| Patent Number |
Title Of Patent |
Date Issued |
| 5314045 |
Fluid connecting assembly |
May 24, 1994 |
| According to an illustrative example of the invention a connecting pipe is provided with a cover face engaging an external cylindrical face of a cylinder. This cylinder includes a fluid chamber and is provided with a bore through the cylindrical face. The cover face is provided with a |
| 5307915 |
Fluid-actuable releaser for a friction clutch |
May 3, 1994 |
| The invention relates to a fluid-actuable releaser in which an annular piston (6) is guided in a casing (3) which is provided with a sleeve (10) for guiding the annular piston (6) radially internally and for sealing purposes, the sleeve (10) being axially fixed by partial plastic def |
| 5307710 |
Two-mass flywheel |
May 3, 1994 |
| The invention proposes a two-mass flywheel for the drive line of a motor vehicle. The two-mass flywheel comprises a torsional vibration damper with, distributed over the periphery, a plurality of coil springs (31, 31') which are braced on one another via sliding shoes (43). The sliding |
| 5301777 |
Combination of a vibration damper and a cap member |
April 12, 1994 |
| According to an illustrative example of the present invention, an end cap for a container of a vibration damper has a carrier sleeve. This carrier sleeve has an internal surface provided with axially extending ribs. The axially extending ribs have in a section containing the axis of the |
| 5301412 |
Vibration damper |
April 12, 1994 |
| A casing tube of a vibration damper is provided with a connecting sleeve extending substantially radially from the radially outer circumferential surface of the casing tube. At the location where the connecting sleeve is fastened to the casing tube, the casing tube is provided with a pla |
| 5287951 |
Hydraulically actuable releaser for a motor vehicle friction clutch |
February 22, 1994 |
| The invention relates to a hydraulically actuable releaser with an annular piston. The supporting ring co-operating with the annular piston and the groove sealing ring co-operating with the supporting ring have, at least in their radially outer region facing one another, an encircling |
| 5279183 |
Combination of a crankshaft and a flywheel |
January 18, 1994 |
| According to an illustrative example of the invention, a flywheel is screwed to a crankshaft by a central bolt. The flywheel and the crankshaft are further provided with radially extending teeth in opposite annular contact faces. These teeth are engaged such as to center the flywheel wit |
| 5277284 |
Container rod assembly |
January 11, 1994 |
| In a spring strut a piston rod is guided through a sealing ring which is accommodated within a groove. This groove has a localization line which has varying height above a reference plane axially fixed and orthogonal with respect to the axis of the cylinder of the spring strut. The groov |
| 5273501 |
Driving hub for a vehicle |
December 28, 1993 |
| The drive hub for a vehicle, particularly a bicycle, comprises a hub axle 1, a hub sleeve 9 adapted to rotate in relation to the hub axle 1 and a driver 13 mounted to rotate on the hub axle 1. The driver 13 drives the hub sleeve 9 through a friction gear 17 of which the first toroidal di |
| 5273143 |
Arrangement for operating a friction clutch of a motor vehicle, in particular of a truck |
December 28, 1993 |
| For emergency operation of an automatic friction clutch (3) of a truck which is operated during normal running by an electronic controller (9) via an electric motor driven actuator (11) and a hydraulic system (19, 21, 23), it is proposed that the clutch be controlled manually via a c |
| 5251736 |
Clutch plate for a motor vehicle friction clutch |
October 12, 1993 |
| A clutch plate for a motor vehicle friction clutch is proposed in which a lateral disc of a load torsional vibration damper of the clutch plate is radially centered on spring tongues which extend and project either axially or peripherally from a hub of the clutch plate. The spring tongue |
| 5249660 |
Clutch disc for a motor vehicle friction clutch |
October 5, 1993 |
| The clutch disc for a motor vehicle friction clutch comprises a hub (1) on which side discs (7, 9) are rotatably mounted, arranged axially spaced, rigidly joined together, carrying the clutch linings (17). A hub plate (19) joined with the hub (1) solid in rotation, but with rotary play, |
| 5238096 |
Clutch plate for a motor vehicle friction clutch |
August 24, 1993 |
