Patents Assigned to IMS Gear GmbH
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Patent number: 7802487Abstract: The invention relates to a gear for adjusting two parts (60, 61) that can be displaced in relation to each other, particularly vehicle parts of a seat adjustment device, of a window lifter or of a sliding roof, wherein the first one of the parts (60) comprises a non-rotatable spindle (62) or a fixed toothed rack. The gear comprises a worm wheel (4, 41), with a spindle nut (42) non-rotatable thereto for driving the spindle (62) or a worm non-rotatable thereto for driving the toothed rack, a drivable worm (3, 31) for transmitting a driving force to the worm wheel (4, 41) and a gear housing (1), which accommodates and supports the worm (3) and the worm wheel (4) and which can be non-rotatably connected to the second one of the parts (61) in the displacement direction thereof, the gear housing (1) being formed by a single-piece body with a worm bearing (14) and a worm wheel bearing (19).Type: GrantFiled: December 14, 2006Date of Patent: September 28, 2010Assignee: IMS Gear GmbHInventors: Urban Knöpfle, Wolfram Hofschulte
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Patent number: 7798033Abstract: A power-assisted steering system includes a gear mechanism, coupled to a steering column, with a gear and a mating gear. The two transmission gears have teeth (4, 5) via which they engage with each other, movement and power being transmitted from one gear to the other gear via effective profiles of their tooth faces (11, 12). In order to provide a gear mechanism that has an enhanced load-bearing capacity and at the same time can be manufactured in a simple and economical way, the effective profiles of the tooth faces (11, 12) of the gear and the mating gear contact over the height (h4, h5) of the teeth (4, 5).Type: GrantFiled: November 14, 2003Date of Patent: September 21, 2010Assignee: IMS Gear GmbHInventors: Stephan Oberle, Bernd Enzmann
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Publication number: 20100212445Abstract: The invention relates to a revolving gear mechanism with at least two gear wheels which mesh mutually, forming an engagement space, of which one is a revolving gear wheel which is mounted rotatably by means of a bearing on a bolt, and a lateral surface of the bolt forms a bearing surface. According to the invention, at least one axial longitudinal groove is arranged on the lateral surface of the bolt.Type: ApplicationFiled: December 10, 2009Publication date: August 26, 2010Applicant: IMS Gear GMBHInventors: HEINZ GERT HAGEDORN, Erkan Poyraz, Thomas Riester
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Publication number: 20100201030Abstract: The invention concerns a gearwheel (1) with an external part (2), an insert (3), and a connecting part (4) for creating a form-fitting connection between the external part (2) and the insert (3), wherein the connecting part (4) is made from a material molded between the external part (2) and the insert (3). According to the method, the invention concerns a method for manufacturing a gearwheel (1), in which an external part (2) and an insert (3) are form-fittingly connected to a connecting part (4), wherein the minimum of one such connecting part (4) is molded between the external part (2) and the insert (3).Type: ApplicationFiled: April 23, 2010Publication date: August 12, 2010Applicant: IMS GEAR GMBHInventor: Stephan OBERLE
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Patent number: 7712391Abstract: The invention relates to a gearing mechanism for the adjustment of two reciprocally adjustable parts (60, 61), especially vehicle parts of a seat adjustment device, a window lifter or a sunroof, wherein the first of the parts (60) has a nonrotating spindle (62) or a fixed tooth rack. The gearing mechanism is formed with a wormwheel (4, 41), which has a spindle nut (42) non-rotatingly connected thereto in order to drive the spindle (62) or a worm non-rotatingly connected thereto in order to drive the tooth rack, with a worm (3, 31) that can be driven so as to transfer a driving force to the wormwheel (4, 41), and with a gear housing (1), which houses the worm (3) and wormwheel (4) in a supporting manner, and which can be connected immovably with the second of the parts (61) in its adjusting direction, wherein the gear housing (1) is formed of a single-piece body with a worm support (14) and a wormwheel support (19).Type: GrantFiled: September 13, 2005Date of Patent: May 11, 2010Assignee: IMS Gear GmbHInventors: Wolfram Hofschulte, Urban Knöpfle, Olav Schulte
