Shoe with retractable spikes

Details Shoe with retractable spikes Shoe with retractable spikes

1993-09-08

1994-03-01

Sewell, Paul T.

Boots, shoes, and leggings

Boots and shoes

Occupational or athletic shoe

36 61, 36 67D, A43B 500, A43C 1500

Patent

active

052896471

ABSTRACT:
A golf shoe has a sole and a heel attached to an upper. A spike is housed within a housing inserted into the sole or the heel. The housing includes a hollow cylinder threaded into the sole or heel. The cylinder houses a helical spring that biases a spike to the extended position. When the shoe is used on a hard surface, the surface forces the spike upward against the spring to a retracted position.

REFERENCES:
patent: 1361078 (1920-12-01), Lynn
patent: 2421072 (1947-05-01), Kramer
patent: 2758396 (1956-08-01), Edwardes
patent: 3267593 (1966-08-01), Turner
patent: 3566489 (1971-03-01), Morley
patent: 3716931 (1973-02-01), Loudermilk
patent: 3793751 (1974-02-01), Gordos
patent: 4159582 (1979-07-01), Ostrowski
patent: 4205466 (1980-06-01), Collins
patent: 4226032 (1980-10-01), Herro
patent: 4271608 (1981-06-01), Tomuro
patent: 4375729 (1983-03-01), Buchanen
patent: 4715133 (1987-12-01), Hartjes et al.
patent: 4821434 (1989-04-01), Chein
patent: 4825562 (1989-05-01), Chuang
patent: 4873774 (1989-10-01), Lefever

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