WO2017006008A1 - Parking brake control device - Google Patents

Parking brake control device Download PDF

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Publication number
WO2017006008A1
WO2017006008A1 PCT/FR2016/051517 FR2016051517W WO2017006008A1 WO 2017006008 A1 WO2017006008 A1 WO 2017006008A1 FR 2016051517 W FR2016051517 W FR 2016051517W WO 2017006008 A1 WO2017006008 A1 WO 2017006008A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide
lever
stop
parking brake
wheel
Prior art date
Application number
PCT/FR2016/051517
Other languages
French (fr)
Original Assignee
Renault S.A.S
Nissan Motor Co. Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Renault S.A.S, Nissan Motor Co. Ltd filed Critical Renault S.A.S
Publication of WO2017006008A1 publication Critical patent/WO2017006008A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3416—Parking lock mechanisms or brakes in the transmission
    • F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
    • F16H63/3433—Details of latch mechanisms, e.g. for keeping pawls out of engagement

Definitions

  • the invention relates to a parking brake control device for locking a transmission shaft of a motor vehicle, and particularly of the transmission shaft, at the output of an automatic gearbox, or a reducer.
  • a parking brake control device comprising a guide movable between a locking position and an unlocking position of the parking brake, a toothed wheel in rotation with a transmission shaft, and a lever. blocking device between an unlocking position away from the gear wheel and a locking position between the teeth thereof, under the combined action of the guide, an engagement spring, and a spring clearance.
  • the driver shall have a multi-position control switch, including at least the following: "forward” (D), “Reverse” (R), “neutral point” (N) and “parking” (P).
  • the lever transmits its position to the gearbox or gearbox via a cable or linkage.
  • the parking position corresponds to a parking state of the vehicle, in which the movement of the vehicle must be prohibited.
  • the transmission shaft of the gearbox or gearbox is immobilized, which prevents rotation of the drive wheels of the vehicle, and immobilizes it.
  • a locking mechanism of a motor vehicle transmission shaft of the type comprising a parking wheel toothed, rotatably connected to the transmission shaft, and a locking lever which carries a locking pin capable of being received in a slot of the toothed wheel.
  • the locking lever is pivotally mounted about a tilting axis, between an armed angular position in which the locking finger engages between two teeth of the parking wheel, and an unobstructed angular position.
  • the mechanism comprises a release spring applying a constant force on the locking lever so as to push it towards said unobstructed angular position. It also includes a return spring, which holds the finger in a position not engaged, when the control lever of the gearbox is in position R, N or D.
  • This spring is sized today to hold your finger in all road conditions, including potholes, or strong decelerations.
  • the safety rules in this area impose an oversizing of the return spring, as well as the cocking spring. Oversizing the springs imposes on the driver a high effort to actuate the selector between one or other of the operating positions.
  • the present invention aims to overcome this drawback of known control devices, by an adaptation measure, simple to implement on the latter.
  • the guide responsible for the tilting of the locking lever carries a stop limiting its tilt towards the gear when the guide is in the unlocked position, to avoid contact of the lever with the parking wheel.
