CN103511501A - Clutch release bearing device - Google Patents
Clutch release bearing device Download PDFInfo
- Publication number
- CN103511501A CN103511501A CN201310256912.0A CN201310256912A CN103511501A CN 103511501 A CN103511501 A CN 103511501A CN 201310256912 A CN201310256912 A CN 201310256912A CN 103511501 A CN103511501 A CN 103511501A
- Authority
- CN
- China
- Prior art keywords
- center sleeve
- application piston
- piston
- raceway
- sleeve
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/083—Actuators therefor
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/43—Clutches, e.g. disengaging bearing
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/087—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation the clutch being actuated by the fluid-actuated member via a diaphragm spring or an equivalent array of levers
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
- F16D27/108—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
- F16D27/112—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
A clutch release bearing device (2) comprises a bearing (2) with a ball (25), the bearing (2) comprising a fixed roll path (21) and a rotating and/or rotatable roll path (22) adapted to contact with a clutch diaphragm (E); a central sleeve (6) fixed to the fixed roll path (21); and an operating piston (4) which is fixed to the central sleeve (6) in a rotation and translation manner. An elastic tongue part (44) is provided on an outer surface (42) of the operating piston (4) opposite to an inner surface (61) of the central sleeve (6), with a free end (440) supporting a protruding part (442) which protrudes relative to a longitudinal central axis (X-X') of the operating piston (4). The protruding part (442) is received in one of hollow convex parts (64) of the central sleeve (6).
Description
Technical field
The present invention relates to a kind of coupling disengage device.
Background technique
Clutch release bearing generally includes ball bearing, and it is suitable for the fixing raceway contacting with clutch diaphragm (clutch diaphragm) and rotates the raceway that maybe can revolve forming by separation process.This device drives via application piston (manoeuvring piston) conventionally, and described application piston can be corresponding to rotatingshaft translation on longitudinal axis of ball bearing.This application piston is fixed to center sleeve conventionally, so that himself is rotated the fixedly raceway of fixing and moving to bearing.
Described application piston is fixed to center sleeve via the assembled component that comprises tongue composition that is arranged on center sleeve and extends towards its inside conventionally.Clear learning from FR-A-2785654, in the time of in application piston is installed in center sleeve, the sleeve pipe of handling tongue is inserted in the hollow protuberance (reliefs) on application piston, and object is to pin application piston with respect to the position of center sleeve.This structure has stoped when device is driven, and piston is separated from center sleeve.
Yet this structure also has shortcoming.The tongue being arranged on center sleeve must keep certain elasticity, so that they can apply enough power to application piston, stops thus it from the separation of sleeve pipe.Yet sleeve pipe is manufactured by stainless steel conventionally, in the time of in application piston is installed in sleeve pipe, after their initial deformations, it has reduced the elastic performance of tongue.Use special metal alloy can avoid this problem, but there is high cost of production.
And by this scheme, the irreversible character that piston is installed in sleeve pipe is not very practical, especially during maintenance operation, in the situation that the element of coupling disengage device must be replaced.This assembly structure relates to difficulty during dismounting piston, and may cause the fracture of the tongue of center sleeve.
Summary of the invention
The present invention is intended to make up these shortcomings, and the present invention proposes a kind of novel coupling disengage device, and it is fixed to center sleeve for providing via elastic element by application piston, and realizes these installation composition parts of simple and nondestructive dismounting.
For this object, the present invention relates to a kind of coupling disengage device, it comprises having the application piston that center sleeve was fixed and moved in the ball bearing of the raceway that fixedly raceway maybe can revolve with the rotation that is suitable for contacting with clutch diaphragm, the center sleeve that is fixed on fixing raceway and rotation.Center sleeve comprises hollow protuberance in inside face.Application piston comprises resilient tongue on the exterior face with respect to center sleeve inside face, and its free end carries outstanding protuberance with respect to longitudinal center's axis of application piston, and this outstanding protuberance is received in one of hollow protuberance on center sleeve.This device characteristic is, the hollow protuberance on center sleeve is included in the space of extending between the projection in the inside face of shoulder on center sleeve and center sleeve.
Relying on ，Cong of the present invention center inserting or withdrawing sleeves piston is easily, this be due to apply keep the elastic element of the power of piston in center sleeve be arranged on piston from it, by its ordinary construction, it has better elastic characteristic.This structure, by simplifying its structure and allowing simple dismounting piston, can reduce the cost of production of center sleeve.And during the initial deformation after installation piston is in center sleeve, the elastic loss of tongue is reduced, it has improved the reliability of device.
