Abstract: A bushing may include a support surface and a sliding surface having a perimeter midpoint. The sliding surface of the bushing may have a convex profile in relation to a cross section of the bushing. The convex profile may be offset from the perimeter midpoint of the sliding surface of the bushing.

Abstract: There is provided a slide bearing capable of preventing or reducing a temperature increase in lubricant. A cylindrical main bearing is formed by combining a pair of upper bearing and lower bearing and rotatably supports a crank journal. The lower bearing includes a downstream crush relief formed at a downstream end in the rotation direction of the crank journal in an inner periphery of the lower bearing; and an oil groove formed in the inner periphery of the lower bearing so as to communicate with the downstream crush relief.

Abstract: The invention relates to a sealing arrangement 15, a guide vane arrangement, and a turbomachine 11 with such a sealing arrangement 15, wherein the sealing arrangement 15 is designed for a guide vane ring 60 of a turbomachine 11, wherein the sealing arrangement 15 comprises a thin-walled annular structure 80 that is substantially closed on all sides, and wherein the annular structure 80 delimits an annular interior space 105, wherein a hollow cell structure 109, which is designed so as to mechanically support the annular structure 80, is provided in the annular interior space 105.

Abstract: The present disclosure is directed to a spring bearing which is used in a roller system for a developer cartridge. The spring bearing has a front surface and a rear surface and an angled relief cut extending from the front surface to the rear surface.

Abstract: A split bearing ring according to the invention includes two or more split portions into which the split bearing ring is divided with respect to a circumferential direction. Surfaces of the split portions other than circumferential end faces of the spit portions have hardness of HRC 59 or higher, the surfaces of the split portions other than the circumferential end faces are quenched and tempered, and the surfaces of the split portions other than the circumferential end faces have a prior austenite grain size of No. 6 or above. The split portions are formed by applying a load to a bearing ring such that stress generated on one end side of the bearing ring with respect to an axial direction is larger than stress generated on the other end side of the bearing ring with respect to the axial direction.

Abstract: In a self-adjusting bushing bearing for engagement with a bearing shaft, a bearing housing is provided. A bearing sub-assembly is received inside of said bearing housing, and said bearing sub-assembly being adapted to receive said bearing shaft. The bearing sub-assembly comprises at least two bearing segments and at least one springy element engaged with the bearing housing which compresses the bearing segments toward one another.

Abstract: A method of manufacturing a split bearing ring comprises forming an endless ring (42) having first (34) and second edges (46), removing at least a portion of the ring between the first and second edges to form at least one aperture (50, 54), hardening the ring, and after hardening, splitting the ring adjacent the at least one aperture to create first and second mating ends (74, 78) of the ring.

Abstract: A compact, noncontact mechanical coupling, damping, and/or load bearing device comprising an internal load bearing member and an external load bearing member that are mated in an interdigitated relation while maintaining a gap therebetween is described. In some embodiments, the gap between the internal and external load bearing members is maintained by hydrostatic means, hydrodynamic means, electrorheological fluids, magnetorheological fluids, electric fields, and/or magnetic fields.

Abstract: A connecting rod bearing is constituted of a pair of semi-cylindrical bearings I and II. In a state in which the semi-cylindrical bearings are assembled into a cylindrical shape, along two contact surfaces C of circumferential end surfaces, first axial oil grooves E are formed to be located at a central portion in a bearing width direction, and second axial oil grooves F are formed to be located at both sides in the bearing width direction of each of the first axial oil grooves E. One of the first axial oil grooves E and two of the second axial oil grooves F are in relation to communicate with each other. The first axial oil groove E is formed in the range of the wall thickness decreasing region surface A.

Abstract: A connecting rod bearing for internal combustion engines of a forced-feed lubrication type crank shaft is provided, consisting semicircular bearings. An inner surface of the semicircular bearings is provided with a circumferential groove formed on the inner surface within a maximum circumferential angle range of 45 degrees, measured from one circumferential end facing the same direction as a rotational direction of the crankpin toward a circumferential center region of the semicircular bearing, each of the semicircular bearings having two circumferential ends which are of butt ends brought into contact with those of a mating semicircular bearing. In an assembled state, an axial groove is formed on an inner surface of the semicircular bearings so as to extend along the butt end throughout a full length between both axial ends of the semicircular bearing, whereby the axial groove, as a lubricant-oil flow channel, is connected with the circumferential groove.

