Abstract: A bearing assembly comprises at least one bearing that includes at least one outer ring having a recess at at least one circumferential position. A bearing support has at least one receptacle that receives the at least one outer ring. At least one engagement element is disposed on or in the bearing support and engages in the recess in an interference-fit manner to prevent the rotation of the outer ring relative to the bearing support.

Abstract: A bearing support apparatus for a gas turbine engine, including: a first annular member; a second annular member disposed within the first annular member; first and second axially spaced-apart rolling-element bearings disposed between the first and second annular members so as to enable relative rotation of the first and second members; a first spring element mounting the first bearing to the first member; and a second spring element mounting the second bearing to the first member through the first spring element, such that the first and second bearings are physically supported in series relative to the first member.

Abstract: A rolling contact bearing (1) providing a radially inner ring (2) into which a shaft of a pinion unit can engage, a radially outer ring (3) which can be inserted into a cylindrical seat (4) provided in a frame (5), a plurality of rolling bodies (6) arranged between the two rings (2, 3) so as to allow the radially inner ring (2) to rotate with respect to the radially outer ring (3), and an axial locking element (10) which is mounted on a lateral annular recess obtained in the radially outer ring (3) and can be screwed to the frame (5) so as to axially lock the radially outer ring (3) within the cylindrical seat (4); an axial retaining element (37), is associated with the radially outer ring (3) and radially interferes with the locking element (10) so as to secure the locking element (10) within the annular recess (11).

Abstract: A rolling bearing which has at least one lash compensation element possessing temperature-dependent extendably arranged on one bearing ring of the rolling bearing. The lash compensation element is surrounded at least partially by an angular ring profile. The angular ring profile has at least one leg directed axially parallel to an axis of rotation of the angular contact roller bearing. The ring profile is retained by the leg by positive axial engagement for limited axial movement on the bearing ring such that the lash compensation element is supported by the ring profile by positive engagement so as to be radially immovable on the bearing ring while being guided for axial movement on the bearing ring.

Abstract: A bearing holder mounting structure which allows a motor to be manufactured with a small number of parts without needing complex processing, and such motor are provided. A rotor 1 having a pair of bearings 5A and 5B and a washer 28 mounted thereon is inserted into an opening portion 23a of a motor housing 7 such that a rotor member 11 of the rotor 1 is received in a receiving concave portion 23. A bearing holder 9 is disposed on a bottom wall portion 29a of a fitting recessed portion 29 such that a flange portion 37 of the bearing holder 9 abuts on the bottom wall portion 29a of the fitting recessed portion 29. A retaining fitting 33 is then pressed into the fitting recessed portion 29 such that six engaging pieces 41 are located at positions slightly deviated from positions of six lead-out groove portions 31.

Abstract: A free-of-bearing rotational positioning device for a dewatering basket of a non-treading type wringer bucket, comprising: a bucket body having a projecting seat being extended from the bottom of the bucket body toward inside; a support shaft being covered and secured by the projecting seat, the upper portion thereof jutting out of the top of the projecting seat to create a connection part; a positioning element having a conic part at the top thereof, the conic part being tapered upward, a positioning surface being formed at the bottom of the conic part and extended outward from the periphery of the support shaft; and a dewatering basket having a driven seat at the center of the bottom thereof. The bottom of the driven seat includes a shaft holder made of non-metal material. In mounting the dewatering basket, the driven seat fits from top to bottom over the connection part of the support shaft.

Abstract: A vehicle wheel bearing apparatus has an outer member, an inner member with a wheel hub, and at least one inner ring, double row rolling elements, seals and a rolling bearing fit onto the inner circumference of the wheel hub positioned and secured by a retaining ring. The retaining ring is mounted at an inner side position of a bearing center line. A retaining ring groove, for mounting the retaining ring, is formed with a substantially rectangular cross-section. Outer side and inner side corner portions of the retaining groove are formed with circular arc cross-sections. Each corner portion has a radius of curvature. The radius of curvature of the outer side corner portion is larger than the radius of curvature of the inner side corner portion.

Abstract: A cooling fan includes a fan housing (30) having a central tube (34) extending upwardly therefrom, a bearing (60) being received in the central tube, a stator (20) being mounted around the central tube, and a rotor (10) having a shaft (18) extending through the bearing. At least one notch (180, 184) is defined in an end of the shaft. A balance structure (62) is mounted around the shaft, and has a portion facing and surrounding an upper portion of the at least one notch of the shaft. The balance structure is made of magnetic material, which can attract the shaft downward to thereby counter the upward force generated by the rotor when it is driven to rotate. Accordingly, the noise problem incurred by the floating of the rotating rotor can be resolved by the present invention.

