Lanyard with pole gripping means

Details Lanyard with pole gripping means Lanyard with pole gripping means

1992-04-13

1993-06-29

Chotkowski, Karen J.

Fire escape, ladder, or scaffold

Torso harness

With pole encircling or grasping means

182133, A62B 3500

Patent

active

052229912

ABSTRACT:
A fall arrest lanyard for use by a worker at an elevated position on a pole, e.g., a telephone pole. The lanyard comprises a flexible strap and a pair of gripping units. The strap is arranged to be releasably connected to the worker to form a loop encircling the pole. Each of the gripping units comprises an elongated, rigid or semi-rigid tubular member having a handgrip at one end, and a first pole penetrating head adjacent the handgrip. In one embodiment, a second pole penetrating head is located at the other end of the tubular member. The strap extends through both tubular members. Each of the penetrating heads has a plurality of larger upper teeth and a plurality of small lower teeth. Each tooth has a horizontally disposed cutting edge. The gripping units are arranged to be manipulated by the worker grasping the handgrips to cause the cutting edges of the teeth to penetrate into the material of the pole.

REFERENCES:
patent: 857430 (1907-06-01), Youngquist
patent: 869382 (1907-10-01), Newton
patent: 1120496 (1914-12-01), Holsclaw
patent: 1802288 (1931-04-01), Strauss
patent: 2853220 (1958-09-01), Thomas
patent: 3407898 (1968-10-01), Johnson
patent: 3840091 (1974-10-01), Conlon
patent: 4407391 (1983-10-01), Greenway et al.
patent: 4579196 (1986-04-01), Allen et al.
patent: 4595078 (1986-06-01), Greenway
patent: 4712646 (1987-12-01), Page

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