Thrust Bearing Patents (Class 384/420)
  • Patent number: 10746224
    Abstract: Provided is a slide bearing of lower cost that is capable of preventing the intrusion of dust, muddy water, etc. and has good sliding performance. In a ring-shaped space (5) formed by assembling an upper case (2) with a lower case, a ring-shaped outer dust seal part (42), which bends with one end (420) contacting the upper case (2) and the other end (421) contacting the lower case, is disposed on the outside of a ring-shaped thrust bearing part (40), and the outer dust seal part (42) is connected to the thrust bearing part (40) by connecting parts (43) that extend radially outward from the outside of the thrust bearing part (40), integrating the two as a dust seal-integrated center plate (4). Disposed between the thrust bearing part (40) and the upper case (2) is a ring-shaped lubrication sheet (6), which has surfaces (62, 63) that slide on the mating surfaces facing same.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: August 18, 2020
    Assignee: OILES CORPORATION
    Inventors: Toshihiko Sekine, Tomohiro Yamada, Katsunori Saito, Yoshiteru Iagarashi
  • Patent number: 10648548
    Abstract: A thrust washer is provided. The thrust washer includes an annular base including a radially extending thrust surface, a further radially extending surface on an opposite side of the annular base from the radially extending thrust surface, an outer circumferential surface extending axially from the radially extending thrust surface to the further radially extending surface and an inner circumferential surface extending axially from the radially extending thrust surface to the further radially extending surface. The thrust washer also includes radially extending connectors extending radially outward from the annular base. A motor vehicle drivetrain assembly, a torque converter and a method of connecting a thrust washer to a component are also provided.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: May 12, 2020
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Sagar Adari
  • Patent number: 10449648
    Abstract: An output member is configured to transfer rotation and torque from a motor of a power tool to a working element of the power tool. The working element is configured to contact a workpiece. The output member includes a hub, an outer shell, and an isolator. The hub is configured to be driven rotationally about an axis of rotation by the motor of the power tool. The outer shell is configured to be coupled to the working element of the power tool. The isolator is interposed between the hub and the outer shell and is configured to electrically isolate the hub from the outer shell.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: October 22, 2019
    Assignees: Robert Bosch Tool Corporation, Robert Bosch GmbH
    Inventor: Andrew Frolov
  • Patent number: 10422374
    Abstract: A synthetic resin-made sliding bearing 1 includes a synthetic resin-made upper casing 3 having a cylindrical outer peripheral side surface 2; a synthetic resin-made lower casing 6 which has a cylindrical inner peripheral side surface 5 opposed to the outer peripheral side surface 2 in a radial direction A and defining in cooperation with the outer peripheral side surface 2 a cylindrical space 4 as a tubular space extending in a vertical direction B intersecting the radial direction A, and on which the upper casing 3 is mounted; a synthetic resin-made thrust sliding bearing 8 disposed in an annular space 7 between the upper casing 3 and the lower casing 6 in the vertical direction B; and a synthetic resin-made radial sliding bearing 9 disposed in the space 4 with a radial inner clearance [=2·(a+b)] with respect to the upper casing 3 and the lower casing 6.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: September 24, 2019
    Assignee: OILES CORPORATION
    Inventors: Kouhei Kurose, Katsunori Saito
  • Patent number: 10421329
    Abstract: A slide bearing (1) is provided with an upper case (2) attached to an upper support for attaching a strut assembly to a vehicle body, a lower case (3) which is rotatably combined with the upper case (2) and which forms an annular space (7), and an annular center plate (4) and sliding sheet (5) disposed in the annular space (7). The upper case (2) has a load-transmitting surface (27) constituting part of an upper surface of the annular space (7), the center plate (4) is provided with an annular recess (43) filled with a lubricant, and the center plate (4) has a bearing surface (41) for supporting loads exerted on the load-transmitting surface (27). The sliding sheet (5), which is disposed between the load-transmitting surface (27) and the bearing surface (41), has a sliding surface (51) that slides against the bearing surface (41).