According to preferred but optional aspect of the present invention, this device can, in conjunction with one or more following feature, adopt the combination of any technical permission:
-outstanding the protuberance that is arranged on tongue comprises a surface, and this surface tilts with respect to the longitudinal axis of application piston, and for engagement clutch diaphragm with respect to the part of rotation raceway from then on axis remove.
-in application piston is arranged on center sleeve time, the inclined surface of the resilient tongue of application piston is along the longitudinal axis of application piston, outwards open surface engagement with respect to the end of application piston and center sleeve.
-application piston is made by plastic materials.
Accompanying drawing explanation
Other advantage of the present invention will more clearly present according to the description of the principle of following coupling disengage device, with reference to accompanying drawing, provides non-limiting example, wherein:
-Fig. 1 is the perspective view according to coupling disengage device of the present invention;
-Fig. 2 is the front elevation of the device in Fig. 1;
-Fig. 3 is the sectional view along the planar I II in Fig. 1 of device in Fig. 1 and 2;
-Fig. 4 is the perspective view of the device in Fig. 1 and 3, and its application piston is shown in exploded view;
-Fig. 5 is the front elevation of the center sleeve of coupling disengage device according to a second embodiment of the present invention;
-Fig. 6 is the cross-sectional view of the part of the sleeve pipe in Fig. 5;
-Fig. 7 is the front elevation of part of center sleeve of the coupling disengage device of a third embodiment in accordance with the invention;
-Fig. 8 is the cross-sectional view of the center sleeve of Fig. 7.
Embodiment
Coupling disengage device D shown in Fig. 1-Fig. 4 comprises the bearing 2 with fixing interior raceway 21 and the outer raceway 22 of rotation.Between interior raceway 21 and outer raceway 22, rolling element is installed, as ball 23, it allows outer raceway 22 with respect to 21 rotations of raceway in fixing.Ball 23 is installed in retainer 25.The Sealing 27 with metal reinforcement 270 is arranged between interior raceway 21 and outer raceway 22, and object is to stop the particle have to damage this class character of ball 23 and raceway 21 and 22 internal surfaces to enter, close ball 23.In unshowned modified example, outer raceway 22 can be with respect to interior raceway 21 rotations.
When device D is driven, outer raceway 22, by axis X-X' translation of the arrow F representative along in Fig. 3, contacts with the beak E of clutch diaphragm.This application piston 4 that moves through can obtain, and especially by hydraulic pressure or electric device, drive, and it is rotated the interior raceway 21 of fixing and moving to bearing 2.Application piston 4 is fixed to interior raceway 21 by center sleeve 6, and center sleeve 6 is tubular form, comprises shoulder 60 and U-shaped cross-section part 62.Shoulder 60 contacts with the fixing annular portion 210 of raceway 21 smoothly, and at geometric similarity, the side in the axis X-X' of the part 220 of outer raceway 22 extends upward described annular portion 210.
In order to rotate fixedly application piston 4 and to move to center sleeve 6, center sleeve 6 comprises hole 64, and it arranges the wall through the sleeve pipe 6 on application piston 4 opposites.Described sleeve pipe preferably includes a plurality of along the well-balanced isolated hole 64 of its circumference.For example, as shown in Figure 4, center sleeve 6 preferably includes 3 holes 64.
Application piston 4 comprises resilient tongue 44 on the exterior face 42 on inside face 61 opposites of center sleeve 6.These tongues 44 are included in the free end 440 of the direction orientation of shoulder 60.These tongues 44 they free end 440 places each be included in the outstanding protuberance 442 in axis X-X' opposite, and be bonded in one of center sleeve 6 Nei holes 64.By the cooperation in outstanding protuberance 442Yu hole 64, application piston 4 is by translation and be fixed to rotatably center sleeve 6.Application piston 4 preferably includes some resilient tongue 44, and its quantity equates that with the quantity of through hole 64 in center sleeve 6 the identical like that angular distribution in ，Qie Yiyu hole 64 position.
According to the modified example shown in Fig. 4, application piston 4 comprises several groups of each tongues 44 corresponding to hole 64.Preferably, application piston 44 comprise three to each the tongue 44 corresponding to through hole 64.
