Boat hoist

Details Boat hoist Boat hoist

1981-05-29

1983-08-30

Marbert, James B.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

414680, B25J 700

Patent

active

044013353

ABSTRACT:
A boat hoist including a novel level lift suspension system which results in even application of forces to points on the moveable platform remote from the point of attachment of the lifting device, thus eliminating twisting of the loaded platform.

REFERENCES:
patent: 2307420 (1943-01-01), Mead
patent: 2529948 (1950-11-01), Jones
patent: 2562189 (1951-07-01), Harris
patent: 2589882 (1952-03-01), Sinner et al.
patent: 3139732 (1964-07-01), Thompson
patent: 3169644 (1965-02-01), Godbersen
patent: 3757962 (1973-09-01), Chavet

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