Handling: hand and hoist-line implements – Article carrier gripped and carried by hand – Convertible to – or useable as – different device or different...
Patent
1974-11-29
1976-06-29
Spar, Robert J.
Handling: hand and hoist-line implements
Article carrier gripped and carried by hand
Convertible to, or useable as, different device or different...
294 67DA, 294 81SF, B66F 914
Patent
active
039660699
ABSTRACT:
A spreader for lifting containers comprises a generally rectangular frame having container engaging devices adjacent the corners thereof and being mountable on the tines of a fork truck or the like for movement rotatably about a generally vertical axis, and horizontally in directions both parallel and perpendicular to the longitudinal axes of the tines. The frame includes base and upper frames, and at least one of such frames includes an elongated slot extending generally parallel to one of the horizontal directions of movement. A pin extending outwardly from the other of such frames is received in the slot for restraining the upper frame against complete displacement from the base frame, as well as for guiding certain movements of the upper frame relative to the base frame. The upper frame is rotated and moved horizontally in a direction generally perpendicular to the longitudinal axes of the tines by selectively operable common power means which comprises a pair of hydraulic cylinders connected between the base and upper frames.
REFERENCES:
patent: 3552557 (1971-01-01), Green
patent: 3589540 (1971-06-01), Kinross
patent: 3709392 (1973-01-01), Kinross
patent: 3863970 (1975-02-01), Gottlieb et al.
Paperner L. J.
RPC Corporation
Spar Robert J.
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