Patents by Inventor Bernd Weyerstall
Bernd Weyerstall has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6257632Abstract: The subject of the invention is a key collar for a motor vehicle door lock or the like including a key collar support plate fixedly attached on a support sheet, and a collar element supported on the collar support plate which, in operation, engages a lock catch of the motor vehicle door lock or the like. Optionally, the key collar includes an elastomer arrangement which allows the collar element to move a limited distance relative to the collar support plate in the plane of the collar support plate thereby better meeting the different requirements of normal use conditions and during a vehicle crash. In operation, the collar element of a preferred embodiment is supported on the collar support plate on two spaced bearing points, one bearing point with a trailing bridge in a manner that collar element can be swivelled around an axis which is perpendicular to collar support plate, and another bearing point with a leading bridge which can be displaced in corresponding arc-shaped crank.Type: GrantFiled: January 31, 2000Date of Patent: July 10, 2001Assignee: Robert Bosch GmbHInventors: Oliver Jung, Siegfried Reichmann, Bernd Allefeld, Bernd Weyerstall, Berthold Huessler, Bernd Huster, Hansjuergen Linde, Uwe Neumann, Heinrich Plett, Stefan Schwitters
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Patent number: 6247343Abstract: A device for locking and unlocking a door, in particular a motor vehicle door, has an electric lock and a door handle, with the transmission of query information to a portable electronic authorization ID means being initiatable via a control unit provided for the door when the door handle is operated out of the resting position in opposite directions, with the authorization ID means causing the transmission of identification information on receipt of the query information, and with the control unit comparing the identification information received with predetermined authorized identification information and, if it agrees with some of the predefined identification information, the locking of the door or its unlocking with the release of the catch is executed or canceled by controlling the electric lock.Type: GrantFiled: June 1, 1999Date of Patent: June 19, 2001Assignee: Robert Bosch GmbHInventors: Karl-Ernst Weiss, Bernd Weyerstall
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Patent number: 6209932Abstract: A motor vehicle door lock or the like has a housing (1) or a lock bearing plate, a rotary latch (2) with a jaw (3) for a locking wedge (4) or lock bolt and a pawl (7) for locking the rotary latch (2) in a locking position which corresponds to the closed motor vehicle door. Several complementary measures are proposed which can be applied together or separately to optimise the locking elements—rotary latch (2) and pawl (7). A differentiated positioning of the rotary latch (2) and pawl (7) is particularly significant. The material, shape and/or mounting of the swivelling axis (10) of the rotary latch (2) or of the swivelling axis (20) of the pawl (7) are designed for normal operation conditions.Type: GrantFiled: May 10, 1999Date of Patent: April 3, 2001Assignee: Robert Bosch GmbHInventors: Oliver Jung, Siegfried Reichmann, Bernd Allefeld, Bernd Weyerstall, Berthold Huessler, Bernd Huster, Hansjuergen Linde, Uwe Neumann, Heinrich Plett, Stefan Schwitters
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Patent number: 6175202Abstract: The invention relates to a circuit for controlling an electrically activated motor vehicle door lock or the like, with a lock latch (1) and a detent pawl (2) which keeps the lock latch (1) in the closed position and with an electric motorized auxiliary closing drive (4) which is turned on after the lock latch (1) has reached a preclosing position and then moves the lock latch (1) by motor into the main closing position, there being a switch (16) which recognizes the preclosing position, especially a lock latch switch which scans the position of the lock latch (1).Type: GrantFiled: February 1, 1999Date of Patent: January 16, 2001Assignee: Robert Bosch GmbHInventors: Bernd Weyerstall, Bernhard Kordowski, Piotr Szablewski
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Patent number: 6113161Abstract: A motor vehicle door lock has a rotary latch with a holding recess formed in it. The rotary latch has a main catch with a catch surface formed on it. A key collar has a pin that is adapted to be received in the holding recess. A pivotally mounted detent pawl is biased in an engagement direction and has a catch lever having an opposing catch surface formed on it which is adapted to engage the catch surface of the main catch in a catch position. The catch lever and a support lever are pivotally mounted on an axle to pivot with respect to one another about an axis in the catch position in which the detent pawl is biased by a spring element into an extended position. An actuating element is disposed on the rotary latch, and the spring element cooperates with the actuating element to bias the detent pawl into the extended position when said actuating element engages the spring element.Type: GrantFiled: January 26, 1999Date of Patent: September 5, 2000Assignee: Robert Bosch GmbHInventors: Oliver Jung, Siegfried Reichmann, Bernd Allefeld, Bernd Weyerstall, Berthold Huessler, Bernd Huster, Hansjuergen Linde, Uwe Neumann, Heinrich Plett, Stefan Schwitters
