Plural Concave Surfaces With Diverse Curvature Patents (Class 403/124)
  • Patent number: 10066414
    Abstract: An awning arm assembly is provided that includes inner and outer arms. A joint is provided that has an axle, e.g., any structure about which rotation can be provided coupled with one of the inner arm and the outer arm and a hollow body disposed about the axle. The hollow-body is coupled with the other of the inner arm and the outer arm. The hollow body is coupled with the axle such that when the outer arm moves relative to the inner arm the angle between the hollow body and the axle (and thereby the inner and outer arms) is adjusted.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: September 4, 2018
    Inventor: Oliver Joen-an Ma
  • Patent number: 9670963
    Abstract: A constant velocity joint has an inner race and a sleeve. The sleeve connects with the inner race. In addition, the sleeve connects with a pinion shaft via splines. A nut attaches to the sleeve and also the shaft. The nut/shaft attachment is through threads.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: June 6, 2017
    Assignee: Dana Automotive Systems Group, LLC
    Inventors: Seth A. Metzger, Seung Tark Oh, Jeffrey A. Dutkiewicz, Andrew Charles Shupe, Joseph H. Bradfield
  • Patent number: 9595993
    Abstract: A protective case for a smartphone is described herein. The case may include a first frame part, and a second frame for retaining the smartphone therein. One of the first and second frame part has a ball formed at one end thereof, and the other includes a socket adapted to fixedly retain the ball therein. The case further includes a threaded insert attachable to the case for receiving a tripod mount, and an elastomeric element. One of the frame parts is pivotable relative to the other via the ball and socket between open and closed states spanning up to 90 degrees, with one of the two frame parts further rotatable 360 degrees about its own longitudinal axis thereof via the ball and socket. The elastomeric element bears against the ball to provide friction so as to prevent undesired rotation of one frame part relative to the other in all degrees of freedom.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: March 14, 2017
    Assignee: Casecorder, LLC
    Inventor: Stephan J. Lemmer
  • Patent number: 8662783
    Abstract: Ball joints, systems in which they are used, and suspension systems in which the ball joint systems are employed. The ball joints, systems and suspension mechanisms are especially useful for racing vehicles in which premium performance is desired. As an additional feature, the products of this invention are especially appreciated because of the ability to quickly and easily replace or change them.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: March 4, 2014
    Inventor: Kelly Molenaar
  • Patent number: 8608120
    Abstract: A ball-and-socket joint assembly includes a stationary object, a movable object, and a mounting apparatus. The mounting apparatus has first and second rigid link sections, each link section having an upper socket section and a lower socket section, so that an upper receiving space is defined by the two upper socket sections and a lower receiving space is defined by the two lower socket sections. The assembly further includes an upper coupler having an upper ball that is received for rotation inside the upper receiving space, with the movable object secured to the upper coupler, and a lower coupler having a lower ball that is received for rotation inside the lower receiving space, with the stationary object secured to the lower coupler. A link member secures the link sections together with the upper ball retained inside the upper receiving space, and with the lower ball retained inside the lower receiving space.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: December 17, 2013
    Assignee: Adaptiv Technologies LLC
    Inventors: Wayne Chen, Adam Gold
  • Patent number: 8596665
    Abstract: The invention relates to a trailer coupling (1) for fastening to a towing vehicle, having a flange plate (2) and a hitch ball (3), wherein a neck (4) that connects the flange plate (2) and the hitch ball (3) is formed. For a high force load capacity, small installation space requirements, weight efficient constructability and assurance of large swivel angles, it is suggested, that the maximal extent of the neck (4) in a first direction (91) is smaller than in a second direction (92), which is normal to the first direction (91).
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: December 3, 2013
    Inventors: Josef Scharmüller, Josef Scharmüller, Jr.
  • Patent number: 8548681
    Abstract: A power steering device is mounted on a vehicle and includes a torque applying unit and an applied friction torque changing unit. The torque applying unit sets an applied friction torque applied to a steering wheel based on a real steering angle and a target steering angle, and performs a control of applying the applied friction torque to the steering wheel. The applied friction torque changing unit changes the applied friction torque based on a load condition of the vehicle.
