Source: https://patents.google.com/patent/GB2099102A/en
Timestamp: 2019-11-13 13:17:43
Document Index: 219412873

Matched Legal Cases: ['arts 35', 'arts 85', 'arts 9', 'arts 14', 'arts 14', 'art 95', 'art 29', 'arts 14', 'art 14', 'art 9', 'art 9', 'art 12', 'art.\n3', 'art.\n7', 'art.\n11', 'art.\n14']

GB2099102A - Releasable coupling device for clutch release mechanism - Google Patents
Releasable coupling device for clutch release mechanism Download PDF
GB2099102A
GB2099102A GB8220713A GB8220713A GB2099102A GB 2099102 A GB2099102 A GB 2099102A GB 8220713 A GB8220713 A GB 8220713A GB 8220713 A GB8220713 A GB 8220713A GB 2099102 A GB2099102 A GB 2099102A
GB8220713A
GB2099102B (en
1979-04-20 Priority to DE2915989A priority Critical patent/DE2915989C2/de
1980-04-17 Application filed by Fichtel and Sachs AG filed Critical Fichtel and Sachs AG
1982-12-01 Publication of GB2099102A publication Critical patent/GB2099102A/en
1983-11-16 Publication of GB2099102B publication Critical patent/GB2099102B/en
GB 2 099 102 A 1
SPECIFICATION Releasable coupling device
The invention relates to a coupling device for the easy connection or disconnection of the 5 release mechanism of a drawn motor vehicle clutch during the assembly or dismantling of the gearbox and the engine, the device consisting of an antifriction bearing with a bearing ring, which is intended for rotation with the release parts of the 10 clutch, as well as a non-rotating bearing ring, a gearbox-end guide that is coaxial with the driven shaft, a means which transmits the throw-out force from the gearbox through the antrifriction bearing to the release parts of the clutch. 15 From German Offenlegungsschrift 2613952, it is already known to use a frictional snap connection during the fitting-together of the engine and the gearbox for the transmission of the throw-out forces. However, the disadvantage of 20 such a snap connection is the fact that when the engine and the gearbox are dismantled, a relatively high force has to be applied, which has to be considerably in excess of the throw-out force and which causes difficulties not only when one of 25 the two units is still installed in the motor vehicle.
It is the object of the present invention to provide a coupling device for a drawn motor vehicle clutch which can be easily put into action, both during the fitting-together and the separation 30 of the engine and the gearbox, and which allows the use of a clutch housing which is integrally formed with the gearbox.
Within the scope of the invention, provision is made that two coaxial release mechanism parts 35 between the gearbox and the release parts of the clutch can be positively interlocked and unlocked by an interlocking device in the axial direction from the outside.— e.g. through an assembly hole in the gearbox housing. Due to this positive 40 interlocking, a satisfactory transmission of the throw-out force between the gearbox and the corresponding release parts of the clutch is ensured. An actuation of the interlocking device — e.g. through an assembly hole in the gearbox 45 housing — is the simplest and most reliable method.
According to the invention, it is furthermore proposed that the separation point of the two coaxially arranged parts should be provided 50 between the rotating antifriction bearing ring and the throw-out parts of the clutch. Such a construction has the advantage that the entire release mechanism can be pre-assembled on the gearbox-end guide prior to the assembly of the 55 engine and the gearbox and that after the fitting-together thereof only the connection between the rotating antifriction bearing ring and the throw-out parts of the clutch has to be established.
Another advantage of the invention is to be 60 seen in that the separation point of the two coaxially arranged parts is provided between the non-rotating antifriction bearing ring and the guide at the gearbox end. Due to such a construction, which can be used particularly advantageously in
65 connection with a hydraulic clutch control, the entire release mechanism is pre-assembled on the throw-out parts of the clutch, the diaphragm spring tongues or the release levers and, after the gearbox and the engine have been fitted together, 70 the interlocking between the gearbox-end guide and the axially stationary parts of the release device is effected.
The invention furthermore provides for the interlocking of the two coaxial parts to be effected 75 by a clamp which is fixed in the external part and which engages in a corresponding groove in the internal part. The clamp consists substantially of two legs which extend approximately parallel to each other and which are interconnected, on the 80 one hand, and which, on the other hand, are fixed, at least in the unlocked state, in the external part by form-locking or force-locking. Such a clamp is a component which can be easily produced and its fixing in the external part of the two coaxial parts 85 in the unlocked state allows a very easy fitting-together of the engine and the gearbox since, for interlocking, this clamp only has to be shifted from its pre-assembled position to the interlocked position.
