Abstract: In a rolling bearing device for a road-wheel including an inner shaft 1 that is provided with, on its outer-side end 10, a flange 4 on which a road-wheel member mounted, and an outer ring 2 disposed around the inner shaft 1, the inner shaft has, on its outer side, a hair-line pattern portion 5 that is formed by turning and that permits the manufacturing attribute of the bearing device to be identified based on the difference in the form of hair lines so formed. This permits the manufacturing attribute of the bearing device to be identified after the bearing device is assembled in a vehicle body. Furthermore, the representation of the manufacturing attribute can be readily implemented during a manufacturing step.

Abstract: An object of the present invention is to provide a yo-yo with a high rotary precision, capable of easily and reliably centering even in assembling or disassembling the yo-yo, using a bearing unit having a ball bearing with a simple configuration and high centering precision. A bearing unit (10) for a rotary toy includes: a shaft (15) including: a center portion (16) having a uniform shaft diameter corresponding to a width of an inner ring (12) of a ball bearing (11); and tapered portions (17) each extending from the center portion, each of the tapered portions being tapered toward an end portion thereof. The central portion (16) of the shaft (15) is fixed to the inner ring (12).

Abstract: The present invention is an anti rotational creep bearing including a socket designed in the inner race of the bearing for partially receiving an anti creep ball therein, further including a shaft onto which the bearing is to be longitudinally mounted, including a channel defined along a longitudinal direction for receiving there along the anti creep ball projecting from its socket, wherein the depth of the socket plus the depth of the channel is at least equal to the diameter of the anti creep ball, such that when the bearing is installed on the shaft, the anti creep ball prevents creep in the rotational direction, however allows movement in the axial direction.

Abstract: A rotatable performance device, such as a yo-yo, is modifiable such that the device can act as a relatively responsive device for beginners and a relatively stable device for advanced users. Spacers that facilitate these modifications and a method for configuring the spacers to change the device's responsiveness and stability are also disclosed.

Abstract: A bearing unit has four rolling bearings adjacently disposed in an axial direction, each rolling bearing including an inner race, and outer race, and rolling elements interposed between the inner and outer races. A shaft is fitted to the inner races, and a sleeve has a fitting hole into which is fitted the outer races. The inner races or the outer races are brought into contract with each other in the axial direction to preload the rolling bearings. The inner races or the outer races of the rolling bearings at both axial ends, which are brought into contact with the inner races or the outer races of adjacent rolling bearings, are fixed to the sleeve, and the outer races of the central two rolling bearings form a radial gap between confronting surfaces of the sleeve and the outer races or between confronting surfaces of the shaft and the inner surfaces.

Abstract: The present invention is an anti rotational creep bearing including a socket designed in the inner race of the bearing for partially receiving an anti creep ball therein, further including a shaft onto which the bearing is to be longitudinally mounted, including a channel defined along a longitudinal direction for receiving there along the anti creep ball projecting from its socket, wherein the depth of the socket plus the depth of the channel is at least equal to the diameter of the anti creep ball, such that when the bearing is installed on the shaft, the anti creep ball prevents creep in the rotational direction, however allows movement in the axial direction.

Abstract: Provided is a roll unit to be dipped in a surface treatment liquid of a copper foil, wherein a bearing box for housing a roil shaft is configured from two bearing boxes that are divisible, one of the bearing boxes is configured from a roll-side bearing box arranged on a roll main body-side and the other bearing box is configured from a shaft end-side bearing box arranged on the shaft end-side of the roll, a shaft sleeve covering an outer periphery of the roll shaft is provided in the roll-side bearing box and an oil seal is provided along an outer periphery of the shaft sleeve, and a bearing for rotatably supporting the shaft is disposed in the shaft end-side bearing box.

Abstract: A method of manufacturing a rolling bearing device for a road-wheel that includes an outer ring, an inner ring member, rolling elements arranged between the outer ring and the inner ring member, and a shaft body having the inner ring member mounted to an outer periphery includes a caulking step of radially outwardly bending and deforming a cylindrical portion formed at one end side of the shaft body by using a predetermined caulking pressure acting from the one end side toward other end side of the shaft body, thereby forming a caulked portion caulked to an axial end face of the inner ring member. Identification information indicating an existence of the caulked portion so formed is die-stamped on a visually observable surface at the other end side of the shaft body by using the caulking pressure during the caulking step.

