Material or article handling – Vertically swinging load support – Grab
Patent
1986-10-03
1988-04-26
Spar, Robert J.
Material or article handling
Vertically swinging load support
Grab
414225, 414917, 1984682, 1984686, 74 37, 74 892, B66C 100
Patent
active
047401346
ABSTRACT:
A machine for raising parts vertically from a pick-up station, for shifting the parts horizontally toward a delivery station, and for lowering the parts vertically into the delivery station. The machine includes a parts handling head pivotally supported on the lower end portions of a pair of parallel links whose upper end portions are pivotally connected to a vertically movable slide. A crank is oscillated back and forth by a reciprocating actuator and acts to effect pivoting and vertical shifting of the links while a cam follower is connected to one of the links and coacts with a slotted cam plate to control such pivoting and shifting. In one embodiment, reciprocating motion of the actuator is converted into oscillating motion of the crank by a rack and pinion and, in another embodiment, the motion conversion is effected by cogged belts coacting with toothed sprockets.
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patent: 4589819 (1986-05-01), Shirao
patent: 4634338 (1987-01-01), Tsuge et al.
Dixon Automatic Tool, Inc.
Doyle Jennifer
Spar Robert J.
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