Abstract: A bearing assembly underlying the top flange connected to the upper end of n antenna shaft, includes plastic bearing inserts held in contact with the shaft angularly spaced from each other by an outer cylindrical housing and sleeve sections retained therein in axial abutment with the bearing inserts. Removable screw fasteners having upper end portions exposed in alignment with each other underlying the top flange, hold the bearing inserts, the sleeve sections and the housing attached to each other in proper assembled relation to facilitate assembly and disassembly for bearing insert replacement.

Abstract: A plain bearing assembly including an inner bearing, outer bearing, and at least one intermediate bearing. The inner bearing has an annular inner bearing surface. The intermediate bearing includes a ring bearing having an annular inner and outer surface. The intermediate bearing also includes bushes rotatably mounted about the inner bearing and rotatable with respect to the bearing ring and outer bearing. The bushes provide a bearing surface adjacent to the annular inner bearing surface of the bearing ring and providing a bearing surface adjacent to the annular outer bearing surface of the bearing ring.

Abstract: A unitary brake pedal spacer for use in a brake pedal assembly. The brake pedal assembly includes a brake pedal having a tubular section which is attached between two opposing side walls of a brake pedal bracket. The brake pedal spacer is inserted within the interior of the tubular section, and the tubular section is then inserted between a pair of opposing apertures formed in the sidewalls of the brake pedal bracket. A shoulder bolt is inserted through the brake pedal spacer and a nut is threaded onto an end of the shoulder bolt to secure the assembly. The brake pedal spacer is a unitary apparatus which provides both spacer and bushing functionality for the assembly.

Abstract: The rotatable fork-plate of a fork lift truck is mounted to a large-diameter slewing gear, and the slewing bearing fits inside. In place of the usual ball bearing, a plastic strip is curved around into a circle, and placed between the slewing gear and the stator frame. The circle is not complete, in that a circumferential gap is left between the ends. The rotor and stator are formed with suitable faces for supporting journal forces, and thrust forces both ways, via the plastic strip. The preferred profile of the strip is channel-shaped. The strip floats circumferentially between the rotor and the stator. The plastic strip being corrosion free, no seals are provided on the bearing, even for operation near sea-water.

Abstract: Composite material 19 comprising outer member 17 having ring form section and inner member 18 mounted into said outer member so as to form a unitary construction, wherein inner surface 24 of said outer member 17 and outer surface 22 of said inner member 18 are at least partially opposed to each other through a gap .delta. and wherein said members 17,18 are joined together by means of anaerobic adhesives filling said gap .delta..

Abstract: A bearing arrangement for an operating shaft of a multi-pole electric switching device with a chassis formed by central and outer walls that are parallel to each other. The bearing arrangement comprises shaft bearings in the form of half-shells. The central walls, which are designed to accommodate the shaft bearings, are each provided with an open recess at its edge. The recess has one bordering edge that corresponds to the radius and width of a groove located on the outer periphery of the half-shells and another bordering edge that corresponds to the outside diameter of the half-shells. A locking piece is attached to the respective wall and secures the half-shells after they have been assembled on the operating shaft.

Abstract: A positioning pivot including a shaft, at least one sleeve and at least one hinge butt is able to prolong its lifespan by inserting the sleeve between the shaft and the hinge butt after a combination of the shaft and the hinge butt is accomplished. Due to an opposite difference between an orientation of a helical slit defined in the sleeve and a helical groove defined in an outer periphery of the shaft, lubricant added to the helical groove is able to be disperse to other portions of the shaft when the sleeve is securely retained within the hinge butt and the shaft is rotated. Additionally, a portion of the shaft is configured to be hollow, so that even when a relationship between the portion and the sleeve is loosened, a dimension of the portion of the shaft is able to be enlarged by an adjusting element to regain tight relationship between the portion of the shaft and the sleeve again.

