Remote controlled scaffold hoist

Details Remote controlled scaffold hoist Remote controlled scaffold hoist

1991-09-17

1994-05-31

Stodola, Daniel P.

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

212160, 212179, 212247, B66C 1318, B66C 2302

Patent

active

053162650

ABSTRACT:
A scaffold mounted hoist (20) is provided which mounts with an adapter (30) on a pin (91) extended upward from the scaffold. An electric motor driven transmission (42) causes a standard (40) to rotate relative to the adapter. A cable from an electric winch (50) on the standard is reeved through a pulley (48) on a boom (44) extending from the standard. The transmission and winch motors respond to receivers (56) in the hoist. Thus a load (28) attached to the cable can be lifted, lowered and swung circumferentially through commands from a hand held transmitter (24). An electric eye system (64) stops the load adjacent the boom. Timers (252, 253) stop the load when it nears, respectively, the ground and the scaffold floor (34).

REFERENCES:
patent: 2203113 (1940-06-01), Uecker et al.
patent: 2557852 (1951-06-01), Winkel
patent: 2786583 (1957-03-01), Garrison
patent: 3048371 (1962-08-01), Klimek, Jr.
patent: 4560074 (1985-12-01), Manning

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