Abstract: A crankshaft has spaced-apart cheeks and a cylindrical surface between the cheeks. A split ring bearing assembly has first and second bearing parts that join to encircle the cylindrical surface. First and second split ring seal assemblies each have first and second seal parts that join to encircle and sealingly contact with the cylindrical surface on each side of the split ring bearing assembly. A journal includes a first and second journal halves having cylindrical recesses receiving the crankshaft so that the split ring bearing assembly bears upon the journal and the first and second split ring seal assemblies sealingly contact with the journal halves. A lube fill fitting is provided in the journal for the introduction of lubricant which is permanently sequestered between the first and second split ring seal assemblies to provide sealed lubrication of the split ring bearing assemblies.

Abstract: A crankshaft has spaced-apart cheeks and a cylindrical surface between the cheeks. A split ring bearing assembly has first and second bearing parts that join to encircle the cylindrical surface. First and second split ring seal assemblies each have first and second seal parts that join to encircle and sealingly contact with the cylindrical surface on each side of the split ring bearing assembly. A journal includes a first and second journal halves having cylindrical recesses receiving the crankshaft so that the split ring bearing assembly bears upon the journal and the first and second split ring seal assemblies sealingly contact with the journal halves. A lube fill fitting is provided in the journal for the introduction of lubricant which is permanently sequestered between the first and second split ring seal assemblies to provide sealed lubrication of the split ring bearing assemblies.

Abstract: A bearing, particularly a rubber bearing, has in its fundamental structure at least one bearing bushing and one rubber body surrounded by the bearing bushing. The bearing bushing has at least one longitudinal parting line having edge profiles that are complementary to one another, provided at adjacent longitudinal edges. The tines and tine recesses, respectively, engage into one another at the edge profiles which are complementary to one another. The tine along the one longitudinal edge, in each instance, dips into a related tine recess on the other longitudinal edge, essentially in the circumference direction of the bearing bushing in the course of production. During this process, the tine is plastically deformed by a predetermined measure, so that the tine and the related tine recess wedge into one another.

Abstract: A collar bearing comprising a bearing shell and at least one thrust washer, whereby the at least one thrust washer is fixed on an outer convex circumferential surface of the bearing shell to define a joint site that extends between the convex outer circumferential surface of the bearing shell and a concave inner circumferential surface of the thrust washer, the at least one thrust washer being welded along a weld seam to the bearing shell such that the weld seam extends axially between an outer thrust facing and an opposite inner surface of the at least one thrust washer, and the weld seam extends over only a part of the joint site.

Abstract: A thrust bearing assembly includes upper and lower bearing halves for journaling a shaft therebetween. At least one thrust washer is arranged on the outer surface of at least one of the bearing halves and has ends which extend beyond and confront the ends of the bearing half on which the thrust washer is mounted to support it against rotational movement relative to the bearing half. A bearing half can have such thrust washers, in which case the other bearing half is narrower and is retained axially by the ends of the thrust washers of the opposing bearing half, or a thrust bearing can be provided on each of the bearing halves in axially opposed relation to one another.

Abstract: The invention relates to a collar bearing split shell, comprising a bearing shell and two thrust washers which are located on said bearing shell. The invention also relates to a collar bearing comprising two collar bearing split shells, each of which has a bearing shell, at least one bearing shell being provided with two thrust washers located on said bearing shell. The invention also relates to a thrust washer for a collar bearing split shell. The aim of the invention is to provide a collar bearing which ensures that the two collar bearing split shells of a collar bearing are essentially flush with each other when installed.

Abstract: A wearing ring, particularly for protecting a cable guide hose on a robot, with an inner ring and an outer ring having in each case two half-shells is characterized in that the half-shells of at least one of the rings can be locked together.