  • the stopper comes into contact with a finger prohibition on the lever so as to prevent it from tilting towards the toothed wheel.
  • the stop is advantageously supported by an arm moving with the guide.
  • the stop is articulated on the arm, and pivots about a fixed axis, so as to deviate from the prohibition finger, when the guide moves from its unlocking position to its locking position.
  • FIG. 1 represents the device proposed in the unlocking position
  • Figure 2 shows the same device in the locking position.
  • the device shown diagrammatically in the figures comprises a guide 1 movable between a locking position and an unlocking position of the parking brake, a toothed wheel 2, integral in rotation with a transmission shaft, and a locking lever 3, tilting between an unlocking position away from the gear and a locking position where it is engaged between the teeth 2a thereof.
  • the guide 1 is in the form of a mobile carriage, moving in translation along a rigid support 4 (under the control of a non-detailed intermediate control system), comprising an anchoring point 6 for the end of a cable or actuating rod.
  • the guide 1 extends to the left, so as to impose the lever 3, to switch towards the toothed wheel 2, under the constraint of a cam or guide rail appropriate internal, not shown.
  • An engagement spring 7, wound around a rod 8 of the guide 1 bears against it, to hold it in abutment against the locking lever 3.
  • the guide 1 carries a stop 11 limiting the tilting of the lever 3 in the direction of the wheel 2, when the guide 1 is in the unlocked position to avoid contact of the lever 3 with the wheel 2.
  • the abutment 11 comes into contact with a prohibition finger 12 fixed on the lever, and rests on it, so as to prevent the tilting of the lever 3 in the direction of the toothed wheel 2.
  • the stop is supported by an arm 13 fixed on the guide 1, and moving with it.
  • the arm 13 is connected to the abutment 11 by a pivot connection (axis, pin or other).
  • the abutment 11 can rotate about its axis 14, which is fixed. Depending on its position, the stop may or may not be in contact with the locking finger 12 of the locking lever 3.
  • the stop 11 is articulated on the arm 13. It pivots about its fixed axis 14, so as to deviate from the prohibition finger, when the guide 1 moves from its unlocking position to its position of locking the parking brake.
  • unlocking position (see Figure 1), the locking lever 3 is disengaged from the wheel 2.
  • the stop 11 is in contact with the prohibition finger, and limits the moving the lever 3 to avoid contact with the parking wheel 2.
  • the guide 1 rotates the abutment 11 around its axis 14 by releasing the finger 13 (see FIG. In this position, the stop 11 can not oppose the engagement of the lever 3 between the teeth 2a of the toothed wheel 2.
  • the stop In position P, the stop is unlocked, to allow engagement of the parking finger.
  • the gear selector When the gear selector is in position R, N or D, the stop inserted in the device has a rigid damping. This stop avoids contact of the locking lever with the parking wheel, especially in rough driving conditions or sudden driving, with the desired level of security. Indeed, the position is maintained by the support between two parts that do not rotate. Thanks to the proposed arrangement, it is possible to reduce the dimensioning of the return spring by at least a factor of three, which also makes it possible to reduce the total dimensioning of the other springs of the device (cocking spring and, if necessary, billing spring), to improve the performance of the gear selector.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Regulating Braking Force (AREA)

