Boots – shoes – and leggings – Soles – Cushion
Patent
1983-03-21
1985-10-15
Schroeder, Werner H.
Boots, shoes, and leggings
Soles
Cushion
36 3B, 36 35R, 36 29, A43B 706, A43B 708
Patent
active
045465550
ABSTRACT:
A shoe having a shock absorber therein. In one embodiment, the shock absorber includes an inflatable member having a hole placing the interior of the inflatable member in fluid communication with the atmosphere. The shock absorber is restrained by a stabilizing structure against lateral instability. The stabilizing structure is in the form of a box of any one of several configurations. During foot strike, air is forced out of the inflatable member to cushion the heel while the stabilizing structure keeps it stable in the shoe. During toe-off of the shoe and swing-through to the foot strike, atmospheric air enters the inflatable member and inflates the same so that the member is ready to cushion the foot during the next foot strike. Several embodiments of the shock absorber are disclosed.
REFERENCES:
patent: 622673 (1899-04-01), Ferrata
patent: 1364226 (1921-01-01), Wherry
patent: 1403970 (1922-01-01), Lloy
patent: 2863230 (1958-12-01), Cortina
patent: 3180039 (1965-04-01), Burns, Jr.
patent: 3225463 (1965-12-01), Burnham
patent: 3253355 (1966-05-01), Menken
patent: 3716930 (1973-02-01), Brahm
patent: 4342158 (1982-08-01), McMahon et al.
patent: 4414760 (1983-11-01), Faiella
patent: 4417407 (1983-11-01), Fukuoka
Meyers Steven N.
Schroeder Werner H.
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