Abstract: A windshield wiper device (10), particularly for a motor vehicle, is proposed. This windshield wiper device comprises a wiper bearing (14) supporting a wiper shaft (16), which has an undercut (48) in which a securing device (40) for axially fixing the wiper shaft (16) in the wiper bearing (14) is arranged. The securing device (40) can be displaced by the effects of a defined axial force component (F) on the wiper shaft (16), whereby the wiper shaft (16) can be displaced in relationship to the wiper bearing (14). According to the invention, the securing device (40) comprises a bushing section (42) with an indentation (50), which engages in the undercut (48) of the wiper shaft (16).

Abstract: A bearing includes an inner race member having an end surface. An outer race member is disposed about the inner race member. The outer race member has an internal shoulder for engaging the end surface of the inner race member. The inner and outer race members are configured to define a raceway between them and to define a snap ring seat between them. There are cylindrical rollers in the raceway and a snap ring in the snap ring seat. The bearing may be provided as a follower head on a cam follower or may be eccentrically mounted on a drive shaft to serve as a cam. A bearing can be assembled by inserting the inner race member into the outer race member, disposing cylindrical rollers in the raceway and disposing a snap ring in the snap ring seat.

Abstract: A torque transmitting device in a drive train of a motor vehicle to transmit torque between an internal combustion engine having a drive shaft and a transmission having coaxial input shafts. The transmission input shafts are each non-rotatably connected with a respective clutch disc having friction linings. An intermediate pressure plate is positioned between the friction linings of the clutch discs and is non-rotatably connected to the engine drive shaft. The friction linings of the clutch discs are between the intermediate pressure plate and respective axially movable clutch pressure plates that are actuated by an actuation device. To provide support for the double clutch unit the intermediate pressure plate is radially mounted on one of the two transmission input shafts.

Abstract: A retainer plate 7a is fitted on a smaller-diameter step portion 9a of an outer ring 5a, and a retaining ring 11 fitted on the smaller-diameter step portion 9a is engaged with retaining projections 15 formed on an inner circumferential surface of a fitting hole 12 formed through the retainer plate 7a, thereby preventing the retainer plate 7a from falling-off from the smaller-diameter step portion 9a. The structures and shapes of the various portions are so determined that working or machining can be easily effected to form these portions so as to overcome a problem encountered with the conventional structure.

Abstract: The invention relates to a securing device for a bearing ring in a housing. At least one spring element engages in an annular groove of the housing and at least one angled collar supports the bearing ring in an axial manner. The spring element is hook-shaped and forms an angle that extends in a radial manner towards the outside and at least partially back in the axial direction. At least one push element is formed on the securing device, which is actively connected to the spring element in such a manner that the spring element is prestressed in an axial manner, by actuating the push element.

Abstract: A sealed bearing includes a first race having a circumferential outer surface with a first portion of a first diameter and a second portion of a reduced diameter. A second race is provided having an circumferential outer surface with a first portion of a first diameter and a second portion of a reduced diameter. Rolling elements are positioned between the first race and the second race. A race retention sleeve is provided which engages the second portion of the first race and the second portion of the second race.

Abstract: A roller bearing is provided with an elastic member that is fitted to an annular groove that is formed in the outer circumference of an outer ring. A chamfered portion, formed on one side face of the groove, is made larger than a chamfered portion formed on the other side face, and has a distance from the bottom face of the groove that is set to ½ or more of the thickness of the elastic member.

Abstract: An electric fan includes a fan base (10), a bearing (40) and a rotor assembly (20). The fan base forms a central tube (11) receiving the bearing therein. The rotor assembly includes a fan hub (22), and a pivot axle (23) joined to the fan hub. The pivot axle pivotably extends into the bearing. A sealing lid (60) is screwedly mounted on a bottom opening of the central tube to prevent lubricant oil contained in the central tube from leaking. The sealing lid abuts against a bottom of the bearing to prevent the bearing from deflection.

Abstract: An electric fan includes a fan base (10), a bearing (40) and a rotor assembly (20). The fan base forms a central tube (11) receiving the bearing therein. The rotor assembly includes a fan hub (22), and a pivot axle (23) joined to the fan hub. The pivot axle pivotably extends into the bearing. A first and second locking rings (50, 70) are received in the central tube. Each of the first and second locking rings defines a central bore (52) therein. The pivot axle is engaged in the central bores of the first and second locking rings. The first locking ring is located at a top of the bearing and the second locking ring is located at a bottom of the bearing to prevent the rotor assembly from escaping from the bearing when the fan is operated.

