260results about "Wheel attachments" patented technology

A circular folding wheel has a center wheel section encompassing the center of a circle and adapted to be mounted to an axle at the center, with a side substantially corresponding to a chord of the circle. A wheel segment is pivotally attached to the center wheel section about a pivot axis extending along the side of the center wheel section. The wheel segment is movable from a rolling orientation, where the outer edge of the wheel segment is aligned with an outer edge of the center wheel section such that the folding wheel takes a rolling circular shape, to a folded orientation where the wheel segment extends laterally away from the pivot axis. Two, three, or more wheel segments can be pivotally attached to corresponding sides of the center wheel section.

In a track with a rotatable bushing which is brought into engagement with a sprocket of a track-type vehicle, it is intended that strength is enhanced rationally by link functionality sharing and by combination of such assigned functional tasks for achieving further improvements in rotatable bushing function. To this end, a first bolt insertion hole provided in a track shoe mount surface of an external link and a second bolt insertion hole provided in a track shoe mount surface of an internal link are arranged on the same straight line, and a straight line connecting the first bolt insertion hole and the second bolt insertion hole is situated at a position more interior than a contact plane of the external link and internal link.

A traction band substantially made from elastomeric material is disclosed. The traction band comprises a main band body divided into a plurality of sections connected together along laterally extending pitch lines. The band body has an interior wheel-engaging surface, adapted to cooperate with the various wheels of a track system, and an exterior ground-engaging surface adapted to engage the ground. The wheel-engaging surface comprises one or more rows of longitudinally spaced-apart drive lugs and / or guide lugs typically disposed on each of the band sections. The ground-engaging surface comprises traction lugs extending longitudinally across more than one band section, these traction lugs comprising laterally extending bending regions where the traction lugs are thinner. These bending regions are substantially aligned with regions on the interior surface which are devoid of drive lugs and guide lugs.

An endless belt for use with a heavy duty track vehicle comprises a body made of polymeric material wherein a series of longitudinally spaced guide members are integrally formed to the inner surface thereof while two rows of longitudinally spaced tread members are integrally formed to the outer surface thereof. Each tread member in each row has an outer edge area adjacent the outer edge of the body and an inner edge area terminating substantially at mid-section of the body. Each tread member of the first row is longitudinally offset relative to an adjacent tread member of the second row. Each inner edge area of the tread members is in vertical alignment with a corresponding one of the guide members of the inner surface of the body. This particular geometry of tread members and drive members is such as to reduce slitting damages to the track when driven.

In a track with a rotatable bushing which is brought into engagement with a sprocket of a track-type vehicle, it is intended that strength is enhanced rationally by link functionality sharing and by combination of such assigned functional tasks for achieving further improvements in rotatable bushing function. To this end, a first bolt insertion hole provided in a track shoe mount surface of an external link and a second bolt insertion hole provided in a track shoe mount surface of an internal link are arranged on the same straight line, and a straight line connecting the first bolt insertion hole and the second bolt insertion hole is situated at a position more interior than a contact plane of the external link and internal link.

The invention discloses a concave elastic screen wheel which comprises a hub and a supporting ring arranged on the hub. An annular metal wire mesh is arranged at the outer periphery of the supporting ring, an elastic element for supporting the metal wire mesh is positioned between the supporting ring and the metal wire mesh, an antiskid pawl is positioned at the outer periphery of the metal wire mesh, the metal wire mesh and the antiskid pawl are fixedly connected to form an arch concave elastic screen serving as a tire face, and the tire face is an arch concave face with the concave middle and the two convex sides. The concave elastic screen wheel can carry people to walk in soft, dusty, dry and low-gravity environments, can meet the requirements of high roll stability, high adhesion force and good shock absorption performance, can effectively prevent settlement and can effectively restrain raised dust.