Abstract: This disclosure relates to bearing support comprising a relatively rigid collar ring for direct support of a bearing. The relatively rigid collar ring is press fit inside a bearing supporting hub of a nonmetal (such as a composite polymer) bearing support. The design of the relatively rigid collar ring and the composite polymer bearing support is such that the stresses in the construction are satisfactory for long-term performance and reliability. The bearing supporting hub includes discrete supporting hub panels and there are axial slots between the hub panels. The supporting hub panels further include radial rib sections extending axially for strengthening the supporting hub panels and for adding support for the relatively rigid collar ring. The inside diameter of the supporting hub panels is tapered to provide stress relief clearance. Contacts between the inside of the supporting hub panels and the collar ring are limited to discrete locations.

Abstract: A process for the production of a sleeve shaped friction bearing including the steps of producing a thin inner sliding layer of a polymeric material free of abrasive fillers on a core by a molding process, producing a longitudinal interruption in an outer surface of the sliding layer from one end to another, and sheathing the inner sliding layer with an outside support of another polymeric material and joining the inner layer with the outside support by filling the interruption.

Abstract: A bimetal sleeve bearing has an axial seam that is laser welded so that both the soft inner layer and hard outer layer of the sleeve are continuous and homogeneous without internal or surface cracks. The seam edges are cut and abutted so as to form an axial groove in the inner surface of the outer layer. During the laser welding operation, fused material from the inner layer flows into the groove to form a crack-free lining for the bearing.

Abstract: A steering column bearing is comprised of an outer bush and an inner bush held in the outer bush. The outer bush includes: an inner ring having a lip portion and a retaining protrusion formed projectingly along the circumferential direction at a predetermined interval from the lip portion in an axial direction; an outer ring having protrusions; a support leg by which an outer peripheral surface portion of the inner ring not corresponding to a hollow cylindrical recess and an inner peripheral surface portion of the outer ring corresponding to that outer peripheral surface portion are integrally connected to each other in the circumferential direction; and reinforcing ribs each of which extends from an outer peripheral surface portion of the inner ring corresponding to the lip portion to the support leg, and integrally connects the outer peripheral surface of the inner ring, the inner peripheral surface of the outer ring, and the support leg.

Abstract: An electric motor, such as a motor for operating a worm drive, has a rear bearing and rear bearing support in the form of a sleeve bearing which is received within a rearwardly facing axial opening formed in the end of the motor armature shaft. The bearing receives one end of a non-rotating pin which has its opposite end secured to the rear end wall of the motor and thus supports the armature shaft on the end wall. Minor misalignments are provided for by aligning movements of the bearing support pin accompanied by slight bending of the end wall of the motor case. In another embodiment, the pin is provided with a spherical end received within a conforming or mating recess and providing for pivotal aligning movement of the bearing support pin with respect to the motor case. The bearing may also be shouldered or flanged so that thrust forces on the shaft are transmitted to an adjacent shoulder on the bearing support pin.

Abstract: A first, fork-shaped component accommodates a second component, in which case an articulated connection between the two components takes place by means of an inserted pin. In order to establish a rattle-free connection between the two components with a good functioning and a simple mounting and a small space requirement in the longitudinal direction of the pin, it is provided that one sleeve respectively, which receives the pin, is inserted into bores of the first fork-shaped component, on the side facing the second component, each sleeve having an outwardly directed, elastic ring segment which, under prestress, is supported on the two components. In addition, on the side facing away from the ring segment, inwardly directed elastic noses are molded to the sleeves and reach behind the slid-in pin without a head and secure it against a falling-out.

Abstract: An abrasion resistant bearing system for use in the agitation assembly of a mineral dissolution machine. The agitation assembly is part of the mixing tank where abrasive materials such as gypsum, nitrogen, potassium, sulphur and the like are kept in a mixed condition for ultimate discharge into an agricultural irrigation system.

Abstract: A plastic bushing for use with wheel assemblies for low speed, off-highway vehicles of the type of hand trucks, wheelbarrows and the like. The plastic bushing is constructed of two substantially identical bushing members molded of a self-lubricating, preselected plastic and each having a flanged end for abutting the central opening of a wheel assembly. Each plastic bushing member is provided with diametrically spaced locking fingers with locking windows defined in the body of the bushing members for snap-locking to the locking fingers when aligned within the wheel assembly opening.