Abstract: A bearing unit comprises a shaft, a radial bearing for supporting the shaft in a peripheral rotation direction of the shaft, a thrust bearing supporting an end of the shaft in a thrust direction of the shaft, a housing made of a molded body of a synthetic resin, inside of which housing the radial bearing and the thrust bearing are arranged, the housing having a sealed configuration except for a shaft insertion hole, through which the shaft is inserted, a slip-out preventing member provided on an end side of the radial bearing at which the thrust bearing is provided, the slip-out preventing member preventing the shaft from slipping out from the radial bearing, and a viscous fluid filled in the housing. The slip-out preventing member is made of a material having a thermal deformation temperature higher than a temperature applied to the slip-out preventing member upon molding of the housing.

Abstract: An axial securing system for the wheel bearing of a pole-guided vehicle is described, in which the wheel bearing is positioned in line with the pole pivot point (1) and centrally with respect to the wheel area, the system comprising at least two clip-rings (3) seated in grooves (7), and the parts of the housing (4, 5) that form a gap (6) over the clip-rings (3) are extended in the direction of the clip-rings (3) so that the gap (6) above the clip-rings (3) is smaller than the grooves (7) in which the clip-rings (3) are seated.

Abstract: System (1, 8, 20, 25, 30) for the securing of a roller bearing (2) in axial directions relative to a cylindrical seat (3), the system (1, 8, 20, 25, 30) with at least one first circumferential groove (4) of the seat (3) and with at least one securing ring (7, 19, 21, 22, 23), in which the securing ring (7, 19, 21, 22, 23) adjoins with a disk-form section (26, 27, 28, 29, 31) an axially outer side of a first bearing ring (10) of the roller bearing (2) and in which the securing ring (7, 19, 21, 22, 23) comprises elastically flexible first securing clips (11), projecting from the securing ring (7, 19, 21, 22, 23), which engage the circumferential groove (4).

Abstract: The present invention relates to a motor structure, which has a shaft tube and a stator set disposed on a base. The shaft tube is in form of a circular tube, the bottom side thereof is in an integrally-formed and closed pattern, and an abrasive gasket, a limit member and a bearing are disposed in the shaft tube, such that a spindle of a rotor can be inserted in the bearing and rotate therein. As the limit member has an annular wall with a specific height, a plurality of limit protrusions extended inward from the inner wall of the through hole can snap a reduced neck of the spindle to limit its axial displacement, thereby attaining the design object of reserving enough space for accommodating an end section of the spindle, reducing necessary parts, assembling process, and saving production cost.

Abstract: The bearing unit of the present invention has: a shaft; a radial bearing which supports the shaft in a circumferential direction of the shaft; a thrust bearing which supports an end of the shaft in a thrust direction of the shaft; a housing having a closed structure except for a shaft insertion hole in which the shaft is inserted, with the radial bearing and the thrust bearing being provided inside the housing; a stopper member which prevents the shaft from being pulled out of the radial bearing; and viscous liquid filled in the housing. The stopper member is made of an elastic member which is elastically deformed only in the radial direction and is hardly deformed in the axial direction. Hence, the shaft is prevented from being pulled out from the housing, and shortage of the lubrication oil around bearing surfaces is prevented from being caused by lifting of the shaft.

Abstract: A fluid bearing module has a bearing seat, a bearing, a deflecting member, and an impediment. The bearing seat has a capacity with an opening. The bearing in the capacity has a hollow space for the axis of a rotor to go through, and a lubricant medium is filled in between. The deflecting member protruding from the side near the opening of the bearing seat bends toward the capacity and clips on the rotor axis. The impediment protrudes from the side near the opening of the bearing seat for preventing the deflecting member from bending toward the opening and departing from the rotor. Moreover, the deflecting member and the impediment form a maze to keep the lubricant medium within.

Abstract: Clutch release bearing device that includes: an operating element; a rolling-contact bearing fitted with a non-rotating ring and a rotating ring and connected axially to the operating element; and an annular fixing ring provided with an axial portion mounted inside the operating element and also with an axially elastic portion whose axially opposite side from the operating element is pressed axially against the non-rotating ring, the fixing ring being able to keep the non-rotating ring axially connected to the operating element and yet allow radial movement.

