Method and apparatus for lifting a block

Details Method and apparatus for lifting a block Method and apparatus for lifting a block

1984-04-11

1985-12-10

Cherry, Johnny D.

Handling: hand and hoist-line implements

Contact lens applicator

294 821, 294 89, 403 3, 411383, B66C 110

Patent

active

045575134

ABSTRACT:
A lifting device adapted to lift an object, such as a metal block, having a threaded socket for engagement of a lifting device. The lifting device comprises a ring, to which is rotatably mounted a hub having three outwardly extending threaded studs of different sizes. The appropriate stud, having a diameter matching that of the socket of the object to be lifted, can be moved into the lifting position for threaded engagement with the socket.

REFERENCES:
patent: 3371951 (1968-03-01), Bryant
patent: 3492033 (1970-01-01), Mueller
patent: 4139179 (1979-02-01), Kukulski
patent: 4223932 (1980-09-01), Gonsalves

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