Abstract: An end bearing for one-way clutch which is preferred for use in an automatic transmission is disclosed. The end bearing comprises a body formed of a steel plate, a hard coating applied to the surface of the body, and a soft coating applied to the surface of the hard coating. The steel plate of the body assures a sufficient rigidity. Regions of the end bearing which provide sliding surfaces are covered by a soft coating and a hard coating, which improves the anti-seizing resistance and the durability of the end bearing.

Abstract: A bearing system for a brushless direct current fan includes a bearing pedestal having a first chamber for receiving a plurality of bearings and a plurality of tongues protruding from an inner wall of the first chamber and a second chamber communicated with the first chamber with an inner diameter larger than an inner diameter of the first chamber and a flexible sleeve having a plurality of slots axially extending from a first end of the sleeve to an intermediate position of the sleeve for the corresponding tongues within the pedestal to extend through so that the sleeve is engaged by the pedestal and a plurality of feet protrude from the first end of the sleeve for engaging with an intersection edge between the first chamber and the second chamber of the pedestal thereby securing the sleeve in the pedestal.

Abstract: A flanged half bearing (10;50) comprises a shell portion (12;52) which provides a bearing surface (14;54) against which a shaft can rotate. A flange portion (16,18;56,58) of the bearing provides a thrust surface (20,22;60,62) to resist axial movement of the bearing. The thrust surface (20,22;60,62) is formed from injection moulded plastics material either integrally with the shell portion (12;52) or a layer thereof, or the flange portion is injection moulded as a separate piece and secured to the shell portion.

Abstract: A plain flanged bearing or bushing for supporting a rotating shaft in a thin walled frame of an electrophotographic printing machine. The composite bearing has a flanged end and is adapted to be inserted in an opening in a thin walled support member until the flange abuts the surface of the wall. A protruding tab formed by displacing a small portion of the flange extends in an axial direction along the bearing and cooperates with a corresponding opening in the wall to prevent rotation of the bearing. A friction push nut or snap ring is attached to the bearing on the side of the wall opposite the flange. The protruding tab prevents the bearing from rotating about an axis which can cause the bearing to be worn on the exterior surface by rotational contact with the thin wall. A shaft to support idler rolls or other rotating elements is inserted in an inner bore of the bearing and is rotatably supported thereby.

Abstract: The present invention pertains to a plain bearing for chassis parts in motor vehicles, in which a sliding layer, which is made of plastic and has lubrication bore reliefs on its outer jacket, is sprayed in a firmly adhering manner onto a metallic inner part in a mold, and an elastomer body arranged in a metallic receiving bush surrounds the inner part with the sliding layer in a slidingly movable manner. Recesses, whose side wall has a profile undercut in the direction of removal from the mold, are provided on the circumference of the inner part.

Abstract: The invention comprises a bearing arrangement for a rotating shaft in a windshield wiper driving mechanism, of the kind comprising a housing having a bore through which the shaft passes and including a bearing sleeve which comprises at least an inner radial flange, a first face of which forms a first shoulder for the axial positioning of a seal provided in the bore which cooperates with the opposite cylindrical surfaces of the bore and of the shaft. According to the invention, one of the ends of the bearing sleeve abuts against a second shoulder formed by the second face of the radial flange, and the internal diameter of the inner radial flange is greater than the internal diameter of the bearing sleeve.

Abstract: An idler wheel assembly is provided which is particularly suitable for manufacture and assembly in mass production. The assembly includes an idler wheel which has a tapered shaft that is sized to closely mate with a similarly sized and shaped bore in a support member. At the distal end of the tapered shaft is one or more resilient retention features which secure the shaft within the bore, yet enables the shaft to freely rotate within the bore such that the idler wheel can be rotated relative to its support member. The shaft, retention features and bore are sized such that the adequacy of the assembly can be determined in-process due to the tendency for the idler wheel to become dislodged from its support member during subsequent handling unless the retention features are properly deployed as a result of the tapered shaft being completely assembled with its bore.

Abstract: A guide sleeve for a rod or shaft movable parallel to the longitudinal axis in relative manner, comprising an outer ring and a guide ring of plastic inserted therein, wherein the outer ring and the guide ring are firmly attached to each other. The outer ring and the guide ring contact each other over a continuous contact surface, the outer ring being provided with grooves which are radially open towards the inside and have a cross-sectional constriction in the region of their mouth and the guide ring being provided with radially outward protruding projections which are received in the grooves.