Abstract: The invention relates to a shaft bearing assembly and also to an industrial gear unit (30) comprising this bearing assembly. The bearing assembly (34) comprises two taper roller bearings mounted axially spaced apart on the shaft (35) with the bearings orientated in an O arrangement in which the rollers of each bearing increase in diameter in the direction away from the other bearing of the pair. In a gear unit (30) the outer cup of the taper roller bearing may be located by an abutment shoulder (32) formed in the housing (11) whilst the inner cone of the taper roller may be located by a lock nut (40) on a threaded end portion of the shaft (35) or by a circlip (61) disposed in annular groove in the shaft (35).

Abstract: An assembly having a retaining element, an outer race of a constant velocity joint, and a shaft of an outboard drive axle that is axially joined to the outer race. The shaft has an external groove circumferentially formed on its external surface for receiving the retaining element. The external surface of the shaft supports a new generation wheel bearing assembly and a wheel hub that is non-rotatably coupled to the external surface of the shaft. The retaining element engages the external groove of the shaft and retains the wheel hub without requiring a preload on the bearing. The wheel hub is held in place by the retaining element and the shaft, wherein the wheel bearing assembly is retained by the wheel hub, thereby allowing the retained wheel hub to be rotatably drivable within the wheel bearing assembly by the constant velocity joint.

Abstract: A wheel end assembly includes a bearing shaft having an inboard end and an outboard end. A wheel hub is mounted onto the outboard end of the bearing shaft, and a detachable outboard joint is mounted onto the inboard end of the bearing shaft. A wheel bearing is mounted onto the bearing shaft between the inboard end and the outboard end. The inboard end of the bearing shaft includes a flange portion that provides a support to keep the wheel bearing positioned onto the bearing shaft and induces a pre-load into the wheel bearing such that the pre-load is maintained on the wheel bearing when the outboard joint is removed from the wheel end assembly.

Abstract: A cylindrical roller bearing includes an outer bearing ring, an inner bearing ring and cylindrical rollers located between the outer and inner bearing rings. One of the rings has side rims forming an axial stop for the cylindrical rollers. The bearing ring on which the side rims are not provided is formed with at least one groove outside the axial extension of the cylindrical rollers. A ring of spring-elastic material is positioned in the groove to form an axial stop for the cylindrical rollers. The periphery of the ring has no interruptions. To improve the running behavior of the cylindrical roller bearing, the ring possesses a V-shaped cross-section with two legs.

Abstract: A bearing (3) for fixing a steering shaft (1) in a housing (4) is characterized in that the inner bearing ring (8) comprises, in at least one axial direction, an integrally formed cylindrical extension (11) adjoining the raceway (9), and the inner bearing ring (8) is pressed onto the steering shaft (1) with this cylindrical extension (11) which comprises through-holes (12) through which a locking ring (13) positively engages a groove (26) of the steering shaft (1).

Abstract: An assembly including an outer race of a constant velocity joint and part of a vehicle wheel bearing. The outer race has a first bore with an internal groove. The wheel bearing part has a second bore with an open end, an external groove, and a slot extending axially between the external groove and the open end. The slot also opens circumferentially along its axial length towards the open end forming an angular surface. The wheel bearing part and the outer race are held in an assembled position by a spring ring engaged in the internal groove and the external groove. The spring ring includes, adjacent one end, an arm which extends generally radially inward through the slot. When twisted, the arm engages the angular surface of the slot, and contracts within the external groove.

Abstract: A locking device and its assemblage are provided for confining an object such as a shaft of a motor. The locking device is used to confine the shaft having an end with a recess portion having a defining surface to prevent the shaft from being displaced in an axial direction. The locking device is a geometrically closed-loop body having an opening, and having a flexibility so that the shaft will pass through the opening and the end of the shaft will thus be confined by the locking device while the force disappears. The locking device is free from contact with the recess portion of the shaft when the shaft is spinning. A simple process can be used to assemble and disassemble the locking assemblage.

Abstract: An axial bearing comprising two runner plates held together by a resilient retaining ring having two angled settings. The retaining ring has holding lugs whose circumcircle can be changed in diameter D1 or D2 by a resilient reversible changeover to selectively hold the runner plates together or release the holding.

Abstract: The invention relates to a method for producing a shaft (22), and an apparatus containing such a shaft (22), in particular an armature shaft (22) of an electric motor-driven drive (12) that is brought to a nominal dimension (44). The shaft (22) is reshaped by means of material displacement (46) at least one point until the nominal dimension (44) is reached.

