Patents Assigned to INA-Schaeffler KG
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Patent number: 7435000Abstract: A guide carriage of a linear roller bearing, having at least one endless raceway for rolling bodies (9), and having a carrying body (1), on the two longitudinal sides of which in each case one carrying section (2, 3) and one return section (5, 6) of the endless raceway is provided, the carrying section (2, 3) being provided rolling bodies (9) which roll under load and the return section (5, 6) being provided for rolling bodies (9) which return without load, and having head pieces (13) which are arranged on end sides of the carrying body (1) and in each case have one deflection section (11, 12) which connects the return section (5, 6) to the carrying section (5, 6) a lubricant channel (24) being provided for the supply of lubricant, which lubricant channel (24) can be connected to the raceway of the rolling body (9) via a valve (30), the valve (30) having a slot (33) which is provide for the passage of lubricant, crosses the cross section of the lubricant channel (24) and is delimited by slot faces (34), the sType: GrantFiled: June 23, 2004Date of Patent: October 14, 2008Assignee: INA-Schaeffler KGInventors: Lothar Neufang, Peter Keller
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Patent number: 7415908Abstract: A clamping device includes a first clamping plate and a second clamping plate, the first clamping plate being rotatable between a released position and a clamped position in relation to the second clamping plate. The clamping device further includes a rolling body which establishes contact between the first and second clamping plates. The second clamping plate includes a clamping ramp with a contour for the rolling body so that when the clamping plates are rotated in relation to each other, the space between the clamping plates changes. The first clamping plate has a surface which forms a plane on which the rolling body rolls from the released position to the clamped position.Type: GrantFiled: February 4, 2004Date of Patent: August 26, 2008Assignee: Ina-Schaeffler KGInventors: Alexander Zernickel, Thomas Dirnberger, Harald Hochmuth, Guido Grimsmann, Hans Kluemper, Rainer Wilken, Carsten Sass, Holger Kittler
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Patent number: 7416070Abstract: A clutch operator for a disconnectable clutch useful in a motor vehicle, and having a self-adjusting release bearing supported on a housing and in the form of a rolling-contact bearing designed as an inclined-shoulder bearing. The bearing has an outer bearing ring, a rotating inner bearing ring and rolling bodies guided between the rings. An adjusting ring at the inner bearing ring. A sliding element in a supporting region of the adjusting ring on the inner bearing ring, and being in the form of complementary spherical-cap segments. A noise-reducing and wear-reducing coating, on which a spring element connected to the disconnectable clutch is supported at a radially oriented annular flange of the adjusting ring.Type: GrantFiled: October 5, 2005Date of Patent: August 26, 2008Assignee: Ina Schaeffler KGInventors: Ludwig Winkelmann, Steffen Dittmer, Bernhard Klöpfer
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Patent number: 7410301Abstract: This mounting system features a base displaced from a mounting plate which is used to anchor a base mounted receiver releasably. The base has a pair of flexible arms to engage the receiver in channels that have a catch edge at the ends of the channels. The base is constructed with at least one stabilizer element and the receiver has an appropriate alignment slot. Each mounting plate, on both the base and receiver, have a plurality of apertures to facilitate attachment to fabric or a fabric patch or a fabric envelope which thereby allows attachment to different fabric devices together in a releasable yet secure manner. Those devices are to be from the following group, non-exclusive; backpack, jacket, hunting jacket, binocular case, knife case, compass case, first aid case, ammunition pouch, animal call case, web gear, etc.Type: GrantFiled: December 20, 2004Date of Patent: August 12, 2008Assignee: Ina-Schaeffler KGInventors: Martin Menges, Thomas Elicker