In order to pin application piston 4 with respect to center sleeve 6, along the translation of axis X-X', each comprises outstanding protuberance 442 with respect to free end 440 and is substantially perpendicular to axis X-X' rear surface 444.Rear surface 444 is oriented in rear edge 640 opposites in one of hole 64 of center sleeve.Cooperation between surperficial 444He edge 640 can limited piston 4 with respect to the translation of the sleeve pipe 6 in the opposite direction at arrow F.In the error of manufacturing and assembling, at shoulder 60 and surface, the distance d6 along axis X-X' intercepting between 640 is substantially equal to apart from d4, described d4 be the piston 4 perpendicular to axis X-X' above 46 with tongue 44 below between 444, along same axis, intercept.
In the direction of arrow F, piston 4 is locked by shoulder 60 with respect to the translation of sleeve pipe 6, and it is used as 46 retainer above.
In order to aid in the interior installation application piston 4 of center sleeve 6.Each outstanding protuberance 442 comprises and axis X-X' shape inclined surface 446 at angle.These surfaces 446 are removed with respect to annular portion 220 from axis X-X', for the beak E with on clutch diaphragm coordinates.
When application piston 4 is installed in center sleeve 6, piston 4 more closely moves to one end 66 of center sleeve 6 along axis X-X', and surface is outwards opened in its carrying, as circular surface 660.When application piston 4 is spliced into center sleeve 6 when interior, the inclined surface 446 of the protuberance 442 of tongue 44 coordinates with circular surface 660, and it has the effect of the tongue 44 of retracting in axis X-X' direction.Therefore application piston 44 can be directed in the center sleeve 6 in arrow F direction, and the inside face 61 of center sleeve 6 reacts on the elastic force being applied by tongue 44.When meet in outstanding protuberance 442Yu hole 64, tongue 44 is flexibly expanded, to such an extent as to outstanding protuberance 442 is received in hole 64.In this structure, tongue 44 by outstanding protuberance 442 rotation and translation fixed piston 4 in sleeve pipe 6.
According to preferred embodiment, application piston 4 is made by plastic materials.In a modified example, application piston 4 can be metal.
Above-described structure is particularly useful for from center sleeve 6 dismounting application pistons 4.This is because the outstanding protuberance 442 of taking out of by through hole 64 can be retracted them, to leave clean hole 64, and by the translation of the axis X-X' in the direction with respect to arrow F, from center sleeve 6, regains application piston 4.
The second embodiment of the present invention illustrates Fig. 5 and 6 kinds.In this embodiment, similar in appearance to first embodiment's element, there is identical mark, and work in an identical manner.The difference that in contrast to the first embodiment is only described in detail in detail below.
In this embodiment, the hollow protuberance on center sleeve 6 is not through hole, but along the groove 610 extending on the surface, inside 61 of center sleeve 6.Groove 610 preferably extends on the whole circumference on inner surface 61.In unshowned modified example, groove 610 can only extend along a part for inner surperficial 61 circumference.
Groove 610 comprises the axial surface 612 perpendicular to axis X-X', and is arranged on the shoulder 60 opposite of sleeve pipe 6.This surface 612 is suitable for coordinating with the surface 444 of the tongue 44 of application piston 4.
The 3rd embodiment of the present invention is shown in Fig. 7 and 8.In this embodiment, sleeve pipe 6 comprises projection, and only one of them is depicted as label 614, and the internal surface 61 of its center sleeve 66 in the same side of the end 66 with sleeve pipe 6 extends.These projections are extended in the restricted part of the circumference of center sleeve, and define the axial surface 615 with respect to shoulder 60, and are suitable for coordinating with the surface 444 of tongue 44 on application piston 4.Hollow protuberance is included in the space 68 of extending between shoulder 60 and projection 614.Some identical projections 614 can be distributed on the circumference of internal surface 61 of center sleeve 6, object be each with the tongue 44 of the equal amount of application piston 4 or tongue 44 to coordinating.
Claims (4)
1. coupling disengage device (D), comprising:
-thering is the bearing (2) of ball (25), it comprises fixing raceway (21) and the raceway (22) that is suitable for the rotation contacting with clutch diaphragm (E) and/or can revolves,
-be fixed on the fixedly center sleeve (6) of raceway (21),
Be fixed to-rotation and translation the application piston (4) of center sleeve (6),
Center sleeve (6) comprises hollow protuberance (64 in inside face (61); 610; 68), application piston (4) comprises resilient tongue (44) on the exterior face (42) on inside face (61) opposite of center sleeve (6), free end (440) the carrying protuberance (442) outstanding with respect to longitudinal center's axis (X-X') of application piston (4) of resilient tongue (44), described outstanding protuberance (442) is received in the hollow protuberance (64 of center sleeve (6); 610; 68) one of, it is characterized in that, the hollow protuberance on center sleeve (6) is included in the space (68) of extending between the projection (614) on the surface, inside (61) of shoulder (60) on center sleeve (6) and center sleeve.
