Hydraulic fit system for footwear

Details Hydraulic fit system for footwear Hydraulic fit system for footwear

1984-02-21

1987-05-05

Kee Chi, James

Boots, shoes, and leggings

Boots and shoes

Foot-supporting or foot-conforming feature

36 54, 36 71, 36 93, 36119, A43B 714, A43B 504, A43B 1900, A43B 2326

Patent

active

046620877

ABSTRACT:
A hydraulic regulated, space adjustment device for use within the interior of a footwear to adjust to specific space requirements of a foot as they vary during usage comprising a plurality of compartment which permits shifting of hydraulic fluid in response to forces applied to the footwear. The said device further comprises channels, flow regulating valves, and hydraulic fluid insertion means.

REFERENCES:
patent: 3758964 (1973-09-01), Nishimura
patent: 4458430 (1984-07-01), Peterson
patent: 4502470 (1985-03-01), Kiser et al.

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