Patents Examined by Matthieu Setliff
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Patent number: 8529360Abstract: An outer joint member for a fixed type constant velocity universal joint contributes to the reduction of the number of man-hours through the reduction of the number of processes after a forging process, to an increase in yield, and to the reduction of manufacturing cost. The outer joint member is made of machine-structural carbon steel. The portions of the outer joint member that are finished by cold forging are track grooves, radially inner spherical-surface portions, a cup-inlet chamfer, track chamfers, track-inlet chamfers, a part except for a boot fixing portion on a radially outer surface of the cup section, and a center hole at an end surface of the shaft section.Type: GrantFiled: December 18, 2009Date of Patent: September 10, 2013Assignee: NTN CorporationInventors: Masazumi Kobayashi, Kisao Yamazaki, Minoru Ishijima
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Patent number: 8523690Abstract: A boot has a bellows section that includes three or more peak portions and three or more valley portions. A radially outer portion of each of the peak portions in vertical cross-section of the boot is formed into a round shape. A curvature radius of the radially outer portion of a peak portion being positioned at a central portion between a large diameter section and a small diameter section is set to be larger than curvature radii of the radially outer portions of the other peak portions.Type: GrantFiled: December 15, 2009Date of Patent: September 3, 2013Assignee: NTN CorporationInventor: Shinichi Takabe
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Patent number: 8523685Abstract: A torque fluctuation absorber includes a first rotary member formed into an annular shape and including a first protruding portion formed at an inner circumferential surface, a second rotary member connected to the first rotary member, a third rotary member including a second protruding portion formed at an outer circumferential surface, a damper portion absorbing torque fluctuations caused by torsion generated between the second rotary member and the third rotary member, and an elastic member arranged between the first protruding portion and the second protruding portion and absorbing a shock generated when the first protruding portion directly makes contact with the second protruding portion when the damper portion absorbs the torque fluctuations caused by the torsion generated between the second rotary member and the third rotary member.Type: GrantFiled: September 21, 2011Date of Patent: September 3, 2013Assignee: Aisin Seiki Kabushiki KaishaInventors: Tomohiro Saeki, Masanori Suzuki, Yoshitaka Inoshita, Atsushi Yamazumi
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Patent number: 8511929Abstract: An apparatus and method for mounting a trailer/dolly air brake system module onto a mounting surface of a trailer/dolly using a mounting element. More particularly, a trailer/dolly air brake system module is mounted to an I-beam or C-channel of the trailer/dolly via welding methods, fasteners, or clamps. This allows the trailer/dolly air brake system module to be easily removable and replaceable, minimizing trailer/dolly down time as well as diagnostic troubleshooting/repair time. More particularly, the system module is for a trailer/dolly air brake system module. The method allows for continued use of a trailer/dolly vehicle.Type: GrantFiled: February 25, 2009Date of Patent: August 20, 2013Assignee: Haldex Brake CorporationInventors: Victor J. Raye, Jerry J. Donovan, James L. Greene
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Patent number: 8512157Abstract: A vehicle hub unit includes: an outer ring; rolling elements; a hub wheel that is arranged radially inward of the outer ring via the rolling elements; and an inner ring member that is fixed to an end portion of a hub spindle of the hub wheel by clinching. A spline tooth portion that meshes with a tooth portion of a constant velocity joint that transmits driving force to the hub unit is formed at a clinched portion of the hub spindle. A protruding portion is formed at a radially inner side portion of a bottom of the spline tooth portion.Type: GrantFiled: August 10, 2011Date of Patent: August 20, 2013Assignee: JTEKT CorporationInventors: Katsuyuki Harada, Kentaro Shirakami, Naoto Araki
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Patent number: 8512154Abstract: An elastic joint body for the articulated connection of two shaft sections includes a plurality of bushings arranged in the circumferential direction in predetermined angular intervals with respect to a center axis of the joint body, a plurality of loop packets wrapping around two adjacent bushings each, and a rubber-elastic casing at least partially embedding the loop packets and the bushings. In order to prolong the service life of such a joint body and to avoid undesired frictional effects between adjacent loop packets, one support arrangement is at least partially embedded in the rubber-elastic casing, with the support arrangement supporting at least part of a loop packet between adjacent bushings.Type: GrantFiled: May 7, 2009Date of Patent: August 20, 2013Assignee: SGF Sueddeutsche Gelenkscheibenfabrik GmbH & Co. KGInventors: Achim Rothe, Steffen Jerye, Wolfgang Nindel, Thomas Gruenwald
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Patent number: 8506413Abstract: A rotary connector, comprises an annular rotary body inserted outside a steering shaft and integrally rotated with a steering wheel, a rotator of a steering angle sensor inserted outside the steering shaft; and a tubular joint inserted outside the steering shaft and connecting the rotary body to the rotator; wherein the rotary body and the joint are connected together by a first universal joint, and the joint and the rotator are connected together by a second universal joint.Type: GrantFiled: January 27, 2010Date of Patent: August 13, 2013Assignee: Yazaki CorporationInventors: Norihito Suzuki, Hideki Adachi, Tsutomu Sawada
