sensitive switch SW
1Or SW
2Contact, pressure sensitive switch detects variable speed operation spare when action, relay 21 just is opened (being that electric current is cut off), keeps variable speed operation location means 18 to convert non-active state to thereby cut off to make to coil electricity.
With above-mentioned structure, in operation static oil pressure endless gearing device 15 occasions, make connecting pin 19 and switch SW earlier
1Or SW
2Contact, cut with relay 21 and break, keep variable speed operation location means 18 just to be in non-active state, just can variable speed operation spare 10 be moved to coil 25 energisings.
Among Fig. 1 and Fig. 2 30 is the pins that pin down that pin down to the variable speed operation of reverse gear state, joins with the stepped part of the guide plate 31 of guiding by pining down pin 30, and the mobile of variable speed operation spare 10 stopped.Should resemble and after removing this state, just can carry out this being pind down pin 30 to the variable speed operation of reverse gear state and be associated with the hand-held operation part 32 that is installed in 34 positions, grip part.
Below, the structure of removing the confining force that keeps variable speed operation location means 18 with the braking device combined operation of traveling gear 8 is described.As shown in Figure 3 and Figure 4, one end of the 1st clutch shaft in gearbox 2 is being provided with braking device 29, also be provided with and be used for detecting and the braking device 29 corresponding braking sensors 28 of braking the state of entering into of operation piece 27, simultaneously this braking sensor 28 and above-mentioned pressure sensitive switch SW as detection device
1, SW
2Parallel connection converts maintenance variable speed operation location means 18 to non-active state by relay 22 when this braking sensor 28 perceives the braking maneuver state.Keep variable speed operation location means 18 convert non-active state to, when electromagnetic coil 25 no longer includes function, the locational confining force that the 2nd operation unit 13 is remained on it that is produced by electromagnetic coil 25 just disappears, the result, neutral gear recurrence power by static oil pressure endless gearing device 15 makes variable speed operation service axis 15a revert to neutral position, and variable speed operation spare 10 also revert on the neutral position.
The 2nd embodiment
As Fig. 5, shown in Figure 6, this the 2nd embodiment is the same with the 1st embodiment, and tabular the 1st operation unit 12 on the 2nd operation unit 13 that forms by plate-like portion is connected with the base end part of tubular and the base end part that can be bearing in the 2nd operation unit 13 pivotally constitutes variable speed operation spare 10.
In this 2nd embodiment, also can be provided with the base end part of the 2nd operation unit 13 freely to rotate around a core, and can will support fulcrum 14 revolutions of these members to drive with the electric motor 16 of band reducing gear.Front end at above-mentioned fulcrum 14 is installed with fixedly supporting plate 17 in combination with spline, and the maintenance variable speed operation location means 18 of electromagnetic type is contained between the base end part of fixedly supporting plate 17 and the 2nd operation unit 13, with electromagnetic force the circular member 13A of the 2nd operation unit 13 is crimped on fixedly on the supporting plate 17, keeps the variable speed operation position thus.The 1st operation unit 12 and the 2nd operation unit 13 can be linked together to combined operation by connecting pin 19.Like this, when variable speed operation spare 10 when neutral position marches forward any one direction operation of shelves or reverse gear, as described above, electromagnetic force is not acted on, keep the confining force of variable speed operation position 18 to be disengaged, the 2nd operation unit 13 that is associated with preceding 1 operation unit 12 is turned round in linkage, and variable speed operation is to any position.When on any operating position, hand is separated from variable speed operation spare 10, when making variable speed operation spare 10 static, keeps the electromagnetic force of variable speed operation location means 18 to work, and variable speed operation spare 10 positions are maintained.The structure that keeps variable speed operation location means 18 and conversion equipment 100 all is the same with the 1st embodiment.
