B - Operations – Transporting – 62 – J
Patent
B - Operations, Transporting
62
J
155/6
B62J 1/00 (2006.01) B62J 1/18 (2006.01) B62J 1/26 (2006.01)
Patent
CA 1146460
ABSTRACT OF THE DISCLOSURE A pneumatic bicycle seat cushion, which may be separate from or part of a bicycle seat, includes a pair of rubber or elastomeric bags defining a pair of expansion chambers extending longitudinally of the cushion in parallel relationship to each other. The bags are covered by an inexpansible, e.g., polyvinyl chloride cover. A stiffener extends lon- gitudinally between the bags, with a valve for introducing air into a port extending between the expansion chambers. When pressure is applied to the top surface of the cushion, the air moves horizontally or down- wardly rather than against the body of the rider.
374427
Dunsmuir George H.
Kirkpatrick Ian
LandOfFree
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