Abstract: A hub-bearing unit (10) has a rotatable outer race (30) fixable to a wheel and an inner stationary hub (20) forming a passage (27) for pressurized air coming from a source of pressurized air mounted onboard of a vehicle. Tightly fitted on the axially outer side of the unit (10) is a cylindrical cover (50) defining with the unit (10) an airtight chamber (51) communicating with the passage (27). The cover (50) has a through bore (55) for establishing air communication between the chamber (51) and a tube (A, B) for conveying pressurized air to the tire. The cover has an outer wall (52) with a cylindrical portion (52b) axially protruding beyond the hub-bearing unit (10) so as to provide a cylindrical surface for centering the wheel of the vehicle.

Abstract: An attachment system including an attachment sleeve or attachment arm is provided for attaching a wheel cover, or wheel trim to a vehicle. The attachment sleeve attaches to a nut present on the vehicle. The arm located within the axle housing of the wheel cover provides a compression fitting against parts of the rear hub of a vehicle. It is by compression engagement that the attachment sleeve or arm provides attachment of the wheel cover to the vehicle. Also disclosed is an attachment system kit and method of use thereof.

Abstract: The invention relates to a wheel hub arrangement (1) having at least one wheel hub (2) which is mounted rotatably via at least one wheel bearing (3) on a bearing journal (4) of an axle body (5) which is mounted on a vehicle chassis. Furthermore, the wheel hub arrangement (1) can have a brake system (6). The bearing journal (4) is assigned a display device for displaying critical temperature loading of the wheel bearing (3) and/or the brake system (6), wherein this display device has a display element which responds when critical temperature loading is exceeded.

Abstract: A hub cap is provided for boat trailer wheel hubs that includes an air valve. The valve may take several different forms. A hub cap employs a security air valve that is inserted through an aperture formed within the hub cap body. The valved hub cap allows the hub cavity to be temporarily pressurized when a boat trailer is partially submerged during the launch and recovery of a boat. Additional features may be incorporated in the hub cap, including a pressure release valve, which prevents damage to the hub seal, an O-ring groove in the hub cap body, which seals the cap to the hub and may also secure the hub cap to the wheel hub body. A separate spring retainer clip is also provided, which secures the hub cap to the hub body.

Abstract: A vehicle wheel assembly includes a hub adaptor that eliminates the need for a separate hub cap and gasket by providing wheel rim, wheel hub, and brake component attachment interfaces, as well as a lubrication chamber that can be visually inspected to monitor lubrication levels. The hub adaptor comprises a single piece body having an outwardly extending mounting flange with a first plurality of apertures that define a wheel rim attachment interface. The hub adaptor also includes an inner recessed area with a second plurality of apertures that define both the wheel hub and brake component attachment interfaces. The hub adaptor also includes an inner circumferential surface that provides a piloting and sealing interface between the hub adaptor and the wheel hub.

Abstract: An aircraft wheel assembly including an axle housing means for sensing wheel speed, one end of the axle being covered by a cap member (10), the cap member (10) comprising a generally cuplike body (16) having an end wall (14) towards the free end of the axle, the cap including means for driving the wheel speed sensing means, the side wall of the body having at least one stiffening deformation.

Abstract: A method of mounting a hubcap on a wheel that involves providing a wheel having an annular hub surrounding an axis of rotation, the hub including a first periphery extending along the circumference of a circle surrounding the axis of rotation and a second periphery spaced from the circumference of the circle, providing a hubcap having a top wall and a cylindrical sidewall extending from the top wall, the cylindrical sidewall having an end edge spaced from the top wall and a circumferential flange projecting from the cylindrical side wall, the circumferential flange having a sidewall and an alignment tab projecting from the sidewall, aligning the hubcap alignment tab with the second periphery, placing the hubcap sidewall against the hub and the alignment tab over the second periphery, and clamping the hubcap to the wheel. Also a wheel (10, 80) including a hubcap (30, 90) and a clamp (50).