In this embodiment, no matter above-mentioned variable speed operation spare 10 is provided with the automatic the maneuver control device how operating position of variable speed operation spare 10 can both operate electric motor 16 automatically according to job status.Promptly make by the running that is provided with control of microcomputer device 20 control electric motors 16, the revolution detecting sensor S that detects its revolution is being set on above-mentioned motor 3
1, the speed of a motor vehicle detecting sensor S that detects the speed of a motor vehicle according to the output revolutions of the secondary speed-changing device 6 of interior dress is being set on gearbox 4
2, each detecting sensor S
1, S
2Output pass to control gear 20.And, because it is to be in the state that quickens fully that motor 3 is configured to when work, thereby control gear 20 is to make the motor revolution below the setting value and after the judgement of engine loading more than setting value, the running of control electric motor 16 makes it automatically decelerate to the predefined speed of a motor vehicle.Driving under the occasion of this electric motor 16, owing to keep variable speed operation location means 18 that hold mode is being kept, the 1st operation unit 12 and the 2nd operation unit 13 move with being integral, because pressure sensitive switch SW
1, SW
2Be not operated, thereby in operation, keep variable speed operation location means 18 still to keep active state.
The 3rd embodiment
Whether Fig. 7 and the 3rd embodiment shown in Figure 8 detect above-mentioned variable speed operation spare 10 at the variable speed operation state except dispensing, and perhaps whether variable speed operation spare 10 is in the detection device SW of state of rest on the shift position of regulation
1, SW
2Outward, come down to identical with embodiment 1.The control of electromagnetic coil 25 is undertaken by the operating switch on the handle that is arranged on variable speed operation spare 10 50.This operating switch 50 is connected for the relay 21a in the loop of electricity with being arranged on to electromagnetic coil 25, can control being switched on or switched off of this relay 21a.In addition, in this embodiment, tabular the 1st operation unit 12 that is connected with arm 11 can directly be bearing on the fulcrum 14 pivotally.
The present invention also can be modified into the example of other some changes, as:
(a) can the claw component of this engagement be moved with executive component keeping variable speed operation location means 18 to make the disengagement of meshing of pawl formula, make it can convert hold mode or relieving state to.
(b) perception the state that sensor can be arranged on the grip part 34, grip part 34 is held in perception that variable speed operation spare 10 is operated, with perceive through the state that the operation of the 1st operation unit 12 caused the operation twist and warping or the like be arranged on the sensor at other positions, also voltage sensitive sensor not necessarily.It is the general name to the device that carries out these detections.
For the ease of the contrast accompanying drawing, in claim every, all charged to symbol, but claim scope of the present invention is not charged to because of these and is confined to structure shown in the drawings.
Claims (7)
1. speed changing operating mechanism, it is to use variable speed operation spare (10) operation that links to each other with variable speed operation axle (15a) to be provided with the static oil pressure endless gearing device (15) that returns the variable speed operation axle (15a) of power effect to neutral position, be provided with above-mentioned variable speed operation spare (10) is being remained on the locational maintenance variable speed operation of variable speed operation location means (18) arbitrarily, it is characterized in that, this keeps variable speed operation location means (18) is and to open between the non-active state of above-mentioned variable speed operation spare (10) and to change selectively at the active state that keeps above-mentioned variable speed operation spare (10), under the active state of above-mentioned maintenance variable speed operation location means (18), above-mentioned variable speed operation spare (10) is by being pressed in supporting plate (23,17) on, make it to remain on the stepless above-mentioned variable speed operation arbitrarily position, under the non-active state of above-mentioned maintenance variable speed operation location means (18), releasing acts on above-mentioned the pushing on the above-mentioned variable speed operation spare (10), and the conversion equipment (100) that can convert above-mentioned maintenance variable speed operation location means (18) to non-active state is being set.
2. speed changing operating mechanism as claimed in claim 1 is characterized in that, above-mentioned conversion equipment (100) is the relay (21 of control to above-mentioned maintenance variable speed operation location means (18) energising; 21a).
3. speed changing operating mechanism as claimed in claim 1 or 2, it is characterized in that, above-mentioned maintenance variable speed operation location means (18) is made of electromagnetic coil (25), and above-mentioned conversion equipment (100) converts above-mentioned maintenance variable speed operation location means (18) to non-active state by control at least to electromagnetic coil (25) energising.
4. speed changing operating mechanism as claimed in claim 1, it is characterized in that, be provided with the detection device (SW1 that detects above-mentioned variable speed operation spare (10) operation, SW2), based on above-mentioned detection device (SW1, SW2) testing result, above-mentioned conversion equipment (100) converts above-mentioned maintenance variable speed operation location means (18) to non-active state.
