Including Deforming Means Patents (Class 29/725)
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Patent number: 11820171Abstract: An axle assembly and method of assembly. The axle assembly may include a drive pinion and a preload nut. The drive pinion may have a recess. The preload nut may have a deformable ring. The deformable ring may engage the drive pinion inside the recess to inhibit rotation of the preload nut.Type: GrantFiled: January 7, 2021Date of Patent: November 21, 2023Assignee: ArvinMeritor Technology, LLCInventor: Dhanapal Vittala Raya
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Patent number: 11448942Abstract: A rotational mechanism includes a frame, a plurality of rotational units, an inner ring rotatably supported on the frame via the plurality of rotational units, and a rotation driving unit configured to generate power for rotating the inner ring. The inner ring is provided with a protrusion portion on an outer periphery. Each of the plurality of rotational units includes two bearings and a first pressing unit. The first pressing unit is configured to apply pressing forces to the two bearings in opposite directions in a rotational axis direction of the inner race. The protrusion portion is held between the two bearings due to the pressing forces.Type: GrantFiled: October 25, 2019Date of Patent: September 20, 2022Assignee: Canon Kabushiki KaishaInventors: Takeaki Yokoi, Tomonori Nakazawa, Jun Kawata
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Patent number: 9677619Abstract: An anti-friction bearing unit (1), configured at least as a two-row anti-friction bearing with at least one outer ring (4a, 4b) and at least two inner rings (5a, 5b), between which rolling bodies (6a, 6b) are guided on raceways of the bearing rings (4a, 4b; 5a, 5b). A clip ring (14) that engages into annular grooves (12a, 12b) of axially extended sections (8a, 8b) of the adjacent inner rings (5a, 5b) is provided for securing an axial position of the inner rings (5a, 5b). The radially pre-stressed clip ring (14) of U-shaped design is arranged in a non-positive manner on an intermediate step (13) of the inner ring (5a) in a pre-mounting position and can be pushed from there into an end position. In matching positions of the flanks (15a, 15b) of the clip ring (14) and corresponding annular grooves (12a, 12b) of the extended sections (8a, 8b), the clip ring (14) latches in a positively locking manner and brings about an axial connection of both inner rings (5a, 5b).Type: GrantFiled: September 15, 2014Date of Patent: June 13, 2017Assignee: Schaeffler Technologies AG & Co. KGInventors: Marc-Andre Schafer, Martin Sturzenberger
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Patent number: 9186785Abstract: A bearing adjuster is comprised of a grip, an adjusting member, a fixing member and three movable members. The adjusting member is disposed on a protrusion of the grip. The fixing member is disposed on the adjusting member. The movable members are disposed on the fixing member correspondingly. A threaded rod of the grip is screwed in a threaded hole of a positioning protrusion of the fixing member. A sliding block of each movable member and positioning guide blocks of the sliding block are disposed in one of sliding grooves of the fixing member and positioning guide grooves of the sliding groove respectively. A guide protrusion of the movable member is disposed in one of corresponding grooves of the adjusting member. Thus, the bearing adjuster is able to adjust its' diameter to coordinate with different sizes of the bearings.Type: GrantFiled: January 16, 2013Date of Patent: November 17, 2015Inventor: Cheng-Hao Hung
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Patent number: 8533957Abstract: A method of manufacturing bearing seal for use in a roller bearing is provided. A steel coil of a preselected width is fed into a ring rolling machine to form a closed coil ring. The closed coil ring is then welded along the butted joint. The welded closed coil ring is then fed to a series of pre-forming machines wherein the desired profiles of the final bearing seal are formed.Type: GrantFiled: June 14, 2011Date of Patent: September 17, 2013Assignee: Amsted Rail Company, Inc.Inventors: Bryan J. Spurlock, Dwight A. Marcellus
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Patent number: 8499436Abstract: A tool device includes a support lever having two screw holes, a pressing lever, an adjusting member is threaded with one of the screw holes and pivotally coupled to the middle portion of the pressing lever, and a pressing member is threaded with the other screw hole of the support lever and has an end portion for engaging with a rear portion of the pressing lever, a holding member is attached to the support lever and includes a front portion having an opening, and a retaining member is changeably attached to the support lever for engaging with the holding member and for selectively engaging or retaining the ball joint or universal joint between the retaining member and the pressing lever.Type: GrantFiled: January 6, 2011Date of Patent: August 6, 2013Inventor: Wei nan Shen
