Patents by Inventor Harald Hochmuth
Harald Hochmuth 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: 7156406Abstract: The invention relates to a roll stabilizer for the chassis of a motor vehicle, comprising an actuator (3), which is mounted between anti-roll bar halves (1, 2) and which rotates these about a rotation axis in opposite directions as necessary. The curved path carriers (4, 5) of the actuator that are assigned to the roll stabilizer halves (1, 2) are each provided with a curved path (17, 18) inside of which a coupling element (13) is guided that can be displaced along these curved paths (17, 18) via an actuating drive (7, 10). The U-shaped or V-shaped curved path (18) of one curved path carrier (5) has two curved path branches (19, 20) that are arranged in a mirror symmetric manner in relation to a longitudinal central plane containing the rotation axis of the actuator (3).Type: GrantFiled: April 22, 2005Date of Patent: January 2, 2007Assignees: INA- Schaeffler KG, LUK Lamellen und Kupplungsbau Beteiligungs KGInventors: Manfred Kraus, Jurgen Osterlanger, Harald Hochmuth, Thomas Dirnberger, Wolfgang Reik, Thomas Pfund
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Publication number: 20060240926Abstract: 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: ApplicationFiled: April 16, 2004Publication date: October 26, 2006Inventors: Bernhard Wiesneth, Harald Hochmuth
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Publication number: 20060213309Abstract: The application describes a clamping device for a steering column, in which a first clamping plate element is rotatable between a released position and a clamped position in relation to a second clamping plate element, wherein a rolling body which establishes contact is provided between the clamping plate elements. The second clamping plate element comprises a clamping ramp with a contour for the rolling body so that when the clamping plate elements are rotated in relation to each other, the space between the clamping plate elements changes. One clamping plate element comprises a surface which forms a plane on which the rolling body rolls from the released position to the clamped position.Type: ApplicationFiled: February 4, 2004Publication date: September 28, 2006Inventors: Alexander Zernickel, Thomas Dirnberger, Harald Hochmuth, Guido Grimsmann, Hans Kluemper, Rainer Wilken, Carsten Sass, Holger Kittler
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Publication number: 20060196302Abstract: Clamping device, especially for a steering column, with a first ramp plate, which can rotate relative to a second ramp plate between a released position and a clamped position by changing a distance between the ramp plates is provided. The first ramp plate (2) and the second ramp plate (3) each have at least two lifting ramps (5, 6) arranged in the circumferential direction for roller bodies and at least one guiding recess, and more preferably two diagonal guiding recesses (9, 10), in the plane of the ramp plates (2, 3) for control elements. The lifting ramps (5, 6) and the guiding recesses (9, 10) of the first and the second ramp plate (2, 3) are arranged so that they operate in opposite directions relative to each other. The roller bodies and the control elements are held in recesses (8) of a holding element (4) arranged between the ramp plates (2, 3).Type: ApplicationFiled: December 16, 2005Publication date: September 7, 2006Applicant: INA-Schaeffler KGInventors: Harald Hochmuth, Sigurd Wilhelm, Bernhard Wiesneth, Alexander Zernickel
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Patent number: 6988830Abstract: In a spherical plain bearing comprising an inner ring (2) configured as a spherical body comprising a through-bore, which inner ring (2) is mounted in an outer ring (1) through a slide bushing (3) that surrounds the inner ring (2), the outer ring (1) comprising a spherical inner surface and two diametrically opposite insertion grooves (4) that start from an end face of the outer ring (1) and enable the insertion of the inner ring (2), the slide bushing (3) is slipped onto the inner ring (2) prior to insertion of the inner ring (2) into the outer ring (1) and then shaped without chip removal, so that the slide bushing (3) comes to bear against the spherical outer surface of the inner ring.Type: GrantFiled: April 11, 2005Date of Patent: January 24, 2006Assignee: INA-Schaeffler KGInventors: Dirk Maasch, Harald Hochmuth, Jorg Wagner
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Publication number: 20050211518Abstract: A vehicle roll stabilizer for the chassis of a motor vehicle is provided, with its actuator (3, 38) being energized with independent energy, as necessary, for counteracting a roll. The actuator (3, 38) is provided with at least one additional energy accumulator (33a, 57), with its stored energy additionally counteracting the roll.Type: ApplicationFiled: April 25, 2005Publication date: September 29, 2005Applicants: INA-Schaeffler KG, Luk Lamellen Und Kupplungsbau Beteiligungs KGInventors: Manfred Kraus, Jurgen Osterlanger, Harald Hochmuth, Thomas Dirnberger, Wolfgang Reik, Thomas Pfund