90 According to the invention, the fixing of the clamp in the interlocked state is effected in the zone of the free ends of the legs.
However, it is also possible to transpose the fixing of the clamp in the interlocked state to the 95 connection zone of the two legs of the clamp.
The two coaxial parts which are to be interlocked are so constructed that vertically to the longitudinal axis the external part has two opposite incisions, whose distance from each 100 other corresponds to the diameter of the groove depth of the internal part; these two incisions each having, due to the internal bore in the external part, one opening and there being arranged in the direction of insertion of the clamp, upstream of the 105 openings, notches for arches provided at the ends of the legs for fixing in the unlocked state, and the arches abutting, in the interlocked state, the external circumference of the external part beyond the openings. Due to this design, a pre-assembly 110 of the clamp is possible and, for effecting the interlocking, this clamp only has to be displaced in the incisions in the external part; the positions of these two coaxial parts relative to each other, viewed in the circumferential direction, being t T 5 immaterial. The arches at the ends of the legs of the clamp serve not only for fixing in the unlocked state during assembly or dismantling but they serve at the same time for securing purposes in the interlocked state by embracing the external 120 circumference of the external part beyond the openings.
However, it is also readily possible, for fixing the clamp at least in the interlocked state, to provide the external part with an outwardly 125 projecting web, which has an inwardly pointing groove, approximately in alignment with the incisidns or the bores, in which groove the connection zone of the two legs of the clamp engages.
GB 2 099 102 A 2
If the two conical parts to be connected are also subjected to a rotary movement during the rotation of the clutch, it is particularly advantageous to arrange the two legs of the 5 clamp so that they are relieved from the centrifugal force, this centrifugal force relief being realised, for example, by carrying the legs in appropriate bores or by the mutual engagement of the free ends of the legs of the clamp, which ends 10 are provided with hooks. As another possibility of interlocking the two coaxial parts, the invention provides for several cylindrical interlocking elements which are distributed on the circumference and which are carried in radial 15 bores in the external part and which engage in a groove or in corresponding bores in the internal part. For fixing these interlocking elements, there may be used, on the one hand, an open clamp or a stiff ring which, for interlocking, can be placed in 20 the axial direction over these interlocking elements. It is expedient that each of these interlocking elements should be spring-loaded in the direction of unlocking so that, upon unlocking, these interlocking elements are automatically 25 taken to their unlocked positions.
Instead of being axially displaced, the securing element may be rotated in the circumferential direction; for this purpose, it will then have zones of varying diameters, the zones which are larger in 30 diameter corresponding to the unlocked state of the interlocking elements.
A particularly favourable constructional form provides for the interlocking elements to be fixedly connected to a ring-shaped, open spring band 35 which is biassed in the direction of interlocking. All the interlocking elements are combined with the spring band in one unit.
By an appropriate design of the radially external part, it is here possible in a particularly simple 40 manner to engage the open spring band with two interlocking elements, which are directed towards the open ends, in a pre-assembly position so as to allow the engagement to be effected in as simple an operation as possible.
45 The invention wili be explained in more detail with reference to the exemplified embodiments shown in the Figures, in which:—
FIGURE 1 shows a longitudinal section through a complete clutch with the release device as well 50 as the adjoining zones of the gearbox housing and the engine housing;
FIGURES 2 and 3 show a spring clamp in the unlocked and interlocked states;
FIGURES 4 and 5 show a construction with a 55 rotating clamp and legs which are relieved from the centrifugal force;
FIGURES 6 and 7 show a different construction of a clamp which is relieved from the centrifugal force;
60 FIGURE 8 shows a unilaterally open spring band with riveted-on pins for the transmission of the throw-out force;
FIGURE 9 shows several pins which are radially outwardly biassed by spring force and are 65 provided with a spring washer which keeps the pins in the interlocked position;
FIGURE 10 shows a construction similar to that of Fig. 9 with a stiff, axially displaceable ring for fixing the pins in the interlocked position;
FIGURE 11 shows a construction similar to that described in Figs. 9 and 10 and provided with a stiff rotatable ring having zones of different outside diameters.