    Type: Grant
    Filed: December 26, 2008
    Date of Patent: October 1, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Ikuo Kushiro, Kimiaki Ono
  • Patent number: 8366064
    Abstract: A ball-and-socket joint assembly includes a stationary object, a movable object, and a mounting apparatus. The mounting apparatus has first and second rigid link sections, each link section having an upper socket section and a lower socket section, so that an upper receiving space is defined by the two upper socket sections and a lower receiving space is defined by the two lower socket sections. The assembly further includes an upper coupler having an upper ball that is received for rotation inside the upper receiving space, with the movable object secured to the upper coupler, and a lower coupler having a lower ball that is received for rotation inside the lower receiving space, with the stationary object secured to the lower coupler. A link member secures the link sections together with the upper ball retained inside the upper receiving space, and with the lower ball retained inside the lower receiving space.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: February 5, 2013
    Assignee: Adaptiv Technologies LLC
    Inventors: Wayne Chen, Adam Gold
  • Patent number: 8246266
    Abstract: A first linkage component including a ball socket having a concave profiling and a second linkage component including a projection having a convex profiling received in the concave profiling of the ball socket. A sliding plate carried between the ball socket and projection having a convex profiling conforming to the concave profiling of the ball socket and a concave profiling conforming to the convex profiling of the projection. The convex profilings of the projection and sliding plate have a larger radius of curvature than the concave profilings of the sliding plate and the ball socket. A connecting rod connects the first linkage component, the second linkage component, and the sliding plate together. Wherein the larger radius of curvature of the convex profiling of the sliding plate and projection causes the projection and sliding plate to be further received in the ball socket after abrasive wear to prevent play between components.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: August 21, 2012
    Assignee: Lang-Mekra North America, LLC
    Inventors: Heinrich Lang, Wolfgang Seiboth, Stefan Centmayer
  • Patent number: 8123783
    Abstract: The present invention provides a pedicle screw-based dynamic posterior stabilization system that is used to stabilize the segments of the cervical, thoracic, lumbar, and sacral spine as an adjunct to, or in place of, conventional spinal fusion using bone grafts. The system includes a plurality of pedicle screws, each of the plurality of pedicle screws including a head portion, and the head portion of each of the plurality of pedicle screws forming a first half of a joint that allows relative pivoting movement about the head portion of each of the plurality of pedicle screws and up-and-down movement with respect to the head portion of each of the plurality of pedicle screws. The system also includes a stabilization body coupled to the plurality of pedicle screws, the stabilization body including a plurality of end portions, and the end portions of the stabilization body forming a plurality of second halves of the joints formed by the head portion of each of the plurality of pedicle screws.
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: February 28, 2012
    Assignee: US Spine, Inc.
    Inventor: Robert E. Lins
  • Publication number: 20110305504
    Abstract: A friction ball joint and a method for using the friction ball joint are provided. A clam shell is formed from at least two segments and has a mechanical element extending from one of the clam shell segments. A cap that has a mechanical element extending from the rounded portion of the cap is also provided. This cap covers the joined clam shell segments opposite the mechanical element extending from the clam shell. The clam shell surrounds a spring that pushes the cap against the fixed outer clam shell, creating friction that retains the friction ball joint in the desired position. Further embodiments provide a locking assembly and an external spring or clamp. In these embodiments the spring or clamp is placed over the outside of the ball and clam shell. The ball has holes disposed over its surface to receive a locking assembly to hold the ball joint in the selected position.
    Type: Application
    Filed: June 9, 2010
    Publication date: December 15, 2011
    Inventors: David C. Yu, Michael D. Yu
  • Patent number: 8061921
    Abstract: Disclosed herein is an insert-molded ball joint which is configured such that rotational frictional torque of a ball stud is kept below the appropriate level, pull-out strength of the ball stud is increased, and play of the ball stud is minimized. The ball stud has a spherical head. The spherical head of the ball stud is rotatably inserted into the ball seat. The housing covers the ball seat and a portion of the spherical head that is exposed from the ball seat. The upper end of the ball seat is disposed higher than the center of the spherical head. The housing includes a head support which covers the spherical head. A ball seat grease groove is formed in the inner surface of the ball seat. Housing grease grooves are formed in the head support in a vertical direction and meet the upper end of the ball seat.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: November 22, 2011
    Assignees: Central Lingktec Co., Ltd
    Inventors: Sang Hoon Seol, Young Man Woo, Gi Yong Sung
  • Publication number: 20090314130
    Abstract: A linkage arrangement is disclosed to provide an articulated machine with an arrangement that allows two frame structures to both articulate and oscillate relative to one another. The linkage arrangement includes a three point pivot arrangement with an angled link. Two of the pivots provide for articulation while two of the pivots provide for oscillation. The two pivots involved for oscillation are of lower overall height than the overall height for the two pivots providing the articulation, thereby reducing overall machine height while maintaining structural integrity.
