Abstract: A blade-fold bushing system includes a splined bushing comprising a first plurality of teeth, a castellated bushing comprising a second plurality of teeth and a shaft portion configured to coaxially fit within the splined bushing, and a lock bushing coaxially aligned with the castellated bushing. A support tool for use with a blade-fold bushing system includes an outer head comprising a third plurality of teeth configured to mesh with the first plurality of teeth of the splined bushing, and an inner head comprising a fourth plurality of teeth configured to mesh with the second plurality of teeth of the castellated bushing.

Abstract: A radial-axial bearing element includes a sliding bearing shell and at least one thrust washer. The sliding bearing shell has a plurality of notches that are disposed spaced apart in the circumferential direction, and the thrust washer has a plurality of corresponding connection pieces that are disposed in the corresponding notches. The notches and connection pieces have contact surfaces that rest against each other to form a positive connection. At least two of the connection pieces and notches are disposed in an outer first region and are disposed parallel to each other.

Abstract: A method of rotatably couple a wing tip device (4) to a fixed wing (3) by a rotational joint (101) having an outer race (8) and an inner race (9) that is received in the outer race (8) one of the inner and outer races comprises a male member (76) and the other is a two-part assembly comprising a first part (9a) and a second part (9b) that together form a female member (72), the method brings the first and second parts together to form the female member (72) about the male member (76) such that the male member (76) is received in the female member (72) and fixing the first and second parts (9a, 9b) such that the race that is rotationally fixed relative to the wing tip device (4) is axially and radially retained relative to the race that is rotationally fixed relative to the fixed wing (3).

Abstract: In a substrate processing apparatus of the present disclosure, a bearing member includes a decaying mechanism provided with a connecting shaft inserted therein and configured to decay radicals or ions; a first member configured to cover the decaying mechanism; and a second member disposed at the connecting shaft and provided with the connecting shaft inserted therein while being in contact with a sealing member. Further, an end of the first member and an end of the second member are connected to be engaged with each other, an invasion path is formed to allow the radicals to invade from the connected portion of the end of the first member and the end of the second member, and the invasion path is formed to be folded back in an extending direction of the connecting shaft. The sealing member is made of a material having a tensile strength larger than 12.1 MPa.

Abstract: A power operated rotary knife including: a handle assembly, a head assembly and a vacuum attachment assembly. The handle assembly includes an elongated cylindrical handle housing defining a handle assembly longitudinal axis extending through a throughbore of the handle housing. The head assembly including a rotary knife blade having an intermediate driven gear, a blade housing supporting the knife blade for rotation and a frame having a lower section and an upper section. A lower section of the blade housing extending laterally from the lower section of the frame and an upper section of the blade housing extending laterally from the upper section of the frame and encircling an axially extending portion of the rotary knife blade adjacent the driven gear. The blade housing including a bearing assembly including a first bearing member disposed in the lower section and a second bearing member disposed in the upper section.

Abstract: Bearing 10 includes: a half bearing member having an inner circumferential face that slides against an associated shaft, and a plurality of recesses provided in a first end face in an axial direction of the associated shaft; a flange member having a plurality of projections provided at positions corresponding to the plurality of recesses provided in the first end face; and a plurality of staking marks formed in a periphery of each recess when each recess is staked in a state where each of the plurality of projections is fitted to a corresponding one of the plurality of recesses in the first end face to fix the flange member to the half bearing member, wherein a free spread of the half bearing member before the staking is at least 0.2 mm wider than a spread of the half bearing after the staking.

Abstract: A solar energy collection system can include support devices made with bearings. Such bearings can include an inner partially toroidal surface for sliding contact and support of an outer surface of a torque tube. The toroidal surface can be made with a single radius of curvature or multiple radiuses of curvature and cylindrical portions. The bearings can include connectors for connecting the bearing members to a support housing. The connectors can be tool-less connectors.