In Fig. 1, there is shown a section through a clutch having a hydraulically actuated release system, both arrangements being accommodated in the gearbox housing 2. The gearbox housing 2 is flanged to the engine housing 1 in its end zone that is directed towards the gearbox. The clutch consists of a flywheel 3 which is flanged to the crank shaft not shown, a clutch housing 6, a clutch disc 5 which is non-rotatably connected to the driven shaft 10, a diaphragm spring 7 which, by its biassing, loads a pressure plate 4 in the direction of the flywheel 3, for clamping the clutch disc 5. Due to the support of the diaphragm spring 7, on the external circumference thereof, on the housing 6 and, on a circumference thereof that is located radially farther to the inside, on the pressure plate 4, the diaphragm spring tongues have to be moved away from the clutch for the release of the clutch. For this purpose, the release mechanism consists of the antifriction bearing 11, whose rotating bearing ring 14 engages through an abutment 19 behind the diaphragm spring tongues. The non-rotating bearing ring 13, which is connected to the rotating bearing ring 14 by appropriate rolling members, is provided with a cylindrical extension 16 which, together with the hydraulic piston 15 and the hydraulic cylinder 12, allows a release movement in the axial direction. The hydraulic cylinder 12 is provided with a hydraulic connection 20 which leads, for example through a flexible line, to the outside'and can be operated from the clutch lever of the motor vehicle. With its cylindrical external circumference that is directed towards the gearbox, the hydraulic cylinder 12 is coaxially inserted in a gearbox-end guide 9 and is fixed therein in the axial direction by a clamp 18. This clamp 18 may be carried, for example, in the gearbox-end guide 9 in appropriate incisions 21 as well as in a groove 17 in the hydraulic cylinder 12, as described in more detail in Figs. 2 and 3. Furthermore, a corrugated spring 27 is arranged for clearance compensation between the front end of the gearbox-end guide 9 and a corresponding step on the hydraulic cylinder 12.
Prior to the fitting-together of the engine and the gearbox, all parts of the release device are pre-assembled on the clutch. Thus, the antifriction bearing 11 which, through the extension 16, is integrally formed with the hydraulic control, is connected to the diaphragm spring 7 through the rotating bearing ring 14 and the abutment 19 embracing the diaphragm spring 7. Likewise, the clamp 18 is pre-assembled in the gearbox-end guide 9, as will still be described in detail later. Now the engine and the gearbox are joined so that, on the one hand, the bore in the gearbox-end
GB 2 099 102 A 3
guide 9 is placed over the outside diameter of the hydraulic cylinder 12 and, on the other hand, the engine housing 1 and the gearbox housing 2 are mutually aligned through their common collar 48.
5 When the engine and the gearbox housings have been screwed together, the clamp 18 is so displaced in the incisions 21 that it penetrates the groove 17 in the hydraulic cylinder 12 and an axially fixed connection between the gearbox-end 10 guide 9 and the throw-out system in the form of the hydraulic cylinder 12 has thus been established. The accessibility to the clamp 18 is ensured by the assembly hole 8 in the gearbox housing 2. The dismantling of the clutch and the 15 gearbox is effected in the same way in the reverse order.
Figs. 2 and 3 show the basic construction of the clamp 18 with a section through the two parts 9 and 12 which are to be connected and are coaxial 20 with each other. In the guide 9 at the gearbox end, there are provided the two opposite incisions 21 which are equal to or slightly wider than the thickness of the material of the clamp 18. These incisions 21 are so far removed from each other 25 that they pierce the inside diameter of the gearbox-end guide 9 in openings 23 and are aligned with the bottom of the groove 17 in the hydraulic cylinder 12. For the preparation of the assembly, the spring 18 is attached with its two 30 arches 25, which are provided at the free ends of the legs 2, in corresponding notches 24 in the gearbox-end guide 9. After the engine and gearbox housings have been assembled, the spring 18 is pushed, at the connection zone 26 of the two legs, 35 into the incisions 21 until the arches 25 embrace the outside diameter of the gearbox-end guide 9 beyond the incisions 21 in a hook-like manner and the clamp is thus fixed.