Abstract

Parking brake control device comprising a mobile guide (1) able to move between a position of locking and a position of unlocking of the parking brake, a toothed wheel (2) rotating as one with a transmission shaft, and a blocking lever (3) pivoting between an unlocking position away from the toothed wheel and a locking position between the teeth (2a) thereof under the combined action of the guide (1), of an engagement spring (7) and of a disengagement spring (9), characterized in that the guide (1) bears an end stop (11) that limits the pivoting of the lever (3) towards the toothed wheel (2) when the guide is in the unlocking position to prevent contact between the lever and the parking wheel.

Description

DISPOSITIF DE COMMANDE DE FREIN DE PARKING  PARKING BRAKE CONTROL DEVICE
L'invention concerne un dispositif de commande de frein de parking permettant le verrouillage d'un arbre de transmission d'un véhicule automobile, et particulièrement de l'arbre de transmission, à la sortie d'une boîte de vitesses automatique, ou d'un réducteur. The invention relates to a parking brake control device for locking a transmission shaft of a motor vehicle, and particularly of the transmission shaft, at the output of an automatic gearbox, or a reducer.
Plus précisément, elle a pour objet un dispositif de commande de frein de parking comportant un guide mobile entre une position de verrouillage et une position de déverrouillage du frein de parking, une roue dentée solidaire en rotation d'un arbre de transmission, et un levier de blocage basculant entre une position de déverrouillage à l'écart de la roue dentée et une position de verrouillage entre les dents de celle-ci, sous l'action combinée du guide, d'un ressort d'engagement, et d'un ressort de dégagement.  More specifically, it relates to a parking brake control device comprising a guide movable between a locking position and an unlocking position of the parking brake, a toothed wheel in rotation with a transmission shaft, and a lever. blocking device between an unlocking position away from the gear wheel and a locking position between the teeth thereof, under the combined action of the guide, an engagement spring, and a spring clearance.
Sur les véhicules équipés d'une boîte de vitesses automatique, ou d'un moteur électrique associé à un réducteur, le conducteur dispose d'un sélecteur de commande à plusieurs positions, dont au moins les suivantes : « marche avant » (D) , « marche arrière » (R) , « point neutre » (N) et « parking » (P) . Le levier transmet sa position à la boîte de vitesse ou au réducteur, par un câble ou une tringlerie. La position de parking correspond à un état de stationnement du véhicule, dans lequel le mouvement du véhicule doit être interdit. Pour cela, l'arbre de transmission de la boîte de vitesses ou du réducteur est immobilisé, ce qui empêche la rotation des roues motrices du véhicule, et immobilise celui-ci.  In vehicles equipped with an automatic gearbox, or an electric motor associated with a gearbox, the driver shall have a multi-position control switch, including at least the following: "forward" (D), "Reverse" (R), "neutral point" (N) and "parking" (P). The lever transmits its position to the gearbox or gearbox via a cable or linkage. The parking position corresponds to a parking state of the vehicle, in which the movement of the vehicle must be prohibited. For this, the transmission shaft of the gearbox or gearbox is immobilized, which prevents rotation of the drive wheels of the vehicle, and immobilizes it.
Par la publication FR 2 878 487, on connaît un mécanisme de verrouillage d'un arbre de transmission de véhicule automobile du type comportant une roue parking dentée, solidaire en rotation de l'arbre de transmission, et un levier de blocage qui porte un doigt de blocage susceptible d'être reçu dans un créneau de la roue dentée. Le levier de blocage est monté basculant autour d'un axe de basculement, entre une position angulaire armée dans laquelle le doigt de blocage s'engage entre deux dents de la roue de parking, et une position angulaire dégagée. Le mécanisme comporte un ressort de dégagement appliquant un effort constant sur le levier de blocage de façon à le repousser vers ladite position angulaire dégagée. Il comporte aussi un ressort de rappel, qui permet de tenir le doigt dans une position non engagée, lorsque le levier de commande de la boîte de vitesses est en position R, N ou D. By the publication FR 2 878 487, there is known a locking mechanism of a motor vehicle transmission shaft of the type comprising a parking wheel toothed, rotatably connected to the transmission shaft, and a locking lever which carries a locking pin capable of being received in a slot of the toothed wheel. The locking lever is pivotally mounted about a tilting axis, between an armed angular position in which the locking finger engages between two teeth of the parking wheel, and an unobstructed angular position. The mechanism comprises a release spring applying a constant force on the locking lever so as to push it towards said unobstructed angular position. It also includes a return spring, which holds the finger in a position not engaged, when the control lever of the gearbox is in position R, N or D.