Abstract: A greaseless door lock for doors on railroad cars which eliminates the need to lubricate the door locks. The greaseless door lock includes a C-shaped bracket having a side wall and spaced apart end walls attached to the side wall wherein the end walls include aligned aperatures for slidably receiving a locking pin. The greaseless door lock includes at least one bushing mounted in each aperature to prevent the locking pin from engaging the end walls. Two semi-clyindrical bushings or one cylindrical bushing may be mounted in each aperature.

Abstract: A trunnion support for a variable-position stator vane in a turbomachine. The stator vane includes an upper trunnion and a lower trunnion to allow the stator vane to be pivoted about a longitudinal axis. The lower trunnion is supported in a bushing that is carried in an opening provided in an annular stator vane carrier ring. The bushing is longitudinally split and is installed in the carrier ring while in a laterally compressed condition so that when installed in the carrier ring the bushing bears against the carrier ring opening in which it is positioned. When the carrier ring material expands with rising temperature, the pre-stress in the bushing will cause it to expand to maintain tight frictional engagement between the bushing and the opening and thereby prevent relative rotation between the bushing and the carrier ring to minimize wear of the carrier ring material.

Abstract: A main bearing cap (A′) made of powder metal has a body portion (Y) made from one powder metal material (Q), and a bearing arch portion (H), foot joint face portions (S) and/or wings (W) made of a different powder metal material (P). The material (Q) of the body portion (Y) is harder than the material (P) of the other portions (H, S, W), and the material (P) of the other portions (H, S, W) is relatively machinable. For the bearing arch portion (H), the machinability of the material (P) approximately matches the machinability of the bearing support structure (B) to which the bearing cap (A′) is assembled to produce a good quality bore and longer tool life during line boring. The bearing arch material (P) may be a bearing material.

Abstract: A stabilizer bar assembly includes a stabilizer bar and a pair of bushing assemblies. Each bushing assembly includes a first semi-circular member, a second semi-circular member and a hinge connecting the two semi-circular members together. The two semi-circular members encases the stabilizer bar and the two semi-circular members are encased by a frame bracket which attaches the stabilizer bar to a vehicle. Each semi-circular member includes an embedded rigid semi-circular member to control the compression and flexing of the bushing assembly.

Abstract: The invention relates to a rolled-up plain bearing bush made from a metal/plastic composite plain bearing material whose wall has a thickness of at least 0.75 mm and which can be pressed into an opening of said bearing to form a medium-force fit. The inventive bearing bush also comprises a metal supporting layer and a sliding layer. In order to reduce weight and corrosion, the plain bearing bush is characterized in that the metal supporting layer is made of an aluminum alloy and the sliding layer consists of an expanded aluminum metal alloy section and a mixture of plastic sliding material that is applied to the expanded metal section and in the openings thereof in addition to optionally containing fillers that improve caloric conductibility and tribiological properties and the supporting layer is glued using an additional PFA-layer arranged therebetween.

Abstract: A wearing ring, particularly for protecting a cable guidance tube on a robot, characterized in that the wearing ring has two layers, whereof one coaxially surrounds the other.

Abstract: There is provided a plain bearing in which 0.3 to 25 vol. % of hard particles, having a mean particle diameter of not more than 1.5 &mgr;m, are dispersed in a main load portion of the overlay, so that the main load portion is formed into a hard region harder than the other portion of the overlay. With this construction, the main load portion is enhanced in wear resistance while the other portion is enhanced in foreign matter embeddability. Therefore, there is provided the plain bearing which is less liable to undergo seizure due to abnormal wear even if solid foreign matter are included into lubricating oil, thus exhibiting excellent wear resistance and foreign matter embeddability.

Abstract: An improved bearing is disclosed which runs without clearance, and in which any wear is retrofitted automatically. This is achieved by a bearing assembly comprising a bearing (3) having an axial split (5) and an antifriction lining, and an elastic element (4), in which the elastic element exerts a force on the bearing acting to close the axial split. The presence of a shaft (1) in the bearing (3) opens the axial split (5), creating a permanent pressure acting to close the axial split (5) in the bearing. The end of the bearing life is attained when wear is sufficient to allow the axial split to close.