Rubber crawler equipment (1) capable of reducing the weight and cost of a rubber crawler, and providing a lightweight and fast drive for tires and crawlers, wherein core members (5) formed of plastic material instead of metal are embedded in a rubber crawler (2), and the rubber crawler (2) is suspendedly installed on tires (3, 4), whereby the rubber crawler (2) can be easily attached and detached, and the extension thereof can be adjusted by regulating the internal pressure of a hollow tire (3).

An elastic track shoe is provided wherein loosening of bolts is prevented by use of a rigid core bar and the thickness of an elastic body subjected to a load can be increased irrespective of grousers. To this end, the core bar is integrally formed by casting, forging or precutting, a ground engaging side of the core bar is covered with the elastic body, and a portion of the core bar defined by projection of a ground engaging face of the elastic body is divided into two parts.

A device for preventing slipping of a vehicle is disclosed, which improves a vehicle slipping prevention device in which a plurality of spikes connected with a connection member are inserted into a gap between double wheels disposed at a rear side of a large size vehicle at regular intervals for preventing slipping. In the present invention, a structure contacting with a tire surface along with a spike is newly improved, and a structure of an engaging member used for maintaining the tensional force of a plurality of spikes connected by means of a connection member is newly improved. It is possible to achieve a fast and simple engaging and disengaging work and to keep a substantial tensional force so that a vehicle slipping prevention device is not disengaged even during a long time drive of a vehicle.

A guard for the axle seal of a wheeled tractor being an annular steel structure that bridges the plane of the seal between a spindle and final drive including a pair of axially spaced flanges having circular outer peripheries, at least one of the outer peripheries of the flanges being sized to produce a narrow gap seal with a circular interior surface of a wheel rim, a hub extending axially between the flanges and spaced radially inward of said flange outer peripheries, the flanges, hub and interior wheel surface defining an annular space adapted to trap debris.

A unitary flexible track for converting a wheeled vehicle into a tracked vehicle, the track being provided for mounting in longitudinal direction around at least two successive vehicle tire-wheel assemblies in movement direction of the vehicle, the track having an inner circumferential track surface provided to form a running surface for the wheels and an outer circumferential surface provided to form a running surface for the track with respect to the medium over which the track is to be displaced, each tire-wheel assembly having a circumferential running surface provided to contact the inner circumferential track surface of the track, each tire-wheel assembly comprising a loaded wheel part and a non-loaded wheel part. The track comprises a plurality of spaced apart guiding wings disposed along opposite longitudinal sides of the track and protruding inwardly from the inner surface of the track so as to form on the track an inner circumferential channel for receiving the tire-wheel assemblies, the guiding wings engaging opposite lateral sides of the loaded part of the tire-wheel assembly and to exert a clamping force thereto in cross direction of the track and the tire-wheel assembly to transfer a driving force between the tire-wheel assembly and the track, opposite guiding wings being positioned at a distance from each other which is smaller than the width of the tire-wheel assembly when loaded and which is larger than the width of the tire-wheel assembly when not loaded.

The invention discloses a wheeled auxiliary obstacle crossing device which is composed of a housing, a blade wheel, a driving motor, support springs, a support rod assembly and a sleeve; the blade wheel is located in the center of the cylindrical shell and is coaxially connected with the driving motor through a power shaft. The blade of the blade wheel, the support springs, the support rod assembly and the sleeve are arranged in a set, and the sleeve is fixed on the inner side of the housing. In the support rod assembly, one end of the support rod is fixedly connected with an arc plate on theouter side of the housing through the sleeve, the other end of the support rod vertically passes through the support plate and is pressed on the blade wheel through a roller at the end, and the support springs are arranged in pairs between the support plate and the housing; As the blade wheel rotate, the support rod moves along the arc surface of the blade through the roll wheel at the end. The invention enables the wheeled vehicle to run on the flat road in a simple and convenient manner, and can smoothly surmount obstacles under complex ground conditions, so that the wheeled vehicle has goodroad surface adaptability and passing capacity.