Fire escape – ladder – or scaffold – Safety device for ground-supported ladder – Terminal foot or shoe
Patent
1985-10-24
1986-07-15
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Safety device for ground-supported ladder
Terminal foot or shoe
182214, 248210, E06C 536, E06C 748
Patent
active
046000798
ABSTRACT:
This invention pertains to a protector ladder support used in pairs and removably mountable on stiles of a ladder. These protectors have non-slip resilient face portions adapted to engage the means against which the ladder is leaned. These supports have formed slots sized and shaped to receive and retain the rungs of a ladder. These supports have retaining members so that the protectors may be mounted and retained in a selected position. Conventionally, each protector is of sheet metal and the slots are usually at about thirty degrees and have a selected retaining means adapted to engage a rung of a ladder to retain the protector on the ladder stile. In one embodiment a pin or rod is disposed to engage a rung. In yet another embodiment a pivoted hook is disposed to engage a rung of a ladder and in yet a third embodiment a pivoted tab having a sloped engaging edge is adapted to be swung into a retaining condition and position.
REFERENCES:
patent: 1964067 (1934-06-01), Leach
patent: 2815160 (1957-12-01), Gilmour
patent: 2904128 (1959-09-01), Boham
patent: 2925877 (1960-02-01), Wright
patent: 3037579 (1962-06-01), Barrow
patent: 3062319 (1962-11-01), Wright
patent: 3115212 (1963-12-01), Keatley
patent: 3662856 (1972-05-01), D'Amico
patent: 3993163 (1976-11-01), Barrett
patent: 4469193 (1984-09-01), Rumsey
patent: 4469194 (1984-09-01), McBride
Machado Reinaldo P.
Roberts Ralph R.
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