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Patent number: 8096045Abstract: The present invention relates to device and method for manufacturing a wheel bearing assembly that reduces an error rate by reducing stress concentrated on rolling elements in manufacturing processes of the wheel bearing assembly. The device for manufacturing a wheel bearing assembly may include: a base, on which a hub is mounted, supporting the hub in a case of orbital-forming; a forming tool mounting portion mounted above the base; a rotating portion rotatably connected to an outer ring and rotating or pivoting the outer ring about a hub axis in a case of the orbital-forming; and a forming tool mounted at the forming tool mounting portion, rotating on a first axis slanted to the hub axis by a predetermined angle, and simultaneously orbiting about a second axis parallel with the hub axis.Type: GrantFiled: December 17, 2008Date of Patent: January 17, 2012Assignee: Il Jin Global Co., Ltd.Inventor: John R. Gingrich
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Patent number: 7730617Abstract: A method for connecting a heat-dissipating body and a heat pipe and the structure thereof are used to improve the efficiency of heat conduction. The structure includes a heat-dissipating body and a heat pipe. The central position of the heat-dissipating body is provided with an accommodating trough for accommodating the heat pipe. A plurality of corresponding slots extends outwardly from the periphery of the trough. The other end of the slot is connected to a through hole. Tools are disposed in the slots to widen the slots and thus the periphery of the trough, so that the inner diameter of the trough is larger than the outer diameter of the heat pipe. After the heat pipe penetrates into the trough, the tools are removed, so that the inner wall surface of the trough abuts tightly against the outer circumferential surface of the heat pipe. Thus, the optimal efficiency of heat conduction between the heat pipe and the heat-dissipating body can be achieved.Type: GrantFiled: November 23, 2006Date of Patent: June 8, 2010Assignees: Cpumate Inc., Golden Sun News Techniques Co., LtdInventors: Kuo-Len Lin, Ken Hsu, Chih-Hung Cheng
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Patent number: 7421780Abstract: Methods for fabricating thermal management systems for micro-component devices are described herein. The methods may include initially overlaying a target substrate with a blank that is in sheet form, and stamping a microchannel structure having a plurality of outer walls enclosing a predefined area from the blank. The microchannel structure may then be bonded to a heat dissipating side opposite from a micro-component device facing side of a first substrate, the micro-component device facing side of the first substrate being adapted to thermally engage with the micro-component device. The microchannel structure may then be bonded to a second substrate opposite the first substrate, resulting in a closed volume microchannel being defined. Finally, the defined microchannel may then be substantially filled with a fluid thermal interface material.Type: GrantFiled: January 6, 2006Date of Patent: September 9, 2008Assignee: Intel CorporationInventors: Sabina Houle, James C. Matayabas, Jr.
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Patent number: 7380334Abstract: A clamping device (1) for receiving and for the clearance-free prestressing of a wheel bearing comprises a clamping mechanism (3) which radially prestresses the wheel bearing (8) from the outside.Type: GrantFiled: May 19, 2004Date of Patent: June 3, 2008Assignee: FAG Kugelfischer AGInventors: Lothar Ulmann, Karl Bywalez
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Patent number: 7370418Abstract: Projections 4-formed on a circumferential surface of a roller portion of the sheet feed roller comprise straight grain projections whose projecting direction faces to the rotation direction of the roller portion, and reverse grain projections that are formed in a direction opposite to the surfaces of the straight grain projections. The straight grain projections are formed so as to be adjacent to each other in the axial direction of the roller portion, that is, in the direction of arrow B and are also formed in two or more rows in the circumferential direction of the roller portion, that is, in the direction of arrow A. The reverse grain projections are formed so as to be adjacent to each other in the axial direction of the straight grain projections and are also formed in the circumferential direction.Type: GrantFiled: June 10, 2004Date of Patent: May 13, 2008Assignee: Alps Electric Co., Ltd.Inventors: Kazuo Ueda, Hisashi Takahashi, Hideshi Takahashi, Yuji Inada
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Patent number: 7356905Abstract: Techniques for fabricating high frequency ultrasound transducers are provided herein. In one embodiment, the fabrication includes depositing a copperclad polyimide film, a layer of epoxy on the copperclad polyimide film, and a polyvinylidene fluoride film on the epoxy. The assembly of materials are then pressed to bond the polyvinylidene fluoride film to the copperclad polyimide film and to form an assembly. The polyvinylidene fluoride film being one surface and the copperclad polyimide film being the other surface. The area behind the copperclad polyimide film surface is filled with a second epoxy, and then cured to form an epoxy plug.Type: GrantFiled: May 24, 2005Date of Patent: April 15, 2008Assignee: Riverside Research InstituteInventors: Jeffrey A. Ketterling, Mary Lizzi, legal representative, Frederic L Lizzi
