Long travel beam jack

Details Long travel beam jack Long travel beam jack

1987-05-28

1988-07-19

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Special engaging elements

Sharing props

254387, B66F 300

Patent

active

047579757

ABSTRACT:
A jack for supporting a ceiling beam is provided and consists of a pair of vertical sliding support members operated by a winch mechanism with cable which allows one person to set the beam. The jack will lift heavy loads eliminating the need for a crane and more manpower. In a modification the winch handle can be operated by a foot lever on base of the jack.

REFERENCES:
patent: 267081 (1882-11-01), Hoag et al.
patent: 742126 (1903-10-01), McFerrin
patent: 2491972 (1949-12-01), Halote
patent: 2969220 (1961-01-01), Spencer

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