Shock-absorbing shoe construction

Details Shock-absorbing shoe construction Shock-absorbing shoe construction

1985-11-15

1986-09-09

Schroeder, Werner H.

Boots, shoes, and leggings

Boots and shoes

Ventilated

36 29, 36 28, A43B 706, A43B 1318, A43B 1320

Patent

active

046100997

ABSTRACT:
The invention contemplates a shock-absorbing shoe sole which provides adjustably inflated pneumatic support at the rear half of the sole, and a graduated reduction of shock-absorbing from the inflated support region, to a forefoot-support region of minimum compliant yieldability. The construction involves two separate parts, one of which is molded with surface configurations to confront the other part, and the graduated-support action derives from bonding these two parts to each other, with an inflatable bladder substantially conforming to and deriving peripherally confining restraint from at least one such surface configuration. In one embodiment, a removable in-sole panel provides access for repair and/or replacement of the inflatable bladder.

REFERENCES:
patent: 2605560 (1952-08-01), Govabault
patent: 2817163 (1957-12-01), Clark
patent: 3120712 (1964-02-01), Menken
patent: 4016662 (1977-04-01), Thompson
patent: 4245406 (1981-01-01), Landay
patent: 4316332 (1982-02-01), Giese et al.
patent: 4391048 (1983-07-01), Lutz
patent: 4446634 (1984-05-01), Johnson et al.
patent: 4449307 (1984-05-01), Stubblefield
patent: 4472890 (1984-09-01), Gilbert

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