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Patent number: 7325297Abstract: An automatic assembly machine includes a basis (10), a sliding device (30) horizontally movably attached on the basis for supporting a fan (40) thereon, a tube (27) fixed to the basis for receiving a plurality of bearings (28) therein, a diversion station for provisionally holding one bearing thereon, a mounting device (70) vertically movably attached to the basis, a horizontal driving device (60), a vertical driving device (80), and a control device (90) for controlling periodical movement of the horizontal and vertical driving devices. In one period, the vertical driving device drives the mounting device to catch the bearing from the diversion station and then the horizontal driving device drives the sliding device and the diversion station to move to allow the diversion station to receive another bearing from the tube and the mounting device to mount said bearing to the fan upon driven of the vertical driving device.Type: GrantFiled: July 27, 2004Date of Patent: February 5, 2008Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.Inventor: Jian-Ming Xia
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Patent number: 7305759Abstract: In order to improve a device for the manufacture of a shaft assembly for a hydrodynamic bearing by pressing a shaft into a fit bore in a bearing disk, comprising a first pressing tool and a further pressing tool, in such a way that enables high accuracy to be achieved when the shaft is pressed into the bearing disk, with the lowest possible cost and effort in setting up the press, it is proposed that a shaft receiving portion which receives and guides the shaft aligned exactly to a central axis is associated with the first pressing tool, that a bearing disk receiving portion which receives and guides the bearing disk with a flat surface aligned exactly perpendicular to an axis is associated with the first pressing tool, and that for the pressfitting process, the first pressing tool acts on the shaft or the bearing disk by means of a first pressing element and a second pressing tool acts on the bearing disk or the shaft by means of a second pressing element.Type: GrantFiled: September 8, 2004Date of Patent: December 11, 2007Assignee: Minebea Co., Ltd.Inventor: Carsten Etling
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Patent number: 7251892Abstract: A system for adjusting at least one spacer of a bearing assembly includes a force-transmitting member and a preload regulator. The force-transmitting member is configured to operatively receive a force and to transmit the force to an adjustable spacer. The preload regulator includes a first portion and a second portion movable relative to each other with the first portion being movable in response to the force and the second portion being received by and stationary relative to the bearing assembly. The preload regulator further includes a controller coupled to the first portion and the second portion with the controller being configured to detect an electrical contact between the first portion and the second portion.Type: GrantFiled: July 9, 2003Date of Patent: August 7, 2007Assignee: Temper CorporationInventor: Sean Strait
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Patent number: 7194805Abstract: A post bearing and method of manufacture in which bearing balls are loaded into a series of pocket holes arranged along a helical pattern in a sleeve cage. A single groove is swaged into the outside diameter of the sleeve intermediate the ball turns to capture the balls in the pocket holes.Type: GrantFiled: November 5, 2003Date of Patent: March 27, 2007Assignee: Danly IEM, LLCInventors: Brian Lee Taylor, William Fred Heinze
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Patent number: 7121003Abstract: In a manufacturing method and a manufacturing apparatus for a wheel-support rolling bearing unit, when forming a crimped portion 14 on an end (inside end) of a hub main body 8a, by rocking die forging using a die 26, while preventing enlargement of equipment, in order to prevent forming indentations in a second outer raceway 6a and a second inner raceway 12a, in the present invention, the outer ring 1a is turned by a motor 48, and the balls 32 are rotated. A difference is provided between the rotation speed of the balls 32 and an oscillation speed of the die 26. This difference is preferably at least 10 min?1. By rotating the balls 32 the formation of indentations in the second outer raceway 6a and the second inner raceway 12a is prevented. Moreover, by providing the difference between the rotation speed and the oscillation speed of the die 26, an increase in the torque required for rotation the outer ring 1a is suppressed.Type: GrantFiled: December 21, 2004Date of Patent: October 17, 2006Assignee: NSK Ltd.Inventors: Masahiro Yasumura, Nobuyuki Hagiwara, Shoji Horike