Abstract: A main-load side bearing metal piece on which a heavy load is imposed is coated on an inner surface thereof with a thin overlay having a uniform thickness. Meanwhile, a non-load side bearing metal piece is coated on an inner surface thereof with an overlay having a uniform thickness greater than that of the overlay formed on the inner surface of the main-load side bearing metal piece. With this construction, the bearing metal piece shows excellent load carrying capacity and fatigue resistance because the overlay formed on the inner surface thereof is thin, while the non-load side bearing metal piece shows excellent foreign matter embeddability and conformability because the overlay formed on the inner surface thereof is thick. Moreover, since there are formed the overlays each having a uniform thickness in respective inner surfaces of each of the bearing metal pieces, and therefore it is possible to reduce the manufacturing cost.

Abstract: A vane assembly for an engine is disclosed, the vane assembly having a vane including a blade having a spindle disposed at one end thereof and a bushing mounted on the spindle. The bushing includes first and second half portions, each half portion having a generally semicircular body having a first finger disposed at a first end of a first side of the body, a second finger disposed at a second end of the first side of the body and a third finger disposed on a second side of the body, between the first and second ends of the body, the first and second fingers having a distance between them which is not less than a width of the third finger. The first and second half portions are snap fit onto the spindle of the vane such that the third finger of the second half portion is located between the first and second fingers of the first half portion, and the third finger of the first half portion is located between the first and second fingers of the second half portion.

Abstract: In a bearing cap of the type which is bolted to a bearing support structure so as to define a bearing bore between the cap and the structure and in which bolt holes for securing the cap to the structure extend through feet of the cap and into the structure, the cap having at least two of the feet, one foot on each side of the bore with at least one bolt hole extending through each foot, the improvement wherein:the cap is sintered powder metal and has an integral boss protruding from the foot around the bolt hole.

Abstract: Bearing arrangement for the support of a rotor (6) relative to a machine. Bearings (8) are disposed in circular openings (9) of circular disks (10) eccentrically with respect to the circular opening center (12) and is fastenable in the circular opening (9) about the circular opening center (12) in different angular positions.

Abstract: A bearing arrangement which assures positive geometrical centering between two separately produced bearing components, preferably in internal combustion engines, includes a first bearing component provided with projections extending beyond a parting surface between the components and a second bearing component of lower hardness than the projections so that the projections displace the material of the second bearing component during assembly of the bearing arrangement.

Abstract: A hydraulic oil well pump drive system for driving an oil well sucker rod includes a wellhead hydraulic assembly that is operably connected to the oil well sucker rod to reciprocate the sucker rod. The wellhead hydraulic assembly includes a hydraulic cylinder and a rod that reciprocates linearly within the hydraulic cylinder. The rod has an upper end with a circumferential groove that receives a split cylindrical bearing. The split cylindrical bearing is has two semicircular halves retained within the groove by the inner walls of the cylinder. The halves are retained vertically, relative to the rod, by the groove itself.

Abstract: A split taper bushing assembly includes a bearing member, an inner sleeve received in a hollow center defined by the bearing and an optional outer sleeve which receives the bearing member in an open center defined therein. The bearing member also includes a tapered skirt. The skirt includes a slit which permits the bearing member to contract during assembly to account for variances in its dimensional tolerances, thus ensuring a proper fit between the bearing member and any mating part. The bearing member is formed using a polyurethane type material. Since such a material resists deterioration due to contact with lubricants commonly used in the automotive industry, the bushing assembly can be relubricated during operation without any destructive affect on the bearing member.

Abstract: The crankshaft bearing for an internal combustion engine consists of two bearing sections bolted together, in which an insert made of a ferrometallic material is embedded in a casting made of a light metal alloy. The inserts consist of shaped molded parts with openings and thickenings as well as a semicircular carrier that receives the respective part of the bearing bore. The inserts are traversed by the bearing bolts, which on one side abut the outer bolt surfaces on the casting of one bearing section and are bolted into the casting of the other bearing section.