2. device according to claim 1, it is characterized in that, the outstanding protuberance (442) being arranged on tongue (44) comprises surface (446), described surface (446) tilts with respect to the longitudinal axis (X-X') of application piston (4), and the part (220) with respect to rotation raceway (22) is removed from described axis, to coordinate with clutch diaphragm (E).
3. device according to claim 2, it is characterized in that, when application piston (4) is installed in center sleeve (6), the inclined surface (446) of the resilient tongue (44) of application piston (4) coordinates along the longitudinal axis (X-X') of application piston (4), the surface (660) of outwards opening of locating with the end (66) of center sleeve (6) with respect to application piston (4).
4. according to the device of one of aforementioned claim, it is characterized in that, application piston (4) is made by plastic materials.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1256002 | 2012-06-25 | ||
| FR1256002A FR2992383B1 (en) | 2012-06-25 | 2012-06-25 | CLUTCH STOPPING DEVICE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103511501A true CN103511501A (en) | 2014-01-15 |
Family
ID=46650788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310256912.0A Pending CN103511501A (en) | 2012-06-25 | 2013-06-25 | Clutch release bearing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103511501A (en) |
| FR (1) | FR2992383B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019200509A1 (en) * | 2018-04-16 | 2019-10-24 | 舍弗勒技术股份两合公司 | Bearing, clutch operation mechanism, and clutch |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3027645B1 (en) | 2014-10-24 | 2018-03-02 | Aktiebolaget Skf | PULLEY DEVICE FOR CHAIN OR BELT AND MOTOR VEHICLE EQUIPPED WITH SUCH A DEVICE |
| DE102016204280A1 (en) * | 2015-04-20 | 2016-10-20 | Schaeffler Technologies AG & Co. KG | operation seat |
| DE102018116135A1 (en) * | 2018-07-04 | 2020-01-09 | Schaeffler Technologies AG & Co. KG | Release device with openings for retaining ring |
| FR3112829B1 (en) | 2020-07-23 | 2022-11-18 | Skf Svenska Kullagerfab Ab | Release bearing and rolling bearing for release bearing |
| FR3112828B1 (en) | 2020-07-23 | 2022-11-11 | Skf Svenska Kullagerfab Ab | Release bearing and rolling bearing for release bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2200684A1 (en) * | 1971-02-04 | 1972-08-10 | Ford Werke Ag | Mechanical clutch |
| US4815867A (en) * | 1987-09-23 | 1989-03-28 | Federal-Mogul Corporation | Side assembled clip for self-aligning bearing |
| FR2516617B1 (en) * | 1981-11-14 | 1989-05-05 | Skf Kugellagerfabriken Gmbh | HYDRAULIC CLUTCH CONTROL DEVICE |
| EP1489327A1 (en) * | 2003-06-18 | 2004-12-22 | Aktiebolaget SKF | Clutch release device and method of assembly |
| DE102008053615A1 (en) * | 2008-10-29 | 2010-05-06 | Schaeffler Kg | Bearing holder for a clutch operating bearing |
-
2012
- 2012-06-25 FR FR1256002A patent/FR2992383B1/en active Active
-
2013
- 2013-06-25 CN CN201310256912.0A patent/CN103511501A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2200684A1 (en) * | 1971-02-04 | 1972-08-10 | Ford Werke Ag | Mechanical clutch |
| FR2516617B1 (en) * | 1981-11-14 | 1989-05-05 | Skf Kugellagerfabriken Gmbh | HYDRAULIC CLUTCH CONTROL DEVICE |
| US4815867A (en) * | 1987-09-23 | 1989-03-28 | Federal-Mogul Corporation | Side assembled clip for self-aligning bearing |
| EP1489327A1 (en) * | 2003-06-18 | 2004-12-22 | Aktiebolaget SKF | Clutch release device and method of assembly |
| DE102008053615A1 (en) * | 2008-10-29 | 2010-05-06 | Schaeffler Kg | Bearing holder for a clutch operating bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019200509A1 (en) * | 2018-04-16 | 2019-10-24 | 舍弗勒技术股份两合公司 | Bearing, clutch operation mechanism, and clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2992383B1 (en) | 2015-12-11 |
| FR2992383A1 (en) | 2013-12-27 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20140115 |