Shoe with pneumatic inflating device

Boots – shoes – and leggings – Soles – Cushion

Patent

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Details

36 29, A43B 1320

Patent

active

052223124

ABSTRACT:
A pneumatic inflating device disposed within the sole of a shoe includes a plurality of pairs of oppositely disposed hollow chambers within the sole of the shoe, a plurality of inflatable air cells, each air cell disposed within one of said hollow chambers, a pump assembly attached to the shoe, a plurality of tubes connecting the air cells to the pump assembly, means for restricting air flow out of the air cells, and means for releasing air from the pneumatic inflating device. The means for restricting air flow out of the air cells includes a nipple disposed at the end of each branch of the tubes. The means for releasing air from the pneumatic inflating device includes a release valve. The pneumatic inflating device can further include means for locking the pump assembly in a closed position.

REFERENCES:
patent: 1313924 (1919-08-01), Stewart
patent: 2558973 (1951-07-01), Meaker
patent: 4133118 (1979-01-01), Khalsa et al.
patent: 4137653 (1979-02-01), Famolare, Jr.
patent: 4420893 (1983-12-01), Doak
patent: 4662087 (1987-05-01), Beuch
patent: 4674200 (1987-06-01), Sing
patent: 4763426 (1988-08-01), Polus et al.
patent: 4912861 (1990-04-01), Huang
patent: 4918838 (1990-04-01), Chang
patent: 4995173 (1991-02-01), Spier
patent: 4999932 (1991-03-01), Grim
patent: 5074765 (1991-12-01), Pekar
patent: 5113599 (1992-05-01), Cohen et al.
PCT WO89/10074 Nov. 1989 (Sadler).

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