Safety device for climbing ladders

Details Safety device for climbing ladders Safety device for climbing ladders

1992-03-05

1993-08-24

Chotkowski, Karen J.

Fire escape, ladder, or scaffold

Torso harness

Ladder-associated

182193, 182 5, E06C 700, A62B 100

Patent

active

052380840

ABSTRACT:
A safety device for climbing ladders which has a body member with a rail receiving portion which is formed of cast metal such as aluminum and has a rail receiving opening which is at least partially lined with neoprene inserts so as to allow the safety device to easily slide on the rail. A pivoted clamping portion is mounted in the safety device and is biased by a spring into engagement with the rail such that the clamp locks to the rail. A safety chain is connected to the clamp device and to a belt attached to a user such that in the event of a misstep or fall, the clamping device will lock the clamp to the rail and thus arrest the climber's fall. Two or more neoprene sleeves are mounted in the safety device which engage the rail so as to allow the safety device to move smoothly over the rail when in the unclamped position.

REFERENCES:
patent: 2616609 (1952-11-01), Herod
patent: 3348632 (1967-10-01), Swager
patent: 3523591 (1970-08-01), Fountain
patent: 4059871 (1977-11-01), Swager
patent: 4085818 (1978-04-01), Swager
patent: 4193475 (1980-03-01), Sweet et al.
patent: 4269284 (1981-05-01), Swager
patent: 4385679 (1983-05-01), Mulcahy
patent: 4520895 (1985-06-01), Armstrong
patent: 4981196 (1991-01-01), Palm

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