Portable roof winch

Details Portable roof winch Portable roof winch

1976-03-29

1977-01-25

Spar, Robert J.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

182155, 182184, 212 48, 212 59R, B66C 2372

Patent

active

040047784

ABSTRACT:
A portable roof winch comprising a collapsible frame that is adjustable to accommodate the slant of a roof, an extensible beam consisting of two telescoping parts one of which is pivotally mounted on the frame on a vertical axis and the other part being moveable with respect to the pivot and having a manually operable winch mounted thereon at a location adjacent to and spaced from the free end of the moveable part, together with a seat for an operator on the moveable part beyond the winch. A cable is taken up on the winch, extends along the beam and is passed over a pulley at the free end of the fixed beam part. A load engaging hook is attached to the end of this cable.

REFERENCES:
patent: 2506896 (1950-05-01), Shakowitz
patent: 2893299 (1959-07-01), Moir
patent: 3007540 (1961-11-01), Reinhardt
patent: 3103344 (1963-09-01), Figge

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