Abstract: A vegetation cutter apparatus having a drive motor which drives a cutterhead via a drive shaft journalled in a guide tube, The cutterhead is held in a sleeve bearing at the end section of the guide tube facing away from the drive motor, The cutterhead is held in a simple manner by an exchangeable sleeve bearing in the guide tube. This is achieved in that the bearing is axially held in the end section of the guide tube so as to be exchangeable and at least one stop holds the bearing against rotation and may cooperate to hold the bearing captive in the axial direction. The stop projects radially into the guide tube.

Abstract: A swivel mounting for mounting a rocker arm of a chuck and allowing pivoting movement of the rocker arm includes a cylindrical mounting member disposed in a cavity of the chuck and having an axial bore therethrough defining an interior surface thereof and a cylindrical bearing member disposed within the mounting member having an axial bore therethrough defining an interior surface thereof for supporting a portion of the rocker arm. The bearing member further has an exterior surface which is a mating surface with the interior surface of the mounting member. One of the mating surfaces has an annular channel therein, and the other of the mating surfaces has an annular projection thereon. The projection is positioned and sized to fit inside the channel, and the height of the projection is less than the height of the channel. Also disclosed is a chuck employing such swivel mountings.

Abstract: A sealing bushing is provided for use with a liquid cooled metal cutting tool of the kind having an elongated tool shaft for mounting with respect to a machine tool turret and formed with a cooling duct, the sealing bushing comprising a tubular member and an annular channel member formed integrally with and surrounding an end portion of the tubular member; the channel member being constituted by the end portion and a skirt portion radially spaced from the tubular portion and integrally coupled thereto by a flange portion, at least the skirt portion being formed of a flexibly resilient material.

Abstract: A pivot/rotational device comprises a pivot pin having a head and a tubular, cylindrical shank of reduced diameter projecting from the head. A two-part bushing assembly comprises a ring and a sleeve. The ring encircles the shank. The sleeve is formed of anti-friction material and is disposed concentrically between and in surface-to-surface contact with the ring and the shank. The sleeve has a radially outwardly extending collar at one end disposed between and in surface-to-surface contact with the head and one end of the ring. The tubular shank has an open end opposite the head provided with a radially outwardly extending flange which overlies the other end of the ring. The ring is restrained from axial movement between the collar and the flange. The sleeve may also have a second collar between the flange and the ring.

Abstract: This invention relates to the bearing mount of the steering column tube (1) of a telescoping steering column in which the steering column tube (1) is supported in a housing (2) on the body with axial mobility. To produce a bearing mount without play, the steering column tube (1) is mounted to move axially in the housing (2) in a bearing bushing (3) slotted in the longitudinal direction and made of a nonmetallic material, with this bearing bushing (3) being supported on an outer contour (5) conical in cross section with frictional adhesion against an inner cone (6) of the housing (2) under axial spring load.

Abstract: A single piece, elongate sleeve bearing or bushing device is suitable for use in a bushing hole of a wide free spinning member, such as in the deep bushing hole of a long idler roller, a wide idler pulley, a wide idler gear or the like, to form at least a pair of axially spaced bearing surface regions about a shaft. The single piece bushing device has a thin generally cylindrical wall, an oversized central bore, and a plurality of axially spaced, oversized exterior surface regions including one located at each end of the thin wall. The raised regions are interspaced by a low region, and are compressed locally upon assembly in order to press fit the bushing device into the deep bushing hole of the free spinning member. Such compression causes radially aligned regions of the interior surface of the central bore to close in on the shaft, thereby forming a plurality of axially spaced and pre-aligned bearing surface regions about the shaft.

Abstract: A support member for use in a soccer table comprises a male retainer and a female retainer. The male retainer has a first columnar portion and a first disk portion attached to one end of the first columnar portion which is provided thereon with an arresting portion and has an axial hole. The female retainer has a second columnar portion and a second disk portion attached to one end of the second columnar portion which has an axially-oriented fitting hole provided on the inner wall surface thereof with a stopping portion. The first columnar portion of the male retainer is received in the fitting hole of the female retainer such that the arresting portion of the male retainer and the stopping portion of the female retainer engage to confine each other.

