CN101104405A - Electric parking brake device with emergency unchaining mechanism for vehicle - Google Patents
Electric parking brake device with emergency unchaining mechanism for vehicle Download PDFInfo
- Publication number
- CN101104405A CN101104405A CNA2007101260788A CN200710126078A CN101104405A CN 101104405 A CN101104405 A CN 101104405A CN A2007101260788 A CNA2007101260788 A CN A2007101260788A CN 200710126078 A CN200710126078 A CN 200710126078A CN 101104405 A CN101104405 A CN 101104405A
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- mentioned
- end cap
- urceolus
- actuator
- emergency unchaining
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- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides an electromotion vehicle braking device which can prevent eyewinker from passing through the gap between the emergency releasing mechanism and a drive transfer component to immerge into a belt emergency releasing mechanism. The electromotion vehicle braking device comprises: an actuator, which controls the vehicle arrester with braking state or releasing state by means of the electromotor drive; an emergency releasing mechanism, which releases the vehicle arrester with braking state without the electromotor drive in an emergency. The emergency releasing mechanism is arranged with a drive transfer component and an outer cylinder for containing the drive transfer component. The drive transfer component can be operated manually in the carriage and drive output gears in the actuator. An end cover which can be taken out by fingers sets on the inner end of the carriage of the outer cylinder, the end cover prevents eyewinker from passing through the gap between the outer cylinder and the drive transfer component to immerge into the outer cylinder.
Description
Technical field
The present invention relates to a kind of electric parking and braking device of for motor vehicle band emergency unchaining mechanism.
Background technology
This kind electric parking and braking device for example such as following patent documentation 1 record, it possesses: actuator, it can utilize the driving of electrical motor that Parking Brake is controlled to be braking mode or disarm state; Emergency unchaining mechanism, it can not rely on the driving of above-mentioned electrical motor and remove the Parking Brake that is under the braking mode when urgent.
Patent documentation 1:DE4218717A1
In above-mentioned electric parking and braking device in the past, above-mentioned emergency unchaining mechanism possesses can be from inboard, compartment manually operated propulsive effort transmission member (rotation transmission member), can utilize this propulsive effort transmission member (rotation transmission member), drive the member that is driven in the above-mentioned actuator, and can remove Parking Brake.
Yet; in above-mentioned electric parking and braking device in the past; when being provided with when the propulsive effort transmission member is contained in the in-to-in urceolus; though can utilize this urceolus to cover and protection propulsive effort transmission member; but exist foreign matter to immerse danger in the urceolus, but also exist this foreign matter to hinder the danger of the motion of propulsive effort transmission member by the gap between urceolus and propulsive effort transmission member.
Summary of the invention
The present invention provides a kind of electric parking and braking device of for motor vehicle band emergency unchaining mechanism in order to solve above-mentioned problem, possesses: actuator, and it can utilize the driving of electrical motor that Parking Brake is controlled to be braking mode or disarm state; And emergency unchaining mechanism, it can not rely on the driving of above-mentioned electrical motor and remove the Parking Brake that is under the braking mode when urgent, above-mentioned emergency unchaining mechanism, possess: the propulsive effort transmission member, its can be from the compartment inboard M/C and can drive the member that is driven in the above-mentioned actuator; And urceolus, it is contained in inside with this propulsive effort transmission member, it is characterized in that, at the compartment of above-mentioned urceolus medial end, available finger is provided with end cap with taking out, and this end cap prevents that foreign matter from immersing in the above-mentioned urceolus through the gap between above-mentioned urceolus and the above-mentioned propulsive effort transmission member.
In this electric parking and braking device, under the state of the compartment medial end that end cap is assembled in urceolus, can utilize end cap to prevent that foreign matter from immersing in the urceolus through the gap between urceolus and the propulsive effort transmission member.In addition, take out under the state of end cap at compartment medial end from urceolus, can be from the compartment inboard M/C propulsive effort transmission member, and can drive the member that is driven in the actuator, when urgent, can not rely on the driving of electrical motor and remove the Parking Brake that is under the braking mode.In addition,, just end cap can be taken out, the operation when urgent can be improved so promptly the time, need not serviceable tool owing to be set to take out end cap with finger.
