Building construction lift apparatus

Details Building construction lift apparatus Building construction lift apparatus

1983-08-04

1985-11-05

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

182141, B66B 920

Patent

active

045508070

ABSTRACT:
A portable lift apparatus for use in building construction. Two vertical members with attached endless chains or cables move lift members to the top of a building. The lift members pivot to lay their load flat at the top of the building. The vertical members are detachably connected together by a dual universal joint mechanism. When this connection is detached, the device is as portable as a ladder.

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patent: 4184570 (1980-01-01), Edwards
patent: 4262773 (1981-04-01), Basham

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