Ce ressort de rappel est dimensionné aujourd'hui pour tenir le doigt dans toutes les conditions de route, notamment les nids de poule, ou les fortes décélérations. Les règles de sécurité en la matière, imposent un surdimensionnement du ressort de rappel, ainsi que du ressort d'armement. Le surdimensionnement des ressorts impose au conducteur un effort élevé pour actionner le sélecteur entre l'une ou l'autre des positions de fonctionnement .  This spring is sized today to hold your finger in all road conditions, including potholes, or strong decelerations. The safety rules in this area impose an oversizing of the return spring, as well as the cocking spring. Oversizing the springs imposes on the driver a high effort to actuate the selector between one or other of the operating positions.
La présente invention vise à pallier cet inconvénient des dispositifs de commande connus, par une mesure d'adaptation, simple à mettre en œuvre sur ces derniers .  The present invention aims to overcome this drawback of known control devices, by an adaptation measure, simple to implement on the latter.
Dans ce but, elle propose que le guide responsable du basculement du levier de blocage porte une butée limitant son basculement en direction de la roue dentée lorsque le guide est en position de déverrouillage, pour éviter le contact du levier avec la roue de parking.  For this purpose, it proposes that the guide responsible for the tilting of the locking lever carries a stop limiting its tilt towards the gear when the guide is in the unlocked position, to avoid contact of the lever with the parking wheel.
Dans un mode de réalisation particulier de l'invention, la butée entre en contact avec un doigt d' interdiction fixé sur le levier de manière à interdire son basculement en direction de la roue dentée. In a particular embodiment of the invention, the stopper comes into contact with a finger prohibition on the lever so as to prevent it from tilting towards the toothed wheel.
La butée est avantageusement supportée par un bras se déplaçant avec le guide.  The stop is advantageously supported by an arm moving with the guide.
De préférence, la butée est articulée sur le bras, et pivote autour d'un axe fixe, de manière à s'écarter du doigt d' interdiction, lorsque le guide se déplace de sa position de déverrouillage vers sa position de verrouillage .  Preferably, the stop is articulated on the arm, and pivots about a fixed axis, so as to deviate from the prohibition finger, when the guide moves from its unlocking position to its locking position.
La présente invention sera mieux comprise à la lecture de la description suivante d'un mode de réalisation non limitatif de celle-ci, en se reportant aux dessins annexés sur lesquels :  The present invention will be better understood on reading the following description of a non-limiting embodiment thereof, with reference to the appended drawings in which:
la figure 1 représente le dispositif proposé en position de déverrouillage, et  FIG. 1 represents the device proposed in the unlocking position, and
la figure 2 représente le même dispositif en position de verrouillage.  Figure 2 shows the same device in the locking position.
Le dispositif représenté schématiquement sur les figures, comprend un guide 1 mobile entre une position de verrouillage et une position de déverrouillage du frein de parking, une roue dentée 2, solidaire en rotation d'un arbre de transmission, et un levier de blocage 3, basculant entre une position de déverrouillage à l'écart de la roue dentée et une position de verrouillage où il est engagé entre les dents 2a de celle-ci. Le guide 1 se présente sous la forme d'un chariot mobile, se déplaçant en translation le long d'un support rigide 4 (sous le contrôle d'un système de commande intermédiaire non détaillé), comprenant un point d'ancrage 6 pour l'extrémité d'un câble ou d'une tringle d' actionnement . Entre la figure 1 et la figure 2, le guide 1 se déploie vers la gauche, de manière à imposer au levier 3, de basculer en direction de la roue dentée 2, sous la contrainte d'un profil de came ou de rampe de guidage interne approprié, non représenté. Un ressort d'engagement 7, enroulé autour d'une tige 8 du guide 1, prend appui sur celui-ci, pour le maintenir en appui contre le levier de blocage 3. The device shown diagrammatically in the figures, comprises a guide 1 movable between a locking position and an unlocking position of the parking brake, a toothed wheel 2, integral in rotation with a transmission shaft, and a locking lever 3, tilting between an unlocking position away from the gear and a locking position where it is engaged between the teeth 2a thereof. The guide 1 is in the form of a mobile carriage, moving in translation along a rigid support 4 (under the control of a non-detailed intermediate control system), comprising an anchoring point 6 for the end of a cable or actuating rod. Between Figure 1 and Figure 2, the guide 1 extends to the left, so as to impose the lever 3, to switch towards the toothed wheel 2, under the constraint of a cam or guide rail appropriate internal, not shown. An engagement spring 7, wound around a rod 8 of the guide 1, bears against it, to hold it in abutment against the locking lever 3.