Abstract: The invention relates to a guide-tube with integral sealing for motor vehicle gearbox clutch release bearing, comprising a tubular sleeve able to be engaged axially around the input shaft of the gearbox and having a radial bearing surface made from one part, forming a plate for fixing the guide-tube to the outer face of the wall of the casing of the gearbox, and a sealing ring with a lip engaged inside the sleeve.The sealing ring with a lip comprises a reinforcing member (5) comprising a tubular bearing surface (6) able to be engaged by force in the tubular sleeve (1) of the guide-tube, the said tubular bearing surface (6) being extended at each of its ends by a radial bearing surface, one (7) directed towards the inside and at the end of which a sealing gasket with a lip (9) is made and the other (8) directed towards the outside and on which an annular sealing bead (13) is made, able to come into contact with the external face of the wall of the casing.

Abstract: A replacement bearing is provided for use in rebuilding the nominally disposable toner cartridges that are commonly used in popularly priced electrostatic printers and copiers. When the bearing is rotated into its final position about the shaft of a toner roller, an oversize portion of the bearing is forced into a position that ensures that both the bearing retainer and the toner roller are restrained in a precise alignment. A slot, that has a predetermined gap when installed, is preferably provided in the bearing, and a decrease of the width of this gap is indicative of bearing wear. The precise alignment and wear indication means that are provided by the new bearing allow an operator to rebuild a toner cartridge that had been demonstrating the "right side problem", and to subsequently monitor the wear of a replacement bearing so as to prevent recurrence of copy degradation.

Abstract: The support of a shaft (7) which is rotatably supported in through-holes of the housing (1) of a pressure chamber in bushes (11, 12) provided with sealing rings and which is secured against axial displacement by securing rings (21, 22) is to be improved in such a way that a low-wear and secure arrangement of the shaft (7) and bearing bushes (11, 12) is achieved. For this purpose, it is suggested that each through-hole (9, 10) of the housing (1) comprise a collar (15, 16) which projects radially inward and forms a support for a projection which is directed radially outward and with which each bush (11, 12) is provided, the front side (19, 20) of the latter facing the pressure chamber simultaneously forming a support for a securing ring (21, 22) arranged on the shaft (7), wherein the two bearing sides of the shaft (7) have the same diameter.

Abstract: The durability of a rack bushing which supports of a rack shaft of a rack and pinion steering system is improved. A bushing holder 18 is fixedly mounted in one end of a steering body 6, and a rack bushing 2 is held within the bushing holder in order to support a rack shaft 4 in a slidable manner. An end of the rack bushing is formed with a locking flange 2b, which fits in an annular groove 18a formed in the bushing holder. Adjacent to the end where the flange is formed, the inner peripheral surface of the rack bushing is formed with a portion of an increased diameter 2c which avoids its contact with the rack shaft. The portion of an increased diameter extends inward beyond the region of the annular groove and a chamfer 18c formed on sidewall of such groove of the bushing holder.

Abstract: The elastic sliding bearing for chassis parts in motor vehicles has a rigid inner bushing, an outer bushing, and an elastomeric body surrounding them. The inner bushing and the outer bushing are provided at both ends with axial bearing surfaces on radially extending flange projections (8, 9), and a seal surrounding the flange projections (8) on the outer bushing (2) is provided. The seal acts against the axially outer flange surface of the outer bushing (2) with at least one sealing lip. A plastic layer (5) possessing good sliding properties, whose outer contact surface with the outer bushing has lubricant pockets (6) for receiving a grease filling, is provided on the outer jacket of the inner bushing (1).

Abstract: A drawbar assembly includes a self-locking bushing which is supported from the drawbar mounting bracket by a conventional nut and bolt fastener. Each end of the bushing includes radial line projections which bite into the mounting bracket and into a washer interposed between the nut and the bushing when the nut is threaded onto the bolt. By capturing both bushing ends, the bushing cannot rotate to loosen the nut or wear against the mounting bracket and washer. The bushing is formed as a single component with the radial line projections by a powdered metal process and hardened to provide wear resistance. Dissimilar metals in the bushing and the drawbar at the pivotal connection reduce wear.