In Figs. 4 and 5, there is shown an interlocking 40 device wherein the partition is arranged between the revolving antifriction bearing ring 14 and the diaphragm spring 7. The antifriction bearing 11 is connected through its non-rotating bearing ring to the release system in a manner that is not shown 45 in detail. The rotating bearing ring 14 has an outside diameter which corresponds to the inside diameter of the ring 29 and is coaxial therewith. As can be seen in Fig. 5, in particular, there are provided in the bearing ring 14 the groove 17 and 50 in the ring 29 two incisions 21 like those of Figs. 2 and 3. In the bearing ring 14, there are also provided the two notches 24 for fixing the clamp 18, through the arches 25 thereof at the ends of the two legs 22, during the assembly or 55 dismantling operation. The ring 29 is in this connection fixedly connected to the diaphragm spring 7 through the abutment 19, while the antifriction bearing 11 is arranged through an appropriate release device in the gearbox housing. 60 Due to the fact that both the ring 29 and the bearing ring 24 rotate during operation, the legs 22 of the clamp 18 are relieved from the centrifugal force by the arrangement of two pins 28 parallel to the axis of rotation of the clutch, 65 namely in the ring 29 laterally of the two ends of the legs 22. During the assembly or dismantling of such a construction, attention must be paid that the position of the ring 29 is so aligned that the clamp 18 can be reached via its connection zone 70 26 through an assembly hole in the gearbox housing and can be moved in and out through this hole.
Another construction of an interlocking device is shown in Figs. 6 and 7. This relates also to the 75 connection of two rotating parts which are concentric with each other and are arranged at any point between the release bearing and the release parts of the clutch. The internal part, for example the rotating bearing ring 14, is provided 80 with the groove 17, while the ring 29 is provided with two parallel bores 30, in which the legs 22 of the clamp 31 engage. Due to the provision of these two bores 30, the spring 31 is relieved from the centrifugal force, and due to the arrangement 85 of a web 32 on the ring 29 with a groove 33, the clamp 31 can be fixed with its connection zone 26 also in the direction of insertion. A corrugated spring 27 is connected in the axial direction between the two parts 14 and 29 for clearance 90 compensation.
Another constructional form can be seen in Fig. 8. The two coaxial parts 14 and 29 thereof have been constructed in such a way that the groove 17 is provided in the outside diameter of the part 95 14, as already known. However, the part 29 has three radial bores 36, which are approximately evenly distributed on the circumference and in-to which there can be introduced corresponding pins 34 which extend as far as the groove 17. All three 100. pins 34 are interconnected by the spring band 35. To facilitate assembly and dismantling, this spring band 35 is open at one end. The two bores 36 in the ring 29 which are nearest to the opening in the spring band 35 are shortened in the section that is 105 directed towards the third pin (shortened side . wall 37), this shortened side wall 37 merging respectively in an approximately tangentially extending base surface 38. In the two base surfaces 38, there are provided in the zone that is 110 remote from the shortened side wall 37 detent depressions 39, in which the two pins 34 are placed during the assembly or dismantling of the engine and the gearbox. If these detent depressions 39 are made appropriately flat, then 115 the spring band 35 can be easily inserted, with its pins 34, into the detent position after the assembly has been effected.
In Fig. 9, there is shown an exemplified embodiment in which the pins 41 are pre-loaded 120 in the direction of opening by respectively one spring 40 of their own. Herein, the interlocking between the two coaxial parts 14 and 29 is effected by the fitting of the spring ring 42 which is so designed that the pins 41 are moved, against 125 the biassing force exerted by the springs 40, in the bores radially inwards into corresponding bores 47 in the coaxial part 14. However, these bores 47 may also be designed as circular grooves. Due to the springs 40, this interlocking device returns the 130 pins 41 automatically to their positions of opening
GB 2 099 102 A 4
by the removal of the spring ring 42.
In Fig. 10, there is shown a modification of the embodiment shown in Fig. 9, wherein the pins 41 are held in their interlocked positions, against the 5 biassing force exerted by their spring 40, by a stiff ring 43, which is arranged on the coaxial part 9 so as to be axially displaceable. This ring 43 is normally held in this position by a closing spring 44. It is supported on a stop 45. The other 10 components of this interlocking device basically equal those discussed earlier.
Fig. 11 shows an interlocking device in two positions, wherein the stiff ring 46 has, for holding down the pins 41 against the force exerted by the 15 springs 40, zones of unequal outside diameters. In the zones 50, the ring 46 has an inside diameter which equals the outside diameter of the coaxial part 9. In this zone, the ring 46 holds the pins 41 in the bores 36 in the interlocked position so that 20 they project into the bores 47 of the coaxial part 12. By a corresponding rotation of the ring 46, the zones 49 with their larger diameters are rotated over the pins 41 so that, due to the spring force exerted by the springs 40, these can be moved 25 from their interlocked positions.