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Patent number: 6935026Abstract: The invention relates to a wheel bearing assembly for motor vehicles with a bearing provided with an inner ring and an outer ring, the bearing being fitted with its outer ring into a bearing casing and the outer ring being mechanically supported in axial direction on a first side by a supporting surface provided on the bearing casing. Discrete and preferably evenly arranged stop protrusions are formed on the inner circumference of the bearing casing, the outer ring abutting thereon in axial direction on its second side, and the stop protrusions being formed by locally plastic forming the bearing casing.Type: GrantFiled: October 15, 2002Date of Patent: August 30, 2005Assignee: Visteon Global Technologies, Inc.Inventor: Michael Johannes Frantzen
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Method for manufacturing wheel-supporting hub unit and pressing mold for manufacturing same hub unit
Patent number: 6782622Abstract: A cylindrical portion formed in the inside end portion of the hub is caulked and spread using a pressing mold assembled to an oscillating/caulking apparatus to thereby form the caulking portion. In working or forming the caulking portion, a cylindrical projecting portion formed in the central portion of the leading end face of the pressing mold is inserted into the cylindrical portion to thereby prevent the inside diameter of the cylindrical portion from reducing excessively.Type: GrantFiled: November 26, 2001Date of Patent: August 31, 2004Assignee: NSK Ltd.Inventors: Nobuyuki Hagiwara, Shoji Horike -
Patent number: 6684506Abstract: One or more force application members (e.g., a force transmission member and/or a hydraulic force application member) may be employed to provide a desired adjustment (e.g., a preload and/or a compression) to an adjustable spacer of a bearing assembly. The hydraulic force application member may provide a first stage of the adjustment to the spacer, and the force transmission member may be threadingly rotated to apply a second stage of the adjustment to the spacer. An additional force application member may (e.g., contemporaneously) oppose at least one of the force application members in the providing of the adjustment to the spacer. This opposing force may cause a gap between certain surfaces (e.g., in a press) until the adjustment to the spacer is completed. The closure of the gap may serve to indicate the completion of the desired adjustment to the spacer. A housing rotatable on a portion of the bearing assembly may be prevented from rotating at the closure of the gap.Type: GrantFiled: May 29, 2003Date of Patent: February 3, 2004Inventor: John E. Rode
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Patent number: 6532666Abstract: A hub assembly includes a hub having a flange and a spindle projected from the flange, a housing located around the hub spindle, and an antifriction bearing between the housing and the spindle. The bearing includes an inner race which the spindle initially accommodates in that the spindle has a deformable end over which the inner race is passed. Thereafter, the deformable end is upset into a formed end in a rotary forming procedure that involves forcing the deformable end and a forming tool together while the spindle and tool rotate. The formed end should bear snugly against a back face on the inner race and capture the inner race on the spindle. In the forming procedure the spindle and forming tool are forced together initially in a coarse feed which provides the formed end that bears against the back face of the inner race, then at a fine feed, and finally at a dwell.Type: GrantFiled: November 29, 2001Date of Patent: March 18, 2003Assignee: The Timken CompanyInventors: Wayne V. Denny, Jr., Praveen M. Pauskar, Keith W. Reese
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Patent number: 6006421Abstract: An apparatus is used for pressing a preassembled ball joint cartridge into a bearing eye of a tie rod end, with the ball joint cartridge comprising a ball joint pin, a bearing shell surrounding the joint ball, and a bearing housing that surrounds the bearing shell and is pressed into the bearing eye. In order to be able to press a joint cartridge of this type reliably, exactly, and efficiently into an unmachined bearing eye, the apparatus performs the following procedures. The tie rod end with the bearing eye is placed on a receiving device located on a press table. The ball joint cartridge is placed with its bearing housing in the bearing eye in such fashion that initially only the bearing shell in the end conical area engages, with contact, a matching opposite cone of the bearing eye, while the bearing housing of the joint cartridge still has play in the bearing eye. The bearing eye is centered coaxially with respect to a pressing device and aligned axially and perpendicularly with respect thereto.Type: GrantFiled: January 20, 1998Date of Patent: December 28, 1999Assignee: DaimlerChrysler AGInventor: Milorad Zivkovic