Abstract: A compression resistant component adapted to be mounted to a surface using a mechanical fastener having a component body with a first surface and a second surface and a fastener passage defined by the component body extending from the first surface to the second surface. At least one elongated compression limiter is embedded in the component body displaced from and substantially parallel to a main longitudinal axis of the fastener passage. The elongated compression limiter if formed of a material having a greater compressive modulus that the material of which the component body is formed. When a fastener exerts a compressive force on the mounting component, the elongated compression limiter bears a portion of the compressive force exerted by the fastener on the component body, thereby allowing the component body to resist the effects of the compressive force.

Abstract: A power operated rotary knife (100) including: an annular rotary knife blade (300) including a knife blade bearing surface (319); a blade housing (400) defining a blade housing bearing surface (459); and a blade-blade housing bearing structure (500) disposed between the knife blade bearing surface (319) and the blade housing bearing surface (459). The blade-blade housing bearing structure (500) includes a rolling bearing strip (502) having a plurality of rolling bearings (506), such as ball bearings, disposed in spaced apart relation in a flexible separator cage (508). The rolling bearing strip (502) traverses through an annular passageway (504) defined between the knife blade bearing surface (319) and the blade housing bearing surface (459) to secure the knife blade (300) to the blade housing (400) and support the knife blade for rotation about a central axis (R) with respect to the blade housing (400).

Abstract: A power operated rotary knife including: a handle assembly, a head assembly and a vacuum attachment assembly. The handle assembly includes an elongated cylindrical handle housing defining a handle assembly longitudinal axis extending through a throughbore of the handle housing. The head assembly includes a rotary knife blade rotatably supported for rotation about an axis of rotation in a blade housing and a frame securing the blade housing to the distal end of the handle assembly in a position offset from the handle housing, the axis of rotation of the rotary knife blade being spaced apart from and parallel to the handle longitudinal axis. The vacuum attachment assembly includes an adapter including an upper boss affixed to the frame and a body for receiving a vacuum hose. A central axis of the adapter is parallel with respect to the rotary knife blade central axis and the handle assembly longitudinal axis.

Abstract: A thrust bearing surface for a floater-style centrifugal pump is described. A thrust bearing system includes a rotatable member including a sleeve, and a flange extending radially on a downstream side of the sleeve, a swirling member on a top of the flange, the swirling member extending axially towards an impeller bottom, wherein as the swirling member rotates, the swirling member guides working fluid in an outwards and upwards direction from the swirling member. A rotating member of a thrust bearing surface includes a sleeve securable to a rotatable shaft of a stage, a flange extending radially around a top of the sleeve, and at least one swirling member extending axially downstream from a top of the flange towards a bottom of an impeller, wherein each of the at least one swirling member extends from an outer diameter towards an inner diameter of the flange.

Abstract: A power operated rotary knife including: a handle assembly, a head assembly and a vacuum attachment assembly. The handle assembly includes an elongated cylindrical handle housing defining a handle assembly longitudinal axis extending through a throughbore of the handle housing. The head assembly includes a rotary knife blade rotatably supported for rotation about an axis of rotation in a blade housing and a frame securing the blade housing to the distal end of the handle assembly in a position offset from the handle housing, the axis of rotation of the rotary knife blade being spaced apart from and parallel to the handle longitudinal axis. The vacuum attachment assembly includes an adapter extending at an angle away from the handle housing such that a central axis of the adapter is transverse to the with respect to the rotary knife blade axis of rotation and the handle assembly longitudinal axis.

Abstract: A power operated rotary knife (100) including: an annular rotary knife blade (300) including a knife blade bearing surface (319); a blade housing (400) defining a blade housing bearing surface (459); and a blade-blade housing bearing structure (500) disposed between the knife blade bearing surface (319) and the blade housing bearing surface (459). The blade-blade housing bearing structure (500) includes a rolling bearing strip (502) having a plurality of rolling bearings (506), such as ball bearings, disposed in spaced apart relation in a flexible separator cage (508). The rolling bearing strip (502) traverses through an annular passageway (504) defined between the knife blade bearing surface (319) and the blade housing bearing surface (459) to secure the knife blade (300) to the blade housing (400) and support the knife blade for rotation about a central axis (R) with respect to the blade housing (400).