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: September 24, 2019
    Assignee: OILES CORPORATION
    Inventors: Kohei Takahashi, Kouichi Morishige, Keisuke Imagawa
  • Patent number: 10401757
    Abstract: A developing device includes a developer accommodation frame, a feeding screw including a shaft portion and a helical blade to feed the developer in the accommodation frame by rotation thereof, a supporting member provided with a gear engaged with one end portion of the shaft portion to transmit a rotational force to the feeding screw, and a bearing portion for rotatably supporting the supporting member. In a state that the supporting member is supported by the bearing portion, the one end portion is inside the accommodation frame, and a distance between an end portion of the bearing portion in a rotational axis direction and an end portion of the helical blade closest to the bearing portion is larger than a distance between the end portion of the bearing portion and an end surface of the shaft portion.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: September 3, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takashi Ninomiya
  • Patent number: 10344799
    Abstract: Provided is a sliding bearing wherein radial play is prevented. A sliding bearing (1) comprises: an upper case (2) mounted to an upper support for mounting the strut assembly of a strut-type suspension to a vehicle body; a lower case (3) which is mounted to an upper spring seat for supporting the upper end of the coil spring of the strut-type suspension, is combined with the upper case (2) so that the upper case (2) and the lower case (3) can pivot relative to each other, and forms an annular space (5) between the upper case (2) and the lower case (3); and an annular center plate (4) disposed in the annular space (5) and enabling the upper case (2) and the lower case (3) to pivot relative to each other. The center plate (4) has a circular conical surface-shaped bearing surface (41). The upper case (2) has a circular conical surface-shaped load transmission surface (27) sliding on the bearing surface (42) of the center plate (4).
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: July 9, 2019
    Assignee: OILES CORPORATION
    Inventors: Toshihiko Sekine, Kouichi Morishige, Keisuke Imagawa
  • Patent number: 10302134
    Abstract: A bearing structure includes a bearing and a housing. The bearing rotationally supports a rotation shaft extending in an axial direction. The bearing includes an outer circumferential surface having an arcuate surface that projects outward in a radial direction from an axial end toward a middle portion of the axial direction. The housing includes a bearing accommodation recess that extends in the axial direction to accommodate and hold the bearing. The bearing accommodation recess includes an inner circumferential surface including a cylindrical portion and an abutment portion. The bearing is located at an inner side of the cylindrical portion. The abutment portion partially projects radially inward from the cylindrical portion. The arcuate surface of the bearing abuts against the abutment portion at least at three locations that are separated from one another in a rotation direction of the rotation shaft.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: May 28, 2019
    Assignee: DENSO CORPORATION
    Inventor: Shingo Oomori
  • Patent number: 10253578
    Abstract: A downhole motor may include a power section, a connecting rod assembly, and a drive shaft. The power section may include a stator and a rotor with the rotor configured to rotate eccentrically when a drilling fluid is passed through the stator. The connecting rod assembly operatively connects the rotor of the power section and the drive shaft of the bearing section. The connecting rod assembly may include a housing and a connecting rod. The housing may have a proximal end and a distal end with the proximal end connected to the stator. The connecting rod may include a proximal end including a rigid connection operatively connected to the rotor, a mid flexible rod, and a distal end terminating at or proximate an articulating joint. The drive shaft may be operatively connected to the articulating joint.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: April 9, 2019
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Jay Milton Eppink, Thomas James Fields
  • Patent number: 10024360
    Abstract: A thrust bearing configured to support axial loads that act on a rotating body includes a thrust shaft rotatably supportable in a bearing housing, a thrust collar, and a retainer connected to the thrust shaft and configured to support a plurality of thrust pieces. The thrust pieces each have a front sliding surface in sliding contact with the thrust collar, and the retainer includes a disk having a central opening and an outer circumference and a plurality of radial incisions extending radially inwardly from the outer circumference which incisions have inner ends radially spaced from the central opening. The radial incisions define circumferentially adjacent spring sections each of the which is individually axially flexible against and away from the bearing housing to open and close a spring gap between each of the spring sections and the bearing housing.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: July 17, 2018
    Assignee: SKF MARINE GmbH
    Inventors: Detlef Hammerschmidt, Mathias Rusch, Marko Wrage
  • Patent number: 9897190
    Abstract: A belt-driven starter-generator includes a rotary shaft, and a pulley belt coupled on an outer peripheral surface of the rotary shaft. A key is press-fitted into a pocket formed between the rotary shaft and the pulley belt so as to fix the rotary shaft to the pulley belt. A coupling member is coupled to a thread formed on the outer peripheral surface of the rotary shaft so as to support one side of the pulley belt. Operational reliability and assembly convenience may be improved by the belt-driven starter-generator of the present disclosure.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: February 20, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Hyun Soo Yu
  • Patent number: 9821243
    Abstract: The invention relates to producing kits for games and souvenirs. The invention consists in a node for connecting moving elements thereof in order to perform a connecting action using two groups of components. A first group of components and a second group of components are connected by means of inserting protrusions, which are positioned along opposing edges of at least two individual components of the second group, in at least two rectangular connecting apertures of one of the individual components of the first group, and which are disposed symmetrically relative to a central aperture on each of the individual components of the first group. The second group of components contains at least two individual components which are made in the form of symmetrical pairs. The result consists in the fastest and most-reliable assembly of the node.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: November 21, 2017
    Assignee: TOVARYSTVO Z OBMEZHENOIU VIDPOVIDALNISTIU “UKRAINIAN GEARS”
    Inventors: Gennadii Anatoliiovych Shestak, Denys Viktorovish Okhrimenko
  • Patent number: 9657716
    Abstract: The invention resides in an assembly for rotationally supporting a wind turbine blade (110) relative to a wind turbine hub (120). The assembly comprises an intermediate ring (130) having an inner annular portion and an outer annular portion provided with means for attaching the turbine blade. The intermediate ring is rotatably mounted to the hub via a first bearing arrangement. According to the invention, the first bearing arrangement comprises a radial bearing (140) and a thrust bearing, whereby the inner annular portion is mounted to the hub via the radial bearing and the outer annular portion is mounted to the hub via the thrust bearing. The thrust bearing is a plain bearing comprising first and second sliding surfaces (151, 152) which are clamped to the hub between first and second clamping members (161, 162).