Abstract: A bicycle hub cover assembly is installed on a bicycle hub to provide a hard, rigid protective cover for the bicycle hub. In one embodiment, the bicycle hub cover assembly has a hub shell cover, a first hub end cover, a second hub end cover and a pair of fasteners that attach the hub end covers to the axle of the bicycle hub. The hub shell cover is configured and arranged to be mounted concentrically around a center portion of the hub shell of the bicycle hub, while the hub end covers overlie the axial ends of the bicycle hub. Thus, the bicycle hub is completely enclosed, except for a small gap located between the hub shell cover and each of the first and second hub end covers. In another embodiment, the hub shell cover is eliminated.

Abstract: A non-drive axle depends from a heavy-duty vehicle. Each one of a pair of wheel end assemblies is mounted on a respective one of the ends of the non-drive axle. Each wheel end assembly includes a pair of bearings mounted on a spindle of the axle, and a wheel hub rotatably mounted on the bearings. A cavity is formed in the wheel end assembly between the bearings. A port is formed in the wheel hub and extends generally parallel to a central axis of the wheel hub, and communicates with the outboard surface of the wheel hub and the cavity. Lubricant for the bearings is introduced into the cavity by means of the port, and the port is tapped to receive a plug to seal it and contain the lubricant in the cavity. The port also receives a bolt that secures a hubcap to the wheel hub.

Abstract: A hub assembly for oil lubricated hubs and a conversion kit to convert grease lubricated hubs to oil lubricated hubs. A hub assembly can include a hub defining a passageway that the axle spindle can pass through; the passageway also defines an inner bearing race, and an outer bearing race for receiving inner and outer bearings. The hub further defines an inner seating surface and an outer seating surface. The inner seating surface receives an inner seal and the outer seating surface can receive a cap or an extension and a cover. The extension and cover in a preferred embodiment serve many of the same purposes as a single cap. The cap has an axis and preferably defines a passageway along the same axis, and it has a wall member with a seating surface for engaging the seating surface of the hub. A stopper is provided in the passageway in the cap. In a preferred embodiment, an extension and cover is used in place of the cap. In a preferred embodiment, a removable stopper is placed in the passageway of the cover.

Abstract: A pressurized wheel hub formed from an air-tight sealing arrangement located on each end of a wheel hub to form a closed air system in the interior of the wheel hub. The closed air system fluidly coupled to a DC power air compressor for receiving pressurized air. A pressure gauge provides a visual indication of the air pressure in the closed air system whereby a breached seal condition within the wheel hub can be detected.

Abstract: A tactile and visual indicator is mounted on the hub cap of an axle of a vehicle. The indicator has a deformable face that protrudes away from the hub cap in response to the presence of pressurized air in the space containing the wheel bearings. The position of the deformable face indicates the presence or absence of hub integrity and indication of grease about the wheel bearings.

Abstract: A hubcap breather assembly is provided for a hubcap housing lubricated wheel bearings in an automotive vehicle. The breather assembly includes a resilient, annular collar that fits into an access opening in a hubcap end wall, a filter cartridge cup, and a filter cartridge lid which fit together to hold a filter therebetween in a filter cartridge chamber. The filter is a hydrophobic, gas-permeable, particular matter filter that is disposed within and extends entirely across the filter cartridge chamber. Ambient air entering the hubcap through the hubcap breather assembly is filtered to exclude both particulate matter and water before entering the wheel bearing chamber. The filter is preferably formed of three layers, including an outboard porous layer of sintered polypropylene plastic, an intermediate hydrophobic layer of polytetrafluoroethylene, and an inboard porous layer of sintered polypropylene plastic. The filter can be replaced by separating the filter cartridge lid from the filter cartridge cup.

Abstract: An attachment system including an attachment sleeve or attachment arm is provided for attaching a wheel cover, or wheel trim to a vehicle. The attachment sleeve attaches to a nut present on the vehicle. The arm located within the axle housing of the wheel cover provides a compression fitting against parts of the rear hub of a vehicle. It is by compression engagement that the attachment sleeve or arm provides attachment of the wheel cover to the vehicle. Also disclosed is an attachment system kit and method of use thereof.