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Patent number: 6102454Abstract: A motor vehicle door lock arrangement with a lock latch, a detent pawl and an electrical detent pawl drive with control switches for a triggering detent pawl drive, a power supply connection and a lock mechanism with at least one mechanical opening lever which acts on the detent pawl. In the normal case, the detent pawl can be actuated only by the electrical detent pawl drive (1), and in an emergency, by the mechanical opening lever (2). The motor vehicle door lock arrangement provides the electrical detent pawl drive (1) with a mechanical energy storage device (15) which is tensioned in the rest position of the detent pawl drive (1) and which keeps the opening lever (2) prepared for mechanical activation should the power supply fail or some other malfunction of electrical detent pawl drive occur.Type: GrantFiled: September 15, 1998Date of Patent: August 15, 2000Assignee: Robert Bosch GmbHInventor: Bernd Weyerstall
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Patent number: 6068309Abstract: The subject of the invention is a key collar for a motor vehicle door lock or the like including a key collar support plate fixedly attached on a support sheet, and a collar element supported on the collar support plate which, in operation, engages a lock catch of the motor vehicle door lock or the like. Optionally, the key collar includes an elastomer arrangement which allows the collar element to move a limited distance relative to the collar support plate in the plane of the collar support plate thereby better meeting the different requirements of normal use conditions and during a vehicle crash. In operation, the collar element of a preferred embodiment is supported on the collar support plate on two spaced bearing points, one bearing point with a trailing bridge in a manner that collar element can be swivelled around an axis which is perpendicular to collar support plate, and another bearing point with a leading bridge which can be displaced in corresponding arc-shaped crank.Type: GrantFiled: January 26, 1999Date of Patent: May 30, 2000Assignee: Robert Bosch GmbHInventors: Oliver Jung, Siegfried Reichmann, Bernd Allefeld, Bernd Weyerstall, Berthold Huessler, Bernd Huster, Hansjuergen Linde, Uwe Neumann, Heinrich Plett, Stefan Schwitters
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Patent number: 6062613Abstract: A motor vehicle door lock or the like including a housing with a detent pawl including a lock catch, a dynamic actuation linkage extending from an outside door handle and an inside door handle to the detent pawl, and a controller including a control disk with a plurality of peripherally located control cams, each of the control cams corresponding to a respective one of a plurality of functional positions including "locked", "unlocked", and optionally, "theft-proof" and "child-proof" positions. The lock also includes actuating elements in a control segment of the dynamic actuation linkage which is disengaged unless it is made engaged by coupling of the actuating elements by the action of one of the various control cams on the control disk.Type: GrantFiled: February 8, 1999Date of Patent: May 16, 2000Assignee: Robert Bosch GmbHInventors: Oliver Jung, Siegfried Reichmann, Bernd Allefeld, Bernd Weyerstall, Berthold Huessler, Bernd Huster, Hansjuergen Linde, Uwe Neumann, Heinrich Plett, Stefan Schwitters
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Patent number: 6050117Abstract: The object of the invention is a motor vehicle door lock with an outer housing (11) with an entry slot (12) for a lock hinge (50), with a rotary bolt (13) moving in entry slot (12) and located in housing (11), with a lock pawl (14) holding rotary bolt (13) in locked position and placed in housing (11) and preferably with an electric drive (15) placed in housing (11) for lock pawl (14). This is first characterized in that housing (11) is completely closed externally except for entry slot (12) for the lock hinges and optionally entry fittings (23) for one or two Bowden cables (24; 25) and/or an entry fitting (26) for a lock cylinder. Further, it can also and independently be achieved that another drive motor be placed in housing (11) for motorized movement of rotary bolt (13) and that it be engaged with rotary bolt (13) even when the latter is in the locked position, and rotary bolt (13) is turned increasingly further in the locking direction as the motor vehicle speed increases.Type: GrantFiled: April 13, 1998Date of Patent: April 18, 2000Assignee: Robert Bosch GmbHInventor: Bernd Weyerstall
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Patent number: 6032496Abstract: A door lock arrangement for motor vehicles with a closing cylinder arrangement (2) attached to outer sheet metal (1) of the body of a vehicle so as to be accessible from the outside and with a lock mechanism (5) attached in the body to be inaccessible from the outside. On the closing cylinder arrangement (2) there is transfer element (6) which establishes the connection of closing cylinder arrangement (2) to the lock mechanism (5). A corresponding coupling element (7) on the lock mechanism (5) engages the transfer element (6) by form-fit such that rotary motion of transfer element (6) is converted into a corresponding rotary motion of the coupling element (7).Type: GrantFiled: July 16, 1998Date of Patent: March 7, 2000Assignee: Robert Bosch GmbHInventors: Bernd Weyerstall, Bernhard Kordowski
