Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1978-09-14
1981-03-24
Paperner, Leslie J.
Material or article handling
Vertically swinging load support
Shovel or fork type
294 70, 294 88, 414705, 414739, B66C 300
Patent
active
042577314
ABSTRACT:
A power-operated implement mechanism mounted on the tip of a boom. The mechanism includes a torque tube which is rotated under power to rotate an implement mounting. A fluid-operated ram which is actuated to cause opening and closing of work implements in the mechanism has its rod extending downwardly through the torque tube then to be connected through linkage to the work implements. The work implements are pivotally mounted on the implement mounting. The implement mounting is rotated about the axis of the torque tube through power-operated means operatively connected to the torque tube.
REFERENCES:
patent: 2337133 (1943-12-01), Strain
patent: 2910274 (1959-10-01), Scott
patent: 3451150 (1969-06-01), Pitaval
patent: 3517960 (1970-06-01), Mork et al.
patent: 3786827 (1974-01-01), Berg
patent: 3881263 (1975-05-01), Coeurderoy
patent: 3902614 (1975-09-01), Roberts et al.
North Bend Fabrication & Machine, Inc.
Paperner Leslie J.
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