Shoe having impact absorption means

Details Shoe having impact absorption means Shoe having impact absorption means

1991-08-02

1994-05-17

Sewell, Paul T.

Boots, shoes, and leggings

Boots and shoes

Having shoe-reinforcing plate

36 35R, 36 44, A43B 2300

Patent

active

053116771

ABSTRACT:
A shoe having an insole with a forepart of leather having the characteristics of upper leather and a back part of fiberboard. A sheet layer of foam material, such as microcellular polyurethane, is cemented to the lower surface of the forepart and a foam cushion, preferably molded of microcellular polyurethane, overlies the back part. The back part of the insole has an opening through it and the foam cushion has a central portion that projects downwardly through the opening thereby providing a thickened foam at the central portion to maximize cushioning at the area of the heel strike. The invention is incorporated in shoes of both the welt-type construction and the cement-type construction.

REFERENCES:
patent: 1718906 (1929-06-01), Hurley
patent: 1766311 (1930-06-01), Shaft
patent: 1919862 (1933-07-01), Rohn et al.
patent: 1976889 (1934-10-01), Everston
patent: 2045844 (1936-06-01), Everston
patent: 2222391 (1940-11-01), Andreasen
patent: 2502774 (1950-04-01), Alianiello
patent: 2772488 (1956-12-01), Meltzer
patent: 2928193 (1960-03-01), Kristan
patent: 3233348 (1966-02-01), Gilkerson
patent: 4932141 (1990-06-01), Hones
patent: 5084987 (1992-02-01), Flemming
patent: 5105564 (1992-04-01), Motoda
patent: 5195255 (1993-03-01), Coughlin

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