Sheet gripper

Details Sheet gripper Sheet gripper

1979-04-26

1981-03-03

Fisher, J. Reed

Printing

Work supporting members

Grippers

101246, 271 82, B41F 2104

Patent

active

042533961

ABSTRACT:
A sheet gripper for a sheet-fed rotary printing machine is disclosed. The sheet gripper is secured directly to the oscillating gripper shaft of the impression cylinder of the printing machine and includes a gripper finger having a gripper tip, a gripper base, and a connecting gripper side. A hinge joint assembly between the sheet gripper and gripper shaft is formed by a shoulder on the gripper and a notch on the shaft. Alternatively, the shoulder may be provided on the shaft and the notch formed in the gripper. The gripper is secured to the shaft and is biased toward the shaft by suitable springs or the like. An adjustment assembly is provided to adjust the distance between the gripper tip and an abutment surface on the cylinder.

REFERENCES:
patent: 323168 (1885-07-01), Lindemeyer, Jr.
patent: 1384778 (1921-07-01), Rich
patent: 1483057 (1924-02-01), Warsen
patent: 1600790 (1926-09-01), Blaine
patent: 1607142 (1926-11-01), White
patent: 2092189 (1937-09-01), Stobb
patent: 3536321 (1970-10-01), Straube
patent: 3650211 (1972-03-01), Nentwich
patent: 3788639 (1974-01-01), Bru
patent: 4058307 (1977-11-01), Bubley

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