Dans ce dispositif, le déplacement du levier de blocage 3 entre ses deux positions s'effectue sous l'action combinée du guide 1, du ressort d'engagement 7, et d'un ressort de dégagement 9, mentionnés sur les schémas .  In this device, the movement of the locking lever 3 between its two positions takes place under the combined action of the guide 1, the engagement spring 7, and a release spring 9, mentioned in the diagrams.
Le guide 1 porte une butée 11 limitant le basculement du levier 3 en direction de la roue 2, lorsque le guide 1 est en position de déverrouillage pour éviter le contact du levier 3 avec la roue 2. Lorsque le guide 1 est en position de déverrouillage, la butée 11 entre en contact avec un doigt d' interdiction 12 fixé sur le levier, et s'appuie sur celui-ci, de manière à interdire le basculement du levier 3 en direction de la roue dentée 2. La butée est supportée par un bras 13 fixé sur le guide 1, et se déplaçant avec celui-ci. Le bras 13 est lié à la butée 11 par une liaison pivot (axe, pion ou autre) . La butée 11 peut tourner autour de son axe 14, qui est fixe. En fonction de sa position, la butée peut être en contact ou non avec le doigt d' interdiction 12 du levier de blocage 3.  The guide 1 carries a stop 11 limiting the tilting of the lever 3 in the direction of the wheel 2, when the guide 1 is in the unlocked position to avoid contact of the lever 3 with the wheel 2. When the guide 1 is in the unlocked position , the abutment 11 comes into contact with a prohibition finger 12 fixed on the lever, and rests on it, so as to prevent the tilting of the lever 3 in the direction of the toothed wheel 2. The stop is supported by an arm 13 fixed on the guide 1, and moving with it. The arm 13 is connected to the abutment 11 by a pivot connection (axis, pin or other). The abutment 11 can rotate about its axis 14, which is fixed. Depending on its position, the stop may or may not be in contact with the locking finger 12 of the locking lever 3.
Dans le mode de réalisation non limitatif de l'invention illustré par les figures, la butée 11 est articulée sur le bras 13. Elle pivote autour de son axe fixe 14, de manière à s'écarter du doigt d'interdiction, lorsque le guide 1 se déplace de sa position de déverrouillage vers sa position de verrouillage du frein de parking.  In the nonlimiting embodiment of the invention illustrated by the figures, the stop 11 is articulated on the arm 13. It pivots about its fixed axis 14, so as to deviate from the prohibition finger, when the guide 1 moves from its unlocking position to its position of locking the parking brake.
En position de déverrouillage (cf. figure 1), le levier de blocage 3 est dégagé de la roue 2. La butée 11 est en contact avec le doigt d'interdiction, et limite le déplacement du levier 3, pour éviter son contact avec la roue de parking 2. In unlocking position (see Figure 1), the locking lever 3 is disengaged from the wheel 2. The stop 11 is in contact with the prohibition finger, and limits the moving the lever 3 to avoid contact with the parking wheel 2.
Lors de 1 ' actionnement du frein de parking, le guide 1 fait tourner la butée 11 autour de son axe 14 en libérant le doigt 13 (cf. figure 2) . Dans cette position, la butée 11 ne peut pas s'opposer à l'engagement du levier 3 entre les dents 2a de la roue dentée 2.  When the parking brake is actuated, the guide 1 rotates the abutment 11 around its axis 14 by releasing the finger 13 (see FIG. In this position, the stop 11 can not oppose the engagement of the lever 3 between the teeth 2a of the toothed wheel 2.
En position P, la butée est déverrouillée, afin d'autoriser l'engagement du doigt de parking. Lorsque le sélecteur de vitesses est en position R, N ou D, la butée introduite dans le dispositif a un amortissement rigide. Cette butée permet d' éviter le contact du levier de blocage avec la roue de parking, notamment dans des conditions de roulage accidentées ou de conduite brusque, avec le niveau de sécurité souhaité. En effet, le maintien de la position est assuré par l'appui entre deux pièces qui ne tournent pas. Grâce à la disposition proposée, on peut réduire le dimensionnement du ressort de rappel, au moins d'un facteur trois, ce qui permet de réduire aussi le dimensionnement complet des autres ressorts du dispositif (ressort d'armement et éventuellement ressort de billage), en vue d'améliorer la prestation du sélecteur de vitesses.  In position P, the stop is unlocked, to allow engagement of the parking finger. When the gear selector is in position R, N or D, the stop inserted in the device has a rigid damping. This stop avoids contact of the locking lever with the parking wheel, especially in rough driving conditions or sudden driving, with the desired level of security. Indeed, the position is maintained by the support between two parts that do not rotate. Thanks to the proposed arrangement, it is possible to reduce the dimensioning of the return spring by at least a factor of three, which also makes it possible to reduce the total dimensioning of the other springs of the device (cocking spring and, if necessary, billing spring), to improve the performance of the gear selector.