    Type: Application
    Filed: June 19, 2009
    Publication date: December 24, 2009
    Applicant: Caterpillar Inc.
    Inventors: Brian R. Dershem, Thomas P. Ewing, Matthew Flower
  • Patent number: 7452154
    Abstract: A universal joint component is used for connecting two members, such as a reflector and a lamp body. The universal joint component includes a shaft, an installation section formed on one end of the shaft, and a spherical head formed on the other end of the shaft. The spherical head includes a joint base, a top end, and at least one gap formed on a side of the spherical head between the top end and the joining base. The gap is formed of a groove or through hole so as to straddle a phantom line substantially passing through a center of the spherical head and perpendicularly intersecting a shaft axis of the shaft. Split head sections are defined by the at least one gap so that the split head sections flexibly deform when the spherical head is inserted into a spherical socket.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: November 18, 2008
    Assignees: NIFCO Inc., Koito Manufacturing Co., Ltd.
    Inventors: Tomoaki Aoshima, Nobuhiro Hara, Takeyuki Tachiiwa
  • Patent number: 7144182
    Abstract: A ball joint having a housing with a cylindrical cavity that has an open receiving end and a closed retaining end receives a polymeric insert and a non-deformable insert therein. The polymeric insert has a cylindrical outer wall that extends upwardly from a base and the interior of the insert defines a concave spherical contour. The non-deformable insert fits into a slot formed in the base of the polymeric insert and rests against the housing's bottom. A ball stud comprising a shank with a spherical ball at one end thereof snaps into the polymeric insert and the non-deformable insert. A retaining ring slips over the shank of the ball stud into the receiving end of the housing and its inner surface also has a spherical contour conforming to the spherical ball. The inserts, the ball of the ball stud and the retainer ring are held in the housing by forming the periphery of the housing at the receiving end to overlay the retaining ring.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: December 5, 2006
    Assignee: QA1 Precision Products, Inc.
    Inventors: James H. Jordan, James H. Sandlin
  • Patent number: 7037022
    Abstract: A ball-and-socket joint, preferably for chassis suspensions and/or steering mechanisms of motor vehicles, is presented, which has a ball pivot pin (1), which is accommodated rotatably and tiltably in a joint housing (8) with one of its free ends with a spherical joint area (3). The other free end of the ball pivot pin (1) is fixed to a body part. The ball-and-socket joint has a stop device for limiting the tilting movement of the ball pivot pin (1) in the joint housing (8), which comprises a stop element, which is arranged in the bottom area (11) of the joint housing (8) rotationally symmetrically to the longitudinal axis of the sphere and cooperates with the end-side joint area (6) of the ball pivot pin (1).
    Type: Grant
    Filed: October 8, 2002
    Date of Patent: May 2, 2006
    Assignee: ZF Lemförder Metallwaren AG
    Inventors: Stefan Schönhoff, Markus Fischer
  • Patent number: 6776552
    Abstract: A ball joint which uses spherical rollers to reduce the torque friction which tends to inhibit the rotation of the ball within a ball joint assembly. Two sets of spherical rollers are captivated between the ball and two liner rings in the ball joint housing. The ball has two annular raceways which act as the inner raceways for the spherical rollers. Two liner rings have internal diameters which match the configuration of the spherical rollers and which act as outer raceways for the spherical rollers. The two liner rings have external threads and are installed into the housing which has matching internal threads.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: August 17, 2004
    Assignee: The Timken Company
    Inventor: Hiroshi Marunaka
  • Patent number: 6702502
    Abstract: A ball-and-socket joint, preferably for motor vehicles, in which a joint ball formed on a pivot pin is mounted movably in a bearing shell consisting of a plastic, is presented. The bearing shell has recesses accommodating lubricant on its inner jacket surface facing the joint ball and is itself inserted into a housing. According to the present invention, the recesses may be grooves as a structural system with groove sections or depressions of microscopic size extending obliquely in relation to the central longitudinal axis of the ball-and-socket joint. Due to this novel design, a pumping effect is achieved during movements of the joint ball over the groove sections, and this pumping effect draws the lubricant present in the groove sections into the gap between the joint ball and the bearing shell, so that improved lubrication of the ball-and-socket joint compared with the state of the art is guaranteed under all operating conditions.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: March 9, 2004
    Assignee: ZF Lemförder Metallwaren AG
    Inventors: Jürgen Gräber, Werner Stehr
  • Patent number: 6494635
    Abstract: In an angularly adjustable, releasably lockable ball joint, the ball has a surface covered with polygonal patterns of spaced apart protuberances, the protuberances defining concavities. An actuator tip is provided to penetrate at least one concavity and simultaneously contact the protuberances in the pattern to lock the ball and actuator together, thereby fixing the orientation of shanks attached to the ball and actuator.