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: May 23, 2017
    Assignee: AKTIEBOLAGET SKF
    Inventors: Dennis Vervoorn, Koos Welling, Jascha Van Pommeren, Johannes Cornelis Theodorus Blom, Peter Klein Meuleman
  • Patent number: 9651091
    Abstract: An aspect is a thrust plate assembly for an air cycle machine. The thrust plate assembly includes an annular body defined by an outer rim and a main bore. The annular body includes a nozzle side and a thrust bearing side. The nozzle side includes a nozzle region proximate the outer rim and a turbine rotor region proximate the main bore, where the outer rim has an outer diameter. The thrust plate assembly also includes a main bore seal installed in the main bore. The main bore seal has an inner diameter, where a ratio of the outer diameter of the outer rim to the inner diameter of the main bore seal is between 3.94 and 3.96.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: May 16, 2017
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Craig M. Beers, Seth E. Rosen
  • Patent number: 9630646
    Abstract: An apparatus for pressing a rack against a pinion of a steering gear assembly includes a housing, a support yoke slidably guided in the housing along an axis, a bearing element that is fixed to the housing in an axial direction, a first elastic element providing an axial load acting upon the support yoke and the bearing element to urge the support yoke against the rack, a wear-compensating abutment member coacting with the bearing element such that a relative rotation about the axis generates an axial displacement of the abutment member relative to the bearing element, and a separate, second elastic element providing a load acting upon the abutment member in a circumferential direction to urge the abutment member against the support yoke.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: April 25, 2017
    Assignee: TRW AUTOMOTIVE GMBH
    Inventors: Marco Lucchi, Luca Tabaglio, Enrico Sarioli
  • Patent number: 9488222
    Abstract: A thrust sliding bearing includes a synthetic resin-made bearing body having a hollow cylindrical portion, an annular collar portion, an annular protruding portion, a tubular projecting portion, an engaging projecting portion, and an annular projecting portion; an annular cover having a disk portion, a tubular portion, and an engaging projecting portion; an annular metal plate having an outer disk portion and an inner disk portion; and a thrust sliding bearing which is interposed between the bearing body and an annular lower surface of the outer disk portion of the annular metal plate and renders the annular metal plate rotatable with respect to the bearing body in a direction about an axis of the bearing body.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: November 8, 2016
    Assignee: OILES CORPORATION
    Inventors: Tsuyoshi Nagashima, Takashi Horiguchi, Kouichi Morishige
  • Patent number: 9447819
    Abstract: The invention relates to a thrust washer (I) having a central hole (2) for pushing onto a bolt or a shaft, wherein the thrust washer (I) has lubricant pockets (4, 4?) on the two flat thrust surfaces (3, 3?) thereof, characterized in that at least one lubricant pocket (4) is assigned a corresponding lubricant pocket (4?) on the opposite thrust surface (3?), and at least one lubricant pocket (4, 4?) is connected to the corresponding lubricant pocket (4, 4?) thereof by way of at least one channel (6) which runs axially through the thrust washer (I) and is formed, in particular, in each case by a hole.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: September 20, 2016
    Assignee: E. Winkemann GmbH
    Inventors: Detlev Dehne, Heinrich Zdrojewski, Bernd Sent
  • Patent number: 9435337
    Abstract: A diameter of a main bearing member 12m is defined as Dm, a length thereof is defined as Lm, a diameter of the eccentric bearing member 11e is defined as De and a length thereof is defined as Le. A ratio (=Lm/Dm) of the length and the diameter of the main bearing member 12m and a ratio (=Le/De) of the length and the diameter of the eccentric bearing member 11e are set to Le/De?Lm/Dm?1. Therefore, contact at edge portions of both ends of the eccentric bearing member 11e does not occur, and it is possible to prevent contact at edge portions of both ends of the main bearing member 12m even if the main shaft 13m inclines, and to reduce a viscosity loss caused by oil 9a. Hence, the present invention provides a scroll compressor securing reliability of the bearing members 12m, 11e and 16s and having high efficiency.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: September 6, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Atsushi Sakuda, Sadayuki Yamada, Takeshi Ogata, Yusuke Imai, Hidenobu Shintaku, Takashi Morimoto
