Handling: hand and hoist-line implements – Spacing hoist bar or frame – Load gripping units
Patent
1977-07-26
1978-08-08
Cherry, Johnny D.
Handling: hand and hoist-line implements
Spacing hoist bar or frame
Load gripping units
294 67BC, 294116, B66C 130
Patent
active
041052404
ABSTRACT:
A device for lifting large concrete panels. The device includes gripping jaws pivotally attached to a main lifting beam to transmit lifting forces to the panel being hoisted in a manner which will not crush or otherwise damage the panel. The device is amenable to adjustment for providing the most expeditious lifting technique.
REFERENCES:
patent: 729939 (1903-06-01), Jones
patent: 1216362 (1917-02-01), Richards et al.
patent: 2564357 (1951-08-01), Falkner
patent: 2841434 (1958-07-01), Hooker et al.
patent: 3020078 (1962-02-01), Ray
patent: 3115361 (1963-12-01), Miles
patent: 3206534 (1965-09-01), Vogele et al.
Paton W. Donald
Steenson Thomas W.
Butler Manufacturing Company
Cherry Johnny D.
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