Railways – Trolley transfer – Beef-jack type
Patent
1975-05-27
1977-04-05
Spar, Robert J.
Railways
Trolley transfer
Beef-jack type
91 4R, B66B 920
Patent
active
040155382
ABSTRACT:
An improved carcass transfer method and device are provided by which a single operator can readily raise, lower, and transport a whole beef carcass or other carcass to facilitate movement of the carcass both off of and onto overhead rail systems conventionally used for carcass transport and storage in meat packing plants. A portable cantilevered device having a lifting mechanism engages a roller-type trolley from which a carcass is suspended. The lifting mechanism preferably includes a hydraulic cylinder, which cylinder is in controlled communication with an oil reservoir. Pressurized air actuates various valves to effect a desired raising or lowering of the mast.
REFERENCES:
patent: 2743833 (1956-05-01), Peterson
patent: 2772797 (1956-12-01), Schreck
patent: 2903147 (1959-09-01), Davis, Jr.
patent: 3507189 (1970-04-01), Beckett et al.
Blair Robert B.
Lee James W.
Webb Harry B.
Bouton Charles E.
McCabe Edward T.
Mehler Raymond M.
Slattery James M.
Spar Robert J.
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