In addition, in enforcement the present invention, on above-mentioned end cap and above-mentioned urceolus, be provided with guide, at the assembled state that above-mentioned end cap is limited this end cap when above-mentioned urceolus is assembled, at this moment, the mistake assembling of end cap can be prevented, end cap can be normally assembled, and when taking out end cap, can collude securely and hang finger on end cap.
In addition, implementing in the present invention, above-mentioned actuator and above-mentioned urceolus are seal construction, and the foreign matters that on above-mentioned end cap, is provided with water etc. by and filter that air can pass through.At this moment, preventing foreign matter under the state that the in-to-in of actuator and urceolus immerses, the internal pressure that can keep actuator ACT and urceolus all the time under atmospheric pressure.In these cases, be preferably and end cap be contained in the above-mentioned urceolus and outstanding in the compartment.In this case, can prevent that end cap and the article that are housed inside in the compartment from disturbing.
Description of drawings
Fig. 1 has roughly represented the whole pie graph of an embodiment of the electric parking and braking device that the present invention relates to.
Fig. 2 has roughly represented the block diagram of the configuration of actuator shown in Figure 1.
Fig. 3 is the end cap shown in Figure 1 and the longitudinal section of seal ring.
Fig. 4 is the birds-eye view of end cap monomer shown in Figure 3.
Fig. 5 can replace the end cap of end cap use shown in Figure 3 and the longitudinal section of seal ring.
Fig. 6 is the birds-eye view of end cap monomer shown in Figure 5.
Nomenclature: 11... electrical motor; 13,15... Parking Brake; 17, a pair of cable of 19...; 21... casing; 23... shell; 51... propulsive effort transmission member; 53... urceolus; 53a... guiding groove; 55... end cap; 55a... end cap main body; 55a1... seal ring mounting groove; 55a2... through hole; 55a3... guide protrusion; 55a4... hook part; 55b... filter; ECU... electric controller; A... speed reduction gearing; B... switching mechanism; C... distributor gears; TS... tension pick-up; SW1... brake switch; SW2... cancel switch; ACT... actuator; ERM... emergency unchaining mechanism.
The specific embodiment
Below, will describe an embodiment of the invention based on accompanying drawing.Fig. 1 has briefly represented the electric parking and braking device of for motor vehicle band emergency unchaining mechanism that the present invention relates to, and this electric parking and braking device possesses actuator ACT and emergency unchaining mechanism ERM.Actuator ACT can utilize the driving of electrical motor 11 that Parking Brake 13,15 is controlled to be braking mode or disarm state, possesses: speed reduction gearing A, and its ground that will slow down as the rotary driving force of the output of electrical motor 11 transmits; Switching mechanism B, the rotary driving force of the electrical motor 11 that it will transmit by this speed reduction gearing A is converted to linear drives power; Distributor gears C, its linear drives power of having been changed by this switching mechanism B is driven and this linear drives power is assigned to two efferents; A pair of cable 17,19, each efferent of itself and this distributor gears C links and linear drives power is delivered in each Parking Brake 13,15; Electric controller, the positive and negative rotation at its control motor 11 drives.
As shown in Figure 1, speed reduction gearing A has train of reduction gears (can set the number of gear cluster aptly), each gear packed into be assembled in the shell 23 in the casing 21, input gear 25 is fixed in the output shaft 11a of electrical motor 11, and output gear 27 is fixed in an end (protruding in the end in the shell 23) of threaded shaft 29.
Switching mechanism B possesses: above-mentioned threaded shaft 29, the nut 31 that screws with this threaded shaft 29 and limiting the equalizing bar 33 that this nut 31 moves to the threaded shaft direction integratedly with nut 31 under the state of the rotation of threaded shaft.In this switching mechanism B, drive threaded shaft 29 by the rotation of forward ground, make nut 31 and equalizing bar 33 from removing position (position shown in Figure 1) to braking position (with the specified amount distance right-hand position, position shown in Figure 1) axially moving at threaded shaft 29.Therefore, steel wire 17a, the 19a of two cables 17,19 are stretched two Parking Brakes 13,15 are controlled to be braking mode.In addition, drive threaded shaft 29 by rotation oppositely, make thus nut 31 with equalizing bar 33 from braking position to removing position axially moving at threaded shaft 29.Therefore, steel wire 17a, the 19a of two cables 17,19 are loosened two Parking Brakes 13,15 are controlled to be disarm state.