Abstract: To provide a wheel support bearing assembly, in which the sufficient proof strength of an inner race during assemblage onto the vehicle body can be secured without its function being lowered, the wheel support bearing assembly includes an outer member, an inner member, and rows of rolling elements interposed therebetween. The inner member includes an hub axle having a flange and an inner race on an inner race mount, with raceways defined in the hub axle and the inner race. The inner race has a counterbore at its inboard end. The hub axle has a plastically deformed portion which engages an axially oriented surface of the counterbore when radially outwardly crimped and does not protrude outwardly beyond an inboard end face of the inner race. The difference P between the inner race mount and an outer peripheral face of the plastically deformed portion is 0.13 mm or more.

Abstract: A vehicle wheel bearing apparatus has an outer member (10), an inner member (1) and double row rolling elements (6, 6) freely rollably arranged between the outer and inner raceway surfaces (10a, 10a; 2a, 3a), respectively, of the outer and inner members (10 and 1), via cages (7). An annular projection (12) is formed on the outer circumferential surface at an inboard side end of the cylindrical portion (2b) of the wheel hub (2). An annular recess (13) is formed on the inner circumferential surface at the inboard side end of the inner ring (3). The annular recess (13) corresponds to the annular projection (12) and has a difference in height slightly larger than that of the annular projection (12). The inner ring (3) is press fit onto the cylindrical portion (2b) of the wheel hub (2) with the recess (13) engaged by the projection (12).

Abstract: An inner ring, an outer ring, a circular cone roller constituting a rolling elements arranged between the inner ring and the outer ring, a first seal member arranged at an opening portion between the inner ring and the outer ring, and a second seal member arranged on an outer side in an axial direction of the first seal member are provided, the second seal member includes a core fixed to the outer ring, an elastic ring-like member fixedly attached to the core and having at least one lip, and an outward attached slinger having a section in a channel-like shape fixed to the inner ring to cover the core and the elastic ring-like member and having a portion of a section in an L-like shape and a circular cylinder shape portion.

Abstract: Piston engine with a housing in which a shaft (19) is rotatably mounted in two pivot bearings of which at least one pivot bearing has an inner ring (26a) which is seated without radial clearance of motion on a supporting region (28) of a bearing section (19c) of said shaft (19). In order to prolong the working life of the at least one pivot bearing, the axial length of the supporting region (28) corresponds to a central region (a) of the bearing section (19c), a radial clearance of motion being disposed, at the two outer regions (b, c), between said outer regions (b, c) and the inner ring (26a).

Abstract: An assembly arrangement between an inner race of a bearing and a journal supported in rotation in this bearing includes a journal annular groove and a race annular groove which interact to form an annular channel when they are placed opposite one another. The assembly further includes a retaining ring placed in the annular channel, which prevents a relative movement in translation between the journal and the inner race. The assembly also includes at least one recess of the journal and at least one tooth of the inner race, which interact to prevent a relative movement in rotation between the journal and the inner race.

Abstract: A bicycle hub is provided that comprises a hub axle, a hub body, a bearing and a clearance adjusting member. The bearing includes an outer ring coupled to the hub body, an inner ring coupled to the hub axle, and a plurality of rolling components disposed between the outer ring and the inner ring. The clearance adjusting member is disposed with respect to the outer ring of the bearing such that at least a portion of the clearance adjusting member is disposed axially inwardly of the outer ring. The clearance adjusting member is configured and arranged to prevent a grease inside the bearing to leak toward an axially inward direction of the hub axle with a prescribed radial clearance being maintained between the clearance adjusting member and one of the hub axle and the outer ring of the bearing.

Abstract: Provided is an apparatus for conveying an article on a plurality of rotatable main shafts arranged in parallel. The apparatus includes a plurality of auxiliary shafts inserted through the main shafts, respectively, so as to prevent deflection or bending of the main shafts, and a plurality of bearing members disposed between the main shafts and the auxiliary shafts for supporting the main shafts and allowing rotation of the main shafts. Therefore, the main shaft can be prevented from deflection or bending caused by its own weight or an article placed thereon.