  • Patent number: 9410625
    Abstract: To provide a combined oil control ring with a function of preventing the separate rotation of side rails for a long period of time even under fretting fatigue, seating tabs of a spacer expander are provided with substantially longitudinal projections and recesses on their side-rail-pushing surfaces in a circumferential direction, the width m of a bottom surface being larger than the circumferential length m? of the top surface in each projection, and a surface connecting the top surface to a recess surface having a bulging shape.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: August 9, 2016
    Assignee: KABUSHIKI KAISHA RIKEN
    Inventors: Masahiro Nakazawa, Tadahiko Watanabe, Satoshi Koizumi
  • Patent number: 9400015
    Abstract: A synthetic resin-made thrust sliding bearing includes a synthetic resin-made upper casing which is fixed to a vehicle body side via a mounting member; a synthetic resin-made lower casing which is superposed on the upper casing so as to be rotatable about an axis in a circumferential direction relative to the upper casing; and a synthetic resin-made sliding bearing piece disposed in a space between the upper casing and the lower casing.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: July 26, 2016
    Assignee: OILES CORPORATION
    Inventors: Kouichi Morishige, Takashi Horiguchi
  • Patent number: 9381784
    Abstract: A strut bearing including a cap (2) and a guide ring (3) rotatably mounted about an axis of rotation (D) relative to the cap (2) and including at least one seal, wherein a plain bearing (4) is disposed between the cap (2) and the guide ring (3), and the plain bearing (4) is injection molded onto the guide ring (3).
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: July 5, 2016
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Ralf Stautner, Andreas Wollner
  • Patent number: 9370983
    Abstract: In a synthetic resin-made thrust sliding bearing, a silicone grease whose base oil is a silicone oil, whose coefficient of kinematic viscosity at 25° C. is not less than 100 cSt and not more than 500,000 cSt, and which contains a thickener so as to set its worked penetration to not less than 200 and not more than 400 is interposed at sliding interfaces between, on the one hand, an upper surface of a lower annular flat plate-shaped portion defining a bottom surface of a lower annular recess and a lower surface of an upper annular flat plate-shaped portion and, on the other hand, an upper surface and a lower surface of a thrust bearing piece which are respectively brought into sliding contact with the upper and the lower surface.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: June 21, 2016
    Assignee: Oiles Corporation
    Inventors: Ryohei Kaneko, Masaya Kinjyo, Yoshiaki Furusawa
  • Patent number: 9333438
    Abstract: A block studying tool for an infant, includes: a block body having a hexahedral shape, a lower portion of which is opened; and a plurality of unit assembling portions disposed to protrude from an upper portion of the block body upward and disposed to be spaced a predetermined distance apart from each other, wherein a divider is disposed at an inside of the lower portion of the block body and forms an assembling space in which the plurality of unit assembling portions of the adjacent block body are to be assembled according to positions.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: May 10, 2016
    Inventors: Sang Kil Lee, Young Soon Kim
  • Patent number: 9334897
    Abstract: The thrust slide bearing (1) has a synthetic resin bearing body (2) having a ring-shaped upper surface (5) that functions as a sliding surface, a ring-shaped metal plate (4) that is supported on the ring-shaped upper surface (5) to be freely rotatable relative to the bearing body (2), and a ring-shaped cover (3) disposed so as to cover the ring-shaped upper surface (5) and the ring-shaped metal plate (4). The ring-shaped metal plate (4) has an inner disc section (44) that is formed as a unit with an outer disc section (43) and is disposed in the through hole (25) of the ring-shaped cover (3). The inner disc section (44) also functions as a reinforcing part (rib) of the outer disc section (44). Thereby, the deformation of the thrust slide bearing (1)is prevented even when a large force is applied via the piston rod.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: May 10, 2016
    Assignee: OILES CORPORATION
    Inventors: Tsuyoshi Nagashima, Takashi Horiguchi
  • Patent number: 9267544
    Abstract: A thrust sliding bearing 1 includes a synthetic resin-made lower casing 2, a synthetic resin-made upper casing 3 superposed on the lower casing 2, and a synthetic resin-made thrust sliding bearing piece 4 interposed between said upper casing 3 and the lower casing 2.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: February 23, 2016
