B - Operations – Transporting – 60 – B
Patent
B - Operations, Transporting
60
B
B60B 15/24 (2006.01) B60C 5/22 (2006.01) B60C 11/16 (2006.01)
Patent
CA 2591561
A traction device for vehicle wheels comprises an expandable and contractible member (10) mounted next to a wheel (70) or in between dual wheels (12, 14). In another embodiment the device comprises an air chamber (106, 134) formed in the tread of the tire (120).
O'brien John M.
Q. Tires Inc.
Smart & Biggar
LandOfFree
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