Parking Brake 13 is loaded in the car side brake (diagram is omitted) that assembles in order to brake left rear wheel LRW shown in Figure 2, himself is known member.Parking Brake 15 is loaded in the car side brake (diagram is omitted) that assembles in order to brake off hind wheel RRW shown in Figure 2, himself is known member.
Distributor gears C be with act on nut 31 branches such as linear drives power be assigned to the device of two outputs, it can joltily be supported on nut 31 at central portion 33a place by connecting pin 35, and can move axially to screw thread with nut 31, it also possesses equalizing bar 33, and this equalizing bar 33 links at a pair of arm 33b, the 33c (efferent) that extend outside the diameter of threaded shaft 29 from central portion 33a and inboard steel wire 17a, the 19a of each cable 17,19.
Threaded shaft 29 has outside thread on periphery, and is rotated freely by pair of bearings 37,39 and can not be to being assembled in the casing 21 with moving axially.In addition, under the state that its moving on has axially been limited by bearing 37,39, threaded shaft 29 utilizes electrical motor 11 to be able to by along driving forward or backwards by speed reduction gearing A.Nut 31 has negative thread on week within it, and screws with the outside thread of this negative thread and threaded shaft 29.
Equalizing bar 33 has two walls up and down and the longitudinal wall that links with their (be formed be used to through hole that threaded shaft 29 is connected), be bent to form and be section " コ " word shape, be incorporated into the guide plane 21a (above the diapire of casing 21 shown in Figure 1) of casing 21 below it slidably, and two walls up and down of its central portion 33a can joltily be supported on the upper and lower surface of nut 31.
In addition, equalizing bar 33, arm 33b as the efferent of a side, by end pin 41 can be rotationally with the cable 17 of a side in the end of inboard steel wire 17a link, and as an arm 33c of the efferent of opposite side, across tension pick-up TS and bar 43 can be rotationally with the cable 19 of opposite side in the end of inboard steel wire 19a link.
The cable 17 of one side comprises: inboard steel wire 17a and covering also guide the outboard tube 17b of the periphery beyond the both ends of this inboard steel wire 17a, with the end of inboard steel wire 17a and the Actuator Division binding of the Parking Brake 13 of a side.The cable 19 of opposite side comprises: inboard steel wire 19a and covering also guide the outboard tube 19b of the periphery beyond the both ends of this inboard steel wire 19a, with the other end of inboard steel wire 19a and the Actuator Division binding of the Parking Brake 13 of opposite side.
Tension pick-up TS is located in the bond sites of an arm 31c of efferent of the opposite side of the inboard steel wire 19a of cable 19 of opposite side and equalizing bar 31 with bar 43, it is the device in order to the tension force of the inboard steel wire 19a in the cable 19 that detects opposite side, it for example is configured in the TOHKEMY 2006-17158 communique known, and its detection signal (tension force detected value) is input among the electric controller ECU.
Electric controller ECU and actuator ACT are constituted discretely, be set in the engine room, and be electrically connected, also be electrically connected with brake switch SW1 that is configured in driver's seat and cancel switch SW2 with electrical motor 11 and the tension pick-up TS of actuator ACT.In addition, also electric controller ECU and actuator ACT can be made as one.
Emergency unchaining mechanism ERM, be can not rely on the driving of above-mentioned electrical motor 11 and the device of removing the Parking Brake 13,15 that is under the braking mode when urgent, it possesses: can rotate the propulsive effort transmission member 51 that the conduct that drives in the actuator ACT is driven the output gear 27 of member; Rotatably propulsive effort transmission member 51 is contained in in-to-in urceolus 53, and possesses the end cap 55 on the end of the boot Ra side (inboard, compartment) that is assembled in urceolus 53.
Can manually be rotated operation from boot Ra side (inboard, compartment) serviceable tool to propulsive effort transmission member 51, it comprises: flexible S. A. 51a; Be fixed in the input side end of this S. A. 51a, and the cap 51b of the removable band hexagon ring of serviceable tool; Be fixed in the outgoing side end of S. A. 51a and continue ingears output gear 51c when urgent with output gear 27.In this propulsive effort transmission member 51, by the cap 51b of serviceable tool rotating band hexagon ring, can make S. A. 51a output gear 51c rotation when urgent, and the rotation of output gear 51c can make output gear 27 rotations when urgent.