| The invention relates to a clutch plate with a torsional vibration damper in which there is provided an entrained friction arrangement which acts before the transition from idling spring action into load spring action. During a reversal of the direction of rotation, the entrained frictio |
| 5236403 |
Driving hub for a vehicle, particularly a bicycle, with an infinitely variable adjustable transm |
August 17, 1993 |
| A driving hub for a vehicle, particularly a bicycle, comprising a hub axle, a hub sleeve enclosing the hub axle, a driver, a friction gear, a coupling arrangement as well as a control arrangement for infinitely variable adjustment of the transmission ratio of the friction gear, is provid |
| 5230415 |
Clutch plate for a motor vehicle friction clutch |
July 27, 1993 |
| In order to mount the lateral discs of a clutch plate, provided with a torsional vibration damper, of a motor vehicle friction clutch on a hub, there is provided a plastic ring (23) which is inserted with an annular part (29) into a central opening in one of the lateral discs. The plasti |
| 5215173 |
Hydrodynamic torque converter |
June 1, 1993 |
| The invention relates to a hydrodynamic torque converter with a lock-up clutch. The converter circuit is charged with converter fluid via two lines which may be reversed. A further liquid path which allows cooling of the piston of the lock-up clutch on its back via throttle channels is |
| 5211099 |
Slave cylinder for a hydraulic actuating system of a motor vehicle friction clutch |
May 18, 1993 |
| A slave cylinder of the annular cylinder type is proposed, whereof the annular piston (45) able to slide axially between an outer cylinder wall (29) and an inner cylinder wall (33) is sealed by a grooved sealing ring (53) with respect to the pressure chamber (37). In order to be able to |
| 5209334 |
Clutch disc |
May 11, 1993 |
| A clutch disc with torsional vibration damper is proposed in which synthetic plastics material guide parts are arranged between a hub disc protruding from a hub and two side discs arranged axially on both sides of the hub disc, which guide parts, stressed axially by a spring, fix the |
| 5205389 |
Clutch disk |
April 27, 1993 |
| The invention relates to a clutch disk for a friction clutch in which a load and an idling system are provided. The idling system is bridged over by teeth (2a, 4) in the load system. A load friction disk (23) which simultaneously makes direct contact with one (11) of the two covering |
| 5190501 |
Method of manufacturing bicycle chain thrower mechanism |
March 2, 1993 |
| In a chain thrower mechanism of a bicycle derailleur gear mechanism a parallelogram is formed by at least four parts. One of these parts is prefabricated by injection moulding with respective hinge portions. A second of these parts is formed with respective hinge portions by using on |
| 5190500 |
Chain thrower mechanism for bicycle gear change |
March 2, 1993 |
| In a chain thrower mechanism of a bicycle derailleur gear mechanism a parallelogram linkage is formed from plastics material at least part of the joints of which are plastic film hinges. |
| 5185543 |
Motor vehicle drive line torsional vibration damper |
February 9, 1993 |
| For damping torsion vibrations in the drive line of a motor vehicle which contains a torsion vibration damper (5) between its internal combustion engine (1) and its gearbox (11), there is coupled to the output of the torsion vibration damper (5) an electric motor driven torque buffer (23 |
| 5182962 |
Actuating force transmission unit for a gear change mechanism of a bicycle |
February 2, 1993 |
| According to an illustrative example of the invention a transmission lever for transmitting an actuating force from a pull cable to a push rod of a bicycle hub gear change mechanism is pivotally mounted on a housing. The housing is provided with a sleeve which sleeve is rotatable and axi |
| 5180039 |
Fluid passage unit |
January 19, 1993 |
| In an electromagnetically operated valve, the armature of a solenoid is arranged in substantial alignment with a valve seat surrounding a channel. The valve seat has a substantially planar surface. A valve member also having a substantially planar surface is provided to sealingly engage |
| 5167310 |
Hub part for a clutch disc |
December 1, 1992 |
| The invention relates to the production of a multi-part hub part for a clutch disc, wherein all parts are joined together by a weld. Different designs are possible, depending on the various welding processes. The apertures for damper springs can be produced very exactly in the hub disc |