Abstract: A planetary transmission of a wind turbine includes a ring gear which has an internal toothing and at least one planetary gear which has an external toothing that meshes with the internal toothing of the ring gear. The planetary gear is rotatably supported on an axle by a bearing assembly. The bearing assembly includes at least one outer ring having a radially-outwardly-protruding radial projection and at least one set of rolling elements that roll on the outer ring. The planetary gear has a bore and a recess in the region of an axial end, which recess widens the bore. The outer ring is disposed in the bore of the planetary gear such that the radial projection of the outer ring engages into the recess of the planetary gear.

Abstract: The object of the invention is to provide a wind power generator whose yaw bearing can be replaced by a simple device. A wind power generator has a nacelle, a tower that supports the nacelle at a high location, a yaw bearing that is located between a first bearing seat that is provided on the bottom section of the nacelle and a second bearing seat that is provided on the top section of the tower, first and second jack seats that extend to the outer diameter side of the first and second bearing seats, a jack-up unit that is located between the first and second jack seats so that there is a space though which the yaw bearing can be removed or installed in the radial direction of the yaw bearing, and that can jack up the nacelle, and a suspension unit that is provided on the nacelle and that can move while suspending the yaw bearing.

Abstract: A turbocharger bearing system comprising a shaft (211) including at least one shoulder (A2) with a rotor (212) disposed on the shaft (211). First and second bearing sleeves (254) are disposed on the shaft (211) at opposite ends of the rotor (212). Each bearing sleeve (254) includes a collar (213) and a journal portion (225). A journal bearing (249) is disposed on each journal portion (225) and the journal portion (225) of the first bearing sleeve (254) abuts the shoulder (A2) of the shaft (211). In certain aspects of the technology described herein, the bearing sleeves (254) may be oriented in opposite directions. The shaft (211) is the same diameter where the bearing sleeves (254) are positioned. Accordingly, the bearing sleeves (254) may be interchangeable, as well as the journal bearings (249).

Abstract: A bearing element for a sliding bearing is configured to support a drive shaft of a hydraulic machine. The bearing element is connected to the drive shaft so as to prevent relative rotation and has an outer annular surface configured to provide sliding support. A supporting web is formed between a location at which the bearing element is fixed to the drive shaft and the outer annular surface. The supporting web is elastically deformable to compensate for deflection of the drive shaft and/or an alignment error of sliding bearings of the drive shaft. A sliding bearing has a bearing element of this kind, and a hydraulic machine has at least one sliding bearing of this kind.

Abstract: According to a first aspect of the invention, there is provided a bearing structure including: a resin bush having a flange formed to be brought into contact with a plate face around a bearing hole from one side, a locking edge formed to be locked with the plate face around the bearing hole from the other side, and a circular through-hole formed to bear the support shaft inserted therethrough, wherein, upon receiving a load applied to the support shaft, the entire resin bush is flexibly displaced so that an inner circumferential surface of the through-hole is aligned with a hole edge of the bearing hole and the support shaft is born by the hole edge of the bearing hole.

Abstract: A synthetic resin bearing for a photovoltaic tracking system includes first and second bearing members coupled with each other for forming a bearing assembly. Each of the first and second bearing members has a pair of side plate members facing each other. A friction member is positioned between outer peripheral portions of the pair of side plates has an arc-shaped section. A reinforcement member connects the pair of side plates and the friction member, and the first and second bearing members have a coupling protrusion and a concave portion for receiving the coupling protrusion.

