Patents Assigned to ZF Lemförder
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Patent number: 7014178Abstract: A hydraulically damping bush bearing is presented, in which an inner rubber mount, which comprises an essentially cylindrical or nearly cylindrical inner part (1) with an axial through hole (2), an outer sleeve (3) surrounding the inner part (1) as well as an elastomeric damping member (4), which is arranged between the inner part (1) and the outer sleeve (3) and is connected to them by vulcanization, is surrounded at its axial ends by chambers (5, 5?) for receiving a fluid damping agent, wherein the chambers (5, 5?) are formed by a hydraulic area, which is arranged separately around the rubber mount and which comprises a rigid channel carrier (6) pushed over the outer sleeve (3) of the rubber mount with a channel (7) for the flow-conducting connection of the chambers (5, 5?), an outer bush (8) supported axially on the channel carrier, and means (9, 9?) arranged axially on both sides of the rubber mount for closing the bush bearing, wherein the means (9, 9?) consist in their radially outer area of an elastomeType: GrantFiled: April 9, 2002Date of Patent: March 21, 2006Assignee: ZF Lemförder Metallwaren AGInventors: Andreas Vossel, Andreas Rodenberg
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Patent number: 7001076Abstract: A housing for receiving a bearing component is presented, which has a shaft projection, which can be inserted into the recess of the end area of a hollow section and can be pressed together with the end area, wherein the shaft projection is provided with a groove profile, in which the groove profile is prepared by a deformation process or an original shaping process. Notch effect and consequently a weakening of the cross section on the highly stressed shaft projection is avoided by the said processes. The present invention pertains, moreover, to such a groove profile located at a shaft projection of a housing.Type: GrantFiled: March 24, 2004Date of Patent: February 21, 2006Assignee: ZF Lemförder Metallwaren AGInventors: Wilfried Lustig, Matthias Gercke, Franz-Josef Marquardt, Sören Knopp, Ralf Kunze
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Patent number: 6997850Abstract: A shifting device (1) is provided for transmitting shift commands to an automatic transmission of a motor vehicle, with a housing (2) and/or a frame, a selector lever (4), which transmits shift commands to the transmission of the motor vehicle and can be moved at least in an automatic gate and preferably also in a Tiptronic gate. The selector lever (4) can be fixed in a parking position P by an axially displaceable locking bar (5) that can be actuated manually, and with a locking device, which is coupled with the ignition lock and prevents the unlocking of the selector lever (4) from the parking position when the ignition key has been removed and the removal of the ignition key when the selector lever (4) is outside the parking position. The locking device is formed by a stopper (8), which is displaceable in the direction of the automatic gate and through which the selector lever (4) passes, and a locking lever (9), which acts on the stopper (8).Type: GrantFiled: February 18, 2004Date of Patent: February 14, 2006Assignee: ZF Lemförder Metallwaren AGInventors: Andreas Giefer, Jörg Meyer, Dietmar Otto
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Patent number: 6997614Abstract: An elastic rubber bearing is provided with an intermediate tube, namely, a bush bearing with a reinforcing insert arranged in the elastomeric bearing body. The design of the bearing includes a pretension, which is distributed as uniformly as possible both in relation to the circumference and in the axial direction. The pretension is generated in the elastomer in a bearing body after the vulcanization by calibrating the outer sleeve. A reinforcing element of the bearing includes an intermediate tube slotted on two sides in relation to its axial extension.Type: GrantFiled: May 27, 2004Date of Patent: February 14, 2006Assignee: ZF Lemförder Metallwaren AGInventors: Helmut Kammel, Bernd Kümper, Axel Sichler
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Patent number: 6993994Abstract: A blocking and releasing of actuating elements especially used in a manually shifted automatic transmission in vehicles for a manual gear input unit with a plurality of actuating elements, e.g., a selector lever and a button. A manual gear input unit (1) is selected for selecting gears with a first actuating element 2 for selecting at least one gear and with at least one additional actuating element 3 for setting additional functions. A detent pawl (6), which can be moved by means of an actuator 8 and by which the first actuating element and at least one additional actuating element 2, 3 can be locked and unlocked simultaneously, is provided.Type: GrantFiled: September 13, 2004Date of Patent: February 7, 2006Assignee: ZF Lemförder Metallwaren AGInventors: Andreas Giefer, Jörg Meyer
