Article of footwear

Details Article of footwear Article of footwear

1984-11-21

1987-07-21

Schroeder, Werner H.

Boots, shoes, and leggings

Heels

Cushion

36 34R, 36 35R, 36 37, A43B 2128, A43B 2126, A43B 2122

Patent

active

046808760

ABSTRACT:
An article of footwear has a heel upper (1)(1b)(1c)(1d) components and lower (2) components of which are spring loaded apart to limit stop positions either by a volume of elastomeric material (5)(7)(70b) or by a gas spring. In accordance with the invention means (48)(48a)(48b) (48c)(48d) is provided which is adjustable to vary the rate of the spring without alteration of the limit stop position to which the components (1)(1b)(1c)(1d) and (2) of the heel are urged by the spring (5)(70)(70b).

REFERENCES:
patent: 1942312 (1934-01-01), Tutoky
patent: 2387334 (1945-10-01), Lemke
patent: 2825154 (1958-03-01), Windle
patent: 2836907 (1958-06-01), Windle
patent: 3429545 (1969-02-01), Michel
patent: 4129951 (1978-12-01), Petrosky
patent: 4342158 (1982-08-01), McMahon et al.
patent: 4455766 (1984-06-01), Rubens

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