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Patent number: 5970294Abstract: A cylindrical structural body for use in an image forming apparatus and a method of producing the same are disclosed. The structural includes a cylindrical sleeve and flanges or similar end members respectively affixed to opposite ends of the sleeve. The flanges can be firmly and easily affixed to the sleeve without causing the sleeve to deform. The structural body is therefore low cost and highly accurate.Type: GrantFiled: August 12, 1998Date of Patent: October 19, 1999Assignee: Ricoh Company, Ltd.Inventors: Kenji Narita, Yasuhiro Hujimori, Tsuyoshi Imamura, Makoto Nakamura, Kyota Koetuka, Kenichi Ishiguro, Takeo Araki, Takahiro Yasunaga
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Patent number: 5479699Abstract: Apparatus for expanding tubular members, such as U-shaped heat transfer tubes having ends thereof located in the confined space adjacent the curved sides of the bowl-shaped lower plenum of a typical nuclear steam generator. The apparatus includes an elongate mandrel having a flow channel therethrough in communication with a resilient tubular bladder surrounding the mandrel. The bladder is flexible about its longitudinal axis due to the ribbed construction of the wall thereof. The mandrel includes a plurality of segments, adjacent ones of the segments interconnected by a ball-and-socket joint therebetween, so that the segments swivel about respective ones of the ball-and-socket joints. In this manner, the mandrel flexes as it is inserted into the tube end located in the confined space defined by the sides of the bowl-shaped lower plenum of the steam generator. The mandrel also flexes as it traverses the upper U-bend portion of the tube.Type: GrantFiled: February 7, 1994Date of Patent: January 2, 1996Assignee: Westinghouse Electric CorporationInventor: David A. Snyder
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Patent number: 5136777Abstract: Attachment means for mounting a first annular member such as a bearing ring having a first seating surface to a second member, such as a housing. The bearing ring has a plurality of recesses formed therein and is made of a material having a predetermined hardness. The housing has a second seating surface and a contact surface disposed angularly to the second seating surface and a fillet surface defining at least one narrow intermediate space at the juncture of the said second seating surface and contact surface. The recesses in said first seating surface open toward the internal end surface and open out into the intermediate spaces, whereas, at the end facing away from this end surface, the recesses are closed off by a boundary wall. By this arrangement, during assembly of the bearing ring in the bore of the housing or to a journal, material from the housing or journal is removed to fill the recesses and thereby lock the bearing ring in place.Type: GrantFiled: June 14, 1991Date of Patent: August 11, 1992Assignee: SKF GmbHInventors: Uwe Brockmuller, Hans Freund
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Patent number: 5111575Abstract: An apparatus as provided for swaging a bearing lip into a bearing housing chamfer, which apparatus is operable in confined spaces, such as in an aircraft application. The apparatus is operable without requiring the use of clamps or power tools, wherein an axial swaging force is developed through the bearing bore. The apparatus includes miniature rollers that are supported obliquely for an improved swaging operation.Type: GrantFiled: February 24, 1989Date of Patent: May 12, 1992Assignee: Rexnord CorporationInventors: Mark R. Grunze, Robert E. Franzen
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Patent number: 5058262Abstract: Attachment means for mounting a first annular member such as a bearing ring having a first seating surface to a second member, such as a housing. The bearing ring has a plurality of recesses formed therein and is made of a material having a predetermined hardness. The housing has a second seating surface and a contact surface disposed angularly to the second seating surface and a fillet surface defining at least one narrow intermediate space at the juncture of the said second seating surface and contact surface. The recesses in said first seating surface open toward the internal end surface and open out into the intermediate spaces, whereas, at the end facing away from this end surface, the recesses are closed off by a boundary wall. By this arrangement, during assembly of the bearing ring in the bore of the housing or to a journal material from the housing or journal is removed to fill the recesses and thereby lock the bearing ring in place.Type: GrantFiled: November 28, 1989Date of Patent: October 22, 1991Assignee: SKF GmbHInventors: Uwe Brockmuller, Hans Freund
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Patent number: 5058415Abstract: A stamping press tool assembly for delivering parallel forces to a plurality of points angularly spaced around a ring-shaped workpiece, whereby the ring-shaped workpiece is positioned beneath a shouldered hub centered inside the tool assembly, and having a plurality of radial sector rams arrayed between the hub and a bottom plate. The hub receives independent and substantially equal force, providing custom stamping deformation of the workpiece in a uniform manner.Type: GrantFiled: June 25, 1990Date of Patent: October 22, 1991Inventors: John G. Blase, Robert Blase