Abstract: A cover for a wheel or hub may be rotationally attached and removed from the hub by hand due to a mounting clip on the cover defining a space for a single lug nut and a tangentially oriented entryway.

Abstract: A hub cap for a wheel hub having a cylindrical housing with a closed first end and an open second end adapted for attachment in an air-tight sealing arrangement to the outer end of a wheel hub to form a closed air system in the interior of the wheel hub. An air pressure gauge in an air flow connection with the closed air system is operable to provide a visual indication of the air pressure in the closed air system. The air pressure gauge includes a dial face and a pressure indicating needle moving relative to the dial face in direct relation to the air pressure within the closed air system. The dial face includes indicia thereon to assist an observer to readily identify a breached seal condition within the wheel hub.

Abstract: A skate wheel for skates or skateboards is provided which includes decorative spacers therein. The skate wheel includes a cylindrical outer hub bonded to an outer layer, a cylindrical inner hub, and first and second decorative spacers positioned between the inner surface of the outer hub and the outer surface of the inner hub. The spacers provide an aesthetically pleasing appearance to the wheel as well as provide support for the inner hub within the wheel.

Abstract: A cover assembly is provided for a wheel hub, which includes a coupler and a cap. The coupler has a forward segment with a coupler forward opening and a coupler rearward segment with a coupler rearward opening. The cap has a cap opening, a cap barrel, and a cap end plate. The coupler rearward segment is configured for connection to a wheel hub, while the cap is configured for connection to the coupler forward segment and for selectively removable coverage of the coupler forward opening. The cap barrel has a first threaded surface and the coupler forward segment has a second threaded surface, which are selectively engagable to enable threadable connection of the cap to the coupler forward segment. The coupler rearward segment has a smooth engagement surface capable of press fitting connection to the wheel hub.

Abstract: A wheel center cap for a vehicle wheel includes a substantially planar body portion, and a plurality of flexibly resilient fingers extending substantially orthogonal to the body portion and adapted to be received within a central aperture of a wheel. Each finger includes a pair of sidewalls and an integrally formed outer wall, wherein the outer wall includes a centrally-located portion defining a first radius of curvature, and rounded abutment portions located proximate the sidewalls and having a second radius of curvature that is less than the first radius of curvature.

Abstract: A hub cap vent plug which is resistant to penetration by water sprayed under high pressure during vehicle washing. The plug includes an axially outer end face portion, sidewall portions adapted to mate in fluid-tight relation with an opening in an associated hub cap, and a small diameter opening terminating at one of its ends in a thin web of the plug material. The plug has a valve cover with an inner surface spaced closely apart from said end face portion, thereby defining a pair of transverse openings. A normally closed valve such as a slit in the web allows pressure and vacuum to vent through the valve.

Abstract: An assembly to be mounted in an axle spindle for communicating pressurized air from the axle to a rotary union in a tire inflation system. The assembly includes an arbor having an air flow channel extending therethrough, a flange intermediary of the arbor ends and an axially inclined portion proximate the flange. A sealing member is carried by the flange for forming an airtight seal with the axle spindle. A split ring locking assembly is disposed about the inclined portion of the arbor that is comprised of a plurality of segments held by an expansible retention spring. The segments move radially outwardly upon the locking assembly being moved along the inclined arbor portion and engage the axle spindle, securing the plug assembly within the spindle, A fastening member threadably engages the arbor for urging the locking assembly along the inclined arbor portion to effect securement of the plug assembly within the axle spindle.