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Patent number: 7681471Abstract: A motor-vehicle gear arrangement for a power-assist gearing in a motor vehicle, that includes a gear, a flange arrangement including at least one flange, wherein the gear is located adjacent to the flange in the flange arrangement so as to rotate about a common axis, and at least one connecting element to connect the gear to the at least one flange. This gear arrangement, or a flange for this gear arrangement, is advantageous due to the fact that the ribs are formed on the flange laterally within a plane perpendicularly to the rotational axis so as to reinforce the flange.Type: GrantFiled: January 18, 2005Date of Patent: March 23, 2010Assignee: IMS Gear GmbHInventor: Stephan Oberle
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Patent number: 7677806Abstract: 1. Bearing element (4) for a bearing for borne supporting of a bearing counter-element (2), whereby the bearing element (4) has a bearing segment (40) at which the bearing counter-element (2) is supportably borne with a force component (F) in the direction of the bearing segment (40), and, at least one positioning segment lateral to the bearing segment (40) for positioning the bearing element (4) at a wall (32) of the bearing for fixing and/or orienting the bearing element (4) in the bearing, whereby aligning and/or support elements (41, 42) project laterally from the bearing segment (40), whereby the aligning and/or support elements (41, 42) are physically distanced from each adjacent aligning and/or support element (41, 42), and whereby the aligning and/or support elements (41, 42) distanced from the bearing segment (40) each embody at least one positioning segment (43, 44).Type: GrantFiled: October 6, 2005Date of Patent: March 16, 2010Assignee: IMS Gear GmbHInventor: Keven Moehring
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Patent number: 7669824Abstract: The invention relates to a drive for adjusting motor vehicle seats comprising a spindle (5) fixed to a first (4) of two rails (3, 4) which are adjustable with respect to each other with the aid of holding devices (60) arranged on the end of the spindle (5). A transmission (9) actuated by a motor (2) is placed on the second rail (3), According to id invention, the holding devices (60) comprise an external bowl-shaped supporting surface (66) in which each end of the spindle (5) is fixedly mounted, respectively. Said solution is more advantageous in comparison with conventional holding devices which are embodied in the form of flexible stamped parts, in particular the inventive holding devices exhibit a high resistance in the case of crash.Type: GrantFiled: December 17, 2004Date of Patent: March 2, 2010Assignees: IMS Gear GmbH, Keiper GmbH & Co. KGInventors: Michael Woehrle, Hans Dropmann, Andreas Gapp, Urban Knoepfle, Stefan Wetzig
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Patent number: 7571666Abstract: Case parts of an adjustment mechanism for a seat adjustment device of a motor vehicle can be joined together along a parting line via joint surfaces. The joint surfaces are provided for the purpose of reciprocal placement of the case parts by way of a joining process. Contact surfaces of the case parts are present in addition to the joint surfaces The contact surfaces are in non-parallel alignment to the joint surfaces. Transferred gear forces running parallel to at least a section of the joint surfaces are absorbed by the contact surfaces. The case parts are fastened to one another by way of screw connections. The contact surfaces of the one case part are respectively held in position with respect to the contact surfaces of the other case part solely due to the screw connections. With such a case, high loads can be absorbed in spite of a small size.Type: GrantFiled: June 7, 2006Date of Patent: August 11, 2009Assignees: KEIPER GmbH & Co. KG, IMS Gear GmbHInventors: Michael Borbe, Stefan Wetzig, Wolfram Hofschulte, Michael Wöhrle