| 5161295 |
Friction clutch unit and method of producing it |
November 10, 1992 |
| The invention relates to a method of assembling a friction clutch, wherein the clutch housing is centered with a cylindrical portion on a cylindrical guide of the flywheel and the axially correct position is found by axial application and measurement of the initial tension of the clutch |
| 5145471 |
Planet gear subunit of a planet gear unit |
September 8, 1992 |
| A planet wheel carrier is provided with planet wheels. The planet wheels are accommodated within radial windows of the planet wheel carrier, which radial windows extend in radial direction between a central cavity of the planet wheel carrier and the external surroundings thereof. The win |
| 5143190 |
Friction clutch unit and method of producing it |
September 1, 1992 |
| The invention relates to an apparatus of and a method of assembling a friction clutch structural unit wherein the clutch housing is centered with a cylindrical portion on a cylindrical guide of the flywheel and the axially correct position is found by axial application and measurement of |
| 5143189 |
Pawl-ratchet free-wheel mechanism for a bicycle hub |
September 1, 1992 |
| According to an illustratie example of the invention, a pawl-ratchet free-wheel mechanism has an inner rotor and an outer rotor. The outer rotor is provided with a pocket located in an inner circumferential face of the outer rotor. A pawl is pivotally mounted in the pocket. The pocket |
| 5127506 |
Clutch actuating system |
July 7, 1992 |
| According to an illustrative example of the invention, a foot pedal acts upon a first master cylinder and with delay upon a second master cylinder. Both master cylinders are connected with a slave cylinder which acts upon a clutch releaser. In a first range of movement adjacent the clutc |
| 5090542 |
Torsional oscillation damper |
February 25, 1992 |
| The torsional oscillation damper intended in particular for the driving train of a motor vehicle comprises a disc part 11 which is rotatable round an axis of rotation and a housing part 17 which is equiaxially rotatable relative to the disc part 11, at least partially surrounds the disc |
| 5086892 |
Hydrodynamic torque converter |
February 11, 1992 |
| The invention relates to a hydrodynamic torque convertor with a bridging coupling and a torsion spring arrangement. In the power path behind the torsion spring arrangement there is an auxiliary gyratory mass which makes it possible to reduce the vibration-related balancing-out process to |
| 5085307 |
Clutch disc |
February 4, 1992 |
| The invention relates to the construction of friction rings for clutch discs which peripherally have a substantially uniform material thickness and, in the region of the riveting, have groove-shaped, substantially radially extending indentations which are open to the front side, project |
| 5083981 |
Two-mass fly-wheel for a motor vehicle |
January 28, 1992 |
| The two-mass fly-wheel for a motor vehicle includes a first fly-wheel (3) rotatable about a rotation axis (1) and containing, axially on one side, a chamber (13) limited by a substantially cylindrical inner circumferential wall (11). A second fly-wheel (7) is coaxially mounted on the fir |
| 5080215 |
Torsion vibration damper |
January 14, 1992 |
| The invention relates to torsion vibration dampers in the power transmission path of a motor vehicle with an internal combustion engine, the coil thrust springs used being particularly in the case of a considerable length in proportion to their diameter, already precurved prior to fi |
| 5078247 |
Friction clutch with domed diaphragm spring tongues |
January 7, 1992 |
| In order to avoid undesired spring force variations of a diaphragm spring (13) of a friction clutch by reason of centrifugal forces it is proposed to provide the spring tongues (17) between their tongue ends (25) and a basic body (15) of the diaphragm spring (13) with outwardly domed por |
| 5069655 |
Driving hub for a vehicle |
December 3, 1991 |
| The driving hub for a vehicle, in particular a bicycle, comprises a hub shaft (1), a hub sleeve (9) which is rotatable relative to the hub shaft (1) and a driver (13) rotatably mounted on the hub shaft (1). The driver (13) drives the hub sleeve (9) via a friction gear (17) of which the f |
| 5067599 |
Arrangement for controlling a motor friction clutch |
November 26, 1991 |
