Clamping gripper with resultant force through contact point

Details Clamping gripper with resultant force through contact point Clamping gripper with resultant force through contact point

1987-09-25

1989-10-17

Crowder, Clifford D.

Printing

Work supporting members

Grippers

271277, B41F 2104, B41F 130

Patent

active

048739260

ABSTRACT:
A clamping gripper for sheet-fed rotary printing presses wherein tensions produced in the paper by adhesion forces of the blanket do not react in run-on shifts of the center of a main gripper member mounted for rotation with a fit clearance on the gripper shaft. A spring is so disposed, and the bearing plane and the gripper support surface are so inclined relative to one another, that the resultant force due to the spring force, thrust and bearing load intersect the gripper finger at the transfer point.

REFERENCES:
patent: 2599776 (1952-06-01), Peyrebrume
patent: 2928344 (1960-03-01), Dietrich et al.
patent: 2933040 (1960-04-01), Helmig
patent: 3650211 (1972-03-01), Nentwich
patent: 4718342 (1988-01-01), Raab et al.
patent: 4718343 (1988-01-01), Gensheimer et al.

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