The pars intermedia of urceolus 53 can be crooked, airtight and liquid is thickly assembled with the casing 21 of itself and seal construction in the end of actuator ACT side, and in the end of boot Ra side itself and boot formed the airtight and liquid of wall 61 and thickly assemble, and form seal construction by assembling end cap 55.Wherein, so that the end of actuator ACT side is approximate horizontal, and the end of boot Ra side is generally perpendicularly propulsive effort transmission member 51 and urceolus 53 are assembled in car body, and pars intermedia bends.
Airtight and liquid thickly is assembled in the end of the boot Ra side of urceolus 53 by seal ring 57 with end cap 55, and is contained in the urceolus 53 and outstanding in boot Ra.In addition, end cap 55 can prevent that foreign matter is immersed in the urceolus 53 through the gap between urceolus 53 and the propulsive effort transmission member 51, and is set as available finger is located at boot formation wall 61 from boot Ra side process inserting hole 61a taking-up.
This end cap 55 comprises end cap main body 55a and filter 55b.End cap main body 55a such as Fig. 3 and shown in Figure 4 have: the seal ring mounting groove 55a1 that is used to install seal ring 57; The through hole 55a2 that is used to make air process filter 55b and circulates; End cap 55 during to urceolus 53 assembling, is being limited the guide protrusion 55a3 of the assembled state of end cap 55 by the guiding groove 53a (with reference to Fig. 1) that is located at urceolus 53; And collude the hook part 55a4 that hangs finger usefulness when end cap 55 is taken out from urceolus 53, and it is shaped integratedly by resin.Filter 55b, by the foreign matter of water etc. can not by and material that air can pass through form laminar, and at periphery and end cap main body 55a is airtight and liquid is thickly assembled.
As the present embodiment that constitutes above-mentionedly in, as if the words that brake switch SW1 is operated, then electrical motor 11 will be rotated in the forward driving, the threaded shaft 29 of switching mechanism B will also be rotated in the forward, will be from releasing position braking position to the right the moving axially along threaded shaft 29 of Fig. 1 with equalizing bar 33 with this nut 31.Therefore, inboard steel wire 17a, the 19a of two cables 17,19 are stretched two Parking Brakes 13,15 are controlled to be braking mode.In addition,, then when the tension force by tension pick-up TS detection is setting value, stop the driving that is rotated in the forward of electrical motor 11, keep the braking mode of two Parking Brakes 13,15 if nut 31 and equalizing bar 33 are moved to braking position.
In addition, if cancel switch SW2 is operated, then electrical motor 11 will be driven by retrograde rotation, and the threaded shaft 29 of switching mechanism B will be also by retrograde rotation, and nut 31 will move to the releasing position of Fig. 1 from braking position with equalizing bar 33 thus.Therefore, inboard steel wire 17a, the 19a of two cables 17,19 are loosened two Parking Brakes 13,15 are controlled to be disarm state.In addition, if nut 31 is moved to removing the position with equalizing bar 33, when the tension force that is detected by tension pick-up TS was roughly zero, the retrograde rotation that stops electrical motor 11 drove, and keeps the disarm state of two Parking Brakes 13,15.
Yet, in the above-described embodiment, under the state of the boot Ra side end that end cap 55 is assembled in urceolus 53, can utilize end cap 55 to prevent that foreign matter from immersing in the urceolus 53 through the gap between urceolus 53 and the propulsive effort transmission member 51.In addition, take out under the state of end cap 55 at boot Ra side end from urceolus 53, can be from boot Ra side M/C propulsive effort transmission member 51, and the output gear 27 in the rotatable driving actuator ACT can not rely on the driving of electrical motor 11 and removes the Parking Brake 13,15 that is under the braking mode when urgent.In addition,, just end cap 55 can be taken out, the operation when urgent can be improved so promptly the time, need not serviceable tool owing to be set to take out end cap 55 with finger.