The interlocking connections shown in the Figures allow a reliable positive connection between the release mechanism, which is mounted in any desired way in the gearbox 30 housing, and the throw-out parts of the clutch. As compared to the prior art, it can be clearly established during the fitting of the clamps or the pins whether or not the transmission elements are satisfactorily engaged in their operating positions. 35 In addition, this interlocking connection can only be undone when the interlocking elements have been removed by hand from their operating positions.
40 1. A releasable coupling device for a friction clutch which can be secured to an engine of a motor vehicle and whose rotating release element can be drawn towards the gearbox for the disengagement of the clutch, the device 45 comprising an antifriction bearing, whose rotating bearing ring is coupled with the release element and whose stationary bearing ring is carried on the gearbox so as to be displaceable substantially coaxially with the axis of rotation of the clutch, 50 and comprising an actuating member which acts in a pulling manner between the gearbox and the stationary bearing ring, and comprising a detachable connection between two parts, which extend approximately coaxially with the axis of 55 rotation of the clutch and engage one within the other and form part of the actuating force path leading from the gearbox through the actuating member and the antifriction bearing to the release element, wherein the two coaxial parts have at 60 least one recess which is open towards the outside circumference of the external part and extends into the internal part, for a lock which is introduceable from the outside and which positively interlocks the two parts in the axial
65 direction.
2. A releasable coupling device as claimed in claim 1, wherein the internal part has a circumferential groove which extends at least over a portion of its external circumference, and in that 70 the external part has at least one passage opening, which leads from the outside into the circumferential groove, for a leg of a lock clamp which embaces the external part and is fixed on the external-part.
3. A releasable coupling device as claimed in claim 2, wherein the passage opening opens, with its end that is directed towards the clutch pivot, approximately tangentially into the circumferential groove.
4. A releasable coupling device as claimed in claim 3, wherein the passage opening is formed by an elongate incision which extends in the circumferential direction and has a bottom which passes tangentially to the circumferential groove. 85
5. A releasable coupling device as claimed in claim 3, wherein the passage opening is formed as a bore which passes tangentially through the circumferential groove.
A releasable coupling device as claimed in 90 claim 3, wherein the lock clamp comprises two legs which project from a connection part and extend approximately in parallel and which are taken via passage openings on diametrically opposite sides of the external part through the 95 circumferential groove of the internal part.
7. A releasable coupling device as claimed in claim 6, wherein at the free ends of the legs there are provided detent noses which engage the lock clamp in the external part in the longitudinal
100 direction of the circumferential groove.
8. A releasable coupling device as claimed in claim 7, wherein the passage openings are provided, between their opening that is directed towards the circumferential groove and their
105 opening that is directed away from the free end of the legs, with detent recesses for the engagement of the detent noses provided at the free ends.
9. A releasable coupling device as claimed in claim 7, wherein the free ends of the legs, which
110 are carried in the passage openings of the external part tangentially through the circumferential groove of the internal part, engage behind the external part radially from the outside.
10. A releasable coupling device as claimed in 115 claim 9, wherein the free ends of the legs are provided with hooks which embrace radially from the inside detent projections which axially project from the external part.
11. A releasable coupling device as claimed in 120 claim 6, wherein the external part has an axially projecting detent projection which engages behind the connection part of the lock clamp in the position of the lock clamp that connects the two parts on the side that is directed away from 125 the legs.
12. A releasable coupling device as claimed in claim 11, wherein the detent projection has a radially inwardly pointing groove, in which the connection part engages.
GB 2 099 102 A 5
13. A releasable coupling device as claimed in claim 1, wherein the lock has several pins which are displaceably carried in radial bores, distributed over.the circumference, in the external part and
5 which are kept in engagement with a circumferential groove or associated bores in the internal part by a retaining ring which encloses the external part.
14. A releasable coupling device as claimed in 10 claim 13, wherein the retaining ring is an open spring ring, to which the pins are fixedly attached.
15. A releasable coupling device as claimed in claim 14, wherein three pins are attached to the spring ring so as to be approximately symmetrical
15 about the ends of the spring ring, and wherein the pins which are nearest to the ends sit in bores in the external part, the side walls of which bores that are directed towards the central pins in the circumferential direction are shortened for the 20 formation of introductory faces for the external pins.