Abstract: An annular element for a rolling bearing comprises a cylindrical surface around the circumference of which a groove, the radial and axial depth of which are variable around the circumference, is formed. The cylindrical surface is suitable for being over-molded with a plastics material to form a body which is fixed firmly for rotation with the annular element and has a plastics projection complementary with the groove. The projection can cooperate with the groove to prevent relative rotation between the annular element and the body.

Abstract: An armature shaft for a motor of a power tool has a shaft with two ends. A commutator is on the shaft. At least one bearing is on the shaft adjacent the commutator end of the shaft. The bearing has a central bore sized to balance the shaft during rotation. Also, a central bore in the bearing has an enlarged diameter portion. A retainer is fixed on the shaft to retain the bearing on the shaft. The retainer is positioned within the enlarged bore portion of the bearing.

Abstract: A sliding bearing is provided for a magnetically driven centrifugal pump with an outer stationary tubular bearing housing within which lie antirotationally mounted bearing bushings and with a rotationally mounted hollow bearing shaft, lying coaxially in the bearing housing to accommodate the pump impeller shaft, having bearing sleeves, lying within the bearing bushings. Contacting the end faces of the bearing bushings on the outer side lie axial bearing rings which are in each case held by an outer axial disc arranged on or alongside the bearing shaft at both ends. The sliding bearing constitutes a preassembled unit, the parts of which are captively mounted to one another. The two axial discs at the end faces are fastened to or alongside the bearing shaft and hold the bearing shaft with its bearings within the bearing housing.

Abstract: A locking device and its assemblage are provided for confining an object. The locking device is used to confine the object having an end having a recess having a defining surface to prevent the object from being displaced in a direction. The locking device is a geometrically closed-loop body having a hollow portion, and has a flexibility so that upon being applied with an external force, the object will pass through the hollow portion and the end will thus be confined by the locking device while the force disappears. A simple process can be used to assemble and disassemble the locking assemblage.

Abstract: A method for fixing at least one bearing in place in a bearing retainer involves positioning the bearing in the depression, providing an elastic element which acts in the axial direction on the bearing either before or after the bearing is positioned in the depression so that the elastic element is supported on the bearing in a first axial direction, and deforming a partial area of the bearing retainer so that the deformed partial area of the bearing retainer supports the elastic element in a second axial direction which extends opposite the first axial direction. A bearing arrangement produced according to the present invention includes a bearing retainer having at least one depression in which is positioned a bearing, with a portion of the bearing retainer overlapping a portion of the bearing to form an interlocking connection between the bearing retainer and the bearing in an axial direction.

Abstract: The arrangement has an axial securing element for fixing to the rotor shaft to enclose it at least over a tangential partial region, especially in the form of a spreader ring for fitting onto the rotor shaft, and a spring element pressing axially elastically against the stator part for axial play compensation as part of the securing element.

Abstract: An assembly including an outer race of a constant velocity joint and part of a vehicle wheel bearing. The outer race has a first bore and an internal groove in the bore, and the wheel bearing part has a second bore with an open end, an external groove, and a slot extending radially from the second bore between an inner end open to the second bore and an outer end at an external surface of the bearing part, the slot extending axially between the external groove and the open end. The wheel bearing part and the outer race are held in an assembled position by a spring ring engaged in the internal groove and the external groove. The spring ring includes, adjacent its ends, first and second arms which extend generally radially inward through the slot. The first arm is substantially longer than the second arm and inclined such that the first arm extends approximately through a center axis of the spring ring. A sealing element is also included to seal the second bore.

Abstract: A wiper apparatus for a motor vehicle comprising a sleeve secured to a vehicle body side and a pivot shaft which is supported rotatably in the sleeve. The proximal portion of the pivot shaft relative to the interior side of the vehicle is connected to a drive source. The tip portion of the pivot shaft holds a wiper arm on the exterior side of the vehicle. For the pivot shaft to depress toward the vehicle's interior side with respect to the sleeve, a load exceeding a predetermined value works axially on the pivot shaft from the vehicle's exterior side. A depression preventing member is interposed between the pivot shaft and the sleeve and is deformed when receiving the load that depresses the pivot shaft. A deformation space is secured between the pivot shaft and the sleeve enabling the depression preventing member to deform smoothly in response to the load.

Abstract: A locking device and its assemblage are provided for confining an object such as a shaft of a motor. The locking device is used to confine the shaft having an end with a recess portion having a defining surface to prevent the shaft from being displaced in an axial direction. The locking device is a geometrically closed-loop body having an opening, and having a flexibility so that the shaft will pass through the opening and the end of the shaft will thus be confined by the locking device while the force disappears. The locking device is free from contact with the recess portion of the shaft when the shaft is spinning. A simple process can be used to assemble and disassemble the locking assemblage.

