Invention Grant
US4773460A Traction enhancing device 失效
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Traction enhancing device
Abstract:
A traction enhancing device for use with a tire on a vehicle to increase traction of the tire during inclement weather is provided. A first traction enhancing member has a predetermined length for mounting around a tire of a vehicle in a position offset from a central axis of the tire. A second traction enhancing member has a predetermined length for mounting around a tire of a vehicle in a position offset from a central axis of the tire and being spaced apart and substantially parallel to the first traction enhancing member. A first connecting member has a first end affixed to said first traction enhancing member and a second end affixed to said second traction enhancing member for securing said first and second traction enhancing members together. The first connecting member is substantially orthogonally positioned relative to the first and second traction enhancing members and is disposed on a first side of the tire. A second connecting member has a first end affixed to said first traction enhancing member and a second end affixed to said second traction enhancing member for securing said first and second traction enhancing members together. The second connecting member is substantially orthogonally positioned relative to the first and second traction enhancing members and is disposed on a second side of the tire. The first and second traction enhancing members are mounted on an exterior portion extending across the tread of the tire for engagement with a road surface to increase the traction of the tire during inclement weather.
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