| For controlling a motor vehicle friction clutch (3) which is operated by an actuating drive (7) during parking maneuvers, an output adjusting device (19) of the internal combustion engine (1) is unaffected over a limited initial pedal travel (.alpha..sub.0) of the accelerator pedal (17). |
| 5064030 |
Impact damping unit |
November 12, 1991 |
| According to an illustrative example of the invention, an impact damper comprises two telescopically arranged tubes. Working chambers are defined within the tubes, and a fluid is contained within the tubes. The fluid biases the tubes towards a relative rest position. This rest position i |
| 5052279 |
Hydraulic cylinder for a hydraulic actuation arrangement of a motor vehicle friction clutch |
October 1, 1991 |
| For a hydraulic actuation arrangement of a motor vehicle friction clutch a hydraulic cylinder is proposed of which the cylinder, displaceably receiving a piston (7), consists of a synthetic plastics material moulding (3) and a tube piece (5) of metal arranged in the moulding (3) and guid |
| 5016744 |
Clutch disc for a friction clutch |
May 21, 1991 |
| It is proposed for the clutch disc of a motor vehicle friction clutch that one of the lateral discs of a torsional vibration damper of the clutch disc be mounted via a radially resilient mounting ring on a cylindrical bearing face of a hub of the clutch disc. The mounting ring has a clos |
| 5000304 |
Clutch disc |
March 19, 1991 |
| The clutch disc for a motor vehicle friction clutch comprises a hub on which a driving disc provided with friction linings is coaxially rotatably mounted through a torsional vibration damper. The torsional vibration damper has two mutually relatively rotatable damper parts which are |
| 4998608 |
Clutch disk with delayed friction device |
March 12, 1991 |
| The invention relates to a clutch disk having a torsional vibration damper (19) for motor-vehicle clutches, a delayed friction device (51) being arranged in a space-saving manner radially above a friction ring (45) effective in the load region. |
| 4993524 |
Damping valve unit for a hydraulic oscillation damper |
February 19, 1991 |
| According to an illustrative example of this invention, the piston of a hydraulic oscillation damper is provided with a traction valve, i.e. a valve which is intended to damp the outward movement of the piston rod. This traction valve includes two valve discs and a valve member. The valv |
| 4987826 |
Cylinder piston rod unit |
January 29, 1991 |
| A cylinder-piston rod unit includes a sealing ring adjacent at least one end of the cylinder for forming a fluid-tight seal between the cylinder and the piston rod. The sealing ring includes a substantially axially extending sleeve portion and a substantially radially extending flange |
| 4973297 |
Multispeed drive hub with more than three speeds |
November 27, 1990 |
| The invention relates to a drive hub for six speeds, with an integral back-pedal brake device (28, 31) for bicycles or the like. The gear system comprises two separate planetary gear units (5b, 6a, 7b and 16, 26, 27 respectively), each of which comprises one stage and of which a primary |
| 4971182 |
Double-tube oscillation damper |
November 20, 1990 |
| In a double-tube oscillation damper a pressure relief valve is provided adjacent a piston rod guiding and sealing device between a leakage gas collecting chamber and an annular space confined between the cylinder and a container surrounding the cylinder. This pressure relief valve compri |
| 4969375 |
Pedal binding |
November 13, 1990 |
| The pedal binding makes it possible separably to couple a shoe to a bicycle pedal rotatable about a pedal spindle and comprises a pedal side coupling part which forms a tread area and, adapted to be fitted onto the tread area, a shoe side coupling part. The coupling parts are separably l |
| 4967889 |
Fluid friction clutch |
November 6, 1990 |
| The fluid friction clutch has a clutch cover mounted rotatably in relation to a rotatingly driven input shaft, which cover is divided by a partition into a reservoir for shear fluid and a working chamber. In the working chamber there is arranged a rotor driven in rotation by the input sh |
| 4966269 |
Clutch disc having a hub disc and a sintered steel hub blank and a method of producing the clutc |
October 30, 1990 |
| The invention relates to the connection of a hub with a hub disc for a clutch disc by a plastic deformation operation of the hub, the hub is formed of heat-treatable sintered steel. |