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 method for fabricating and installing a split riding ring for use on rotary cylinders that eliminates the need to remove associated equipment from the rotary cylinders to repair and install a new riding ring. The apparatus consists of a riding ring forged in one piece and machined and stress relieved. Both sides of the annular ring are then provided with opposing side pockets. Side plates are positioned within the side pockets and held in place by a first set of bolts located within drill and tapped holes. Holes are drilled through the side pockets, side plates and the riding ring. The side plates are removed and the one piece ring is cut at a forty five degree angle with its central axis of rotation to form a first and second segment and shims are attached to both segments to compensate for the metal loss. A second set of bolts are inserted through the holes in the side pockets and the side plates to form a body bound fit and the completed split ring assembly.

Abstract: The invention relates to a wrapped bearing bush of elastic material as a bearing for a journal or a shaft for pressing into a housing bore. The invention also relates to a journal or shaft connection comprising a first and a second component, wherein the first component carries a bearing bush and the second component is connected to a journal or shaft mounted in the bearing bush.

Abstract: A method for limiting eccentric deviations of a rotating polished rod which extends through a stuffing box in a downhole rotary pumping application. The method includes the step of positioning below the stuffing box at least two centralizing members having arcuate contact surfaces that engage the rotating polished rod to dampen eccentric deviations. According to another aspect of the present invention there is provided an apparatus having a housing with a central polished rod receiving passage. At least two centralizing members extend radially inwardly into the central polished rod receiving passage to engage a rotating polished rod positioned in the central polished rod receiving passage.

Abstract: A bearing assembly comprises a piston mounted within and capable of reciprocating movement with respect of a fixed bearing shell. The bearing shell is provided with openings for the supply of a bearing medium, such as compressed air, into a clearance between the piston and the bearing shell. The bearing shell is resilient so that as the diameter of the piston increases due to thermal expansion, the diameter of the bearing shell changes to automatically maintain the clearance therebetween.

Abstract: In a rotor bearing housing comprised of split half sections (10) and adapted to be joined at horizontal joining surfaces (12) of the half sections, and wherein each half section includes a beating recess flanked on either side thereof by a seal recess (16, 18); and a pair of annular bearing seals (24), each comprising a pair of half segments (26, 28), each segment adapted to be received in a respective seal recess in a split half sections of the housing, each segment having a pair of substantially horizontal interface surfaces (30, 32) at diametrically opposite sides thereof, the improvement comprising a groove (46) formed in each interface surface (30, 32), extending across a radial thickness dimension of the segment, such that opposing grooves in opposing interface surfaces combine to form a pair of oil channels in each annular bearing seal.

Abstract: A starter unit for an internal combustion engine, especially a motor vehicle engine, comprises an electric motor and an electromagnetic actuator, having parallel axes and being secured on a starter frame or chassis which has at least one starter nose. The starter nose defines a hood which envelops the end of the output member of the electromagnetic actuator and the free end of the shaft of the motor. The motor shaft carries a Bendix gear or pinion. The unit also includes an actuating lever for controlling axial displacements of the Bendix gear. The actuating lever pivots about an axis which is substantially at right angles to the axes of the motor and actuator.

Abstract: A split outer ring has a raceway on a radially inwardly directed surface and a circumferential groove with tapered side walls on a radially outwardly directed surface and comprises a first arcuate portion and a second arcuate portion. An alignment ring engages the circumferential-groove of the split outer ring, forming an interference fit with the tapered side walls of the circumferential groove such that alignment of the first arcuate portion with respect to the second arcuate portion is maintained. A method of assembling a housed bearing, utilizing opposing jaws engaging a similar circumferential groove in the split outer ring, is also disclosed.

Abstract: A rubber-metal bushing includes a seamless inner metal DOM tube surrounded by an elastomer cylinder. A flanged ferrule is press fit into one or both ends of the tube so that the flange engages an end portion of the cylinder. The bushing is cost reduced by replacing the DOM tube with a seamed tube formed from flat stock. An adhesive at the tube-ferrule interface maintains the two elements together.

