Crane type lifting assembly for heavy loads

Details Crane type lifting assembly for heavy loads Crane type lifting assembly for heavy loads

1980-04-10

1982-05-18

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Multiple lifters

B66F 714

Patent

active

043301053

ABSTRACT:
A crane type lifting assembly for heavy loads employing two pairs of spacedly positioned frame mounted screws bridged by a balanced yoke type beam with each end of the beam guided between the screws.

REFERENCES:
patent: 158976 (1875-01-01), Pfautz
patent: 4124191 (1978-11-01), Hofmann

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