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Patent number: 8506202Abstract: A constant velocity universal joint having a recess-projection engagement configuration in which backlash at a shaft connecting region does not easily occur, and an inner joint component and a shaft can he firmly connected. hi the constant velocity universal joint, the inner joint component and the shaft (5) fitted into an axis hole (22) of the inner joint component are connected by die recess-projection engagement configuration. Engagement contacting regions (38) of projections (35) and recesses (36) corresponding thereto are in close contact over the whole region.Type: GrantFiled: January 17, 2008Date of Patent: August 13, 2013Assignee: NTN CorporationInventors: Tohru Nakagawa, Yuichi Asano, Hiroshi Kawamura, Kiyoshige Yamauchi, Masahiro Ozawa, Kisao Yamazaki, Taku Itagaki
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Patent number: 8500565Abstract: A coupling for connecting two non-collinear associated shafts comprises a pair of sleeves. Each sleeve has a yoke provided at an end portion thereof. The yokes are offset by 90° to one another. Each sleeve further includes a central bore for receiving an end of one of the associated shafts between which motion is to be transmitted. A knuckle is provided between each yoke of the respective sleeves. The knuckle includes a body having a plurality of openings which are offset by 90° to one another. A plurality of pins separate from the knuckle and threadingly engaged to the yokes releasably connect each yoke to the knuckle.Type: GrantFiled: January 12, 2012Date of Patent: August 6, 2013Assignee: Omar Associates, LLCInventors: Chad W. Billman, Elaine A. Chappell, Eric J. Wise
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Patent number: 8500566Abstract: A constant velocity joint for a drive system comprises an outer joint member and an inner joint member each having a plurality of ball grooves in pairs for accommodating balls therein, the ball grooves consisting of a first group of grooves, each groove of which having a linear groove shape with no skew angle or a skewed groove shape with a relatively smaller skew angle, and a second group of grooves, each groove of which having a skewed groove shape with a relatively larger or regular skew angle. In addition to having the differentiated skew angles in the first and second groups of grooves, a taper angle is provided to the pair of grooves of at least one or both of the first and second groups of grooves in order to reduce the potential risk of ball locking in the grooves.Type: GrantFiled: February 9, 2010Date of Patent: August 6, 2013Assignee: Hyundai Wia CorporationInventors: Seung Tark Oh, Tae Hong Kim
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Patent number: 8485908Abstract: A flexible coupler for rotary power transmission may have several rubber bushings oriented in a circle about a coupler axis. The bushings may join two flanged components to form a single coupler. A single coupler may be used in applications where the axes of two transmission shafts are not parallel. Two couplers may be joined by a transmission shaft for applications where the axes of two transmission shafts may be parallel but offset from each other.Type: GrantFiled: July 20, 2011Date of Patent: July 16, 2013Assignee: Walker ManufacturingInventor: Dean M. Walker
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Patent number: 8479901Abstract: A hydrodynamic torque converter with an impeller connected on the drive side arranged in housing and a turbine driven by the latter, connected with the driven side of the torque converter, with a turbine damper actively disposed between the turbine and driven side. To improve the vibration damping on the driven side of the torque converter, the turbine damper with a first damper part is formed out of an input part connected with the turbine and an intermediate flange, limited and rotatable opposite and against the action of at least a first energy accumulator and a second damper part with the intermediate flange and an output part limited and rotatable oppositely and against the action of at least a second energy accumulator. An adaptive-speed vibration absorber is arranged on the intermediate flange.Type: GrantFiled: April 23, 2010Date of Patent: July 9, 2013Assignee: Schaeffler Technologies AG & Co. KGInventors: Dominique Engelmann, Markus Werner, Stephan Maienschein, Christian Dinger
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Patent number: 8469827Abstract: A torque fluctuation absorber includes a seating member having a pivoting portion at an inner portion in a radial direction and a supporting portion, which rotationally supports the pivoting portion, at an end surface in a circumferential direction of a first and a second opening portion. When no relative rotational torsion existing between a first and a second rotational member, the pivoting portion is in contact with the supporting portion and a clearance is defined between a portion on each seating member positioned outwardly in a radial direction relative to the pivoting portion and a portion of the first and the second opening portion positioned outwardly in a radial direction relative to the supporting portion. At a first torsion angle, the portion on each seating member contacts the portion of first or second opening portion in a state where the pivoting portion is in contact with the supporting portion.Type: GrantFiled: September 16, 2011Date of Patent: June 25, 2013Assignee: Aisin Seiki Kabushiki KaishaInventors: Satoshi Nakagaito, Tomohiro Saeki, Kazumi Ogawa
