Handling: hand and hoist-line implements – Spacing hoist bar or frame – With orienting means
Patent
1993-08-20
1995-05-02
Cherry, Johnny D.
Handling: hand and hoist-line implements
Spacing hoist bar or frame
With orienting means
294 675, 294 815, B66C 116, B66C 1308
Patent
active
054113067
ABSTRACT:
The invention in its broadest form includes a device for inverting a cover with a predetermined weight from a horizontal position to an inverted position, the device comprising a crane for lifting the cover; at least two pivotable brackets each attached to both the cover and the crane and positioned to suspend a substantial amount of the weight of the cover for pivoting the cover; and a cable attached to the cover at one end and to the crane at its other end and positioned to suspend a nominal amount of the weight of the cover for supporting the cover.
REFERENCES:
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patent: 1794714 (1931-03-01), Kiplinger
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patent: 3047916 (1962-08-01), O'Brien
patent: 3127645 (1964-04-01), Dyck
patent: 3314550 (1967-04-01), McCready et al.
patent: 3425738 (1969-02-01), Feldman et al.
patent: 3797877 (1974-03-01), Soehrens
Campbell Ira J.
Coyle Lawrence J.
Daugherty David A.
Schartner Cletus L.
Vogel Walter B.
Cherry Johnny D.
Westinghouse Electric Corporation
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