Abstract: A compound journal and thrust plain bearing comprises a half-liner-shaped or bush-shaped journal bearing part and a part-ring-shaped thrust bearing part or a set of part-ring-shaped thrust bearing parts attached at one or both ends thereof, while every thrust bearing part comprises on its inner peripheral rim a plurality of inwardly extending retaining projections which are angularly spaced from each other and which are inserted into a recess provided in the region of the arcuate or circular margin of the journal bearing part.

Abstract: A bushing liner is provided for a bushing of an endless chain of a textile machine traveling web transport assembly of the type which supports a web in tension during transport of the web through a textile handling process such as, for example, a web drying process. The endless chain includes a plurality of links, each respective adjacent pair of the links being interconnected to one another by a pin and each pin being rotatably supported by a bushing mounted to one of the links. The bushing liner of the present invention is disposed intermediate a bushing and its associated pin and includes first and second circumferential ends normally angularly spaced from one another by a slot. The slot extends from one axial end to the other of the bushing liner and permits angular movement of the first and second circumferential ends toward and away from one another to thereby permit the bushing liner to accommodate internal and external forces exerted thereon.

Abstract: An escalator or people mover having steps or pallets which are supported by axles that are driven by a step chain, utilize a split bearing disposed between the axle and the step or pallet. The split bearing allows for rapid replacement of a worn bearing. The split bearing has a shaped outer portion for cooperating with the step or pallet to prevent rotation of the bearing relative to the step.

Abstract: An improved bearing structure for a rod which permits both rotational and axial movement of the rod in conjunction with longitudinal bending thereof. Two semi-cylindrical pieces are assembled along an axial line of separation. A first cylindrical bearing half engages a second cylindrical bearing half integrally formed for matingly receiving the first half. The two halves of the bearing each include an outer, radially extending flange and are each passed through opposite sides of an aperture in a wall and are assembled into a complete bearing by threadably engaging one another within the wall aperture. The rod to be journaled is inserted through an axial opening formed through the bearing. Each semi-cylindrical bearing half is constructed with an expansion slot formed in an outer mounting flange for facilitating the flexure thereof during installation to prevent binding of the actuation rod therein.

Abstract: An engine bearing for internal combustion engines having a semi-cylindrical shell portion with an inwardly facing bearing surface, adapted to surround a journal, which is divided circumferentially into a concentric central portion and a pair of eccentric end portions. The eccentric end portions extend outwardly from the opposite ends of the central portion a progressively increasing distance to the ends of the shell to form a split line relief portion. An eccentric lubricant supply groove is formed in the inwardly facing bearing surface tapering from a point of maximum depth at the central portion of the shell to terminate within each of the eccentric end portions thereby forming lubricant metering orifices at the interface of the concentric central portion, the eccentric end portions and the eccentric lubricant supply groove to control the flow of lubricant to the split line and reduce the pressure loss through the bearing.

Abstract: A cylindrical wrapped bush has a joint extending over the entire width of the wrapped bush and serves to slidably or rotatably support a shaft on the inner peripheral surface of the wrapped bush. The joint is extended slantwise or stepwise relative to a generatrix on the outer peripheral surface of the wrapped bush at an angle which is more than 0 degree, but smaller than 85 degrees.

Abstract: The bearing segment consists of individual lamella (2) that are parallel to the bearing axis and can be forced on the trunnion of the workpiece by means of hydraulic fluid contained in a piston space. This makes it possible to cover a certain diameter range of the trunnions of the workpieces with a single bearing segment, and modified bearing segments are required only in keeping with the jumps in bearing diameters.

Abstract: Flanged bearings are described comprising a substantially semi-cylindrical half journal bearing member having at least one thrust flange member, the thrust flange being substantially of a semi-circular annular form having at least three inwardly directed lugs formed on the inner periphery, two lugs being positioned at approximately the inner circumferential extremities of the flange member, the third lug being positioned on the inner periphery intermediate the first two lugs and said lugs being engageable with co-operating recesses on the half-bearings by opening the half-bearing in the elastic range and then releasing the half-bearing to retain the flange.