In addition, in the above-described embodiment, guide protrusion 55a3 is located at end cap 55, and on urceolus 53, is provided with guiding groove 53a, so that end cap 55 to urceolus 53 assemblings the time, limits the assembled state of this end cap 55.Therefore, can prevent the mistake assembling of end cap 55, can normally assemble end cap 55, and when taking out end cap 55, can collude securely and hang finger on end cap 55.
In addition, in the above-mentioned embodiment, actuator ACT and urceolus 53 are seal construction, and end cap 55 foreign matters that is provided with water etc. by and filter 55b that air can pass through.Therefore, preventing under the state that the in-to-in of foreign matter to actuator ACT and urceolus 53 immerses that the internal pressure that can keep actuator ACT and urceolus 53 all the time under atmospheric pressure.In addition, end cap 55 is contained in the urceolus 53 and outstanding in boot Ra.Therefore, can prevent that end cap 55 and the article that are housed inside in the boot Ra from disturbing.
In the above-described embodiment, though used the end cap 55 that constitutes by end cap main body 55a and filter 55b to implement, also can replace this end cap 55 and adopt as Fig. 5 and shown in Figure 6 155 and implement.End cap 155 only is made of end cap main body 155a, except that filter 55b that is not provided with above-mentioned embodiment and through hole 55b2, is identical formation with the end cap 55 of above-mentioned embodiment, so mark is numbered identical symbol with 100 and omitted explanation.
In addition, in the above-described embodiment, though constituting the compartment medial end of the urceolus 53 that makes among the emergency unchaining mechanism ERM implements to boot Ra opening, but the compartment medial end that also can constitute the urceolus 53 that makes among the emergency unchaining mechanism ERM is implemented to crew department's (for example, the rear portion occupant uses the space) opening.
In addition, for example constitute in the above-described embodiment, by setting the formations such as reduction ratio of speed reduction gearing A significantly, under the state that is rotated in the forward driving that has stopped electrical motor 11, can keep the braking mode of two Parking Brakes 13,15, but also can constitute, between output gear 27 and threaded shaft 29, be provided with permission and limit to the rotary driving force transmission of switching mechanism B from switching mechanism B to the unidirectional power transmission mechanism that the rotary driving force of speed reduction gearing A transmits, can keep the braking mode of two Parking Brakes 13,15 from speed reduction gearing A.
Claims (4)
1. the electric parking and braking device of a for motor vehicle band emergency unchaining mechanism possesses: actuator, and it can utilize the driving of electrical motor that Parking Brake is controlled to be braking mode or disarm state; And emergency unchaining mechanism, it can not rely on the driving of above-mentioned electrical motor and remove the Parking Brake that is under the braking mode when urgent, above-mentioned emergency unchaining mechanism, possess: the propulsive effort transmission member, its can be from the compartment inboard M/C and can drive the member that is driven in the above-mentioned actuator; And urceolus, it is contained in inside with this propulsive effort transmission member, it is characterized in that:
At the compartment of above-mentioned urceolus medial end, available finger is provided with end cap with taking out, and this end cap prevents that foreign matter from immersing in the above-mentioned urceolus through the gap between above-mentioned urceolus and the above-mentioned propulsive effort transmission member.
2. the electric parking and braking device of for motor vehicle band emergency unchaining mechanism according to claim 1, it is characterized in that: be provided with guide on above-mentioned end cap and above-mentioned urceolus, this guide is at the assembled state that above-mentioned end cap is limited this end cap when above-mentioned urceolus is assembled.
3. the electric parking and braking device of for motor vehicle band emergency unchaining mechanism according to claim 1, it is characterized in that: above-mentioned actuator and above-mentioned urceolus are seal construction, and the foreign matters that on above-mentioned end cap, is provided with water etc. by and filter that air can pass through.
