Material or article handling – Tilting vehicle-type handler – Opposed movable jaw grippers
Patent
1985-09-12
1987-08-11
Spar, Robert J.
Material or article handling
Tilting vehicle-type handler
Opposed movable jaw grippers
280 4724, 414917, B62B 106
Patent
active
046858547
ABSTRACT:
A hand cart particularly adapted for carrying a stack of material such as tires, barrels and the like utilizing a pair of arms activated by foot pedals to open and close the arms. The foot pedal mechanism is arranged such that the pedals will always be horizontal during the opening or closing of the arms. Two horizontal projections from the end of each arm provide horizontal support of material to be moved. The projections from the arms are scalloped to minimize friction during engagement. No adjustments for material size are required in the use of this device. The arms are arranged to have the maximum length possible to minimize the opening angle to reduce interference with adjacent stacks.
REFERENCES:
patent: 990187 (1911-04-01), Bergsather
patent: 990402 (1911-04-01), Stebler
patent: 1551928 (1925-09-01), Bryan
patent: 1795856 (1931-03-01), Gravatt
patent: 2062498 (1936-12-01), Byington
patent: 2129772 (1938-09-01), Jones
patent: 2475874 (1949-07-01), Bartlett
patent: 3084820 (1963-04-01), Malo
Millman Stuart J.
Spar Robert J.
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