Abstract: A pump assembly with a rotatable rotor shaft (10), wherein the rotor shaft (10) includes at least one axial bearing (36, 40) and a radial bearing (30, 32), which are integrated into a common bearing assembly (16).

Abstract: The present invention relates to a flanged bronze bushing, provided with at least one slide bearing (1) and at least one axial bearing (2) in the form of a flange; the slide bearing (1) comprising at least first (4) and second (4?) recesses arranged in a side region (6); the axial bearing (2) comprising at least one deformable protrusion (3) arranged in first position (12), an adjacent space (5), a stress-alleviating region (7), a rigid protrusion (8) and a cooperating surface (10). The axial bearing (2) is capable of being integrated with the slide bearing (1) through association of the cooperating surface (10) of the deformable protrusion (3) with the first recess (4), the deformable protrusion (3) taking on a second position (12), which exhibits plastic deformation (?X) with respect to the first position (11); and through simultaneous association of the rigid protrusion (8) with the fixed recess (4?).

Abstract: A sleeve is retained to a shaft without the use of a keyway through at least one end connection that has a preferably flat face with one or more projections from the flat face. Rounded projections are preferred. The projections go into shape matching depressions on the sleeve. Alternatively the sleeve can have the projections and the end retainer can have the depressions. The end retainer is spring loaded for axial deflection in the event of an over-torque. If that happens there is planned for slippage until the condition is alleviated at which point the spring bias is able to again match a projection to a depression for continuing tandem driving of the shaft and the sleeve. The sleeve is preferably carbide and resides in a carbide bushing.

Abstract: A bearing arrangement of a shaft (2) is provided with which an annular bearing sleeve (4) is applied onto the shaft (2). At least in the axial region in which the bearing sleeve (4) is arranged, the shaft (2) includes a profiling extending parallel to its longitudinal axis (X). A corresponding engagement element (12) on the inner periphery of the bearing element (4) engages the profiling with a positive fit. At least one engagement element (12) extends in the direction of the longitudinal axis (X) of the shaft (2) only over a part of the length of the bearing sleeve (4).

Abstract: A flanged bushing comprising a slide bearing (1), which has at least one half-ring-shaped or ring-shaped axial bearing (2) affixed to the side (6) of the bearing, this side being formed by its thickness, where recesses are provided with geometry cooperating with those of the locking elements, resilient fixation protrusions (3), arranged on the axial bearing (2), angularly distributed along its perimeter, like protrusions (3), which are radially of the inner diameter of the axial bearing (2).

Abstract: A thrust washer (14) in the form of a semi-circular flanged ring includes at least two radially inward-directed outer connection pieces (22) on the inner edge of the thrust washer (14) for the connection with a radial bearing part (12), which are located in the circumferential direction on both sides of a contrived centerline (M) of the thrust washer (14) and in each case have an inner edge (23) facing the center line (M) and an outer edge (23a) turned away from the centerline (M). The invention also relates to a radio axial bearing with a radial bearing part and a thrust washer of such a type connected with the radial bearing part. The inner edges (23) in each case include an angle (?), which is 45° and 85°, with a tangent on the inner side connected in the center of the connection piece (22) at the semi-circle described by the thrust washer (14), in which the outer edge (23a) runs parallel to the respective inner edge (23).

Abstract: A bushing of a bearing and a toothed loop for a variable speed bicycle comprises at least one dove-tail recess and dove-tail retaining projection fixed on two sides of a metal piece respectively; the toothed loop including a small-diameter hole disposed on a central portion thereof, the small-diameter hole including a large-diameter groove mounted on an upper side of the toothed loop, the large-diameter annular groove including plural teeth formed therearound; wherein the dove-tail recess includes two first titled surfaces arranged on two sides thereof individually, the dove-tail retaining projection includes two second titled surfaces arranged on two sides thereof individually, the metal piece is twisted to form a hollow cylinder so that the dove-tail recess and the dove-tail projection are connected together, and then they are engages with each other by using the first and second titled surfaces; the toothed loop is rejection molded from non-metal composite material.