Claims

REVENDICATIONS
1. Dispositif de commande de frein de parking comportant un guide mobile (1) entre une position de verrouillage et une position de déverrouillage du frein de parking, une roue dentée (2) solidaire en rotation d'un arbre de transmission, et un levier de blocage (3) basculant entre une position de déverrouillage à l'écart de la roue dentée et une position de verrouillage entre les dents (2a) de celle-ci sous l'action combinée du guide (1), d'un ressort d'engagement (7) et d'un ressort de dégagement (9), le guide (1) portant une butée (11) limitant le basculement du levier (3) en direction de la roue dentée (2) lorsque le guide est en position de déverrouillage pour éviter le contact du levier avec la roue de parking, caractérisé en ce que la butée (11) est articulée sur un bras (13) se déplaçant avec le guide. Parking brake control device comprising a movable guide (1) between a locking position and an unlocking position of the parking brake, a toothed wheel (2) integral in rotation with a transmission shaft, and a lever blocking device (3) swinging between an unlocking position away from the gear wheel and a locking position between the teeth (2a) thereof under the combined action of the guide (1), a spring of engagement (7) and a release spring (9), the guide (1) carrying a stop (11) limiting the tilting of the lever (3) in the direction of the toothed wheel (2) when the guide is in position unlocking device to prevent contact of the lever with the parking wheel, characterized in that the stop (11) is articulated on an arm (13) moving with the guide.
2. Dispositif de commande selon la revendication 1, caractérisé en ce que la butée (11) entre en contact avec un doigt d'interdiction (12) fixé sur le levier (3) de manière à interdire son basculement en direction de la roue dentée (2), lorsque le guide est en position de déverrouillage .  2. Control device according to claim 1, characterized in that the stop (11) comes into contact with a prohibition finger (12) fixed on the lever (3) so as to prevent its tilting towards the gear wheel (2) when the guide is in the unlock position.
3. Dispositif de commande selon la revendication 2, caractérisé en ce que la butée (11) pivote autour d'un axe fixe (14), de manière à s'écarter du doigt d'interdiction (12) lorsque le guide (1) se déplace de sa position de déverrouillage vers sa position de verrouillage .  3. Control device according to claim 2, characterized in that the stop (11) pivots about a fixed axis (14), so as to deviate from the prohibition finger (12) when the guide (1) moves from its unlocking position to its locking position.
PCT/FR2016/051517 2015-07-07 2016-06-21 Parking brake control device WO2017006008A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1556432A FR3038685B1 (en) 2015-07-07 2015-07-07 PARKING BRAKE CONTROL DEVICE
FR1556432 2015-07-07

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FR3067781A1 (en) * 2017-06-14 2018-12-21 Peugeot Citroen Automobiles Sa LATCHING SYSTEM OF A MOTOR VEHICLE TRANSMISSION COMPRISING A LOCKING LEVER
WO2020008234A1 (en) * 2018-07-05 2020-01-09 Hardcore Automotive Locking Technologies (Pty) Ltd A retro-fittable vehicle lock
FR3098265A1 (en) 2019-07-02 2021-01-08 Psa Automobiles Sa PARKING BRAKE CONTROL DEVICE
US20220018434A1 (en) * 2020-07-17 2022-01-20 Toyota Jidosha Kabushiki Kaisha Vehicle parking lock mechanism
CN114251451A (en) * 2020-09-24 2022-03-29 丰田自动车株式会社 Vehicle parking locking mechanism

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* Cited by examiner, † Cited by third party
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FR3093551A3 (en) 2019-03-07 2020-09-11 Renault S.A.S. PARKING BRAKE CONTROL DEVICE AND METHOD

