Heel/metatarsal structure having tapered stabilizing bulges

Details Heel/metatarsal structure having tapered stabilizing bulges Heel/metatarsal structure having tapered stabilizing bulges

1996-01-02

1997-10-21

Loney, Donald

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428 76, 428192, 428212, 428172, 36 29, 36 35B, 36 37, B32B 100, A43B 1320

Patent

active

056794398

ABSTRACT:
A generally U-shaped bulge having a bight portion and elongated leg portions and defining a correspondingly-shaped cavity is molded into the heel portion and/or the metatarsal portion of the outer bottom member of a shoe, the cavities tapering in depth and width from the bight portion to the distal ends of the leg portions. The bulge is disposed and oriented so as to provide a cushioning and lifting effect, and the leg portions are spaced apart a distance substantially greater than their width and are disposed closer to the peripheral edge of the member than to the longitudinal axis thereof for providing improved lateral stability. The bulges may communicate with associated cavities by narrow passageways or may function independently of other bulge structures formed in the member.

REFERENCES:
patent: 4577417 (1986-03-01), Cole
patent: 4869939 (1989-09-01), Santo
patent: 5395674 (1995-03-01), Schmidt et al.
patent: 5545463 (1996-08-01), Schmidt et al.

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