Abstract: A bearing bush system includes a bearing bush of polyamide that is held on an outer steering shaft with a stopping collar and on the free face of which the one-piece sealing element of thermoplastic elastomer that seals statically with a ring seal as well as dynamically with sealing lips is held in a form-fitting fashion by means of watchtower-like denticulated ribs provided on both sides. The bearing bush system of two plastics forms a single component, requires low manufacturing expenditures, can be easily assembled and also ensures a reliable seal.

Abstract: A bearing arrangement of a shaft (2) is provided, with which an annular bearing sleeve (4) is applied onto the shaft (2). The bearing sleeve (4), for axial fixation, bears with at least one axial end (8, 10) on a retaining sleeve (6) applied onto the shaft (2). The retaining sleeve (6), at least at one axial end (15, 16), has a greater wall thickness than in its axial middle region (18).

Abstract: A flanged bushing comprising a slide bearing (1), which has at least one half-ring-shaped or ring-shaped axial bearing (2) affixed to the side (6) of the bearing, this side being formed by its thickness, where recesses are provided with geometry cooperating with those of the locking elements, resilient fixation protrusions (3), arranged on the axial bearing (2), angularly distributed along its perimeter, like protrusions (3), which are radially of the inner diameter of the axial bearing (2).

Abstract: A bush bearing includes a synthetic resin-made bush having a circumferential groove on its outer peripheral surface; an endless annular elastic member fitted in the circumferential groove of the bush; and a positioning structure for determining the position of the bush in a B direction with respect to an inner peripheral surface of a gear housing.

Abstract: A hub for a bicycle includes a shaft, a hub body rotatably mounted on the shaft, a drive seat rotatably mounted on the shaft and engaged with the hub body, and a self-lubricating bearing mounted between the drive seat and the shaft. The self-lubricating bearing has a radially and outwardly extending limit flange rested on the drive seat. Thus, the self-lubricating bearing has an inner wall contacting with an outer wall of the shaft completely and an outer wall contacting with an inner wall of the drive seat completely, so that the external force applied on the self-lubricating bearing is distributed evenly and smoothly to prevent the self-lubricating bearing from being distorted or deformed due to a stress concentration, thereby enhancing the lifetime of the self-lubricating bearing.

Abstract: A radially movable bearing for a shaft of a gear in a steering system includes a bush or outer ring that is supported in a receiving element of a mount or housing for the gear. In order to create a radially flexible bearing for the shaft of the gear, which movable bearing enables quiet operation for the entire service life of the gear, the outer ring or the bush is held by at least one support element that is inserted in a gap between the receiving element and the outer ring, and that is made of a material with elastomer behavior.

Abstract: An improved bearing for an electric motor includes a body portion having an open end configured to receive a portion of an armature shaft of an electric motor therein. In an illustrated embodiment, the bearing also includes a base configured to apply a spring force to an end surface of the armature shaft, and a connecting portion located between the body portion and the base.

Abstract: A centrifugal pump has a stationary diffuser with a bore. A thrust bearing has a tubular portion that inserts into the bore. The thrust bearing has an external shoulder that contacts a support surface in the bore of the diffuser for transmitting downward thrust from an upstream impeller to the diffuser. The thrust bearing has an internal shoulder for transmitting upward thrust from a downstream impeller to the diffuser.

Abstract: The invention relates to a method for the production of a flange sleeve especially for a sliding bearing. A strip of material is cut into lengths corresponding to the later periphery of the flange sleeve. The strip section thus arising is rolled to form a hollow cylindrical sleeve with an open butt joint and a collar is placed around one or two sides. The open butt joint is expanded in the region of the collar to form a V-shaped slit. One or several recesses are made in the region of the later open butt joint on one or two of the longitudinal edges of the strip section.