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Patent number: 4635331Abstract: A method for the production of a guide rail for linear guiding and having a hardened rolling body race groove on opposite sides of the guide rail. In order to minimize production costs and avoid cutting of the race grooves, the race grooves are initially spaced at a distance that is greater or smaller than their finally desired value, by an incremental distance. Grooves are provided centrally in the guide rail between the opposed race grooves, and the race rail is then hardened except in the region of the central grooves. Compression rollers in the race grooves or central grooves are then forced into the guide rail to decrease or increase respectively the distance between the race grooves until the desired distance therebetween is obtained. The method can also be employed when only a single race groove is provided on the rail.Type: GrantFiled: December 14, 1983Date of Patent: January 13, 1987Assignee: SKF Kugellagerfabriken GmbHInventors: Lothar Walter, Walter Reith
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Patent number: 4621402Abstract: The invention pertains to a process and a device for the assembly of universal joints. In order to reduce the defect of center misalignment of the joint parts with respect to each other which characterized the joints after assembly, the center misalignment resulting from different pressing forces on the bearings and from other manufacturing tolerances are measured according to the invention during assembly, whereupon appropriate corrective forces are generated to eliminate the misalignment of the centers.Type: GrantFiled: September 14, 1984Date of Patent: November 11, 1986Assignee: SKF Kugellagerfabriken GmbHInventors: Willi Gossmann, Gebhard Pape, Norbert Klupfel, Josef Stark
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Patent number: 4561157Abstract: Method for forming roller bearing cage lugs into roller retainers. Portions of the lugs provided on bearing cage webs are staked to a preselected depth and a desired retainer conformation in an overlying relationship with adjacent roller receiving pockets in the cage. A punch assembly which accommodates a pair of simultaneous staking operations is employed. The assembly includes a staking punch configured to stake portions of the same lug in opposite directions from each other overlying portions of adjacent receiving pockets or to stake portions of adjacent lugs in opposite directions toward each other overlying opposed sides of the same receiving pocket.Type: GrantFiled: April 22, 1982Date of Patent: December 31, 1985Assignee: TRW Inc.Inventor: Paul H. Johnson
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Patent number: 4559692Abstract: Method of crimping the locking ring of a ball joint. According to the invention, a prestress is applied to the bearing bush (17) to obtain a certain frictional torque between the latter and the spherical pivot while the locking ring (18) is placed on the bush (17); the punching tools (28) comprising a double die (30) are then actuated simultaneously in the direction of the socket (15) so as to deform the latter along two approximately circumferential and parallel zones located on both sides of the ring (18) to surround it without displacing it.Type: GrantFiled: December 15, 1983Date of Patent: December 24, 1985Assignee: Societe Anonyme D.B.A.Inventor: Gerard Morin
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Patent number: 4369558Abstract: Herein disclosed are outer race working method and apparatus of the type, in which such a roughly shaped outer race workpiece of a Birfield type constant-velocity ball joint as is formed with a groove made axially straight at its portion above the joint center and having an axial curvature below the joint center, in which a hexagonal-pillar guide punch and a split mandrel composed of six segments are inserted into the aforementioned groove of the roughly shaped workpiece thereby to iron the inner surface of the aforementioned groove and to form both a center hole corresponding to the center of a ball rolling groove and a face for providing a reference for the axial position of the groove center, and in which the roughly shaped workpiece is then ironed by means of an ironing die, whereby the ball rolling groove is plastically worked all over its surface from its lower portion to its upper portion.Type: GrantFiled: December 1, 1980Date of Patent: January 25, 1983Assignee: Toyota Jidosha Kogyo Kabushiki KaishaInventors: Yasuo Iwata, Hisao Shirai
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Patent number: 4172621Abstract: A method of adjusting a pre-load on or a clearance in bearings and a bearing assembly constructed by this method, wherein a wheel hub is fixed to the outer side of a uniform velocity ball joint stem and two angular contact ball bearings or tapered roller bearings are installed between the hub and a steering knuckle. The bearing assembly comprises a spacer disposed between the inner races of the bearings on the hub, and the elastic deformation, plastic deformation and elastic restoring force of the spacer are utilized for pre-loading adjustment or clearance adjustment of the bearings in the bearing assembly.Type: GrantFiled: September 21, 1977Date of Patent: October 30, 1979Assignee: Toyo Bearing Company, LimitedInventor: Katsuaki Yoshida