Article of footwear

Details Article of footwear Article of footwear

1998-06-15

1999-04-27

Patterson, M. D.

Boots, shoes, and leggings

Soles

Spring heel

36 35R, 36 37, 36 38, A43B 1328, A43B 2132

Patent

active

058966790

ABSTRACT:
An article of footwear for being worn on a wearer's foot as the wearer steps on a support surface. The article of footwear comprises a sole member having an upper surface for supporting the sole of the wearer's foot, a lower surface, a heel end, and a toe end; and a heel mechanism attached to the heel end of the sole member; the heel mechanism including a first plate for attachment to the lower surface of the sole member adjacent the heel end thereof, the first plate having a first end and a second end; the heel mechanism including a second plate having a first end attached to the first end of the first plate and a second end normally urged away from the second end of the first plate; the heel mechanism including lever structure associated with the second plate for urging the second end of the second plate toward the second end of the first plate when the wearer of the article of footwear takes a step.

REFERENCES:
patent: D194346 (1963-01-01), Levine
patent: D353705 (1994-12-01), Hatfield
patent: D377240 (1997-01-01), La Magna
patent: 418922 (1890-01-01), Minahan
patent: 1625048 (1927-04-01), Nock
patent: 2383877 (1945-08-01), Miller
patent: 3886674 (1975-06-01), Pavia
patent: 4457084 (1984-07-01), Horibata et al.
patent: 4592153 (1986-06-01), Jacinto
patent: 4689898 (1987-09-01), Fahey
patent: 4756095 (1988-07-01), Lakic
patent: 5203095 (1993-04-01), Allen
patent: 5343637 (1994-09-01), Schindler
patent: 5437110 (1995-08-01), Goldston et al.

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