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Publication number: 20050204835Abstract: The invention relates to a roll stabilizer for the chassis of a motor vehicle, comprising an actuator (3), which is mounted between anti-roll bar halves (1, 2) and which rotates these about a rotation axis in opposite directions as necessary. The curved path carriers (4, 5) of the actuator that are assigned to the roll stabilizer halves (1, 2) are each provided with a curved path (17, 18) inside of which a coupling element (13) is guided that can be displaced along these curved paths (17, 18) via an actuating drive (7, 10). The U-shaped or V-shaped curved path (18) of one curved path carrier (5) has two curved path branches (19, 20) that are arranged in a mirror symmetric manner in relation to a longitudinal central plane containing the rotation axis of the actuator (3).Type: ApplicationFiled: April 22, 2005Publication date: September 22, 2005Applicants: INA-Schaeffler KG, LUK Lamellen Und KupplungsbauInventors: Manfred Kraus, Jurgen Osterlanger, Harald Hochmuth, Thomas Dirnberger, Wolfgang Reik, Thomas Pfund
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Publication number: 20050196083Abstract: In a spherical plain bearing comprising an inner ring (2) configured as a spherical body comprising a through-bore, which inner ring (2) is mounted in an outer ring (1) through a slide bushing (3) that surrounds the inner ring (2), said outer ring (1) comprising a spherical inner surface and two diametrically opposite insertion grooves (4) that start from an end face of the outer ring (1) and enable the insertion of the inner ring (2), the slide bushing (3) is slipped onto the inner ring (2) prior to insertion of the inner ring (2) into the outer ring (1) and then shaped without chip removal, so that the slide bushing (3) comes to bear against the spherical outer surface of the inner ring (2).Type: ApplicationFiled: April 11, 2005Publication date: September 8, 2005Inventors: Dirk Maasch, Harald Hochmuth, Jorg Wagner
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Patent number: 6568759Abstract: An adjusting device for carrying out an adjusting function particularly for adjusting a seat of a motor vehicle comprising a housing (5) and a pivoting lever (3) whose one end is applied to a clamping roller switch gear (1) arranged in the housing (5) and comprising drive element (10), which is pivotable by the pivoting lever (3), and a driven element wherein for entraining the driven element, clamping rollers (39) adapted to be clamped between the drive element (10) and the driven element which is mounted on the housing (5) in radial direction through a radial bearing (18), further comprising a switchable clamping roller locking gear (2) arranged within the hosing (5) and whose driven shaft (4) is adapted to be coupled to the driven coupling ring 15 of the clamping roller switch gear 91) for transmitting a rotary motion from the clamping roller switch gear (1) to the clamping roller locking gear (2), wherein clamping rollers (19) are adapted to be clamped between the driven shaft (4) of the clamping roller lType: GrantFiled: June 12, 2001Date of Patent: May 27, 2003Assignee: INA Walzlager Schaeffler oHGInventor: Harald Hochmuth
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Patent number: 6508347Abstract: The present invention concerns a clamping roller switch gear (1) whose drive element (10) can be displaced in opposite directions out of an idling, initial position by actuation of a pivoting lever (3). A driven element (coupling ring 15) of the clamping roller switch gear (1) and the drive element (10) define, together with opposing clamping surfaces, wedge-shaped clamping gaps (37, 38) that taper in opposite directions. In these clamping gaps (37, 38) are arranged clamping rollers (39) that, in the initial position of the drive element (10), are kept out of clamping engagement with the clamping surfaces by a first housing-fixed stop (42).Type: GrantFiled: August 2, 2001Date of Patent: January 21, 2003Assignee: Ina Walzlager Schaeffler oHGInventor: Harald Hochmuth
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Patent number: 6491150Abstract: A switchable clamp-type locking mechanism with an output shaft (3) that rotates in relation to a housing (1) is provided. Furthermore, clamping elements, in particular clamping balls or clamping rollers (4) are provided that are pushed by a spring force into a clamping gap (16) in their clamped position and are confined by a smooth track (15) on the housing (1) and by locking ramps (13, 14) on the output shaft (3). A drive shaft (2) to rotate the output shaft (3) is provided. The clamping elements are moved into a release position using a device by means of which the clamping elements are freed to rotate the output shaft (3). A slide (7) that is fixed to the output shaft (3) is form-locked to the housing (1) in the clamped position of the clamping elements and is disengaged from the housing (1) in the release position of the clamping elements.Type: GrantFiled: June 15, 2001Date of Patent: December 10, 2002Assignee: Ina Walzlager Schaeffler OHGInventors: Harald Hochmuth, Dirk Quitzrau