Abstract: An assembly of an outer race of a constant velocity joint and part of a motor vehicle wheel bearing, wherein the outer race has a first bore and an internal groove in the bore, the bearing part and the race being held in assembled position by a spring ring engaged in the groove and in an external groove of the bearing part which has a second bore with an open end, the ring having, adjacent its ends, arms which extend generally radially inwardly through a slot extending radially of the second bore between an inner end open to the second bore and an outer end at the external surface of the bearing part, the slot extending axially between the external groove and an end of the bearing part.

Abstract: A spindle positioning support structure includes a support body housed in a center opening of an air fan seat. The support body has an arched trough which has same profile as the bottom end of an air fan spindle. The arched trough has a top end formed a plurality of arched latch lips. Every two latch lips are spaced by a slot. Therefore the latch lips are extensible according to the diameter of the air fan spindle, and may couple with an indented annular groove formed on the peripheral rim of the air fan spindle thereby to allow the air fan spindle anchoring at a restricted center of the aid fan seat for positioning the air fan spindle accurately. The arched trough also may contain lube oil to reduce rotational friction of the air fan spindle.

Abstract: A screw compressor includes a suction end, a discharge end, first and second rotors mounted for rotation between the suction end and the discharge end, and a discharge housing at the discharge end. The discharge housing surrounds a portion of the first and second rotors and includes an end surface. The compressor further includes a first axial bearing supporting the first rotor, and a wear-preventing member sandwiched between the end surface of the discharge housing and the first axial bearing such that no portion of the first axial bearing contacts the end surface. The screw compressor further includes a first radial bearing in the discharge housing for supporting the first rotor. The wear-preventing member includes a face abutting the end surface of the discharge housing and abutting at least a portion of the first radial bearing to retain the first radial bearing in the discharge housing.

Abstract: A rolling bearing assembly (9) comprising an inner ring (10), an outer roller (11) surrounding the inner ring, a needle race (12) placed between the inner ring and the outer roller to allow their relative pivoting about a common longitudinal axis (Z—Z), and an axial retention assembly (13) for retaining the outer roller and the needle race with respect to the inner ring. The retaining assembly comprises at least one split thrust washer (16) which extends radially from a radially outer peripheral region (26) of an axially outer surface of the inner ring towards a retaining groove (24) formed radially inside the outer roller. The split washer comprises an annular central zone (17) for axially retaining the needle race, and at least one series of peripheral supports (18, 19) which are spaced apart and which radially extend the annular central zone.

Abstract: A piston-retaining mechanism for removable engagement with a piston head to secure a piston pin therein, the mechanism including a base coil portion and a subsequent coil portion, each coil portion approximating the other at a distance less than the cross-sectional dimension of either coil portion.

Abstract: A flanged ring for fixing a bearing in place at least axially with respect to a machine component is in the form of a ring-shaped sheet metal element provided with a break at least at one place on the circumference of the annular metal element. The break defines two adjacently positioned end regions of the annular metal element and these end regions are adapted to be permanently connected to one another by way of an interlocking connection. The interlocking connection can be constituted by a portion of one end region extending towards or being punched out towards the other end region. Alternatively, the interlocking connection can be provided by a connecting element (e.g., a rivet) that extends through a bore in each of the end regions.

Abstract: A spindle seat in a fan provides a spindle holding seat and a spindle with a conical end. Because the conical end contacts with the holding seat by way of point contact, the frictional area between the holding seat and the conical end is very small. Hence, a little friction force may generate to result in the fan is provided with a smooth running, low noise, and less heat generation.

Abstract: A wiper apparatus for use in a motor vehicle with a pivot extending from an interior side of a vehicle body toward the external and penetrating a pivot holder that is fixed integrally onto the vehicle body. The pivot is rotatable with respect to the pivot holder and further holds a wiper arm at its penetrating tip portion. An outer circumferential surface of the pivot has an engaging groove that is fitted with an elastic retainer ring to retain the pivot on the pivot holder. An upper side surface of the engaging groove is an inclined surface so that the retaining ring can get out of the engaging groove with the aid of the inclined groove side surface when the pivot is pressed downwardly. Thus, the pivot can be easily removed from the pivot holder for replacement or the like, and if a large shock load acts on the pivot, it is possible to prevent the shock load from reaching the entire wiper apparatus or the vehicle body.