    Assignee: OILES CORPORATION
    Inventors: Kouichi Morishige, Ryohei Kaneko
  • Patent number: 9261134
    Abstract: A thrust sliding bearing includes: a synthetic resin-made upper casing; a synthetic resin-made lower casing which is superposed on the upper casing so as to be rotatable about an axis in a circumferential direction relative to the upper casing; a synthetic resin-made thrust sliding bearing piece disposed in an annular space between the upper casing and the lower casing; and a synthetic resin-made seal member for sealing respective other end portions, communicating with the outside, of a first gap on an inner peripheral side and a second gap on an outer peripheral side in a radial direction between the upper casing and the lower casing, the first gap and the second gap respectively communicating with the annular space at their one annular end portions.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: February 16, 2016
    Assignee: OILES CORPORATION
    Inventors: Kouichi Morishige, Takashi Horiguchi
  • Patent number: 9239081
    Abstract: A sliding bearing 1 includes: a synthetic resin-made upper casing 2 which is fixed to a vehicle body side via a mounting member; a synthetic resin-made lower casing 3 which is superposed on the upper casing 2 and on which a spring bearing surface for a suspension coil spring is formed; a synthetic resin-made sliding bearing piece 5 disposed in an annular space 4 between the upper casing 2 and the lower casing 3; and an annular inner seal member 8 and an annular outer seal member 9, both made of a synthetic resin, for respectively sealing an annular gap 6 on an inner peripheral side in a radial direction X and an annular gap 7 on an outer peripheral side in the radial direction X between the upper casing 2 and the lower casing 3, the annular gap 6 and the annular gap 7 allowing the annular space 4 to communicate with the outside.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: January 19, 2016
    Assignee: OILES CORPORATION
    Inventors: Kouichi Morishige, Takashi Horiguchi
  • Patent number: 9217457
    Abstract: A quick adjusting nut (1) made especially for attaching a vehicle wheel to the mounting shaft of a balancing machine, with a housing part (2) and with at least two radially movable thread segments (3) arranged in the housing part (2) and with an actuator (4) for radial movement of the thread segments (3), each thread segment (3) having an inside thread section (3a) and the thread segments (3) being radially movable along guide surfaces (7) of the housing part (2) from an engagement position outward into a disengagement position. The guide surfaces (7) for the thread segments (3) slant upward in the radial outward direction and interact with complementary slanted guide surfaces of the thread segments (3) during movement in the radial direction.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: December 22, 2015
    Assignee: Haweka AG
    Inventor: Dirk Warkotsch
  • Patent number: 9188153
    Abstract: A synthetic resin-made thrust sliding bearing 1 includes a synthetic resin-made upper casing 100, a synthetic resin-made lower casing 200, and a synthetic resin-made thrust bearing piece 300 interposed between the upper and lower casings 100 and 200. If it is assumed that the radial length of the thrust bearing piece 300 up to its outer peripheral surface 303 is (r), and the thickness of an upper annular plate portion 102 at its inner peripheral surface is (t), the upper casing 100 has on its upper surface 108 an annular flat surface 109 having a circular outer peripheral edge with R in a range of R=r±t.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: November 17, 2015
    Assignee: OILES CORPORATION
    Inventors: Ryohei Kaneko, Masaya Kinjyo, Yoshiaki Furusawa
  • Patent number: 9188159
    Abstract: A half thrust bearing having a semicircular ring shape for receiving an axial force of a crankshaft of an internal combustion engine is provided. The half thrust bearing includes thrust reliefs formed adjacently to end surfaces on both sides in a circumferential direction on a slide surface side which receives the axial force so that wall thicknesses become thinner toward the end surfaces. The thrust relief on a rear side in a rotational direction of the crankshaft or both thrust reliefs are formed so that a length of the thrust relief in an inner end portion in a radial direction of the half thrust bearing is longer than a length of the thrust relief in an outer end portion in the radial direction of the half thrust bearing.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: November 17, 2015
    Assignee: Daido Metal Company Ltd.