    Type: Grant
    Filed: August 29, 2000
    Date of Patent: December 17, 2002
    Inventor: Werner O. Merlo
  • Patent number: 6386787
    Abstract: A supporting joint having a casing and a ball pin held therein comprises, on the pin side, a support having a bearing shell and, oppositely to the pin, a pressure shell. A cutout is provided in the central region of the pressure shell. On the rear side the pressure shell is provided with a cover having a support surface. Referred to the installed joint, the thickness of the pressure shell in a central support region, measured in the uninstalled state, is greater than the distance between the ball and the support surface of the cover.
    Type: Grant
    Filed: August 13, 1996
    Date of Patent: May 14, 2002
    Inventor: Helmut Reichelt
  • Patent number: 6341915
    Abstract: A rubber-mounted ball-and-socket joint with stress-optimized bearing geometry is provided. The bearing geometry of a ball-and-socket joint mounted in a rubber-metal bearing is changed such that a sufficiently great pivot angle is guaranteed for the pivot pin and the surface of the elastomer is enlarged at the same time to prolong its life. The bearing is extended beyond the radius of the joint ball on its side located opposite the pivot pin projecting from the bearing. The fulcrum point of the bearing and the fulcrum point of the pivot pin mounted in the inner part having an offset in relation to one another in the axial direction, wherein the inner and outer parts of the bearing are conically expanded. The rubber-mounted ball-and-socket joint may have, on at least one side, at least one insert with a Shore hardness lower than that of the elastomer. The insert may be inserted into the elastomer.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: January 29, 2002
    Assignee: ZF Lemförder Metallwaren AG
    Inventor: Helmut Kammel
  • Patent number: 6109815
    Abstract: In an angularly adjustable, releasably lockable ball joint, the ball has a surface covered with polygonal patterns of spaced apart protuberances, the protuberances define concavities. An actuator tip is provided to penetrate at least one concavity and simultaneously contact the protuberances if the pattern to lock the ball and actuator together, thereby fixing the orientation of shanks attached to the ball and actuator.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: August 29, 2000
    Inventor: Werner O. Merlo
  • Patent number: 5655848
    Abstract: A ball and socket pivot joint includes a housing socket, having upper and lower open ends concentrically disposed about a socket axis, receiving a ball stud including an integral stem extending through the socket lower open end with a lower semi-spherical portion of the ball stud seated on a socket lower bearing seat. The socket upper open end is closed by a pressure member disposed between a housing cap and a pressure plate wherein the pressure plate provides an upper bearing seat for an upper semi-spherical surface of the ball stud. The ball stud lower surface is defined by a pivot center having a first radius of curvature on the socket axis while its upper surface is defined by a variable preload center on the stem axis and having a second radius of curvature a predetermined dimension greater than the first radius of curvature. With the ball joint in a neutral mode the socket and stem axes coincide such that the variable preload center is located on both axes and below the ball stud pivot center.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: August 12, 1997
    Assignee: Chrysler Corporation
    Inventor: Willard E. Catron
  • Patent number: 5638735
    Abstract: A variable displacement compressor that varies its displacement by altering the inclination of a swash plate. A drive shaft is supported rotatably within a housing. A rotor is fixed to the drive shaft. A swash plate is mounted on the drive shaft and adapted to slide and incline with respect to the shaft. A hinge mechanism operably connects the swash plate to the rotor. A plurality of pistons, each accommodated in one of the bores and coupled to the swash plate, are reciprocated in the bore by the rotation of the swash plate. The hinge mechanism includes a guide pin that projects from the swash plate and includes a joint. A support arm projects from the rotor. The support arm includes a receptacle which accommodates the joint and extends toward the drive shaft. A bushing is accommodated within the receptacle and slides along a wall of the receptacle. The bushing is provided with an interior space to accommodate the joint.
