B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/129
B60C 27/16 (2006.01) B60C 27/06 (2006.01)
Patent
CA 2038594
CORD-TYPE TIRE TRACTION DEVICE ABSTRACT OF THE DISCLOSURE A tire traction device for vehicle tires includes a pair of rope-like side cord members for circumferential placement on the sidewalls of a tire. A series of metal or synthetic rope cross cords interconnect the side cords and extend across the tire tread. The cross cords are connected to the side cords at knotted connections. Enlargements at the ends of each cross cord outside the knotted connections prevent the cross cords from disconnecting from the side cords. Coil spring rollers supported on the cross cords provide additional traction. Tubular spacers on the cross cords inside the knotted connections center the rollers on the cross cords. A series of male connector knots along one end of each side cord selectively interengage a female loop connector knot at the opposite end to join the opposite ends together about tires of different circumferences. The male connector knots extend between at least one pair of cross cords to enable radical adjustment of the device to length by cutting the side cords to length from the one end and removing cross cords as necessary from adjacent the one end. In a light-weight, low cost version of the device, the cross cords are formed of conventional sash chain, eliminating the need for rollers, spacers and enlargements at the cross cord ends.
Manufacturer's Consultants Inc.
Oyen Wiggs Green & Mutala
Smith Franklin G.
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