Climbing aid having movable axle

Details Climbing aid having movable axle Climbing aid having movable axle

1997-09-05

1999-01-19

Ramirez, Ramon O.

Supports

Brackets

Specially mounted or attached

248925, A47F 508

Patent

active

058606297

ABSTRACT:
A climbing aid apparatus that includes cams that are mounted for rotation about axles. At least one of the axles is capable of relative movement. In a preferred embodiment, the position of at least one axle moves as the cams expand. An embodiment including three axles is also disclosed.

REFERENCES:
patent: 4184657 (1980-01-01), Jardine
patent: 4575032 (1986-03-01), Taylor
patent: 4643377 (1987-02-01), Christianson
patent: 4645149 (1987-02-01), Lowe
patent: 4781346 (1988-11-01), Banner

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