    Type: Grant
    Filed: July 24, 1996
    Date of Patent: June 17, 1997
    Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Masaki Ota, Hisakazu Kobayashi, Youichi Okadome, Masaru Hamasaki
  • Patent number: 5588767
    Abstract: In an angularly adjustable, releasably lockable ball joint, the ball has a surface covered with regular polygonal patterns of spaced-apart protrusions. The protrusions each define a concavity. An actuator tip is provided to penetrate the concavity and simultaneously contact all of the protuberances of the pattern to lock the ball and actuator together, thereby fixing the orientation of shanks attached to the ball and actuator.
    Type: Grant
    Filed: June 27, 1995
    Date of Patent: December 31, 1996
    Inventor: Werner O. Merlo
  • Patent number: 5564853
    Abstract: A bearing set for a ball socket joint comprises an outer bearing and an inner bearing with a head of a ball stud engaging a spherical inner seat face of each of the bearings. A compression pre-load is applied when the inner bearing is inserted into a cavity of the outer bearing, a cylindrical outer wedge surface of the inner bearing having a greater diameter than a corresponding diameter of an inner skirt defining the cavity of the outer bearing. The bearing set is subjected to additional compression pre-load when the bearing set and ball stud are inserted into a socket and the socket is closed. The two-piece bearing set promotes easy Joint assembly, results in a joint that is extremely tight with no axial or radial play, but allows necessary ball stud rotation and oscillation, and compensates for wear by a self-adjusting feature whereby some of the compression pre-load is released as wear takes place.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: October 15, 1996
    Assignee: Dana Corporation
    Inventor: Garth B. Maughan
  • Patent number: 5551791
    Abstract: A ball joint has a housing forming a cavity, a ball in the housing, and a stem fixed to the ball and extending downward out of the housing. A rigid cover fixed in the housing upwardly closes the cavity over the ball and a metallic lower ball cup in the cavity traversed by the stem is engaged between a lower portion of the ball and the housing and is complementarily fitted to the lower portion of the ball. A metallic plate-like upper ball cup between the ball and the cover is separate from and out of contact with the lower ball cup and has cutouts defining at least one portion bearing resiliently upward on the cover and at least one portion bearing resiliently downward on the ball.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: September 3, 1996
    Assignee: P. C. Turck GmbH & Co. KG
    Inventor: Eberhard Schneider
  • Patent number: 5222881
    Abstract: A scroll type compressor comprising: a crankshaft having an eccentric shaft portion formed thereon; an orbiting scroll which is given torque by the crankshaft through the eccentric shaft portion; and bearing means for rotatably supporting the crankshaft; wherein at least one of the eccentric shaft portion and the bearing means is constituted by a rotatably engaged bushing and a curved surface portion.
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: June 29, 1993
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Fumiaki Sano, Masahiko Oide, Toshiyuki Nakamura, Hiroshi Ogawa, Norihide Kobayashi, Yoshinori Shirafuji, Takashi Yamamoto, Keiji Sakaino
  • Patent number: 4974985
    Abstract: A ball joint for use in motor vehicles and comprising a one-piece ball head (4) having a simplified construction, an increased bearing surface, and including a ball portion (11) of a smaller radius adjacent to the shank (5), an inner ball portion (10) of a greater radius both having the same center, and an annular shoulder (14) formed between the two ball portions (10, 11) and cooperating with an outer bearing shell half (3) for the smaller ball portion (11) which acts as a stop.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: December 4, 1990
    Assignee: TRW Ehrenreich GmbH & Co. KG
    Inventor: Michael Glatzel
  • Patent number: 4806040
    Abstract: A ball and socket joint which allows the precise positioning of the line of contact between the ball and the socket utilizing a spherically curved socket and an offset radius ball. The significant manufacturing difficulties associated with the shaping of an offset radius socket is avoided by the use of the spherical socket and offset radius ball. Furthermore, the ball and socket configuration enables use of ceramic materials to produce the socket and/or ball components which, in turn, results in a dramatic increase of the life of the ball and socket joint.
    Type: Grant
    Filed: February 12, 1987
    Date of Patent: February 21, 1989
    Assignee: Cummins Engine Company, Inc.