Abstract: An endless belt (11) to be provided on a driven pulley (4b) and a pulley rotation support apparatus for supporting the driven pulley (4b). In the pulley rotation support apparatus, there is used a three-point-contact-type or four-point-contact-type radial ball bearing (14b). An offset quantity ?, which is an axial-direction distance between the center ? of a radial load applied from the endless belt (11) to the driven pulley (4b) and the center position ? of the radial ball bearing (14b), is set 40% or less of the pitch circle diameter of the radial ball bearing (14b). The radial clearance of this radial ball bearing (14b) is set 0.2% or less of the above pitch circle diameter.

Abstract: A hub joint for supporting bearings adapted to rotatably receive a shaft. The joint includes an upper annular portion having a radially inner boundary and an upper bearing mount attached to the inner boundary of the upper annular portion. The upper bearing mount has a radially inner surface forming a conical upper bearing seat. The joint further comprises a lower bearing mount attached to and positioned below the upper bearing mount. The lower bearing mount has a radially inner surface forming a conical lower bearing seat. The joint also comprises a lower annular portion having a radially inner boundary attached to the lower bearing mount.

Abstract: A radial ball bearing 14 of the three point contact type or four point contact type is used for the rolling bearing for a compressor pulley. The offset amount &dgr;, that is the axial distance between the center &agr; of the radial load applied to the follower pulley 4 from the endless belt 11, and the center &bgr; of the radial ball bearing 14 is 40% or less of the diameter of the pitch circle. In addition, the radial clearance of the radial ball bearing 14 is 0.2% or less of the diameter of the pitch circle. With this construction, the durability of the rolling bearing to support the follower pulley 4 is secured while made compact.

Abstract: A reliable bearing wheel assembly comprising a shaft, an inner race, an outer race, and rollers or other bearing elements between the inner and outer races, wherein the inner race is reliably prevented from both rotating and moving axially relative to the shaft, even when there is bearing failure. A first pair of axially extending grooves are provided in the outer surface of an end portion of the shaft and in the inner surface of the inner race respectively which in combination define a first keyway. A second pair of axially extending grooves are provided in the outer surface of the shaft end portion and in the inner surface of the inner race respectively which in combination define a second keyway. A first key is received in the first keyway. A fastener having a threaded shank portion threadedly engages a threaded bore which extends axially in the shaft end portion. A head portion of the fastener engages the inner race and at least partially covers the first keyway to block escape of the first key therefrom.

Abstract: A roller is structured so that one or a plurality of grooves are recessed on an outer peripheral surface of an outer race in a bearing, a part of a synthetic resin tire integrally adhered to the outer race of the bearing is inserted and welded within a groove on the outer peripheral surface of the outer race in the bearing, whereby a firmer adhesion force can be obtained. Accordingly, a more firmly adhered fitting body is prevented from being peeled off from the outer race of the bearing and the tire and the outer race of the bearing are prevented from separately racing even when the bearing is exposed to a heavy load and rotates at a high speed, that is, the roller is adhered so as to prevent the tire and the bearing from rotating relative to each other.

Abstract: A roller is structured such that one or more grooves are recessed on an outer peripheral surface of an outer race in a bearing. A part of a synthetic resin tire is integrally adhered to the outer race of the bearing and is inserted and welded within a groove on the outer peripheral surface of the outer race in a bearing, whereby a firmer adhesion force can be obtained. Accordingly, a more firmly adhered fitting body is prevented from being peeled off from the outer race of the bearing and the tire and the outer race of the bearing are prevented from separately racing even when the bearing is exposed to a heavy load and rotates at a high speed, such that the roller is adhered so as to prevent from rotating.

Abstract: A roller is structured such that one or a plurality of grooves are recessed on an outer peripheral surface of an outer race in a bearing, a part of a synthetic resin tire integrally adhered to the outer race of the bearing is inserted and welded within a groove on the outer peripheral surface of the outer race in the bearing, whereby a firmer adhesion force can be obtained. Accordingly, a more firmly adhered fitting body is prevented from being peeled off from the outer race of the bearing and the tire and the outer race of the bearing are prevented from separately racing even when the bearing is exposed to a heavy load and rotates at a high speed, that is, the roller is adhered so as to prevent from rotating.