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Patent number: 7393139Abstract: A linear guide unit comprising a guide carriage (3) that is mounted through rolling elements (2) for sliding on a guide rail (1), said guide carriage (3) comprising a carrier body (4) and end caps (5) arranged on front ends of the carrier body (4), the linear guide unit comprising at least one endless rolling element channel (6) comprising a load-bearing channel (7) for load-bearing rolling elements (2), a return channel (8) for returning rolling elements (2) and two deflecting channels (9) that connect the load-bearing channel (7) and the return channel (8) endlessly to each other and are defined by the end caps (5), a support rail (10) arranged along the load-bearing channel (7) and supported on the carrier body (4) comprising a raceway (16) for the rolling elements (2) that defines the load-bearing channel (7) the support rail (10) comprising a support member (11) and a saddle member (12), the support member (11) being received on the carrier body (4), and the saddle member (12) comprising the raceway (16)Type: GrantFiled: October 15, 2003Date of Patent: July 1, 2008Assignee: Ina-Schaeffler KGInventors: Ralf Moseberg, Dietmar Rudy, Michael Heid, Henning Dombek
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Patent number: 7392819Abstract: The invention relates to a method of setting the ball travel of a valve-closing body, designed as valve ball, of a control valve of a hydraulic valve-lash-adjusting element which has a plunger with a plunger head and a central bore, a valve seat being provided at the outer end of this central bore, this valve seat being controlled by a valve ball, the ball travel of which is limited by a valve cap which has a cap flange and a cap base, the cap flange resting with its bearing surface on a base of a recess of the plunger head, and a stop of the cap base serving as a travel limit for the valve ball.Type: GrantFiled: April 8, 2005Date of Patent: July 1, 2008Assignee: INA Schaeffler KGInventors: Peter Sailer, Oliver Schnell
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Patent number: 7377988Abstract: The invention concerns the fixing of a bearing shaft (6) in a reception bore (1.3) of a housing, at least one end of the shaft being adapted to be swaged to the reception bore (1.3) for achieving at least one of a force locking and a positive engagement, and an outer peripheral surface of the shaft (6) having a hardness that is greater than a hardness of the ends (6.2) of the shaft. The novel shaft is carbonitrided, quenched and tempered so that at first a hardness of HV 745-950 (HRC 62-68) is realized, following which the thus treated shaft (6) is soft annealed to produce a hardness of HV 212-305 (HRB 93-HRC30), and the outer peripheral surface is then subjected to induction hardening to achieve a final hardness of HV 745-950 (HRC 62-68). The shaft of the invention has a long operating life even under high load conditions.Type: GrantFiled: April 10, 2003Date of Patent: May 27, 2008Assignee: INA Schaeffler KGInventors: Joseph Traywick Griffin, Marion Jack Ince, Charles M. Schwab, Eric S. Nelson, Richard S. Carpenter
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Publication number: 20080108444Abstract: A bearing arrangement for supporting a universal joint trunnion in an outer cup includes a radial bearing having cylindrical rolling elements disposed between the trunnion and the outer cup, and a resistance member made of a material to allow elastic deformation and bearing upon a confronting surface area of an end surface of the trunnion. The resistance member and the trunnion are hereby so configured either alone or in combination as to form a large lubricant reservoir. Disposed at a distance to the end surface of the trunnion is a stop member to define an axial gap, whereby the stop member inhibits an axial movement of the trunnion after the trunnion has moved in axial direction to close the gap.Type: ApplicationFiled: January 10, 2007Publication date: May 8, 2008Applicant: INA-SCHAEFFLER KGInventor: Martin Kruppa
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Patent number: 7357048Abstract: A ball screw drive comprising a spindle nut (2) that can be disposed on a spindle (1), said spindle nut (2) comprising on an inner periphery, a ball groove (3) that is arranged along a helix and defines a load-bearing channel (8) for balls (5), an external deflector (6, 24) arranged outside of the spindle nut (2) connecting the two ends of the load-bearing channel (8) endlessly to each other for deflecting the balls (5) from one of the two ends of the load-bearing channel (8) to the other of the two ends of the load-bearing channel (8), a drive pinion for driving the spindle nut (2) being arranged on the spindle nut (2), wherein the external deflector (6, 24) is arranged at least substantially within an axial length of the drive pinion.Type: GrantFiled: May 5, 2005Date of Patent: April 15, 2008Assignee: INA-Schaeffler KGInventors: Gunter Hartig, Jurgen Osterlanger, Dieter Adler, Manfred Kraus, Ralf Mayer, Jorg Wagner, Horst Munck
