Footwear with a sole provided with a damper device

Details Footwear with a sole provided with a damper device Footwear with a sole provided with a damper device

1996-06-19

1998-08-18

Kavanaugh, Ted

Boots, shoes, and leggings

Soles

Cushion

36 35B, A43B 1320, A43B 2128

Patent

active

057943613

ABSTRACT:
A footwear with its sole provided with a damper device, comprising a first reservoir with deformable but inextensible walls and containing a substantially incompressible fluid, in a position interposed between a plantar and a tread of said sole; a second reservoir, in contact with the first reservoir, with deformable but inextensible walls and containing a substantially compressible fluid, and a third reservoir with deformable but inextensible walls, which communicates with the first reservoir via a first passage of adjustable cross-section.

REFERENCES:
patent: 1145533 (1915-07-01), Wetmore
patent: 2488382 (1949-11-01), Davis
patent: 4446634 (1984-05-01), Johnson et al.
patent: 4670995 (1987-06-01), Huang
patent: 4864737 (1989-09-01), Marrello
patent: 5179792 (1993-01-01), Brantingham
patent: 5230249 (1993-07-01), Sasaki et al.
patent: 5588227 (1996-12-01), Goldston

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