16. A releasable coupling device as claimed in claim 15, wherein the introductory faces extend approximately vertically to the associated bores
25 and are provided with detent depressions for the radially inwardly located front ends of the pins.
17. A releasable coupling device as claimed in claim 13, wherein the retaining ring is carried on the external ring in an axially displaceable manner.
18. A releasable coupling device as claimed in claim 17, wherein the retaining ring is closed and is biassed by a spring to its position in which it radially covers the pins.
19. A releasable coupling device as claimed in 35 claim 13, wherein the retaining ring is designed as a closed ring which is rotatably held on the external part and which has on its internal circumference, at the points of the pins widened diameters, which are adjoined in the direction of 40 rotation by zones of smaller diameter.
20. A releasable coupling device as claimed in claim 13, wherein the pins are radially outwardly biassed by means of springs.
21. A releasable coupling device as claimed in 45 claim 1, and wherein the lock is accessible from outside through a hole in the housing of the gearbox.
22. A releasable coupling device as claimed in claim 1, wherein the lock couples the rotating
50 bearing ring of the antifriction bearing with a release pull ring of the clutch.
23. A releasable coupling device as claimed in claim 1, wherein the lock couples a guide tube on the gearbox with a hydraulic cylinder of the
55 actuating member.
24. A releasable coupling device for a friction clutch substantially as described herein with reference to the accompanying drawings.
GB8220713A 1979-04-20 1980-04-17 Releasable coupling device for clutch release mechanism Expired GB2099102B (en)
DE2915989A DE2915989C2 (en) 1979-04-20 1979-04-20
GB2099102A true GB2099102A (en) 1982-12-01
GB2099102B GB2099102B (en) 1983-11-16
ID=6068805
GB8012705A Expired GB2046864B (en) 1979-04-20 1980-04-17 Releasable coupling device
GB8220713A Expired GB2099102B (en) 1979-04-20 1980-04-17 Releasable coupling device for clutch release mechanism
US (1) US4344516A (en)
JP (1) JPH0130012B2 (en)
BR (1) BR8002395A (en)
DE (1) DE2915989C2 (en)
FR (1) FR2454386B1 (en)
GB (2) GB2046864B (en)
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1979-04-20 DE DE2915989A patent/DE2915989C2/de not_active Expired
1980-04-11 US US06/139,586 patent/US4344516A/en not_active Expired - Lifetime
1980-04-17 GB GB8012705A patent/GB2046864B/en not_active Expired
1980-04-17 GB GB8220713A patent/GB2099102B/en not_active Expired
1980-04-18 BR BR8002395A patent/BR8002395A/en unknown
1980-04-18 FR FR8009458A patent/FR2454386B1/en not_active Expired
1980-04-21 JP JP55051832A patent/JPH0130012B2/ja not_active Expired
GB2099102B (en) 1983-11-16
BR8002395A (en) 1980-12-02
GB2046864A (en) 1980-11-19
JPH0130012B2 (en) 1989-06-15
DE2915989C2 (en) 1987-02-12
DE2915989A1 (en) 1980-10-30
FR2454386A1 (en) 1980-11-14
JPS55142122A (en) 1980-11-06
GB2046864B (en) 1983-07-20
US4344516A (en) 1982-08-17
FR2454386B1 (en) 1987-02-06
GB2045367A (en) 1980-10-29 Transmission with a hydraulic coupling device and locking clutch suitable for a motor vehicle
GB2284025A (en) 1995-05-24 Friction clutch with wear compensation
DE10138722A1 (en) 2002-02-28 Power train for use in motor vehicle, couples rotary clutch disc selectively by rotating cylinder mounted on housing of disc with reference to housing of clutch
JPH09511317A (en) 1997-11-11 In particular method of assembling the locking clutch for hydrodynamic coupling device for a motor vehicle, the hydrodynamic coupling apparatus having a locking clutch and the locking clutch corresponding
DE60207949T2 (en) 2006-10-26 System and method for mounting a shaft in a cylindrical body
JPH09210087A (en) 1997-08-12 Clutch assembly
EP0369597A2 (en) 1990-05-23 Planet carrier assembly and method
FR2505955A1 (en) 1982-11-19 Device for the hydraulic maneuver of a traction friction clutch for motor vehicles