Abstract: The invention relates to a bearing for a shaft comprising a first bearing member mountable on the shaft to be fixed thereto, and a second bearing member rotatably mountable about the coaxial with the first bearing member to define at least two annular bush receiving recesses, wherein the two or more annular bush receiving recesses are at least partially separated by at least one internal locating projection projecting from either the first or the second bearing member, and at least two annular bush members locatable one in each of the bush receiving recesses each said annular bush membering being adapted to dissipate heat during operation of the bearing by oscillating between a condition in which the annular bush member is stationary with respect to the first bearing member and rotatable with respect to the second bearing member is stationary with respect to the second bearing member and rotatable with respect to the first bearing member.

Abstract: A self-aligning bearing having a first bearing member connected to a rotatable shaft and a stationary second bearing member located around the first bearing member. The second bearing member includes at least two annular rings with mating recesses in each which together define a groove. The first bearing member is provided with a continuous flange located for rotation within the groove when in use. The second bearing member has a convexly curved exterior providing a self-aligning surface for engaging a mating concavely curved surface of a bearing housing.

Abstract: A rack and pinion type steering apparatus with a bushing sleeve which increases the rigidity of the joint mechanism thereof, by enhancing the rigidity of the bushing sleeve by alternately forming an area in contact with the inner surface of a steering gear housing and an area not in contact with the inner surface of the housing on the outer surface thereof in the circumferential direction, with a column member provided at a part of the noncontacting area so as to touch the inner surface of the housing, so as to support the pressure impressed in the radial direction to a steering gear rack thereby to prevent the vibration of the steering gear rack.

Abstract: A structure for preventing movement of pivot bearings used in vehicular wiper devices, wherein a pivot shaft is rotatably supported by a sleeve mounted on a vehicle body through the intermediary of a pair of bearings at a predetermined axial spacing from each other. The pivot bearing fixing structure comprises slits formed in facing end surfaces of the bearings so as to divide the end portion of each bearing into an inner circumferential portion and an outer circumferential portion, ridges protruding inward radially from an inner surface of the inner circumferential portion of each bearing, the ridges being notched at a predetermined circumferential spacing so as to be elastically deformable radially outward, and recesses provided on an outer circumferential surface of the pivot shaft so as to receive the ridges thereby to fix the bearings against axial movement.

Abstract: This bearing comprises an outer ring (11) made from a sleeve (110) which is delimited by an outside wall (111) and an inside wall (112) and which carries on its outside wall (111) a bush (1111), an inner ring (12) which is made from a sleeve (120) which is delimited by an outside wall (121) and an inside wall (122) and which carries on its inside wall (122) a bush (1221), a link (13) located out of plumb with the bushes (1111, 1221) in order to connect these rings (11, 12) while allowing only a relative rotation between them (11, 12).Application to motor vehicle steering columns.

Abstract: A guide roller for guiding a tape being moved in contact therewith, which has a metal cylinder and a resin portion is able to augment a inertial moment of the roller guide without increment of the diameter of the guide roller to absorb the vibration of the tape.

Abstract: An elastic sliding bearing for vehicle parts in motor vehicles, a rigid inner bushing (1) rotatably arranged in an outer bushing (2), and this is arranged in an elastomeric body (3) firmly adhering to the outer bushing. Both bushings have, at least at an axially outer end, axial bearing surfaces (8, 9) at one radially directed flange projection (7, 10) each. The flange projection (10) associated with the outer bushing is axially movably arranged in relation to this outer bushing (2) while an elastomeric intermediate member (11) undergoes elastic deformation.

Abstract: Disclosed is a bail arm supporting mechanism of a fishing reel. The mechanism has a link member having a large-diameter connecting portion for supporting and connecting one end of a bail arm and a support shaft portion to be connected to an arm lever. The mechanism further has a bush and a freely rotatable line guide roller to be fitted one after another in the mentioned order on the support shaft portions. The large-diameter connecting portion has a recess at a lateral face thereof to be attached with the arm lever. The bush includes an insert portion for coming into the recess and abutment against the bail arm in a direction normal to the support shaft portion.

