A vehicle track system to increase the contact patch of the tires on a vehicle for use in sand, snow, or soft soil is disclosed. The vehicle track system is a quickly installed vulcanized rubber sections draped over the tire and secured with very strong over-center latches. The over center latches are used for closing the wrapped rubber track with some fine threaded adjustment and an over center clamp. Steel pins are used to link the individual track to tread together. The over center clamp is adjustable in length, allowing for fine tuning of the fit of the track on the tire. The vehicle track system works for almost any size tire and provides more width for dual wheels. The vehicle track system is easily installable and provides a large footprint that enables a vehicle to cross terrain.

An anti-skid device with mounting from the outside for wheels, particularly with alloy rims with central hole, includes: a central body intended to be placed at the hub of a wheel on which the anti-skid device is to be mounted; arms radially protruding from this central body and terminating in terminal elements intended to be placed on the tread of the tire; chain segments connected to the terminal elements forming a ring on the tread of the tire; a device designed to be fixed to the rim of the wheel; a connecting element between the device and the central body of the anti-skid device; and a tensioning mechanism placed in the central body which can be actuated to pull the connecting element and bring the central body closer to the wheel hub. The device is an expansion device fixed in the central hole of the rim of the wheel.

A device for self-extraction of a vehicle using a towing rope made in the form of a gripper, including at least three arms arranged circumferentially and having a shape that allows installation on the drive wheel of the vehicle. The device has a traverse with a threaded opening in the center where the threaded rod is installed, at the end of the rod facing the vehicle wheel in the operating position, a hub stop heel is installed. The gripper's arms have two L-shaped parts, the first parts with their side that is oriented along the axis of the device are pivotally installed on the traverse, and the second parts are rigidly connected to the first parts at a section of their sides oriented in the radial direction from the axis of the device.

A supplemental tire tread for installation on an outer surface of a solid tire, the outer surface of the solid tire defining opposed sidewalls and a tread surface that extend between the sidewalls. The supplemental tire tread has a tread body having an outer tread surface, an inner surface, and an attachment for attaching the tread body around the tread surface of the tire. The inner surface of the tread body has tire supports with tire receiving receptacles that open away from the inner surface of the tread body and receive the solid tires when installed. The tread body has anchor receptacles that engage anchors that pierce the solid tires to support the tread body against relative rotation of the solid tire and the tread body.

A vehicle track system to increase the contact patch of the tires on a vehicle for use in sand, snow, or soft soil is disclosed. The vehicle track system is a quickly installed vulcanized rubber sections draped over the tire and secured with very strong over-center latches. The over center latches are used for closing the wrapped rubber track with some fine threaded adjustment and an over center clamp. Steel pins are used to link the individual track to tread together. The over center clamp is adjustable in length, allowing for fine tuning of the fit of the track on the tire. The vehicle track system works for almost any size tire and provides more width for dual wheels. The vehicle track system is easily installable and provides a large footprint that enables a vehicle to cross terrain.

A supplemental tire tread for installation on an outer surface of a solid tire, the outer surface of the solid tire defining opposed sidewalls and a tread surface that extend between the sidewalls. The supplemental tire tread has a tread body having an outer tread surface, an inner surface, and an attachment for attaching the tread body around the tread surface of the tire. The inner surface of the tread body has tire supports with tire receiving receptacles that open away from the inner surface of the tread body and receive the solid tires when installed. The tread body has anchor receptacles that engage anchors that pierce the solid tires to support the tread body against relative rotation of the solid tire and the tread body.

A traction increasing wheel accessory system for vehicles includes a plurality of anti-skids, an outer chain, an inner chain, an outer fastener, and an inner fastener. Each anti-skid includes a cross body, an outer shoulder body, and an inner shoulder body. The inner shoulder body is terminally connected to the cross body. The outer shoulder body is terminally connected to the cross body, opposite of the inner shoulder body. The outer chain is externally engaged with the outer shoulder body of each of the plurality of the anti-skids. The inner chain is externally engaged with the inner shoulder body of each of the plurality of the anti-skids. The outer fastener and the inner fastener are terminally attached to each end of the inner chain and the outer chain, thus allowing the accessory system to wrap around a wheel assembly.

A snow chain device for providing good traction to a vehicle tire on a snowy surface is described. The device is capable of being removably mounted on the tire with reduced physical effort and in multiple configurations. The device can be used in modular fashion and a range of patterns making it suitable for use on different tires as well as under varying driving conditions. Also it is possible to cover the entire surface of the tire as well as a partial surface. The device has several link members and several base members. The base members can be affixed to the external tire surface and the link members can be removably secured to the base members.

The present invention relates to a novel snow chain device for providing good traction to a vehicle tire on a snowy surface. The device is capable of being removably mounted on the tire with reduced physical effort and in multiple configurations. The device can be used in modular fashion and a range of patterns and configurations making it suitable for use on different tires as well as under varying driving conditions. Also it is possible to cover the entire surface of the tire as well as a partial surface. The device comprises of a plurality of link members and a plurality of base members. The base members can be affixed to the external tire surface and the link members can be removably secured to the base members.

Annular tire overlay (11) for drawing onto the rolling surface of tires (40), which has a tread (17) on its outside and a gripping surface (15) on its inside, which tire overlay (11) is so designed that contact between the rolling surface of the tire (40) and the surfacing of the road is prevented by the tire overlay (11) when the tire overlay has been drawn onto a tire. The said tire overlay (11) is provided with a flange (21) which stops the tire overlay (11) from shifting in the axial direction of the wheel. Advantageously, the tire overlay is additionally stiffened by a flange (21) of planar form to keep the contact area on the surface below small.