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Patent number: 7350489Abstract: A finger lever of a valve train of an internal combustion engine, said finger lever comprising two side walls that are connected to each other by a crossbeam that acts through an underside at one end on at least one gas exchange valve and is mounted at a further end through a concave cavity on a head of a support element, a clip through which the finger lever is fixed in position on said head for displacement in a direction of pivot being applied to said further end, wherein a central section of the clip made of flat material is supported at the further end on the underside of the crossbeam and comprises an opening under the cavity, the head of the support element being retained behind an edge of said opening, each side wall being surrounded on an outer surface by a tab-like extension that starts laterally from the central section and is snapped at an end onto one of an upper side or a support surface substantially parallel to the upper side, so that the end of the extension engages over more than at least onType: GrantFiled: April 22, 2005Date of Patent: April 1, 2008Assignee: INA-Schaeffler KGInventors: Helmut Engelhardt, Johann Kecker, Jorg Michel
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Patent number: 7347309Abstract: In a device for damping rotary oscillations in a traction mechanism drive for auxiliary units of an internal combustion engine, having an overrunning clutch (27), which is arranged between a pulley (25) and a hub (26), according to the invention a locking device (33) is located between the pulley (25) and the hub (26), axially behind the overrunning clutch (27). This locking device includes an inner ring (34), which surrounds and is secured to the hub (26), and outer ring (35), which surrounds the inner ring (34) with a radial clearance and is secured to the pulley (25), and a plurality of retaining balls (36) which, together with compression springs (37), are arranged in radial bores (39) in the outer ring (35).Type: GrantFiled: April 16, 2004Date of Patent: March 25, 2008Assignee: Ina-Schaeffler KGInventors: Bernhard Wiesneth, Harald Hochmuth
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Publication number: 20080044646Abstract: A process for producing a wear-resistant coating and a wear-resistant coating on a surfaces of machine or engine parts which are exposed to frictional wear. This has in particular use for internal combustion engines. The coating comprises at least one metal-free, amorphous hydrocarbon layer which includes sp2- and sp3-hybridized carbon applied to the surface of the machine part, for reducing friction and increasing the wear resistance of the surface of the machine or engine part.Type: ApplicationFiled: August 22, 2007Publication date: February 21, 2008Applicant: INA SCHAEFFLER KGInventors: Bodo RORIG, Tim HOSENFELDT
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Patent number: 7318676Abstract: An axial bearing having at least one axial runner disk which has a radially extending portion and an axially extending annular flange. A plurality of rollers roll along the radially extending portion of the axial runner disk. A detachable spacing member of annular shape retained on the axial runner disk with the aid of fastening elements, forming a captive axial bearing arrangement. The annular spacing member has a plurality of spaced-apart projecting bosses arranged in the circumferential direction having an axial extent determined by predefined spacing between two connection parts. A second axial runner disk cooperates with the first disk and holds bearing rollers between them. The bearing may be employed in a hydrodynamic torque converter at the stator between the pump wheel and the turbine wheel of the converter.Type: GrantFiled: January 30, 2004Date of Patent: January 15, 2008Assignee: INA-Schaeffler KGInventors: Wolfgang Fugel, Alexander Reimchen, Walter Wildeshaus
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Patent number: 7296547Abstract: The invention relates to a device (1) for adjusting the camshaft of an internal combustion engine, which has an internal rotor (2) which can be adjusted rotationally in relation to an external rotor (3), with the internal rotor (2) being secured to a camshaft (5) by means of a central screw (4). In order to permit improved mounting of the device it is provided according to the invention for the internal rotor (2) and/or the external rotor (3) to have at least one recess (6, 7) for the engagement of a mounting tool (8, 9) by means of which the internal rotor (2) and the external rotor (3) can be secured fixed in terms of rotation. Furthermore, the invention relates to a mounting tool for mounting such a device.Type: GrantFiled: October 21, 2005Date of Patent: November 20, 2007Assignee: Ina-Schaeffler KGInventors: Rainer Ottersbach, Rudolf Eydam