Abstract: A structure for mounting a rotating machine element, such as a drum pulley, idler, roller or the like includes first and second bearing sets secured to first and second end disks of the rotating member. The first bearing set is secured to a stationary shaft by means of a locking assembly. The locking assembly includes a wedge-shaped sleeve or adapter which is secured between the inner race of the first bearing set and the stationary shaft. During installation of the locking assembly, the second bearing set remains slidable along the shaft, thereby avoiding pre-loads or stresses in either bearing assembly or the components of the rotating member. Once the rotating member has been fixed in a desired position along the shaft by means of the locking assembly, a retaining element may be placed adjacent to the second bearing set. The structure may be easily disassembled by the reverse process.

Abstract: An apparatus is provided for accurately guiding and treating textile strips of great width using a quasi-continuous roll which does not bend. The roll is used for guiding material presented in strip form, in particular a textile material which is in contact with a peripheral portion of the roll. The roll is sub-divided into tubular segments attached to one another by flanges supported by an inner ring of a ball bearing. An outer ring of the ball bearing is fixed in a collar integral with a support. In an angular region other than the one which is in contact with the material, the support, made from thin and flat sheet steel, extends radially outwardly to a region of attachment to the frame.

Abstract: A rotatable assembly for supporting the rotor of a vacuum pump with a plurality of gas pumping stages formed by cooperating rotor discs secured to the rotor and stator rings integral with a body, comprising rotatable means for supporting the shaft of the rotor that are housed within this shaft.

Abstract: A magnetic disc drive motor contains a frame; a fixed shaft mounted on the frame; a lower bearing member mounted on a lower portion of the fixed shaft, the lower bearing member being provided with a roller ring rotating about the fixed shaft, the lower bearing member being provided with a loading portion defined at one end of the roller ring; an upper bearing member mounted on the upper portion of the fixed shaft, the upper bearing member being provided with a cylindrical roller ring; and a motor including: a rotor fixed under a loading surface portion of the loading portion of the lower bearing member; and a stator disposed inside the rotor and fixed to a frame, wherein each of the roller rings is fitted in the center hole of a magnetic disc and an inner peripheral portion of the magnetic discs are loaded on the loading portion.

Abstract: A wheel bearing unit for example for use in a motor vehicle, including an antifriction bearing clamped on the hub. The hub includes a bore which defines a tubular hub part that prior to deformation extends past the axially outer end of the inner ring of the bearing. The tubular hub part is deformed radially outward around the radially inner, axially outer edge of the inner ring to clamp the inner ring and the bearing to the hub. Features of the inner ring and hub for enabling such clamping are disclosed including the hub material hardness, the hub having a tubular part of a particular wall thickness and a length protruding beyond the axial end of the bearing, the radius of the edge of the inner ring about which the bead is formed, the thickness of the bead and its angle of inclination both with reference to the end of the inner ring and to the interior bore, and the depth of the bore.

Abstract: An improved composite roller for use with seat suspension assemblies has a plastic roller surface injection molded around a metal insert which has a needle bearing coaxially disposed within the metal insert.The metal insert has a ribbed surface and opposing chamfered edges so as to secure the plastic roller surface to the metal insert.

Abstract: A tremolo system for a stringed instrument includes a base plate (10) secured to the upper surface of the body (2) of the instrument and provided with a transverse slot (12) feeding into a hollow volume (6) within the body (2), the base plate carrying a pair of laterally opposed first bearing portions (20) located within the body (2) one below each end of the transverse slot (12), and a block member (22) carrying second bearing portions (24) co-operating with the first bearing portions (20) whereby the block member (22) is pivotal about an axis extending transversely of the body (2) below the upper surface thereof. A tremolo lever (30) is secured to an upper extent (26) of the block member (22) projecting from the slot (8), while resilient mechanisms (34) react between a lower extent (36) of the block member (22) and the body (2) to maintain the block member (22) in a position of equilibrium against the tension of the strings (4).

Abstract: A manually operated winch crank is characterized by a crank arm having a shaft extending at right angles to the arm, a tubular handle rotatably mounted on the shaft, and a reduced height knob rotatably mounted above the tubular handle. The tubular handle is manually operated with the palm parallel to the axis of rotation, and the knob is operated with the palm perpendicular to the axis of rotation.

