Running shoe with replaceable tread elements

Details Running shoe with replaceable tread elements Running shoe with replaceable tread elements

1979-07-30

1981-04-21

Lawson, Patrick D.

Boots, shoes, and leggings

Antislipping devices

Calks

36129, A47C 1500, A43B 500

Patent

active

042624347

ABSTRACT:
A sole for running shoes which utilizes detachable tread elements. The main sole contains perforations consistent with the pattern and number of tread elements. Integral with the elements are shafts which fit into the perforations. This arrangement allows the user to replace worn treads and this greatly extends the usable life of the shoe.

REFERENCES:
patent: 2607134 (1952-08-01), Langer
patent: 2745197 (1956-05-01), Holt
patent: 3566489 (1971-03-01), Morley
patent: 3775874 (1973-12-01), Bonneville
patent: 3928881 (1975-12-01), Bente

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