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Patent number: 6966559Abstract: A process for forming the ball and socket joint with bellows seal (10), a bellows seal (10) and a ball and socket joint with bellows seal (10) is provided including a ball pivot pin (36, 38) with a connection piece (40). The sealing bellows is provided with an annular engagement surface (16) with a cavity (20). The connection piece with a sealing face is connected to the ball pivot pin. Lubricant (22) is disposed in the cavity prior to assembly of the ball and socket joint. The annular engagement surface (16) is provided in contact with the sealing face upon assembly to cause an amount of lubricant (22) to be squeezed out of the cavity (20).Type: GrantFiled: July 22, 2004Date of Patent: November 22, 2005Assignee: ZF Lemförder Metallwaren AGInventors: Markus Fischer, Eric Holmes, Daniel Dearing
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Patent number: 6959935Abstract: A steering triangle (1) is provided for the axle suspension of motor vehicles for the articulated connection of a vehicle axle with a vehicle chassis with two control arms (2, 3). The control arms are connected to each other in a joint housing (6) formed by the control arms (2, 3) together for a rubber-metal bearing (11) for fixing the steering triangle (1) on the vehicle axle. The rubber-metal bearing (11) has a pivot axis (12) provided with a spherical surface and an elastomer body (14), which extends around the pivot axis (12) at least in the area of the spherical surface and which is accommodated in a recess (16) located within the joint housing (6), in which steering triangle two pressing rings (17, 18) are arranged within the recess (16) of the joint housing (6) on the axial outer sides of the elastomer body (14). The pressing rings can be moved toward each other by a tensioning device via the intermediary of stop faces (22) of the joint housing (6).Type: GrantFiled: February 3, 2004Date of Patent: November 1, 2005Assignee: ZF Lemförder Metallwaren AGInventors: Reinhard Buhl, Reinhard Richter, Uwe Cossmann, Ralf Kunze, Holger Bublies, Sören Knopp
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Patent number: 6955473Abstract: A sleeve joint with a mount assembly unit (1) and with an inner part (2) is presented, in which the mount assembly unit (1) has a housing (3) as well as a bearing shell (4) inserted into the housing (3) for the slidingly movable mounting of a mount body (6) provided with a curved support surface (5). The mount body (6) is provided with a sliding layer (8) on its inner surface (7) facing away from the curved support surface. A sliding movement of the mount assembly unit (1) is made possible in the longitudinal direction of the sleeve joint as a consequence of the sliding contact between the mount assembly unit (1) and the inner part (2) associated with same.Type: GrantFiled: November 7, 2002Date of Patent: October 18, 2005Assignee: ZF Lemförder Metallwaren AGInventors: Günter Reddehase, Klaus Reilmann
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Patent number: 6935803Abstract: A joint (1) with a joint housing (2) and with a joint shell (3) is arranged therein with a ball (4) having a pivot pin (5) protruding from the joint housing (2) and surrounded by a rubber bellows (6) with a protective cap (7). A ring (8) for holding the protective cap (7) is connected to the edge area (6a) of the rubber bellows (6). The edge area (6a) concentrically surrounds the pivot pin (5). The ring (8) has a circular bead (8b, 8c) on its annular outer side (8a) and is vulcanized into the edge area (6a) of the rubber bellows (6). The protective cap (7) is provided on its inner side (7a) with a plurality of projections (9), which can be bent from the outside through openings (10) in the protective cap (7) by means of a tool (11) radially (arrow 12) in relation to the pivot pin (5) against the bead (8b, 8c) of the ring (8) in a non-positive and positive locking manner.Type: GrantFiled: June 7, 2002Date of Patent: August 30, 2005Assignee: ZF Lemförder Metallwaren AGInventors: Olaf Abels, Jens Wohlers
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Patent number: 6923088Abstract: A device is provided for mounting a pedal lever (1) of a motor vehicle, which is accommodated in a housing (3) pivotably around at least one bearing element (2). At least one section of a separating wedge (5) is supported via a support surface (4) against a motor vehicle component (7) and brings about the shearing off of the bearing element (2) due to the action of an external force caused by an accident due to a relative movement between the separating wedge (5) and the bearing element (2) by applying a shearing force. The separating wedge (5) is accommodated between a surface of the housing (3) and the bearing element (2).Type: GrantFiled: December 19, 2001Date of Patent: August 2, 2005Assignee: ZF Lemförder Metallwaren AGInventors: Andree Burgstaler, Jan Dütz, Simone Pätzold