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Patent number: 8465372Abstract: The torque fluctuation absorber includes a flywheel fixed on a first rotating shaft by a fixation member, a damper unit connected with a second rotating shaft and absorbs fluctuation of torque occurred between the first rotating shaft and the second rotating shaft by elastic force, and a limiter unit provided on a power transmission path between the flywheel and the damper unit and inducing a slide when the fluctuation of the torque exceeded a predetermined value. A predetermined member rotates with the first rotating shaft on a power transmission path between the first rotating shaft and the limiter unit. The predetermined member has a side plate at the damper unit and a guide portion that prevents movement radially of a hub member, and the guide portion is provided at radially internal side of the fixation member.Type: GrantFiled: March 23, 2010Date of Patent: June 18, 2013Assignee: Aisin Seiki Kabushiki KaishaInventors: Tomohiro Saeki, Satoshi Nakagaito, Toshiyuki Saburi, Masanori Suzuki, Hiroaki Suezaki
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Patent number: 8460114Abstract: A rotary elastic coupling is fitted with an inner ring and with an outer ring surrounding the inner ring around the periphery by forming an annular slit. An elastomer is provided in the annular slit, which is vulcanized or glued to the inner ring and to the outer ring and fills up the annular slit substantially or completely. The annular slit is meander-shaped around the periphery of the coupling so that radially outward protrusions of the inner ring undercut radially inward protrusions of the outer ring. Around the periphery of the coupling, a relief opening is provided in the elastomer on both sides of the protrusions of the inner ring and on both sides of the protrusions of the outer ring.Type: GrantFiled: April 9, 2009Date of Patent: June 11, 2013Assignee: Voith Patent GmbHInventors: Markus K. Becker, Peter Frohs, Maik Marcinkowski, Michael Holzapfel, Michael Bachmann, Michael Jaros
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Patent number: 8454449Abstract: A vehicle driveline includes a tubular member (62) having an inside surface (64) and an axis, a mounting base (72) coupled to the tubular member (62), and a plurality of resonator members (74) each having a first end (80), a second end (82), and a center portion (84) interposed therebetween coupled to the mounting base and extending therefrom.Type: GrantFiled: November 12, 2007Date of Patent: June 4, 2013Assignee: GKN Driveline North America, IncInventors: Arthur Ball, Crittenden A. Bittick, Craig A. Campbell, Jerry E. Shory
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Patent number: 8454447Abstract: A torque transmission device of a motor vehicle which transmits torque from an internal combustion engine to a torque converter, wherein the torque transmission device includes transmission part connected to the torque converter in a first radius region having a quantity of fastening elements lying on a first radius and connected to the internal combustion engine in a second radius region having a quantity of fastening elements lying on a second radius. To reduce loading of the fastening elements, the transmission part is provided with recesses in the first radius region and/or in the second radius region that extend at least partially over the first or second radius region and lessen the axial rigidity of the transmission part.Type: GrantFiled: February 5, 2009Date of Patent: June 4, 2013Assignee: ZF Friedrichshafen AGInventors: Thomas Bauer, Martin Bremer
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Patent number: 8444495Abstract: A constant velocity joint for a drive system includes an outer joint member and an inner joint member, each having a plurality of ball grooves, the ball grooves consisting of a first group of grooves of a skewed groove shape with a first skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of the outer and inner joint members, and a second group of grooves of a skewed groove shape with a second skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of the outer and inner joint members, the second skew angle less than the first skew angle. In addition to the differentiated skew angles, the contact angles of the balls in the first and second group of grooves may also be differentiated.Type: GrantFiled: October 20, 2009Date of Patent: May 21, 2013Assignee: Hyundai WIA CorporationInventors: Seung Tark Oh, Tae Hong Kim
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Patent number: 8435124Abstract: A variable length steering spindle for a steering mechanism of a motor vehicle includes an outer sleeve, an inner member, a slide sleeve having recesses, and rolling bodies. The recesses and the rolling bodies are configured such that the rolling bodies project from the slide sleeve in a no-load state of the slide sleeve, and in an assembled state of the steering spindle the rolling bodies are prestressed against a raceway face and are displaced in a direction away from the raceway face against a reset force. The slide sleeve contacts the other of the outer sleeve and the inner member when a limit value of torque is exceeded. The rolling bodies are non-displaceable in the longitudinal direction with respect to the slide sleeve or are finitely displaceable between stops formed at distal ends of the recesses.Type: GrantFiled: July 8, 2009Date of Patent: May 7, 2013Assignee: Thyssenkrupp Presta AktiengesellschaftInventor: Christoph Klukowski
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Patent number: 8419551Abstract: In a rotary joint for a rotary shaft device, ring-shaped inner seals and outer seals are projectingly arranged, and concentric with faces of a front joint disk and a rear joint disk opposing with each other respectively. A ring-shaped inner space communicates with forward communication holes, and a ring-shaped outer space communicates with backward communication holes. The inner and outer space are adjacently arranged concentrically between the inner seals and the outer seals. The forward communication holes and the backward communication holes in the reciprocating flow passages and the front joint disk are arranged at an equal distance in the peripheral direction of the opposing faces.Type: GrantFiled: April 25, 2011Date of Patent: April 16, 2013Assignee: Okuma CorporationInventor: Takashi Norihisa