Shoe construction

Details Shoe construction Shoe construction

1976-08-03

1977-04-12

Guest, Alfred R.

Boots, shoes, and leggings

Soles

Cushion

A43B 1320

Patent

active

040166627

ABSTRACT:
This disclosure pertains to a shoe construction in which a sack is disposed within a cavity formed between the inner and outer sole of a shoe. An air valve may extend through the side walls of the cavity permitting the sack to be filled with a fluid. Selective portions of the insole are fixedly secured with the abutting surface of the sack so as to provide stiffer foot supporting areas thereat than adjacent unsecured areas.

REFERENCES:
patent: 580501 (1897-04-01), Mobberley
patent: 1010187 (1911-11-01), Scott
patent: 1506975 (1924-09-01), Cooney
patent: 2037230 (1936-04-01), Hack
patent: 2605560 (1952-08-01), Gouabault
patent: 2981010 (1961-04-01), Aaskov
patent: 3120712 (1964-02-01), Menkin

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