Gripper base mechanism of sheet-fed printing press
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United States of America Patent
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N/A
Issued Date -
May 29, 2008
app pub date -
Nov 30, 2007
filing date -
Dec 6, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention aims at providing a gripper-base mechanism which is suitable for automatic and fine adjustment of gripper-base height, superior in durability and easy for manufacturing. In the gripper-base mechanism according to the invention, rotation displacement means 28 by screw mechanism is disposed between an adjustment shaft 24 which is provided in the radial direction within a sheet transfer cylinder 10 and a gripper-base bar 12 whose height can be adjusted in the radial direction of sheet transfer cylinder 10. A screw-base 32 which composes the rotation displacement means 28 has two male screw portions 38, 40 with oppositely directed thread and is key-jointed with one end of the adjustment shaft 24. Additionally, a tool receiving portion 46 is formed between two male screw portions 38, 40 and the gripper-base bar 12 is always spring-loaded by a spring member 50 in the direction of the adjustment shaft 24.
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