Ladder safety attachment

Details Ladder safety attachment Ladder safety attachment

1996-07-24

1997-06-17

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Ladder

With hook or grab

182116, E06C 748

Patent

active

056389167

ABSTRACT:
A ladder safety attachment designed to secure a ladder at its top to a tree or pole to prevent rocking or sliding of the ladder out of the position to which the ladder was initially set. The safety attachment includes a platform with two sets of spikes. The spikes in the first set are fixed in position with respect to the platform and are designed to engage a tree or pole as soon as the combined safety attachment and ladder are placed against the pole or tree, holding the ladder in its initial position while an operator ascends the ladder to engage the second set of spikes. The spikes in the second set are adjustable and are designed to accommodate various diameter trees or poles. The safety attachment further includes a adjustable set of ladder attachment brackets which can be adjusted to accommodate ladders of various sizes.

REFERENCES:
patent: 3028929 (1962-04-01), Chubbs
patent: 3991853 (1976-11-01), Bridges
patent: 4469195 (1984-09-01), Sartin
patent: 4730700 (1988-03-01), Miller
patent: 4742888 (1988-05-01), Amacker
patent: 5267632 (1993-12-01), Mintz
patent: 5460240 (1995-10-01), Jones

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