Cam operated gripper for a printing press
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United States of America Patent
Stats
-
Mar 6, 1990
Grant Date -
N/A
app pub date -
Dec 13, 1988
filing date -
May 2, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A grip shaft is supported on a cylinder that makes an oscillating (reciprocating rotational) motion. The grip shaft is provided with a grip for holding a printing material. The grip is further provided with a cam follower. A cam is positioned along the path of motion of the cam follower, and the cam follower engages with an opening portion of the cam when the grip is right before a printing material feeder portion, and opens the grip. Further, when the grip reaches the printing material feeder portion, the cam follower moves to a closing portion of the cam, closing the grip to hold a printing material. After the grip has held a printing material, the cam follower disengages from the cam as the cylinder is rotated in the opposite direction. The opening portion and the closing portion composes a continuous cam surface.
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