Abstract: A crawler track chassis is motivated by the reciprocating movement of hydraulic cylinder's piston rod.

Abstract: In a machining tool, multiple tooth forming portions for plastically forming spline teeth on an axial end face of a vehicle hub unit, the axial end face facing inward in the vehicle lateral direction, are formed in a circular pattern about the central axis of the machining tool. In the machining tool, a rounded-portion forming portion is formed to form a rounded portion between a tooth flank and a top land of each spline tooth, and the radius of the rounded-portion forming portion gradually changes in the radial direction about the central axis.

Abstract: A rear wheel hub assembly includes a sleeve and a first installation portion and a second installation portion are respectively located in the two open ends of the sleeve. A hub is mounted to one end of the sleeve and two bearings are located between the two open ends of the hub and the sleeve. A ratchet socket is mounted to an end of the sleeve and located away from the first positioning portion. Two end members are located on the two open ends of the sleeve and each end member has a body. The two respective bodies of the two end members are respectively engaged with the first and second installation portions. The two end members are replaceable when the axle of different sizes is replaced so as to be connected to the bicycle frame.

Abstract: A bicycle wheel rim having a circular base portion including a proximal surface and a distal surface, and a pair of integral sidewalls extending generally radially outward from an intersection region of the proximal surface and the distal surface. The distal surface of the rim has a central hump, a trough contiguous with the central hump extending axially outward from the hump, and a flat shelf immediately adjacent, contiguous with, and extending axially outward from the trough. Another embodiment of the invention is directed to a bicycle wheel including the embodied rim, a plurality a spokes engaged at respective ends thereof with the rim and a hub engaged with the plurality of spoke members at opposite ends thereof. Another embodiment of the invention is directed to a bicycle wheel assembly comprising the embodied wheel and a tube and/or tire mounted on the rim.

Abstract: A vehicle wheel weight for attachment to a wheel rim comprises a mass portion formed of nonlead material and a clip. The clip has an extended portion for engaging the wheel rim and an attachment portion juxtaposed to the mass portion. In addition, an injection molded outer casing surrounds the mass portion. The mass portion and the attachment portion of the clip are embedded in the casing, but the extended portion of the clip extends outwardly from and is external to the casing.

Abstract: A deep-lip wheel cover apparatus that attaches with a steel wheel includes a wheel cover, a center cap, and a hub ring. The hub ring is centrally connected with the steel wheel so that the wheel cover and the center cap can be attached to the hub ring. The wheel cover also attaches with the steel wheel through a plurality of fastening systems, where the plurality of fastening system provide additional connection points in between the wheel cover and the steel wheel. When the wheel cover and the center cap are installed within the steel wheel, the wheel cover and the center cap completely cover the steel wheel creating a deep-lip appearance within the steel wheel.

Abstract: A non-pneumatic tire comprising one or more radial regions have differing Shore A/Shore D hardness. The non-pneumatic tire comprises side cavities that are staggered with respect to laterally opposing side cavities, and laterally extending tread grooves that are in substantial radial alignment with or substantially offset relative to the cavities. One radial region may comprising the side cavities, while another radial region with a different hardness comprises the tread grooves. Also provided are processes for making such tires and to off-the-road (OTR) vehicles employing such tires.

Abstract: A tire/wheel assembly includes a wheel having an attaching portion for attaching the wheel to a vehicle and a pneumatic tire that is fit on a periphery of the wheel. The pneumatic tire includes a plurality of tire protrusions and/or a plurality of tire recesses of a tire side portion that constitutes a vehicle outer side, and the wheel includes a plurality of wheel recesses in a surface that constitutes the vehicle outer side.

Abstract: A tire inflation system for a vehicle includes an axle spindle having a radially outer surface and a radially inner surface, a sleeve having a radially inner surface, a radially outer surface, an inboard end portion and an outboard end portion with a flared end. A cavity is located between the radially inner surface of the axle spindle and the radially outer surface of the sleeve. The cavity being in fluid communication on an inboard end portion with a first rotary seal and in communication on an outboard end portion with a second rotary seal, wherein the flared end of the sleeve closes the cavity on the outboard end portion.

Abstract: A tire assembly for a road vehicle is provided. The assembly includes a tire and first and second expandable chambers positioned within the tire. A series of actuators for selectively pumping air to the first and second chambers is provided, wherein the assembly includes a third chamber arranged between the first and second chambers. Each of the actuators is pneumatically connected to the first, second and third chambers by way of a radial air loop, wherein the radial air loop has a first chamber valve, a second chamber valve, an actuator valve, and a third chamber valve.