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Patent number: 6918319Abstract: A device for mounting a pedal lever (1) of a motor vehicle, which is accommodated in a housing (3) pivotably around at least one severable bearing element (2). A separating wedge (5), is supported on one side against a motor vehicle component (7). The separating wedge (5) is arranged facing the bearing element (2) with at least one cutting edge (4) provided at the separating wedge (5). As such the bearing element (2) is shorn off by the separating wedge (5) as a consequence of the action of an external force, which may be caused, e.g., by an accident, due to a relative movement between the separating wedge (5) and the bearing element (2).Type: GrantFiled: January 31, 2002Date of Patent: July 19, 2005Assignee: ZF Lemförder Metallwaren AGInventors: Andree Burgstaler, Jan Dütz, Simone Pätzold
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Patent number: 6913409Abstract: A ball-and-socket joint for motor vehicles has a ball pivot with at least a joint ball (4) accommodated rotatably and/or pivotably in a bearing shell (2) of a housing (3) and a pivot section (5). A sealing bellows is provided with a first edge area (7) fastened to the housing (3) and withe a second edge area (8) has a sliding connection with a thrust ring (9), which is fixed on the pivot section (5) and comprises an axial shoulder (10) and a radial shoulder (11), wherein the radial shoulder (11) of the thrust ring (9) forms a wave-shaped contour.Type: GrantFiled: October 17, 2002Date of Patent: July 5, 2005Assignee: ZF Lemförder Metallwaren AGInventor: Olaf Abels
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Patent number: 6913410Abstract: A ball-and-socket joint (1) is provided with a sleeve (2) or a pivot (3) with a partial spherical surface (4) and with a bearing shell (5) surrounding the partial spherical surface (4) in a positive-locking manner with a hollow spherical bearing surface (6). The bearing surface (6) is arranged in a two-part housing (9, 10), whose housing halves (9, 10) have locking elements (15, 16) with detents (17) and locking grooves (18) mutually engaging one another, which lock the two housing halves (9, 10) with one another in a relatively immovable manner in the direction of the longitudinal axis (13) of the sleeve (2) or of the pivot (3) in their final assembled position. The bearing surface (6) for the partial spherical surface (4) of the sleeve (2) or of the pivot (3) is integrated in the inner surfaces of the two housing halves (9, 10) and these (9, 10) are surrounded on their outer surfaces (11, 12) by a metallic ring element (8) in a positive-locking manner.Type: GrantFiled: May 22, 2002Date of Patent: July 5, 2005Assignee: ZF Lemförder Metallwaren AGInventor: Arnold Blanke
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Patent number: 6904822Abstract: A signal transmitter for setting the operating states of an automatic gear shifting mechanism having a selector, deflectable in at least three direction, and automatically returnable into a normal position X, by which a shift position R for engaging a reverse gear, a shift position N for the interruption of torque transmission in the gear change mechanism, a shift position D for engaging a forward gear are made. Additionally, the selector can be deflected in a direction for shift position N, N1, N2 for the interruption of torque transmission in the gear change mechanism starting from the normal position X, then another direction different from the first direction and its opposite direction for selecting other shift positions R or D starting from the shift positions N, N1, N2, and again deflected in the first direction after deflecting to other direction for selecting the other shift positions R or D.Type: GrantFiled: September 27, 2002Date of Patent: June 14, 2005Assignee: ZF Lemförder Mētallwaren AGInventors: Jörg Meyer, Andreas Giefer
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Patent number: 6889574Abstract: A fastening device for fixing a cable to a shift actuator or a transmission of a motor vehicle is provided. The device has a jacket end piece (5) jacketing the cable and a mounting element (6) accommodating the jacket end piece at the shift actuator or the transmission. The fastening device jacket end piece (5) has a circular groove (13) and the mounting element (6) has at least one projection (16, 17) engaging the groove in the fixed state of the cable (1). The mounting element (6) is provided with at least one spring element (7, 8) located in a plane extending in parallel to the plane of the groove. The design makes it possible to introduce a cable into a fastening device without taking into account its rotational position and to fix it there.Type: GrantFiled: February 15, 2002Date of Patent: May 10, 2005Assignee: ZF Lemförder Metallwaren AGInventor: Jörg Meyer