    Inventors: Shiho Tanaka, Yoshihiro Ozawa, Shinya Maitani, Takeharu Yamamoto
  • Patent number: 9157284
    Abstract: A shock absorber for attachment between a downhole motor and drill bit for drilling a well. Shafts within the tool's housing are supported by radial bearings outside of the shafts, and slideably and rotationally engaged with each other by mating splines. The lower shaft telescopically extends from around the outside of the upper shaft, the extension limited by an upper shaft mandrel ledge against a lower shaft internal shoulder. A biasing mechanism within the shock absorber's housing dampens shock between the motor and bit.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: October 13, 2015
    Inventors: Matthew J. Barnes, Aaron T. Kirk, Christopher J. Rayha
  • Patent number: 9091297
    Abstract: A sliding bearing 1 includes an upper casing; a synthetic resin-made lower casing which is superposed on the upper casing so as to be rotatable about an axis in a circumferential direction relative to the upper casing; a synthetic resin-made sliding bearing piece disposed in an annular space between the upper casing and the lower casing; and a synthetic resin-made seal member for sealing respective other annular end portions, communicating with the outside, of a gap on an inner peripheral side and a gap on an outer peripheral side in a radial direction between the upper casing and the lower casing. The gap and the gap respectively communicate with the annular space at their one annular end portions.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: July 28, 2015
    Assignee: OILES CORPORATION
    Inventors: Kouici Morishige, Takashi Horiguchi
  • Patent number: 9039285
    Abstract: A synthetic resin-made thrust sliding bearing 1 includes a synthetic resin-made upper casing 2 which is fixed to a vehicle body side via a mounting member; a synthetic resin-made lower casing 3 which is superposed on the upper casing 2 so as to be rotatable about an axis O in a circumferential direction R relative to the upper casing 2; and a synthetic resin-made sliding bearing piece 5 disposed in a space 4 between the upper casing 2 and the lower casing 3.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: May 26, 2015
    Assignee: OILES CORPORATION
    Inventors: Kouichi Morishige, Takashi Horiguchi
  • Patent number: 9028150
    Abstract: A thrust sliding bearing includes a synthetic resin-made bearing body having a hollow cylindrical portion, an annular collar portion, an annular protruding portion, a tubular projecting portion, an engaging projecting portion, and an annular projecting portion; an annular cover having a disk portion, a tubular portion, and an engaging projecting portion; an annular metal plate having an outer disk portion and an inner disk portion; and a thrust sliding bearing which is interposed between the bearing body and an annular lower surface of the outer disk portion of the annular metal plate and renders the annular metal plate rotatable with respect to the bearing body in a direction about an axis of the bearing body.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: May 12, 2015
    Assignee: Oiles Corporation
    Inventors: Tsuyoshi Nagashima, Takashi Horiguchi, Kouichi Morishige
  • Patent number: 9016948
    Abstract: A flanged half-bearing includes at least one substantially semi-annular thrust washer with an internal periphery having lateral lugs and an intermediary stabilization lug projecting from the internal periphery of the thrust washer, and a semi-cylindrical half journal bearing shell having lateral recesses and an intermediary stabilization recess that are recessed into an axial end face of the bearing shell and are respectively connected to the lateral lugs and the stabilization lug of the thrust washer, wherein the stabilization lug has rotational stabilization edges that project substantially perpendicularly from the inner periphery of the thrust washer, and the stabilization recess is configured for axial relative movement of stabilization lug. An engine includes at least one such flanged half-bearing.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: April 28, 2015
    Assignees: MAHLE International GmbH, MAHLE Engine Systems UK Limited
    Inventors: Anant Patel, Ha Tran, Nathan Fisher, Philip James, Bredo Leipprand, Marcus Paul
  • Patent number: 9004041
    Abstract: A thrust bearing for use in an engine is disclosed. The thrust bearing may have a ring member with a generally planar front face and a generally planar back face. The thrust bearing may also have a plurality of radially-oriented wedge-shaped channels formed in the front face, and a plurality of recesses formed within the back face. Each of the plurality of recesses may be located in general annular alignment with an associated one of the plurality of radially-oriented wedge-shaped channels.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: April 14, 2015
    Assignee: Electro-Motive Diesel, Inc.
    Inventor: Stephen M. Bednarz
  • Patent number: 9004769
    Abstract: A synthetic resin-made thrust sliding bearing 1 includes a synthetic resin-made upper casing 12, a synthetic resin-made lower casing 22, a synthetic resin-made thrust sliding bearing piece 33 interposed between the upper casing 12 and the lower casing 22, an outer elastic seal member 47 having an inner elastically deformable lip portion 43 and an outer elastically deformable lip portion 46, and an inner elastic seal member 54 having an outer elastically deformable lip portion 50 and an inner elastically deformable lip portion 53.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: April 14, 2015
    Assignee: Oiles Corporation
    Inventors: Kouichi Morishige, Ryohei Kaneko
  • Patent number: 8998497
    Abstract: A thrust sliding bearing includes an synthetic resin-made annular bearing body having an annular upper surface, an annular outer peripheral surface, and an annular lower surface; a synthetic resin-made annular bearing body having an annular lower surface; a sheet metal-made reinforcement member having an annular lower surface and an annular upper surface; a synthetic resin-made thrust sliding bearing piece interposed between the annular upper surface of the reinforcement member and the annular lower surface of the bearing body; and a synthetic resin-made radial sliding bearing piece disposed between an annular inner peripheral surface of a hollow cylindrical portion of the reinforcement member and an annular outer peripheral surface of a hollow cylindrical portion of the bearing body.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: April 7, 2015
    Assignee: Oiles Corporation
    Inventor: Ryohei Kaneko
  • Patent number: 8974121
    Abstract: A thrust plate is provided. The thrust plate includes a first side surface and a second side surface. The thrust plate also includes an inner surface and an outer surface extending axially between the first and second side surfaces respectively. Further, the inner and outer surfaces of the thrust plate define an inner diameter and outer diameter respectively. The thrust plate further includes a number of mounting apertures extending between the first and second side surfaces. The number of mounting apertures is defined proximate to the outer diameter of the thrust plate. A wear layer is positioned radially inward from the mounting apertures. The wear layer is integrated into a stepped portion defining a wear prone area on the first and/or second side surfaces. Further, the wear layer is made of a material different from that of a core of the thrust plate.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: March 10, 2015
    Assignee: Caterpillar Inc.