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Patent number: 7296929Abstract: The invention proposes a linear guide unit comprising a guide carriage (1) that is mounted through rollers (3) for sliding on a guide rail (2), and further comprising a roller chain (8) comprising a cage (8a) for receiving the rollers (3), said cage being formed by spacers (16) arranged between adjacent rollers (3) and flexible belts (17) arranged at two front ends of the rollers (3) for connecting the spacers (16) to one another, said roller chain (8) being arranged for rotating in an endless roller channel (7) comprising a load-bearing section (10), in which the rollers (3) roll under load on raceways (4, 11) of the guide carriage (1) and of the guide rail (2), a return section (12), that is arranged substantially parallel to the load-bearing section (10) and in which the rollers (3) of the roller chain (8) are unloaded, and two deflecting sections (13) that connect the return section (12) and the load-bearing section (10) endlessly to each other, said endless roller channel (7) comprising lateral rims (14)Type: GrantFiled: July 20, 2005Date of Patent: November 20, 2007Assignee: Ina-Schaeffler KGInventors: Stefan Hantke, Peter Lutz, Martin Menges
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Publication number: 20070259745Abstract: The invention relates to a tension system for a traction mechanism, comprising an assembly (6) which is arranged pivotably via a pivot bearing (17a). In this case, the assembly at the same time assumes the function of a tension system for the traction means (2).Type: ApplicationFiled: July 29, 2005Publication date: November 8, 2007Applicant: INA-SCHAEFFLER KGInventors: Ralph Painta, Michael Bogner
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Patent number: 7284516Abstract: A hydraulic device in an internal combustion engine for adjusting a rotation angle of a camshaft in relation to a crankshaft includes a tubular stator and a rotor connected in fixed rotative engagement with the camshaft and having plural vanes in spaced apart relationship to define pressure chambers on both sides of the vanes. The stator is connected in fixed rotative engagement with a crankshaft-drive timing pulley and constructed to define with the rotor vanes the pressure chambers. The stator is made by a shaping process without material to effect a mass reduction. Pressure medium is supplied to or purged from the pressure chambers to selectively adjust the position of the rotor in relation to the stator and thereby the position of the camshaft in relation to the crankshaft.Type: GrantFiled: December 15, 2004Date of Patent: October 23, 2007Assignee: INA-Schaeffler KGInventors: Ulrich Wierl, Mike Kohrs, Rainer Ottersbach, Jochen Auchter, Hermann Wiehl
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Publication number: 20070204824Abstract: A device for changing the control times of an internal combustion engine (camshaft adjuster) having a pressure medium distributor arranged within a camshaft is provided. The pressure medium distributor is provided at its front end with a radially extending shoulder, this shoulder forming part of the camshaft axial mounting.Type: ApplicationFiled: May 11, 2007Publication date: September 6, 2007Applicant: INA-SCHAEFFLER KGInventors: Andreas Strauss, Andreas Rohr, Jens Hoppe, Viktor Lichtenwald, Jochen Auchter, Rainer Ottersbach
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Patent number: 7263908Abstract: Ball screw, between the spindle nut (1) and threaded spindle (2) of which at least one ball chain (6, 8) formed from balls (9) rolls in each case along a ball channel (5) which is delimited by ball grooves (3, 4) formed on the spindle nut (1) and on the threaded spindle (2), the ball chain (6, 8) being deflected from one end of the ball channel (5) to a start of this ball channel (5) in deflection portions of the ball channel (5), one or more spring elements (11, 17, 27, 35) arranged in the ball chain (6, 8) between balls (9) of the ball chain (6, 8) exerting a pressure force on the balls (9) in the axis of the ball chain (6, 8).Type: GrantFiled: June 16, 2005Date of Patent: September 4, 2007Assignee: Ina-Schaeffler KGInventors: Jurgen Osterlanger, Ralf Mayer, Horst Munck
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Patent number: 7261075Abstract: The invention relates to a hydraulic support element (1) for a valve gear for an internal combustion engine. Said element consists of a cylindrical hollow case (2) in whose bore hole (3) a pressure piston (4) made of a glass or carbon fibre reinforced plastic is arranged.Type: GrantFiled: June 3, 2004Date of Patent: August 28, 2007Assignee: Ina Schaeffler-KGInventor: Georg Hofmann