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Patent number: 6874792Abstract: A stabilizer for a motor vehicle has a torsion bar divided into two shafts (1 and 2). The two shafts (1 and 2) are connected to one another via a mechanical coupling. The coupling has a locking disk, which is connected to a first of the two shafts (1), rotating with it in unison, and on the circumference of which at least one locking area is formed, and a housing (3), which is connected to the second shaft (2), rotating with it in unison. At least one locking mechanism (10), which is complementary to the locking area and engages the locking area in the coupled state of the coupling, is mounted movably on the housing (3). Furthermore, a spring (11), by which the locking mechanism (10) is pretensioned in the direction of the locking disk, is connected to the housing (3) and to the locking mechanism (10).Type: GrantFiled: May 27, 2002Date of Patent: April 5, 2005Assignee: ZF Lemförder Metallwaren AGInventors: Jens Vortmeyer, Metin Ersoy
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Patent number: 6863289Abstract: An axle rocker for connecting an axle 3 to the vehicle body 2 of a motor vehicle, which has a flange 9 provided at the axle 3, a central joint arranged at the flange 9 and two swivel arms 4 and 8 connected to the central joint, which are pivotably fastened to the vehicle body 2. The central joint has a central joint housing 10 and a central joint inner part 11, which is mounted pivotable in same and which protrudes from the central joint housing 10 at its two ends designed as connection pins on two mutually opposite sides. Furthermore, at least part of the central joint housing 10 is made in one piece with the flange 9, and the swivel arms 4 and 8 are fastened with their ends facing the central joint to the two connection pins of the central joint inner part 11.Type: GrantFiled: May 16, 2002Date of Patent: March 8, 2005Assignee: ZF Lemförder Metallwaren AGInventors: Reinhard Buhl, Uwe Cossmann, Sören Knopp, André Diener, Reinhard Richter
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Patent number: 6857811Abstract: A ball-and-socket joint for motor vehicles is presented, which has a ball pivot (1), which comprises at least one joint ball (4) accommodated rotatably and/or pivotably in a bearing shell (2) of a housing (3), and a pivot section (5). A sealing bellows (6), whose first edge area (7) is fastened to the housing (3) and whose second edge area (8) has a sliding connection with a thrust ring (9) fixed on the pivot section (5), is used to seal the joint components. A protective cover (11), which is used to seal the thrust ring area as well as for shielding against damaging heat radiation and against the effects of splash water or corrosive media, is inserted between a surface of the thrust ring (9) and the surface of a motor vehicle component (10), which said surface faces the said surface of the thrust ring.Type: GrantFiled: May 17, 2002Date of Patent: February 22, 2005Assignee: ZF Lemförder Metallwaren AGInventor: Olaf Abels
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Patent number: 6857810Abstract: A ceramic ball-and-socket joint for a motor vehicle, especially for the chassis of the motor vehicle, is provided, in which the ball-and-socket joint has a ball-and-socket joint housing (5) provided with a joint opening (7) and a ball pivot provided with a joint ball (1) and with a pivot (13), which said ball pivot is mounted rotatably and pivotably with its joint ball (1) in a bearing shell (2) arranged in the ball-and-socket joint housing (5), wherein the ball pivot protrudes with its pivot (13) from the ball-and-socket joint housing (5) through the joint opening (7). The bearing shell (2) is divided into at least two separate bearing shell parts (3, 4), wherein the joint ball (1) and the bearing shell (13) are made of a ceramic material.Type: GrantFiled: October 8, 2002Date of Patent: February 22, 2005Assignee: ZF Lemförder Metallwaren AGInventors: Metin Ersoy, Martin Rechtien
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Patent number: 6854354Abstract: A shifting device for a motor vehicle transmission is provided comprising a selector lever for selecting different shift positions (P, R, N, D, 3, 2, . . . ). The lever is mounted in a housing pivotably around at least one axis. A first locking member and at least one additional locking member are provided as angle levers, each arranged on the housing pivotably around a respective pivot axis. The locking members block the movement of the selector lever in different shift positions. An adjusting member is provided. A locking element provided at the selector lever is engaged by one of the locking members in the shift positions of the selector lever which are to be locked as a function of preset parameters.Type: GrantFiled: May 3, 2001Date of Patent: February 15, 2005Assignee: ZF Lemförder Metallwaren AGInventor: Jörg Meyer