Abstract: An air maintenance tire and pump assembly includes a pair of inline valves are positioned on respective opposite sides of an in-tire air passageway inlet junction and a pair of outlet valves positioned at a downstream side of a respective inline valve. A bypass valve is further provided extending between the downstream valve sides of the inline valves, the bypass valve operative to open and bypass the flow of inlet air through the outlet valves to the tire cavity in the event that a tire cavity pressure is greater than a preset pressure level and close when a tire cavity pressure is less than the preset pressure level.

Abstract: A wheel assembly includes a rigid wheel with a plurality of circumferentially spaced radially outermost mounting elements and a flexible tire mounted on the wheel. The tire engages the mounting elements such that portions of the tire not engaging the mounting elements are separated radially from the wheel by a space, the portions of the tire not engaging the mounting elements being configured to flex inwardly toward the wheel when subject to ground engaging pressure.

Abstract: The present disclosure is directed to a pin joint component for a pin joint assembly that has improved wear surfaces, especially for those portions of the pin joint component surface that interface thrust rings, lips, and other adjacent wear components. The pin joint component comprises a first treated region that is formed by removing material from the wear surface of the pin joint component and replaced with clad material. Prior to this operation, a second treated region is formed by removing material from a section of the pin joint component distinct from the first treated region and performing a nitriding process thereon.

Abstract: A device for securing a wheel nut on a wheel hub of a motor vehicle, in particular a wheel nut of a center lock on a motor vehicle wheel, wherein the device is designed in the manner of a securing cover, and wherein the securing cover has a cylindrical flange region, which rests at least over a certain area on the end of the hollow axle stub, and a cylindrical extension, which extends from the flange region in the direction of the axle stub, is provided with an external thread and interacts with an internal thread arranged in the hollow axle stub of the wheel hub.

Abstract: A rim seal and method of manufacturing are provided. A rim seal segment is provided having two free ends and being constructed of a sealing material having a contoured cross-sectional profile. The rim seal segment has a length shorter than a circumference of the rim seal. The two free ends are inserted into a mold in spaced relationship with each other, and a connector is molded between the two free ends to connect the free ends and transform the rim seal segment into a continuous circumferential rim seal. A valve stem may be molded into the connector. A tire-facing surface defined by the combination of the rim portion and an outer surface of the rim seal has a profile conforming to an industry standard.

Abstract: An elongate air tube is positioned within a tire sidewall cavity in contacting internal engagement with the tire sidewall to form an assembly. The air tube includes an internal elongate air passageway and wing projections projecting in opposite directions at an axially inward body portion. The wing projections seat within cavity pockets to retain the air tube within the cavity. The air tube body operatively compresses responsive to impinging stress forces from the tire sidewall against the air tube body, whereby the air tube body reconfiguring from an expanded unstressed configuration into a compressed configuration to constrict the air passageway. The air tube body decompresses into the expanded configuration upon reduction of the impinging stress forces against the air tube body.

Abstract: A slip-proof cover for a vehicle tire for use in adverse weather conditions, including snow or ice, with a configuration that allows a simple mounting. The cover is highly reliable and positionally stable, and has a good mechanical performance with respect to abrasion. The cover includes a band made of textile fabric including cords made of strands that may be of varying thicknesses and the textile ligament may be taffeta.

Abstract: The invention relates generally to air maintenance tires and, more specifically, to a pump mechanism for supplying air into such tires.

Abstract: Axle mounting assemblies including an object, an axle, and a bushing assembly that operatively couples the object to the axle. The bushing assembly includes a bushing portion that extends at least partially through and engages a hub of the object, a fastener operatively retained relative to a bore defined by the bushing portion and positioned around the end region of the axle, and a force-receiving portion configured to selectively receive an installation force for operatively positioning the fastener over the end region of the axle.

Abstract: In a road construction machine, in particular a road milling machine (1), with a machine frame (2), and a chassis (4) with preferably several crawler track units (6), said chassis (4) carrying the machine frame (2), where the crawler track units (6) comprise a chain (12) which continuously revolves around at least one guide wheel (8) and at least one drive wheel (10), as well as several track rollers (14) which roll on the chain (12) and carry the machine frame (2), where the drive wheel (10) or preferably the guide wheel (8) is provided with an adjustment device (18), which enables the reciprocal spacing of the axles (20,22) of the drive wheel and guide wheel (8,10) to be adjusted for adaptation to a current lengthening of the chain (12), and where in addition to the adjustment device (18), a spring element (24) is provided which allows, using the adjusted spacing as a basis, a shortening of the spacing between the axles (20,22) of the drive wheel and guide wheel (8,10) against the spring force in the event