A - Human Necessities – 43 – B
Patent
A - Human Necessities
43
B
36/80
A43B 13/20 (2006.01) A43B 21/26 (2006.01)
Patent
CA 1200691
ABSTRACT A pair of thin-walled hollow partially liquid-filled cushions are enclosed in cavities formed in the sole of a shoe. The first cushion is positioned to coincide with the plantar pads on the lower sides of the wearer's metatarsals; the second to coincide with the tuberosity of the wearer's calcaneum. BACKGROUND OF THE INVENTION Field of the Invention This invention relates to shoes incorporating shock absorbing cushions, and more particularly to shoes in which such cushions are of the partially liquid-filled type described in my United States Patent No. 4,342,157, issued 3 August 1982. Prior Art Since my patented cushions have only recently become known to the public, the prior art offers few, if any ideas as to their use. Experimentation has demonstrated to me that their unique construction provides a shock absorbing effect quite unlike that produced by customary prior art resilient pads, including those which contain entrapped fluids. I believe, although I am not certain, -1-
442277
Fivel
Gowling Lafleur Henderson Llp
LandOfFree
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