One-piece sports sole-heel unit with increased stability

Details One-piece sports sole-heel unit with increased stability One-piece sports sole-heel unit with increased stability

1995-10-27

1998-06-23

Dayoan, B.

Boots, shoes, and leggings

Soles

Cushion

36 35R, 36 59C, 36 32R, A43B 1318, A43B 2126, A43B 2328, A43B 1304

Patent

active

057688028

ABSTRACT:
A one-piece sports sole-heel unit of increased stability comprising a unit body of natural or synthetic rubber, the sole-heel unit being formed in one piece and including in at least one region of that surface by which it rests on the ground at least one downwardly projecting element connected by yieldable elastic portions within the unit body, into which it can at least partly retract when resting and applying load to the sole-heel unit. Several projecting elements can be provided, positioned both on the sole and on the heel of the sole-heel unit, these projecting elements being generally connected to the unit body by small-thickness vertical bellows portions.

REFERENCES:
patent: 1313118 (1919-08-01), Santacroce
patent: 1458446 (1923-06-01), Shaeffer
patent: 1653059 (1927-12-01), Nelson
patent: 1870065 (1932-08-01), Wusser
patent: 3237322 (1966-03-01), Santore
patent: 4521979 (1985-06-01), Blaser
patent: 5509218 (1996-04-01), Arcan et al.

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