Abstract: A bearing bush system comprises a bearing bush (3) of polyamide that is held on an outer steering shaft (1) with a stopping collar (2) and on the free face of which the one-piece sealing element (7) of thermoplastic elastomer that seals statically—with a ring seal (14)—as well as dynamically—with sealing lips (10, 11)—is held in a form-fitting fashion by means of watchtower-like denticulated ribs provided on both sides. The bearing bush system of two plastics forms a single component, requires low manufacturing expenditures, can be easily assembled and also ensures a reliable seal.

Abstract: A bearing block assembly includes a liner having a two piece ring of low friction material extending around the rockshaft and held in place by a bearing block. The rockshaft includes a radially projecting member interacting with the bearing block assembly to maintain the axial position of the rockshaft. The bearing liner includes a flange extending beyond the bearing block to contact the projecting member. The flange is seated in a groove at the side of the bearing block and lowers the coefficient of friction at the rockshaft/thrust surface interface.

Abstract: A hub for a bicycle includes a shaft, a hub body rotatably mounted on the shaft, a drive seat rotatably mounted on the shaft and engaged with the hub body, and a self-lubricating bearing mounted between the drive seat and the shaft. Thus, the self-lubricating bearing has an inner wall contacting with an outer wall of the shaft completely and an outer wall contacting with an inner wall of the drive seat completely, so that the external force applied on the self-lubricating bearing is distributed evenly and smoothly to prevent the self-lubricating bearing from being distorted or deformed due to a stress concentration, thereby enhancing the lifetime of the self-lubricating bearing.

Abstract: A bearing is provided comprising an elongated body including an outer surface and an inner bore. The body includes a front face and a rear face. The front face has at least one circumferential groove and the rear face has at least one circumferential groove. The inner bore and the front face groove define a first wall having a thickness. The front face groove and the rear face groove define a second wall having a thickness. The rear face groove and the outer surface define a third wall having a thickness. The first wall, second wall, and third wall form a pair of crenulations therebetween wherein the first wall thickness is greater than the second wall thickness.

Abstract: A thrust bearing assembly includes an upper thrust bearing and a lower thrust bearing for use in an engine assembly of a vehicle and which, are preferably, identically configured. The upper and lower thrust bearings each include an arcuate bearing shell with a concave inner surface and a convex outer surface and each may be formed with a pair of axially spaced flanges extending radially outwardly of the bearing shells. The flanges may be formed as one piece with the bearing shell and the thickness of one of the flanges is greater than that of the other of the flanges. The thicker flanges are load bearing and preferably contoured, whereas the thinner flanges are not. The bearings are installed with the thick flange of each bearing matched radially opposite the thin flange of the companion bearing to minimize fatigue and failure normally attributed to repeated seating and unseating of the bearing assemblies having flanges of equal thickness caused by changing bending loads imparted by a shaft.

Abstract: A micro gear system, operating according to the principle of a strain wave gear system, a Wolfrom gear system, or a similar planetary gear system comprises at least one sun wheel (14) and at least two planet wheels (16) meshing with the sun wheel (14). The sun wheel (14) is rotatably fixed to drive shaft (20) placed along a longitudinal axis (18) of the gear system. The planet wheels (16) indirectly or directly mesh with a toothing which is rotatably fixed to a drive shaft (28) placed centrally along the longitudinal axis of the gear system. The drive shafts (20,28) are embodied as hollow shafts (30,32) having continuous bore holes (34,36) such that information or fluid media can be directed through the gear system. A sealing system (42) comprising a labyrinth seal (44) which includes a plurality of annular grooves (46) is disposed between the hollow shafts (30,32).

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: A reciprocating piston mechanism for an air-conditioning compressor in a motor vehicle has a housing, a rotary driven shaft, a shaft seal assembly with a gliding ring seal, at least one radial shaft bearing, and at least one axial shaft bearing.