4. the electric parking and braking device of for motor vehicle band emergency unchaining mechanism according to claim 1 is characterized in that: above-mentioned end cap is contained in the above-mentioned urceolus and outstanding in the compartment.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006194299 | 2006-07-14 | ||
| JP2006194299A JP4697454B2 (en) | 2006-07-14 | 2006-07-14 | Electric parking brake device with emergency release mechanism for vehicles |
| JP2006-194299 | 2006-07-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101104405A true CN101104405A (en) | 2008-01-16 |
| CN101104405B CN101104405B (en) | 2012-06-20 |
Family
ID=38998554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101260788A Expired - Fee Related CN101104405B (en) | 2006-07-14 | 2007-07-06 | Electric parking brake device with emergency unchaining mechanism for vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4697454B2 (en) |
| CN (1) | CN101104405B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180158A (en) * | 2011-04-15 | 2011-09-14 | 万向钱潮股份有限公司 | Pull rope electronic parking brake transmission mechanism |
| CN111605532A (en) * | 2020-06-01 | 2020-09-01 | 长沙理工大学 | Connecting rod type power-assisted brake assembly |
| CN115279636A (en) * | 2020-03-12 | 2022-11-01 | 日立安斯泰莫株式会社 | Electric parking brake device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5151843B2 (en) * | 2008-02-05 | 2013-02-27 | 株式会社アドヴィックス | Cable type driving force transmission mechanism |
| KR101472136B1 (en) * | 2008-07-16 | 2014-12-24 | 현대모비스 주식회사 | Emergency release typed caliper attached electrical parking brake in vehicle |
| JP5304543B2 (en) * | 2009-03-31 | 2013-10-02 | 株式会社アドヴィックス | Electric parking brake device with emergency release mechanism for vehicles |
| KR101612264B1 (en) * | 2010-07-02 | 2016-04-15 | 현대모비스 주식회사 | Electronic parking brake |
| JP6565896B2 (en) * | 2016-12-26 | 2019-08-28 | 株式会社アドヴィックス | Electric parking brake device |
| JP2022151379A (en) * | 2021-03-26 | 2022-10-07 | いすゞ自動車株式会社 | Cap of emergency operation cable of electric parking brake |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6262028A (en) * | 1985-09-06 | 1987-03-18 | クノルーブレムゼ・アクチエンゲゼルシヤフト | Emergency release device for spring brake cylinder of car brake gear and revolution drive for return device of slack adjuster |
| DE4218717A1 (en) * | 1992-06-06 | 1993-12-09 | Fichtel & Sachs Ag | Car handbrake - has electric motor for operating brake shoes and detectors to determine position of gear shift, clutch, accelerator pedal |
| JP2880640B2 (en) * | 1994-04-07 | 1999-04-12 | 高橋金物株式会社 | Drawer decorative panel mounting structure |
| US5857753A (en) * | 1996-09-20 | 1999-01-12 | Itt Automotive Inc. | Submersible cover for a low pressure accumulator |
| US6386338B1 (en) * | 2000-12-01 | 2002-05-14 | Dura Global Technologies, Inc. | Electric parking brake manual override |
| DE10213249B4 (en) * | 2002-03-25 | 2007-09-13 | Fico Cables, S.A., Rubi | Actuation mechanism for parking brakes |
| JP2005205975A (en) * | 2004-01-21 | 2005-08-04 | Honda Motor Co Ltd | Electric parking brake device |
| JP4928089B2 (en) * | 2004-06-30 | 2012-05-09 | 株式会社ハイレックスコーポレーション | Electric cable drive device and electric brake device |
-
2006
- 2006-07-14 JP JP2006194299A patent/JP4697454B2/en not_active Expired - Fee Related
-
2007
- 2007-07-06 CN CN2007101260788A patent/CN101104405B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180158A (en) * | 2011-04-15 | 2011-09-14 | 万向钱潮股份有限公司 | Pull rope electronic parking brake transmission mechanism |
| CN102180158B (en) * | 2011-04-15 | 2014-06-25 | 万向钱潮股份有限公司 | Pull rope electronic parking brake transmission mechanism |
| CN115279636A (en) * | 2020-03-12 | 2022-11-01 | 日立安斯泰莫株式会社 | Electric parking brake device |
| CN115279636B (en) * | 2020-03-12 | 2023-09-22 | 日立安斯泰莫株式会社 | Electric parking brake device |
| CN111605532A (en) * | 2020-06-01 | 2020-09-01 | 长沙理工大学 | Connecting rod type power-assisted brake assembly |
| CN111605532B (en) * | 2020-06-01 | 2021-07-27 | 长沙理工大学 | Connecting rod type power-assisted brake assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4697454B2 (en) | 2011-06-08 |
| JP2008018898A (en) | 2008-01-31 |
| CN101104405B (en) | 2012-06-20 |
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Granted publication date: 20120620 Termination date: 20200706 |