Abstract: A bearing has an inner ring coaxial to and rotatable relative to an outer ring. A central bore of the inner ring accommodates a multi-sided shaft in at least two positions that are angularly offset relative to each other. Each position provides a different fit between the inner ring and the shaft. A preferred embodiment has a 12-pointed star-shaped bore defined by the superposition of two hexagons of slightly different scale, to accommodate a hexagonal shaft in either of two positions. The second position provides a tighter fit between the bearing and the shaft without requiring tighter manufacturing tolerances.

Abstract: A spindle unit adapted to be used for miniature motors and miniature rotors.

Abstract: A wheel bearing unit for motor vehicles, and the like, having an outer ring and two rows of anti-friction rolling elements in the outer ring. An axially inward hub has one race for one row of rolling elements. An axially outer part of the of the bearing unit has another row of rolling elements on its periphery. One of the hub or the outer part has an axially projecting pin projecting toward the other. The other of the outer part and the hub has a sleeve with an internal bore into which the pin projects. The periphery of the pin and the interior of the bore are stepped complementary to one another such that when the hub and outer part are brought together, they are stabilized thereby. An axially directed projection projects from the axially forward end of the pin into engagement with the bottom of the bore. When the outer part and hub are relatively rotated, the contact is sufficiently heated to friction weld the end of the axially directed projection to the bottom of the bore.

Abstract: A wheel mount for a motor vehicle including a hub which is welded to another part, such as a swivel joint or a holding part. The hub carries on it the inner ring of the anti-friction bearing for the hub. Projecting axially from the hub and from the other part are correspondingly radially spaced projections which, prior to welding and deformation of the projections, are of lengths great enough to hold the hub and the other part axially apart. Upon welding temperature being achieved at the projections, e.g. by friction, the hub and the other part are pressed together which deforms the projections, forming beads of deformation, and the hub and other part are welded at the beads of deformation. The hub and other part are pressed together until the axial ends of the hub and other part contact.

Abstract: A ring-shaped machine part of relatively hard material with an essentially cylindrical seating surface which has at least one ring-shaped milled section on which a machine part of relatively soft material with a corresponding seating surface can be seated coaxially in a form-locking manner. The milled section is provided on at least one axial end of the hard machine part and extends, starting from the cylindrical seating surface, to the end surface.

Abstract: A rotary mounting for mounting a gear wheel relative to a frame, the gear wheel being constrained to rotate with a shaft such as a drive shaft, the mounting being constituted by: the gear wheel being mounted at one end of the shaft around the outer periphery thereof; an axial hollow in the end of the shaft opening out into the end transverse face of the shaft; a protuberance fixed to the frame and coaxial with the hollow, the protuberance being contained inside said hollow; and a single rotary bearing disposed between the protuberance and the hollow at the end of the shaft.

Abstract: A wheel lock assembly for reversibly rotatably mounting a wheel assembly which comprises an inner race and an outer race and bearings disposed therebetween on a trolley which includes a central bore having a central axis and having a substantially annular recess eccentric relative to the central bore. The wheel lock assembly includes an axle member, the axle member including a cylindrical body portion having a longitudinal axis and an enlarged substantially annular head portion eccentric relative to the longitudinal axis. The wheel lock assembly further includes a cap member and locking screw for fastening the cap member to an end of the body portion of the axle member to draw the cap member into frictional engagement with the inner face and to draw the head portion of the axle member into mating engagement with the recess of the trolley arm.

Abstract: In a wheel assembly for a vehicle wheel, a supportive sleeve is provided mounted in rotatably fixed engagement with a hub of the wheel assembly with one side of a protective boot for the universal joint being attached thereto. The supportive sleeve is constructed as a shaped sheet metal part shaped which, during installation, is permanently plastically deformed in press-fitted engagement with a groove in the hub of the wheel assembly and is formed with a radially extending annular region which is pressed into abutting engagement with an inner bearing ring of the wheel bearing assembly.

Abstract: A bearing assembly comprised of a shell member (11), a deformable metal cup member (12) within which is centrally mounted a bearing unit (15) locked together against axial movement of the bearing unit relative to the shell member.