Abstract: A wheel cover for a vehicle wheel has a holding device which is activated by a lateral pressing-on of the appropriately position wheel cover, to fix the wheel cover on the wheel body. The holding device is deactivated by another pressing-on of the wheel cover in the same direction, so that the wheel cover can then easily be removed from the wheel body. For this purpose, the holding device includes a connecting link path as well as a detent pin guided therein during the mounting of the wheel cover. During mounting of the wheel cover on the wheel body, the free end of the detent pin is guided in the connecting link path such that, a first pressing-on of the wheel cover causes it to arrive in a detent position in the connecting link path, while a second pressing-on changes it out of the detent position, into a connecting link path section by way of which the detent pin can be guided out of the connecting link path. The wheel cover can preferably be pressed onto the wheel body against a spring force.

Abstract: A wheel cover is disclosed. The wheel cover reduces the drag and operating temperatures of a tire/wheel arrangement. The wheel cover includes an exhaust port, a bridge section located over the exhaust port, and a pressure sensor arrangement disposed on the bridge section.

Abstract: A hub cap for a wheel hub comprises a cylindrical housing having a closed first end and an open second end, the open second being adapted for attachment in an air-tight sealing arrangement to the outer end of a wheel hub to form a closed air system in the interior of the wheel hub; an air valve in an air flow connection with the closed air system for receiving pressurized air; and an air pressure gauge in an air flow connection with the closed air system operable to provide a visual indication of the air pressure in the closed air system whereby a breached seal condition within the wheel hub can be detected. The second end is formed with a flange and an outer annular shoulder wherein the flange is adapted to fit into the outer end of a wheel hub. In a preferred embodiment, the flange is threaded for insertion into a threaded wheel hub. The outer annular shoulder includes an circumferential recess and an O-ring is disposed in the recess to provide an effective air tight seal.

Abstract: A wheel end assembly is provided that allows venting of pressurized air from a chamber defined by the hubcap, but prevents entry of contaminants into the chamber. The wheel end assembly includes a hubcap that is configured to be coupled to a wheel and defines a chamber for retaining lubricant for wheel bearings for the wheel. One wall of the hubcap has an aperture in fluid communication with the chamber and a plug is disposed within the aperture. The plug defines a valve for releasing pressurized air from the chamber. The assembly finally includes a cap that is supported on the body of the plug and extends in an outboard direction. The cap is disposed over an outlet of the valve and defines a first fluid chamber in fluid communication with both the outlet of the valve and ambient air. The cap and plug can be inserted into and removed from the aperture as a unit.

Abstract: A hub cap is provided for boat trailer wheel hubs that includes an air valve. The valve may take several different forms. A first embodiment hub cap employs a needle valve that is inserted through an aperture formed within the hub cap body. A second embodiment hub cap employs a Schrader-type valve. The valved hub cap allows the hub cavity to be temporarily pressurized when a boat trailer is partially submerged during the launch and recovery of a boat. Additional features may be incorporated in the hub cap, including a pressure release valve, which prevents damage to the hub seal, an O-ring groove in the hub cap body, which seals the cap to the hub and may also secure the hub cap to the wheel hub body. A separate spring retainer clip is also provided, which secures the hub cap to the hub body.

Abstract: A wheel cover of an automobile is formed with several holding holes on an outward side thereof, and has light emitting members fixedly disposed in respective holding holes; each light emitting member consists of a circuit board, an electricity-activated light emitting element connected to an outward side of the circuit board, cells, and a vibration-activated switch fitted to the circuit board, which can make the light emitting element activated with the cells when making circular movement; thus, light can be emitted from the light emitting members when an automobile equipped with the wheel cover is driven, and in turns, lateral sides of the automobile can be easily noticed by other people.

Abstract: A wheel bearing device is provided to prevent loosening of a hub ring and an outer joint ring that are fitted together. An irregular portion treated with hardening is formed on a fit face of the hub ring on an inside periphery of which the outer joint member is fitted. A low hardness portion of the outer joint member formed with hardness lower than that of the irregular portion is expanded in diameter to make it bite into the irregular portion. In this way the hub ring and the outer joint ring are unitized together.

Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.