5. speed changing operating mechanism as claimed in claim 4 is characterized in that, above-mentioned detection device is to detect the pressure sensitive switch (SW1 of the operation of above-mentioned variable speed operation spare (10); SW2).
6. speed changing operating mechanism as claimed in claim 4, it is characterized in that, above-mentioned speed changing operating mechanism puts on vehicle, and when this vehicle braked operation piece (27) action, above-mentioned conversion equipment (100) converts above-mentioned maintenance variable speed operation location means (18) to non-active state.
7. speed changing operating mechanism as claimed in claim 1 is characterized in that, above-mentioned conversion equipment (100) has the operating switch (50) on the grip part (34) that is arranged on above-mentioned variable speed operation spare (10).
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP222525/93 | 1993-09-07 | ||
| JP222525/1993 | 1993-09-07 | ||
| JP5222525A JPH0771600A (en) | 1993-09-07 | 1993-09-07 | Traveling speed change operational structure of working vehicle |
| JP222991/1993 | 1993-09-08 | ||
| JP222991/93 | 1993-09-08 | ||
| JP5222991A JPH0777277A (en) | 1993-09-08 | 1993-09-08 | Traveling shift operation structure of farm working car |
| JP224085/93 | 1993-09-09 | ||
| JP22408593A JP3501826B2 (en) | 1993-09-09 | 1993-09-09 | Work shift operation structure of work vehicle |
| JP224085/1993 | 1993-09-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1105940A CN1105940A (en) | 1995-08-02 |
| CN1052059C true CN1052059C (en) | 2000-05-03 |
Family
ID=27330674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94113716A Expired - Fee Related CN1052059C (en) | 1993-09-07 | 1994-09-07 | Speed changing operating mechanism in static oil pressure endless gearing device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR0142157B1 (en) |
| CN (1) | CN1052059C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971095B (en) * | 2005-11-22 | 2010-09-29 | 株式会社久保田 | Transmission for operation vehicle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095771C (en) * | 1996-12-03 | 2002-12-11 | 株式会社久保田 | Running driving device for engineering vehicle |
| US8230757B2 (en) * | 2008-07-29 | 2012-07-31 | Deere & Company | Lever lockout assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0372357A1 (en) * | 1988-11-28 | 1990-06-13 | Nissan Motor Co., Ltd. | Automatic transmission shift control device |
| EP0390210A1 (en) * | 1989-03-31 | 1990-10-03 | Nissan Motor Co., Ltd. | Safety shift-lock device for selector of automatic power transmission |
| EP0437985A1 (en) * | 1990-01-18 | 1991-07-24 | UNITED TECHNOLOGIES AUTOMOTIVE, Inc. | A brake/shift interlock for an automatic transmission shift control mechanism |
| EP0495667A1 (en) * | 1991-01-17 | 1992-07-22 | JSJ Corporation | Lockout mechanism and system for vehicle shifter |
-
1994
- 1994-08-31 KR KR1019940021811A patent/KR0142157B1/en not_active IP Right Cessation
- 1994-09-07 CN CN94113716A patent/CN1052059C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0372357A1 (en) * | 1988-11-28 | 1990-06-13 | Nissan Motor Co., Ltd. | Automatic transmission shift control device |
| EP0390210A1 (en) * | 1989-03-31 | 1990-10-03 | Nissan Motor Co., Ltd. | Safety shift-lock device for selector of automatic power transmission |
| EP0437985A1 (en) * | 1990-01-18 | 1991-07-24 | UNITED TECHNOLOGIES AUTOMOTIVE, Inc. | A brake/shift interlock for an automatic transmission shift control mechanism |
| EP0495667A1 (en) * | 1991-01-17 | 1992-07-22 | JSJ Corporation | Lockout mechanism and system for vehicle shifter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971095B (en) * | 2005-11-22 | 2010-09-29 | 株式会社久保田 | Transmission for operation vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1105940A (en) | 1995-08-02 |
| KR0142157B1 (en) | 1998-06-01 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20000503 Termination date: 20110907 |