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Publication number: 20090120713Abstract: The invention relates to a motor-vehicle/gearwheel arrangement for a motor-vehicle auxiliary gearing having a gearwheel, having a flange arrangement with at least one, preferably two flanges, wherein the gearwheel is arranged adjacent to at least one of the flanges such that these rotate about a common rotational axis and engage one into the other, and with at least one connecting element for connecting the gearwheel to at least one of the flanges. An arrangement according to a first independent embodiment is advantageous in that the gearwheel has at least one connecting-element receiving depression which leads into the body of the gearwheel parallel to the rotational axis, or has, from the body of the gearwheel, an elevation for receiving the connecting element.Type: ApplicationFiled: November 15, 2006Publication date: May 14, 2009Applicant: IMS GEAR GMBHInventor: Stephan Oberle
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Publication number: 20090038877Abstract: The invention relates to an electrical steering device having a ring gear arrangement made of one ring gear (31), at least one flange (32), and at least one damper that couples the ring gear (31) and flange (32), wherein either the damper has a single damper element that is made of metal or that has metal components, or is made of at least a first damper element (34) and at least a second damper element (35; 35°; 35*), the two damper elements (34, 35; 34, 35°; 34, 35*) having different elasticities. The first damper element (34) has a non-linear spring characteristic line (h(34)) and the second damper element (35; 35°; 35*) has a linear or almost linear spring characteristic line (h(35)).Type: ApplicationFiled: July 28, 2008Publication date: February 12, 2009Applicant: IMS GEAR GmbHInventors: Norbert Willmann, Bernd Enzmann, Stephan Oberle
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Patent number: 7484787Abstract: The invention relates to a longitudinal scat adjustment device having an upper rail and a lower rail. The upper rail sits in the lower rail. Between the two rails a spindle is fixedly connected to the lower rail. Drivable on the spindle is a transmission, which can be retained in a specific manner by slotted bridges in the case of a crash.Type: GrantFiled: December 8, 2006Date of Patent: February 3, 2009Assignee: IMS Gear GmbHInventors: Wolfram-Heinrich Hofschulte, Michael Wöhrle, Frank Probst, Fred Krimmel
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Publication number: 20080238123Abstract: The invention relates to a vehicle seat with a back rest having a frame (2) and a lordosis support (6), with the following additional configuration: The lordosis support (6) comprises a pressure plate (9) that is essentially bend resistant in at least the transverse direction of the seat or the Y-direction, forms a supporting surface in the lordosis region of the back rest and is arranged between two side frame parts (3) of the frame (2); there is at least one holding element (5a, 5b) that extends between the side frame parts (3) with a length-variable adjustment section (21), which runs in the Y-direction and connects to the pressure plate (9), and is affixed there at fixing points (30) arranged opposite each other; in an inoperative position, the pressure plate (9) is arranged with a horizontal clearance (11) or a clearance in the X-direction behind the fixing points (30); there is a driving device with which the length of the adjustment section can be shortened as the horizontal clearance is reduced.Type: ApplicationFiled: April 8, 2006Publication date: October 2, 2008Applicants: Alfmeier Prazision AG Baugrupper Und SystemLosungen, IMS Gear GmbHInventors: Rolf Schafer, Torsten Aeugle, Andrew Massara, Jurgen Hofmockel, Wolfram-H. Hofschulte, Urban Knopfle, Michael Wohrle
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Publication number: 20080105810Abstract: The invention concerns a longitudinal adjustment mechanism for a seat, particularly for motor vehicles, with a spindle guide nut (12) that can move on a spindle (10), which can be driven by a worm gear (14) with bearing sleeves (15) on both sides, as well as with a multi-part casing (20, 30) that receives the worm gear (14) and the spindle (10). The casing (20, 30) consists of two casing sections (20, 30) made of plastic, which can be inserted into one another in the axial direction (X) of the spindle (10); each casing section (20, 30) has a plate (21, 31), from which bars (22, 23, 24; 33) jut out on one side and the casing sections (20, 30) are permanently joined to one another. Advantage: A compact transmission for a longitudinal seat adjustment mechanisms that is easy to assemble.Type: ApplicationFiled: November 5, 2007Publication date: May 8, 2008Applicant: IMS GEAR GmbHInventors: Wolfram Hofschulte, Fred Krimmel, Rolf-Dieter Lohner