Abstract: The invention relates to a cover plate for a vehicle wheel having a holding device which is activated by a lateral pressing-on of the appropriately position cover plate and thereby fixes the cover plate on the wheel body, in which case the holding device is deactivated by another pressing-on of the cover plate in the same direction, sot hat the cover plate can then easily be removed from the wheel body. Elements of the holding device are preferably a connecting link path as well as a detent pin guided therein during the mounting of the cover plate.

Abstract: An axle end plug employs a magnet which attracts ferrous metallic debris from a cavity in a trailer axle wheel end. The axle end plug includes a vent hole which is substantially aligned with an aperture in the magnet. The vent hole vents the cavity in the trailer axle wheel end to the interior of the axle, rather than to the atmosphere. The arrangement prevents external contaminants such as dirt and water from entering the cavity. The magnet attracts ferrous debris which accumulates in the cavity from component wear or from manufacturing debris which remains in the axle interior. The magnet attracts and removes these particles from the trailer axle wheel end, minimizing the wearing of components.

Abstract: To retain a decorative tubular cover having a given inner diameter over the axle hub of a wheel, a strap having a plurality of radially extending arms thereon is tightened around the circumference of the axle hub. The ends of the arms define a circle having a diameter a little larger than the given inner diameter of the tubular cover. The tubular cover is pushed over the arms until the open end thereof rests against the web of the wheel where it is retained by the outwardly directed forces applied by the arms.

Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.

Abstract: A method for producing a resin-molded article having openings which is free from a weld at a conjunction portion of synthetic resin flows and which exhibits excellent surface appearance and satisfactory strength provides a resin-molded article. This method includes injection-molding synthetic resin by using a mold, wherein the mold has a cavity which as projections for forming openings, projection-side peripheral portions surrounding the projections and a flow-rate changing means for making the flow rate of the injected synthetic resin different at each sides of each projection, and wherein the synthetic resin is injected into the cavity of the mold through a resin-injection opening.

Abstract: Sensor-holding lid for a wheel hub bearing (2), the lid (1) presenting a base wall (7) which is externally delimited by a peripheral border (8), an axial ledge which is integral to the wall and which is provided with a passing hold (9) for housing the sensor, and a cylindrical wall (10) which is transverse to the base wall (7) and which is arranged radially inside the peripheral wall (8) in order to be fixed onto an external border (6) of the bearing (2); at least two annular static sealing elements (16,17) which are made of rubber and which are co-moulded, respectively, into the peripheral border (8) on the outside of the cylindrical wall (10) and inside an entry border (14) of the passing hole (9).

Abstract: A frangible grease cap for use in a collapsible constant velocity joint. The frangible grease cap includes a body generally having a circular shape. The frangible grease cap includes an orifice through a center section of the body. The grease cap also includes at least one reduced thickness groove on a surface of the body of the constant velocity joint grease cap. The grease cap has a circumferential flange extending from an end thereof. The grease cap includes reduced thickness grooves having predetermined shapes which will peel or rupture when a predetermined axial load is applied thereto. The grease cap is secured to an inner surface of an outer race through any known securing method which also influences when the grease cap will fracture during or completely release during a crash event when a predetermined axial load is applied thereon.

Abstract: To retain a decorative tubular cover having a given inner diameter over the axle hub of a wheel, a strap having a plurality of radially extending arms thereon is tightened around the circumference of the axle hub. The ends of the arms define a circle having a diameter a little larger than the given inner diameter of the tubular cover. The tubular cover is pushed over the arms until the open end thereof rests against the web of the wheel where it is retained by the outwardly directed forces applied by the arms.

Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.

Abstract: A hub cap (10) is fitted to the outer end of a wheel hub (11) containing a wheel bearing (14) to seal the outer end of the hub (11). The hub cap (10) has a cylindrical housing (16) which is provided with a transparent outer end wall (17) to permit the level of lubrication around the bearing (14) to be ascertained visually. The cylindrical housing (16) has an aperture within which a plug (22) is fitted. The plug (22) has a flexible diaphragm (21) which deforms to accommodate pressure changes within the hub cap (10). The hub cap (10) is particularly suitable for wheel bearings of trailers, such as boat trailers.

Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.

Abstract: An expansion plug filter assembly adapted to be mounted in an axle spindle for communicating filtered air from an axle to a rotary union assembly in a tire inflation system. The assembly includes a head portion, a body portion, an internal air flow channel extending longitudinally through the head and body portions. A press plate cavity is provided in the head portion of the assembly. A filter unit is carried by the body portion and a press plate is disposed within the press plate cavity. An o-ring mounted in a groove about the head portion provides an airtight seal between the head portion and the interior of the axle spindle. Tightening a plurality of securement bolts embedded in the head portion draws the press plate into the press plate cavity and causes a downstream portion of the head portion of the assembly to expand against the spindle to releasably secure the assembly within the spindle such that air passing therethrough is first caused to flow through the filter unit.

Abstract: To retain a decorative tubular cover over the distal end of the axle of a wheel, a strap having a plurality of retainers thereon is tightened around the circumference of the axle. A tubular flexible member is fitted in the retainers and around the strap, after which the outer surface of the flexible member is compressed and forced into the open end of the tubular cover.

Abstract: A vent system for a wheel hub comprising a first filtered vent at the wheel end cavity and a second vent formed by a one-way, pressure relief valve venting the axle tube to atmosphere. The vent system defines a vent path from the wheel end cavity through a first, preferably filtered, vent into the axle tube then through a second check valve connecting the axle tube to atmosphere. A porous material is positioned to cover the vent passage at the wheel end cavity for allowing a flow of gases to enter and exit the vent passage while preventing liquids and other contaminants from traveling therethrough. The porous material is held in place over the vent by a snap ring or other suitable retention system disposed within the vented plug member.

Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.

Abstract: A vehicle tire inflation system includes an axle assembly with an axle housing having an air supply conduit. Air is provided to the air supply conduit from an air tank mounted on the vehicle. The axle includes least one wheel hub rotatably supported on the axle housing by bearings. A hub cap is mounted at one end of the wheel hub and has an inlet and an outlet interconnected by a passageway. Air flows from the air supply conduit to the inlet, through the passageway, and out the outlet. At least one pneumatic tire is mounted for rotation with the wheel hub and has a tire inlet. A hose connects the hub cap to the tire to route air from the hub cap outlet to the tire inlet.

Abstract: A mounted assembly of a mounting wheel, a tire provided with sidewalls between a tread and parts of the tire intended to come in contact with said wheel after mounting of the tire on the wheel and a wheel hubcap fastened to the wheel. The mounted assembly is characterized in that one of the sidewalls cooperates with the hubcap to secure a good angular position of the hubcap in relation to said sidewall as well as to maintain the angular position during the use of the assembly on the vehicle.

Abstract: A hub (4) for supporting a non-driven road wheel has a hole section formed to have an opening in the central portion at either end of the hub. A tone wheel (19) is fitted onto the shoulder portion of an inner ring (5) fixed to the axially inner end of the hub 4, and has a function to work as a seal member, such that the opening at the axially inner end of the hole (8, 63a) is covered. In addition, a cap (27) is fitted into the axially outer end of the hub (4) to cover the opening at the axially outer end of the hole (8, 63b).

Abstract: Hub centric truck wheel cap apparatus including a cup shaped cap having a cylindrical wall configured with radially through windows. A set of spacer rings having lugs of different radial depths are provided for mating with the cap and projecting through such windows to form spacers in the annulus between selected wheels of different center bore diameters and a centering shoulder on a truck hub.

Abstract: A bearing protector device comprising: a tube embodying a flange, a relief cavity and a ledge within its internal wall, a cupped piston and a spring, and wherein the assembly is retained inside the tube by the flange at one end and the ledge requires no other device to retain the assembly within the tube.

Abstract: An article is coated with a multi-layer coating comprising a polymeric layer deposited on the surface of the article, a zirconium compound or titanium compound layer deposited on the polymeric layer, and a polyurethane layer deposited on the zirconium compound or titanium compound layer.