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4369867A (en) * 1980-09-11 1983-01-25 Ford Motor Company Automatic transmission parking brake mechanism
FR2878487A1 (en) 2004-11-30 2006-06-02 Renault Sas Drive shaft locking mechanism for motor vehicle, has release spring applying constant force on clamping lever to force back lever to released angular position, where lever has balance weight for soliciting lever towards angular position
DE102005002441A1 (en) * 2005-01-19 2006-07-27 Zf Friedrichshafen Ag Park locking mechanism for automatic transmission/automatic, manual transmission of motor vehicle, has locking unit engaged in groove, edge or recess of ratchet for positive locking of ratchet, in drive operation
DE102008054469A1 (en) * 2008-12-10 2010-06-17 Zf Friedrichshafen Ag Parking lock device for motor vehicle transmission, has bolt blockingly intervened in parking lock wheel during insertion of parking lock, where bolt is form-fittingly securable during mounting of parking lock
GB2467378A (en) * 2009-02-02 2010-08-04 Gm Global Tech Operations Inc Transmission with a lock that prevents accidental park pawl reengagement
CN101973209A (en) * 2010-10-21 2011-02-16 浙江吉利汽车研究院有限公司 Parking mechanism of automotive automatic transmission
DE102010001865A1 (en) * 2010-02-12 2011-08-18 ZF Friedrichshafen AG, 88046 Parking lock device for gear box of motor car, has lock pawl locked with parking lock wheel by fuse element, while laying-out of parking lock in outer intervention, where fuse element is designed as swingable spring loaded locking lever

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4369867A (en) * 1980-09-11 1983-01-25 Ford Motor Company Automatic transmission parking brake mechanism
FR2878487A1 (en) 2004-11-30 2006-06-02 Renault Sas Drive shaft locking mechanism for motor vehicle, has release spring applying constant force on clamping lever to force back lever to released angular position, where lever has balance weight for soliciting lever towards angular position
DE102005002441A1 (en) * 2005-01-19 2006-07-27 Zf Friedrichshafen Ag Park locking mechanism for automatic transmission/automatic, manual transmission of motor vehicle, has locking unit engaged in groove, edge or recess of ratchet for positive locking of ratchet, in drive operation
DE102008054469A1 (en) * 2008-12-10 2010-06-17 Zf Friedrichshafen Ag Parking lock device for motor vehicle transmission, has bolt blockingly intervened in parking lock wheel during insertion of parking lock, where bolt is form-fittingly securable during mounting of parking lock
GB2467378A (en) * 2009-02-02 2010-08-04 Gm Global Tech Operations Inc Transmission with a lock that prevents accidental park pawl reengagement
DE102010001865A1 (en) * 2010-02-12 2011-08-18 ZF Friedrichshafen AG, 88046 Parking lock device for gear box of motor car, has lock pawl locked with parking lock wheel by fuse element, while laying-out of parking lock in outer intervention, where fuse element is designed as swingable spring loaded locking lever
CN101973209A (en) * 2010-10-21 2011-02-16 浙江吉利汽车研究院有限公司 Parking mechanism of automotive automatic transmission

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3067781A1 (en) * 2017-06-14 2018-12-21 Peugeot Citroen Automobiles Sa LATCHING SYSTEM OF A MOTOR VEHICLE TRANSMISSION COMPRISING A LOCKING LEVER
WO2020008234A1 (en) * 2018-07-05 2020-01-09 Hardcore Automotive Locking Technologies (Pty) Ltd A retro-fittable vehicle lock
AU2018430802B2 (en) * 2018-07-05 2022-12-22 Hardcore Automotive Locking Technologies (Pty) Ltd A retro-fittable vehicle lock
US11840195B2 (en) 2018-07-05 2023-12-12 Hardcore Automotive Locking Technologies (Pty) Ltd Retro-fittable vehicle lock
FR3098265A1 (en) 2019-07-02 2021-01-08 Psa Automobiles Sa PARKING BRAKE CONTROL DEVICE
US20220018434A1 (en) * 2020-07-17 2022-01-20 Toyota Jidosha Kabushiki Kaisha Vehicle parking lock mechanism
US11585438B2 (en) * 2020-07-17 2023-02-21 Toyota Jidosha Kabushiki Kaisha Vehicle parking lock mechanism
CN114251451A (en) * 2020-09-24 2022-03-29 丰田自动车株式会社 Vehicle parking locking mechanism

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FR3038685B1 (en) 2018-06-22

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