Printing press including improved gripper assembly
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United States of America Patent
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-
Mar 14, 1995
Grant Date -
N/A
app pub date -
Sep 3, 1993
filing date -
Sep 3, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A gripper assembly is provided for use within a printing press having an impression cylinder and one or more printing stations. The gripper assembly includes a main shaft, gripper clamp arms mounted to the shaft, and gripper blocks mounted to the shaft in alternating sequence with the gripper clamp arms. Each of the gripper blocks includes a projection overlying a portion of the adjoining gripper clamp arm. A spring is positioned between each projection and adjoining gripper clamp arm for urging the gripper blocks about the axis of the shaft. A gripper is mounted to each of the gripper blocks. Each gripper has a generally flat, Z-shaped body, one end of which is adapted for engaging a sheet of paper. The main shaft is coupled to a cam follower for causing rotation of the main shaft, thereby opening or closing the set of grippers.
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