Shock absorbing shoe sole

Details Shock absorbing shoe sole Shock absorbing shoe sole

1984-03-01

1985-06-11

Schroeder, Werner H.

Boots, shoes, and leggings

Soles

Cushion

36 28, 36 43, 36 59C, A43B 1320

Patent

active

045219796

ABSTRACT:
The shoe sole can either be external or constitute an inner sole to be received within the shoe. It includes a supporting pad having a plurality of circular recesses formed in its underside. A like plurality of identical individual enclosures of resilient material cover the recesses. Each enclosure comprises a series of annular walls successively axially spaced from the recess associated with the enclosure and having successively decreasing diameters, the walls being in partially nested relationship and connected together by a thinner portion of material. The arrangement is such that the enclosure or air chamber will collapse in a telescoping manner wholly within the recess of the pad when walking pressure is applied to the enclosure. Air can escape from each of the enclosures through specially designed openings. The repetitive compression and expansion of the enclosures with each step results in a shock absorbing and cushioning action by the sole.

REFERENCES:
patent: 871864 (1907-11-01), Feazell et al.
patent: 1141227 (1915-06-01), Bailey
patent: 4267648 (1981-05-01), Weisz
patent: 4322893 (1982-04-01), Halvorsen

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