Abstract: The present invention provides a flanged bush including a substantially cylindrical body portion, a radial flange portion, and an undercut region disposed within a surface of the body portion and the flange portion, wherein the undercut region is operable for relieving stresses present in the surface of the body portion and the flange portion. The present invention also provides a flanged bush including a substantially cylindrical body portion and a pair of substantially semi-circular members, wherein the pair of semi-circular members form a radial flange portion of the flanged bush. The present invention further provides a method for the manufacture of a flanged bush including providing a substantially cylindrical structure, bending an end portion of the structure 45 degrees, and bending the end portion 90 degrees. The method also including bending the end portion of the structure past 90 degrees and allowing the end portion to return to 90 degrees.

Abstract: An elastic rubber bearing is provided with an intermediate tube, namely, a bush bearing with a reinforcing insert arranged in the elastomeric bearing body. The design of the bearing includes a pretension, which is distributed as uniformly as possible both in relation to the circumference and in the axial direction. The pretension is generated in the elastomer in a bearing body after the vulcanization by calibrating the outer sleeve. A reinforcing element of the bearing includes an intermediate tube slotted on two sides in relation to its axial extension.

Abstract: The present invention provides a flanged bush including a substantially cylindrical body portion, a radial flange portion, and an undercut region disposed within a surface of the body portion and the flange portion, wherein the undercut region is operable for relieving stresses present in the surface of the body portion and the flange portion. The present invention also provides a flanged bush including a substantially cylindrical body portion and a pair of substantially semi-circular members, wherein the pair of semi-circular members form a radial flange portion of the flanged bush. The present invention further provides a method for the manufacture of a flanged bush including providing a substantially cylindrical structure, bending an end portion of the structure 45 degrees, and bending the end portion 90 degrees. The method also including bending the end portion of the structure past 90 degrees and allowing the end portion to return to 90 degrees.

Abstract: A pipe member is pushed into an inner periphery of a core of an armature to fix the pipe member to the armature. The pipe member is inserted over a fixed shaft. Bearing members have a small hole and a large hole formed at their centers. Pipe member ends are pushed into and fixed to the large diameter holes. The fixed shaft is inserted into the small holes to rotatably support the armature. A guide hole is formed at the center of an impeller of a pump unit, and is fitted to the bearing member, thereby the impeller rotates while the impeller is guided by the outer peripheral surface of the bearing member which rotates integrally with the armature. Coupling protrusions formed on the armature are inserted, and engaged with engagement recesses formed in the impeller to transmit a rotation force of the armature to the impeller.

Abstract: A bearing structure comprises a rotational shaft and a bearing member. The rotational shaft has a pair of flanges, and a small diameter portion provided between the flanges. The flanges have first tapered surfaces. The first tapered surfaces taper down to the diameter of the small diameter portion as the first tapered surfaces approach the small diameter portion. The bearing member has a support groove to support the small diameter portion, and second tapered surfaces formed between the support groove and restraining surfaces connected by the support groove. The small diameter portion is fit in the support groove while the first tapered surfaces are engaged with the second tapered surfaces. A flank is formed on at least one part of the flanges that face each other and at substantially the same circumferential position on the flanges, to form a gap with one of the second tapered surfaces.

Abstract: Rubber bearing for chassis parts in motor vehicles includes an inner tube which can be installed in a first chassis part, a concentrically arranged intermediate part which is slideably rotatable on said inner tube, an elastomeric body which surrounds and tightly adheres to the intermediate part and which can be installed in a second chassis part. The intermediate part which is fixedly connected with the elastomer body is provided with a sliding coat on its inner circumferential surface.

Abstract: A centrifugal pump has a stationary diffuser with a bore. A thrust bearing has a tubular portion that inserts into the bore. The thrust bearing has an external shoulder that contacts a support surface in the bore of the diffuser for transmitting downward thrust from an upstream impeller to the diffuser. The thrust bearing has an internal shoulder for transmitting upward thrust from a downstream impeller to the diffuser.