Handling: hand and hoist-line implements – Grapple – Load shifting
Patent
1991-04-08
1993-03-02
Marmor, Charles A.
Handling: hand and hoist-line implements
Grapple
Load shifting
294 88, 414783, G21C 1926
Patent
active
051903334
ABSTRACT:
An end effector deploying and inverting linkage. The linkage comprises an air cylinder mounted in a frame or tube, a sliding bracket next to the air cylinder, a stopping bracket depending from the frame and three, pivotally-attached links that are attached to the end effector and to each other in such a way as to be capable of inverting the end effector and translating it laterally. The first of the three links is a straight element that is moved up and down by the shaft of the air cylinder. The second link is attached at one end to the stopping bracket and to the side of the end effector at the other end. The first link is attached near the middle of the second, sharply angled link so that, as the shaft of the air cylinder moves up and down, the second link rotates about an axis perpendicular to the frame and inverts and translates the end effector. The rotation of the second link is stopped at both ends when the link engages stops on the stopping bracket. The third link, slightly angled, is attached to the sliding bracket at one end and to the end of the end effector at the other. The third helps to control the end effector in its motion.
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Killian Mark A.
Minichan Richard L.
Constant Richard E.
Dixon Harold M.
Marmor Charles A.
Moser William R.
Pape Joseph D.
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