Sole structure particularly for climbing-boots

Details Sole structure particularly for climbing-boots Sole structure particularly for climbing-boots

1976-07-12

1977-12-06

Guest, Alfred R.

Boots, shoes, and leggings

Antislipping devices

String type

36 32R, A43B 2328

Patent

active

040609170

ABSTRACT:
A sole structure particularly for rock climbing footwear, comprising a toe or front part and a heel or rear part. The toe and heel parts are both provided along the bottom perimeter thereof, substantially in the shape of a horseshoe, with a plurality of first lugs extending substantially perpendicular with respect to the perimeter or horseshoe path. Internally to the perimeter or horseshoe path, a plurality of second lugs extend in a direction substantially perpendicular to the sole longitudinal direction. The first and second lugs project from the sole with opposed inclinations with respect to a perpendicular direction to the sole.

REFERENCES:
patent: 2433303 (1947-12-01), Spini
patent: 2981011 (1961-04-01), Lombardo
patent: 3006085 (1961-10-01), Bingham
patent: 3507059 (1970-04-01), Vietas
patent: 3717943 (1973-02-01), Orndorff

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