    Inventor: Paul D. Rudolph
  • Patent number: 8967863
    Abstract: A bearing ring for use in bearing apparatuses is disclosed. Such a bearing ring may comprise a body having a first array and a second array of bearing elements mounted to the body. The body may have an annular shape and the first array and the second array may be a concentric elliptical shapes, including circles. The body may comprise a plurality of bearing element pockets into which the bearing elements are disposed. In one aspect of the instant disclosure, the material of the bearing elements comprises polycrystalline diamond. A bearing apparatus comprising a first bearing ring and a second bearing ring is also disclosed. A drilling system for use in drilling subterranean formations employing the bearing apparatus is also disclosed.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: March 3, 2015
    Assignee: US Synthetic Corporation
    Inventors: Craig H. Cooley, Timothy N. Sexton
  • Patent number: 8961020
    Abstract: A thrust bearing assembly for guiding and driving a piston member having a lead screw for dispensing a medium of a delivery device when the piston member is driven in a first axial direction is provided. The thrust bearing assembly comprises a thrust bearing means for being integrated in the delivery device, a passageway for guiding the lead screw, and a rotary drive means for driving the lead screw and being fitted into or onto the thrust bearing means while being rotatable with regard to the thrust bearing. Further, the thrust bearing means comprises a thrust face which limits axial movement of the rotary drive means when driving the lead screw in the first axial direction. A drive train and a medicament delivery device in which the thrust bearing assembly is integrated are also provided.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: February 24, 2015
    Assignee: Sanofi-Aventis Deutschland GmbH
    Inventors: James Holdgate, Christopher Langley, Christopher Jones
  • Publication number: 20150043849
    Abstract: Bearing assemblies, apparatuses, and motor assemblies using the same are disclosed. In an embodiment, the bearing assembly may include a support ring extending circumferentially about a central axis and a plurality of superhard bearing elements distributed circumferentially about the central axis. Each of the superhard bearing elements may be mounted to the support ring and may include a bearing surface. The bearing assembly may further include one or more thermal management elements including at least one of one or more thermally conductive structures or at least one of the superhard tables exhibiting a non-uniform thickness structured to promote cooling thereof during use. The one or more thermal management elements are in thermal communication one or more bearing surfaces and are configured to promote heat transfer away from the one or more of the bearing surfaces.
    Type: Application
    Filed: August 9, 2013
    Publication date: February 12, 2015
    Applicant: US Synthetic Corporation
    Inventors: S. Barrett Peterson, Jair J. Gonzalez, Timothy N. Sexton, Brigham J. Kindell
  • Patent number: 8931958
    Abstract: In a synthetic resin-made thrust sliding bearing, a silicone grease whose base oil is a silicone oil, whose coefficient of kinematic viscosity at 25° C. is not less than 100 cSt and not more than 500,000 cSt, and which contains a thickener so as to set its worked penetration to not less than 200 and not more than 400 is interposed at sliding interfaces between, on the one hand, an upper surface of a lower annular flat plate-shaped portion defining a bottom surface of a lower annular recess and a lower surface of an upper annular flat plate-shaped portion and, on the other hand, an upper surface and a lower surface of a thrust bearing piece which are respectively brought into sliding contact with the upper and the lower surface.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: January 13, 2015
    Assignee: Oiles Corporation
    Inventors: Ryohei Kaneko, Yoshiaki Furusawa, Masaya Kinjyo
  • Patent number: 8915648
    Abstract: A synthetic resin-made thrust sliding bearing includes a synthetic resin-made upper casing, a synthetic resin-made lower casing, and a synthetic resin-made thrust sliding bearing piece interposed between the upper casing and the lower casing.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: December 23, 2014
    Assignee: Oiles Corporation
    Inventors: Yoshikazu Sakairi, Ryohei Kaneko, Kouichi Morishige, Tsuyoshi Nagashima, Mirai Shida
  • Patent number: 8905640
    Abstract: A thrust ring for an undercarriage in a track-type machine includes an annular body having an outer circular edge and an inner circular edge defining a common center axis. A first set of oil grooves and a first set of thrust faces are positioned in an alternating arrangement on each of a first axial side and a second axial side of the annular body. Each of the oil grooves includes a cross sectional contour shaped to balance an oil flow property of the thrust ring with a strength property of the thrust ring, and defining a non-uniform curve which includes a plurality of curve segments each having a different radial attribute. The thrust ring defines a Plouzek value equal to 1.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: December 9, 2014
    Assignee: Caterpillar, Inc.