Abstract: A pivot mount for a vehicular shift lever which precludes the play in the shift lever. The mount is employed in conjunction with a shift bowl that is rotatably mounted on a steering column. A clevis extends radially outwardly from the shift bowl, and the clevis has laterally spaced connecting plates. A bore penetrates each connecting plate. The bores through the connecting plates are registered. A shift lever having a mounting block is mounted from the clevis. The mounting block has laterally spaced, substantially parallel, first and second faces adapted to be embraced between the connecting plates. An aperture penetrates the mounting block and opens through the first and second faces to register with the bores through the connecting plates. A bushing assembly having an annular body portion with longitudinally spaced first and second rim edges is insertably received within the aperture which penetrates the mounting block.

Abstract: A double flange pop-in bearing produced from a polymeric material for use with various diameter workpieces. The bearing has a longitudinal gap, preferably along the diagonal, with upper and lower flanges to permit insertion into the workpiece by compression and locking of the bearing into place by the effect of the flanges. The top and bottom edges of the bearing are further characterized by notches extending from the longitudinal gap to facilitate compression for insertion into a bore. The bearing may have an optional projection to mate with a notch in the workpiece to restrict rotation of the bearing in the workpiece.

Abstract: A swivelable conduit is suggested which serves to deflect the air to be guided to the passenger space of a motor vehicle. The conduit comprises two pivot mountings which are flush with one another and are arranged at a distance from one another at a stationary structural element, preferably at the wall of an air duct; the pivot mountings comprise a bearing bush connected with one of the two elements and a bearing pin connected with the other element and in which the two bearing elements are provided with shoulder surfaces and counter-shoulder surfaces, respectively, which face one another and which define a relative movement of the two bearing elements which is directed in the direction of the swivel axis, and the bore hole wall surface of every bearing bush guides the two structural elements radially relative to the swivel axis in cooperation with an outer surface area of the bearing pin assigned to it.

Abstract: In a horizontal revolute robot, an upper end of a ball screw (21) of a direct-acting actuator (100) is rotatably supported by a top plate of a column (10), and the lower end thereof is coupled to a drive unit (40) disposed on a base plate of the column. A first link (220) is pivotally coupled to a coupling member (210) of a manipulator (200) fixed to a slider (30) of the actuator, and a second link (240) is pivotally coupled to the first link. The ball screw is rotated by the drive unit to move the manipulator along the ball screw in unison with the slider, and servomotors (230, 250) of the manipulator are driven to turn both the links within a horizontal plane, so that a wrist portion of the robot is positioned in a robot installation space for robot operation. Since no base is required to turnably support the actuator, the robot is small-sized, light in weight, and low-priced. Since the lower movement limit position of the manipulator is low, the range of action of the robot is wide.

Abstract: A direct-acting actuator for an industrial robot has an elongate ball screw or feed screw which is attached or detached quickly and safely in a narrow working space. In attaching the ball screw, upper and lower end portions of the ball screw, diagonally inserted in the inside space of a column (10), are respectively fitted into holes (12a, 33a) of a column top plate (12) and a plate member (33) of a slider (30) through a passage (12b), formed in the top plate and opening in a slider-side end face of the same plate, and a passage (33b), formed in the plate member and opening in the distal end face of the same member. Then, the lower end of the ball screw is coupled to a reduction gear (52), and a bearing unit (22) mounted on the upper end of the ball screw and a ball nut (34) threadedly engaged with the ball screw are respectively fitted into the holes (12a, 32a) so that the bearing unit and the ball nut are fixed to the top plate and the plate member, respectively.

Abstract: In a one-half part of a sliding surface bearing comprising a bearing half-shell (1) and at least one stop collar (2), the stop collar (2) constitutes a separate end flange and has mounting extensions (5), which protrude toward the bearing half-shell (1) and extends into fitting openings (3) of the bearing half-shell (1), which openings are open at the end face.To permit relatively large radii at the transition between the bearing half-shells (1) and the stop collar (2), the fitting openings (3) have an undercut (4), which is effective in an axial direction, and the mounting extensions (3) of the stop collar (2) extend behind the undercuts (4) and are axially aligned.