Abstract: A crankhandle assembly has a cylindrically-hollow handle member rotatably mounted on a shaft or core element. The shaft has complementary stepped contours at each end and the handle has bearing cups at each end positioned to form with said stepped contours a ball bearing race, a thrust bearing, and a handle race. The bearing cup elements are centered in the handle by axially and radially disposed fins.

Abstract: The rolling bearing of a guide roller is held in the bore of a thin wall roller adapted to guide a pulley, by projections radially inwardly extending from the thin wall roller. The projections may be in the form of beads having planar surfaces in a plane normal to the axis of the bearing on the side facing the bearing, or they may be notches having one side thereof separating from the material of the roller to be forced radially inwardly to engage the sides of the bearing. The notches may be resilient, to enable the bearing to be snapped into position.

Abstract: A rocker arm assembly (12), supporting the rope of an aerial tramway installation, comprises sheaves (14, 16), the spindles (18, 20) of which are fitted enabling their disassembly, cantilevered from an arm (22) fitted on the inward facing side of the sheaves. The arm (22), made of moulded material, has a rope catcher shoe (66), which protrudes on the outward facing side of the sheaves. A detector of excessive rocker arm (22) swing, due to the rope falling on the catcher shoe (66) or to a sheave being lost, is incorporated in the boss of the arm and protrudes into a shearing groove in the articulation spindle of the arm (22).

Abstract: A combined bearing, pulley and shield assembly that is temporarily unitized prior to being installed on a cylindrical shaft support. A bearing having inner and outer races with an annular space between the races is molded into the hub off the pulley with a pair of shields joined to the pulley in covering relation to the annular space. The shields are joined to the pulley by frangible tabs molded integrally with the pulley. When the pulley assembly is installed, the shields are precisely positioned and fixed to the inner race. Therefore, the tabs fracture in response to initial relative rotation of the pulley and inner race to allow free subsequent relative rotation.

Abstract: Rolling apparatus comprising a support member, first bearing means connected to the support member for rotating relative to the support member, and a first tire of material softer than the bearing means mounted on the circumference of the bearing means, the tire having a circumference that increases from a smaller diameter side to a larger diameter side and a lip extending radially inward over a portion of the bearing means on the larger diameter side of the tire, whereby the lip is biased against the bearing means as the tire travels, and is prevented from moving off the bearing means at either side.

Abstract: A support for a tension roller is comprised of two cup-shaped sleeves, oriented with their open ends in the same direction, and with an inner one of the cup-shaped sleeves extending into the other of the cup-shaped sleeves. The outer end of the inner cup-shaped sleeve is outwardly flanged, to define a clamp between the flange and the open end of the other cup-shaped sleeve for holding the inner ring of the tension roller bearing. The bottoms of the two cup-shaped sleeves are initially spaced, and are drawn together upon tightening of a mounting screw extending therethrough into a machine frame, in order to clamp the inner bearing ring between the flange and the open end of the other cup-shaped sleeve.

Abstract: A bearing device for supporting an axle of an automobile comprises an outer member(B) having two races formed on the inner peripheral surface thereof and also having a radial flange integrally formed thereon for connection to a vehicle, an inner shaft member(A) having one end integrally formed with a radial flange for attachment of a wheel and the other end provided with the inner joint member(28, 280) of a constant velocity universal joint and also having two races formed on the outer peripheral surface thereof, and two rows of rolling elements(C) interposed between the races of the outer member and inner shaft member. The device is designed for simple construction and easy machining and assembly.

Abstract: A wheeled support assembly for conveyors includes a wheel assembly having an outer race, an inner race, a plurality of rolling elements positioned therebetween, and a support or bracket. The bracket defines a noncircular aperture in cross section, and the inner race defines a noncircular through bore in cross section. A support shaft having a headed portion extends through the inner race and into the bracket aperture. The support shaft has a noncircular in cross section outer surface which is engaged by the inner race and the bracket aperture to prevent relative rotation. The support shaft defines a threaded bore which receives a threaded fastener extending through the bracket aperture. The support shaft, inner race and bracket are dimensioned so that the shaft normally extends into but not through the bracket aperture, permitting convenient removal of the wheel without disturbing the support or bracket.