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Publication number: 20080087122Abstract: The invention involves a gearbox 1, especially for adjustment devices in motor vehicles, with a plastic worm drive 10. The invention provides that the worm drive 10 has an encircling, circular flat contact surface 27 perpendicular to the worm axle and a number of removal pockets 22 in the form of recesses that are interposed axially between contact surface 27 and the worm axle and at the same time arranged in a level 29 recessed to the level of contact surface 27, whereby an encircling bevel 23 is formed in the transition area from level 29 of removal pockets 22 to the level of the circular contact surface 27.Type: ApplicationFiled: September 1, 2006Publication date: April 17, 2008Applicant: IMS GEAR GmbHInventors: Stefan HOCH, Stéphane BIRKER, Michael WOEHRLE
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Publication number: 20070293365Abstract: A revolving gear arrangement has at least two toothed wheels, which are lubricated with oil or grease and which mesh together in a rolling gap, wherein at least one of them is a revolving gear which is rotatably mounted by means a slip fit joint on a bolt. The bolt-mounted rotating gear is equipped with at least one radial bore, which connects the meshing space of the gear tooth systems with the slip fit joint.Type: ApplicationFiled: May 16, 2007Publication date: December 20, 2007Applicant: IMS GEAR GmbHInventor: Helmut Thoma
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Publication number: 20070266811Abstract: The invention relates to a revolving toothed gear with at least two meshing gearwheels, one of which is a gearwheel that turns by means of a sliding joint and is mounted on a pin in a manner that permits rotation. To this end, the pin is a hard metal pin. The present invention increases the operating life of the gearwheel.Type: ApplicationFiled: May 15, 2007Publication date: November 22, 2007Applicant: IMS GEAR GmbHInventor: Heinz Gert Hagedorn
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Publication number: 20070157752Abstract: The invention relates to a gear for adjusting two parts (60, 61) that can be displaced in relation to each other, particularly vehicle parts of a seat adjustment device, of a window lifter or of a sliding roof, wherein the first one of the parts (60) comprises a non-rotatable spindle (62) or a fixed toothed rack. The gear comprises a worm wheel (4, 41), with a spindle nut (42) non-rotatable thereto for driving the spindle (62) or a worm non-rotatable thereto for driving the toothed rack, a drivable worm (3, 31) for transmitting a driving force to the worm wheel (4, 41) and a gear housing (1), which accommodates and supports the worm (3) and the worm wheel (4) and which can be non-rotatably connected to the second one of the parts (61) in the displacement direction thereof, the gear housing (1) being formed by a single-piece body with a worm bearing (14) and a worm wheel bearing (19).Type: ApplicationFiled: December 14, 2006Publication date: July 12, 2007Applicant: IMS GEAR GmbHInventors: Urban Knopfle, Wolfram Hofschulte
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Publication number: 20070152485Abstract: The invention relates to a holding device (5) of a seat slide drive for a motor vehicle, wherein the holding device (60) is designed as a metallic block, wherein the holding device (60) is provided with a through-bore (61), in which one end of the spindle (5) is placed and is held there by material (60z) of the holding device (60) pressed into the spindle thread (5a) as spindle (5).Type: ApplicationFiled: November 17, 2006Publication date: July 5, 2007Applicant: IMS GEAR GMBHInventor: Winfried Ehrhardt
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Patent number: 7198243Abstract: The invention relates to a longitudinal seat adjustment device comprising an upper rail (40) and a lower rail (10). The upper rail (40) sits in the lower rail (10). Between the two rails (10, 40) a spindle (14) is fixedly connected to the lower rail (10). Drivable on said spindle (14) is a transmission (30), which can be retained in a specific manner by means of slotted bridges in the case of a crash.Type: GrantFiled: March 5, 2002Date of Patent: April 3, 2007Assignee: IMS Gear GmbHInventors: Wolfram-Heinrich Hofschulte, Michael Wöhrle, Frank Probst, Fred Krimmel