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Patent number: 5938254Abstract: A striker drive assembly for a motor vehicle door lock or the like, with a drive motor and downstream gearing, with a linearly movable striker carrier which is driven by a drive element, preferably by a cam (13), and with a striker which is attached to the striker carrier (3), the striker carrier (3) being positioned to move in a housing (7) to which the drive motor is joined. This striker drive assembly behaves as much as possible like a striker attached stationary due to the fact that the striker carrier (3) can be displaced from the open position (preclosing position) mechanically without hindrance by the drive element, into the closed position (main closing position), especially without hindrance by the cam (13).Type: GrantFiled: September 19, 1997Date of Patent: August 17, 1999Assignee: Robert Bosch GmbHInventor: Bernd Weyerstall
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Patent number: 5667260Abstract: A motor vehicle door lock with locking elements such as rotary catches and detent pawls, with a lock mechanism (1) and with a central interlock drive (2), in which the central interlock drive (2) has a drive motor (3), a rotor (5) that is driven in a rotating manner by the drive motor (3), preferably with the aid of worm-gear transmission, and an actuating part which is arranged on the rotor (5) and which can be brought into a disengaged position (D), a locking position (L) and, preferably, an anti-theft locking position (A), optionally also into a neutral position (N), and in which locking mechanism (1) has an inside opening lever (7), an outside opening lever (9) and other levers as well as a central interlock lever (11) that can be displaced by the actuating part (6).Type: GrantFiled: January 11, 1996Date of Patent: September 16, 1997Assignee: Robert Bosch GmbHInventor: Bernd Weyerstall
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Patent number: 5582449Abstract: An automobile door lock, having a metallic base plate (2), which, preferably, has an inlet slot (1) for a lock retainer, further having lock elements, like a ratchet (3) and a ratchet pawl (4) disposed at the base plate, further comprising a lock mechanism having various operating levers (5), as well as a one-piece housing (6) made of molded fiber-reinforced synthetic material and which is firmly connected with the base plate (2) by bolts. The cost-effectiveness of this automobile door lock is enhanced in by the housing (6) is designed without a metallic cover plate the side opposite the base plate (2), and also in that all of operating levers (5) of the lock mechanism are carried by either the housing (6) or the base plate (2).Type: GrantFiled: November 28, 1994Date of Patent: December 10, 1996Assignee: Bomoro Bocklenberg & Motte Gmbh & Co. KGInventor: Bernd Weyerstall
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Patent number: 5158330Abstract: A motor veicle compartment closure lock with a locking wedge (2) attached on the closure, and lock elements attached on an opening frame for the closure. The locking wedge (2) can be retracted, in a powered way, from an extended, open position into a pushed-in, locked position and, for this purpose, is coupled by a lever mechanism (3) to a power transmission element (5) with a powered drive. The powered drive can be built especially small and light because the drive is made as a drive that operates only in one direction (locking direction) and returns automatically in the opposite direction. Power transmission element (5) is slaved or can be slaved to the locking wedge (2) in the locking direction and moves freely in the opposite direction. A shifting lever (6) is provided that is carried by the power transmission element (5) in the locking direction and is spring-loaded in the opposite direction.Type: GrantFiled: October 29, 1990Date of Patent: October 27, 1992Assignees: Bomoro Bocklenberg & Motte GmbH & Co. KG, Mercedes Benz AGInventors: Bernd Weyerstall, Klaus-Peter Claar, Jan Schilling, Franz Waschitschek
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Patent number: 4948184Abstract: Motor vehicle door lock or the like with a pivotally mounted locking catch (3), a pivotally mounted pawl (4) which blocks the locking catch (3) in a preliminary locking position and a main locking position, and with a locking mechanism (5) for operating the locking catch (3) and pawl (4). The locking mechanism (5) has an outside release lever (6), and when outside release lever (6) is operated, pawl (4) can swing into a release position freeing locking catch (3), e.g., by being lifted. The manipulation of the lock is improved since, in the opening movement, when the locking catch (3) is in the main locking position and the release lever (6) is operated, the pawl (4) is swung into the release position, where it is retained independently of the further operation condition of outside release lever (6) until the locking catch (3) has passed the preliminary locking position.Type: GrantFiled: January 17, 1989Date of Patent: August 14, 1990Assignees: Bomoro Bocklenberg & Motte GmbH & Co. KG, Daimler-Benz AGInventors: Bernd Weyerstall, Klaus Claar, Jan Schilling