Lifting device

Details Lifting device Lifting device

1975-05-20

1977-03-08

Cherry, Johnny D.

Handling: hand and hoist-line implements

Spacing hoist bar or frame

Load gripping units

294 67R, 294 67BB, B66C 128

Patent

active

040109712

ABSTRACT:
The invention discloses a lifting device suspended from a crane and comprised of a lifting beam, the shackle suspending devices mounted upon the lifting beam and movable therealong toward or away from each other depending upon the distance of attaching holes of the like of a load to be lifted, shackle devices each rotatably attached to the lower end of each suspending device and including means for adjusting the angular position of the shackle device and means for advancing a shackle pin into the attaching hole or retracting it therefrom.

REFERENCES:
patent: 667440 (1901-02-01), Halsey
patent: 2035311 (1936-03-01), Galliher
patent: 2136443 (1938-11-01), Kepler
patent: 2718320 (1955-09-01), Nelson et al.
patent: 3002779 (1961-10-01), Frate et al.
patent: 3149851 (1964-09-01), Adams
patent: 3243224 (1966-03-01), Gutridge
patent: 3314711 (1967-04-01), Dietz et al.
patent: 3343861 (1967-09-01), Sinicki
patent: 3552794 (1971-01-01), Wright

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