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Patent number: 6267218Abstract: A clamp-type locking mechanism has a driven element rotatably arranged with respect to a holding element and having ramps which together with a track of the holding element define clamping gaps for receiving spring-loaded clamp rollers. An adjustment element is swingable to a limited extent with respect to the driven element and provided for rotation in unison with the driven element, with the adjustment element having engagement members for moving the clamp rollers out of their clamping gaps. Located between the driven element and the holding element is a friction device for transmitting a friction moment. In order to maintain a correct friction moment during wear of the friction device, a spring mechanism is provided by which the friction device is biased with its friction surface against the holding element.Type: GrantFiled: March 8, 2000Date of Patent: July 31, 2001Assignee: Ina Wälzlager Schaeffler oHGInventors: Harald Hochmuth, Joachim Ritter
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Patent number: 6212965Abstract: A shiftable clamping-type locking mechanism, includes two track-defining elements and a plurality of clamping members, e.g. rollers or balls, arranged between the tracks of the elements and so spring-biased as to seek a clamped position. The clamping members are shiftable by a control unit from the clamped position into a release position in which the clamping members are liberated from the tracks so that the two elements can be freely moved relative to one another. A coupling unit positively connects the two elements to one another in order to prevent an undesired slip between the elements.Type: GrantFiled: January 20, 1999Date of Patent: April 10, 2001Assignee: Ina Wälzlager Schaeffler OHGInventor: Harald Hochmuth
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Patent number: 5896973Abstract: A clamp-type locking mechanism includes a housing (1) with an inner cylindrical clamping surface (3) and with driving elements (5) and driven elements (4) positioned concentrically therewith. The driven element (4) is provided with clamping ramps (23, 24) facing the clamping surface (3), which have arranged thereon clamping roller pairs formed of two clamping rollers (25) successively placed along the circumference. Both clamping rollers (25) are spring-biased by an interposed spring element (26, 30) in direction away from each other towards the clamping surface (3) and the clamping ramp (23, 24), with the driven element (4) being provided with stops (28) for claws (19) of the driving element (5).Type: GrantFiled: May 15, 1997Date of Patent: April 27, 1999Assignee: Ina Walzlager Schaeffler OhgInventors: Harald Hochmuth, Andreas Willaczek, Joachim Ritter
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Patent number: 5704458Abstract: A freewheel cage (1) arranged between two concentric metal machine components (2,3) and comprising at least one reinforcing ring (14) and a plurality of segments (4) made of an injectable or castable material and arranged on a periphery of the reinforcing ring (14), said segments (4) comprising pockets (7) for locking elements (8) defined between axial crossbars (5) and end sections (6) integral thereto, the locking elements (8) being spring-mounted between facing locking surfaces (9, 10) of the machine components (2,3) while expansion gaps (18) are formed between consecutive segments (4), and at least one sliding surface (20) associated to the freewheel cage (1) is arranged on a periphery thereof for sliding contact with a cylindrical surface (10) of one of the machine components (3), the reinforcing ring (14) is inserted into grooves (15) of the segments (4), and the segments (4) and the reinforcing ring (14) respectively comprise recesses (16) and projections (17) which engage positively with one another,Type: GrantFiled: May 20, 1996Date of Patent: January 6, 1998Assignee: INA Walzlager Schaeffler KGInventors: Ernst Neuwirth, Harald Hochmuth
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Patent number: 5067598Abstract: An overrunning clutch comprising clamping rings arranged concentrially in each other with mutually facing clamping paths between which clamping elements are arranged and a switching member arranged equiaxially with one of the clamping rings which is designed to have a variable diameter, acting on this clamping ring by utilizing a wedge-surface effect so that a rotation of the switching member relative to the clamping ring with variable diameter causes a change in the distance between the clamping paths, characterized in that the clamping ring with variable diameter is divided by at least one axial slit and pre-tensioned by at least one spring to oppose the change in distance between the clamping paths which can be effected by the switching member.Type: GrantFiled: March 29, 1990Date of Patent: November 26, 1991Assignee: INA Walzlager Schaeffler KGInventors: Joachim Ritter, Harald Hochmuth