    Inventors: Daniel E. Gill, Shigeo Suzuki, Yasuo Sakata
  • Patent number: 4746247
    Abstract: An improved keyhole latch is provided for securing offshore structures in place. The back flange of the flex joint and latch assembly has a male portion and the load ring of the receptacle has a female portion. By matching the male and female portions, rolling of the load ring and flex joint and latch assembly is minimized and the noncontinuous surface on the load ring is strengthened.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: May 24, 1988
    Assignee: Lockheed Corporation
    Inventors: Edward J. Arlt, III, Frank J. Kovitch, Donald MacLachlan, Charles M. Reinhardt
  • Patent number: 4638893
    Abstract: In a key activated vehicle drum brake telescopically displaceable variable force transmitting elements have been arranged between the key and the brake shoes of the brake. In order to provide a design counteracting axial displacement of the brake shoes the variable force transmitting elements and the brake shoes have interengaging contact surfaces, the curve radius of the ends of the elements in a plane containing the drum axis are more than twice the curve radius of the same surfaces in planes perpendicular thereto.
    Type: Grant
    Filed: November 20, 1984
    Date of Patent: January 27, 1987
    Inventor: Sven E. Camph
  • Patent number: 4287968
    Abstract: A device at a brake actuator for permitting thrust force transmission between an axially movable push rod (4) of the actuator and a brake block holder (6) moving out of line with the push rod.In order to ensure force transmission irrespective of the brake block holder movements and to avoid any slippage between the members a transmission part (5) is arranged between the push rod (4) and the brake block holder (6) and has spherical surfaces in engagement therewith, these surfaces having a common center.
    Type: Grant
    Filed: October 16, 1979
    Date of Patent: September 8, 1981
    Assignee: SAB Industri AB
    Inventors: Bo G. Stensson, Jan O. Harstrom, Jan Csiba
  • Patent number: 4286363
    Abstract: The invention is a method of assembly for a ball-and-socket joint of the preloaded type with automatic taking up of play, comprising a housing, a pivot, a bearing element disposed between these later and a locking ring. After the disposing in the housing of the various components of the joint, the latter is axially loaded until a predetermined value is obtained for the tilting torque, and once this value is obtained, the ring is crimped in the housing by means of punches acting radially, without alteration of the predetermined value of the tilting torque. Application of the ball-and-socket joint assembly in particular for suspension or steering of an automobile vehicle.
    Type: Grant
    Filed: January 4, 1980
    Date of Patent: September 1, 1981
    Assignee: Societe Anonyme D.B.A.
    Inventor: Gerard Morin
  • Patent number: 4185544
    Abstract: A piston comprising a lower part with a bore having a concave surface against which abuts the convex surface of a head of an expansion socket, the center of curvature of the concave surface lying on the axis of the bore and the head being formed in two halves with each half having a center of curvature lying offset from the axis of the bore.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: January 29, 1980
    Assignee: Mahle GmbH
    Inventor: Frantisek Kolar
  • Patent number: 4129343
    Abstract: A self-aligning bearing has an outer radial bearing ring formed with a convex outer surface mounted in a concave outer casing having a complementary surface to provide limited universal angular movement of the bearing. Axial thrust bearings are provided at opposite ends of the bearing between the ends of the outer radial bearing ring and radial flanges on the ends of the inner radial bearing ring, to allow movement of the outer bearing ring and prevent overloading of the bearing ends of the bearing members.
    Type: Grant
    Filed: October 12, 1977
    Date of Patent: December 12, 1978
    Assignee: Nadella
    Inventor: Pierre A. Janssen
  • Patent number: RE36604
    Abstract: A scroll type compressor comprising: a crankshaft having an eccentric shaft portion formed thereon; an orbiting scroll which is given torque by the crankshaft through the eccentric shaft portion; and bearing means for rotatably supporting the crankshaft; wherein at least one of the eccentric shaft portion and the bearing means is constituted by a rotatably engaged bushing and a curved surface portion.
    Type: Grant
    Filed: June 23, 1995
    Date of Patent: March 7, 2000
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Fumiaki Sano, Masahiko Oide, Toshiyuki Nakamura, Norihide Kobayashi, Hiroshi Ogawa, Yoshinori Shirafuji, Takashi Yamamoto, Keiju Sakaino