    Inventors: Anthony R. Snyder, John M. Plouzek
  • Publication number: 20140355916
    Abstract: A thrust sliding bearing 1 includes: a synthetic resin-made upper casing 2; a synthetic resin-made lower casing 3 which is superposed on the upper casing 2 so as to be rotatable about an axis O in a circumferential direction R relative to the upper casing 2; a synthetic resin-made thrust sliding bearing piece 5 disposed in an annular space 4 between the upper casing 2 and the lower casing 3; and a synthetic resin-made seal member 8 for sealing respective other end portions, communicating with the outside, of a gap 6 on an inner peripheral side and a gap 7 on an outer peripheral side in a radial direction A between the upper casing 2 and the lower casing 3, the gap 6 and the gap 7 respectively communicating with the annular space 4 at their one annular end portions.
    Type: Application
    Filed: August 18, 2014
    Publication date: December 4, 2014
    Inventors: Kouichi MORISHIGE, Takashi HORIGUCHI
  • Publication number: 20140348452
    Abstract: Embodiments of the invention are directed to bearing assemblies configured to effectively provide heat dissipation for bearing elements, bearing apparatuses including such bearing assemblies, and methods of operating such bearing assemblies and apparatuses. In an embodiment, a bearing assembly includes a plurality of superhard bearing elements distributed about an axis. Each superhard bearing element of the plurality of superhard bearing elements has a superhard table including a superhard surface. The bearing assembly includes a support ring structure coupled to the plurality of superhard bearing elements. One or more of the superhard bearing elements includes a superhard table, which may improve heat transfer from such superhard bearing elements.
    Type: Application
    Filed: May 22, 2013
    Publication date: November 27, 2014
    Applicant: US Synthetic Corporation
    Inventors: Jair Jahaziel Gonzalez, Timothy N. Sexton
  • Patent number: 8882357
    Abstract: A thrust sliding bearing includes: a synthetic resin-made upper casing; a synthetic resin-made lower casing which is superposed on the upper casing so as to be rotatable about an axis O in a circumferential direction R relative to the upper casing; a synthetic resin-made thrust sliding bearing piece disposed in an annular space between the upper casing and the lower casing; and a synthetic resin-made seal member for sealing respective other end portions, communicating with the outside, of a gap on an inner peripheral side and a gap on an outer peripheral side in a radial direction A between the upper casing and the lower casing, the gap and the gap respectively communicating with the annular space at their one annular end portions.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: November 11, 2014
    Assignee: Oiles Corporation
    Inventors: Kouichi Morishige, Takashi Horiguchi
  • Publication number: 20140321782
    Abstract: A thrust washer is provided. The thrust washer includes a wet friction material and a phenolic resin layer coating an outer surface of the wet friction material. A torque converter comprising the thrust washer is also provided. A method of forming a thrust washer is further provided. The method includes providing a layer of phenolic resin on an outer surface of a wet friction material.
    Type: Application
    Filed: April 23, 2014
    Publication date: October 30, 2014
    Inventors: Rashid Farahati, Patrick Lindemann
  • Publication number: 20140314356
    Abstract: A flanged half-bearing includes at least one substantially semi-annular thrust washer with an internal periphery having lateral lugs and an intermediary stabilization lug projecting from the internal periphery of the thrust washer, and a semi-cylindrical half journal bearing shell having lateral recesses and an intermediary stabilization recess that are recessed into an axial end face of the bearing shell and are respectively connected to the lateral lugs and the stabilization lug of the thrust washer, wherein the stabilization lug has rotational stabilization edges that project substantially perpendicularly from the inner periphery of the thrust washer, and the stabilization recess is configured for axial relative movement of stabilization lug. An engine includes at least one such flanged half-bearing.
    Type: Application
    Filed: November 7, 2012
    Publication date: October 23, 2014
    Applicants: MAHLE ENGINE SYSTEMS UK LIMITED, MAHLE INTERNATIONAL GMBH
    Inventors: Anant Patel, Ha Tran, Nathan Fisher, Philip James, Bredo Leipprand, Marcus Paul