Control apparatus for gripper finger shaft for printing press

Details Control apparatus for gripper finger shaft for printing press Control apparatus for gripper finger shaft for printing press

1975-05-07

1977-01-18

Burr, Edgar S.

Printing

Work supporting members

Grippers

271277, B41F 130, B41F 2104

Patent

active

040033104

ABSTRACT:
In a printing press having a conventional plate cylinder and an impression cylinder operatively positioned on a frame with the impression cylinder having gripper fingers and a gripper finger positioning shaft, the improvement relating to a tumbler member secured to one end of the gripper finger shaft and having pin receiving recess means formed in such tumbler member. A pair of fluid-actuated independently controlled cylinders are provided at the end of the impression cylinder whereby when the cylinders are actuated the piston rods extend therefrom for engagement with the tumbler member to turn it and its associated shaft through an arc by rotation of the impression cylinder for controlling the operative and inoperative positioning of the gripper fingers on the gripper finger shaft.

REFERENCES:
patent: 503713 (1893-08-01), Blake
patent: 508053 (1893-11-01), Scott
patent: 612705 (1898-10-01), Clark
patent: 979845 (1910-12-01), Guillo
patent: 1225670 (1917-05-01), McCain
patent: 1593236 (1926-07-01), Barber
patent: 1874013 (1932-08-01), Kaddeland
patent: 2002853 (1935-05-01), Eckhard
patent: 2747417 (1956-05-01), Brown
patent: 3080765 (1963-03-01), Eisele
patent: 3406625 (1968-10-01), Chamness et al.
patent: 3628645 (1971-12-01), McFeaters et al.
patent: 3874394 (1975-04-01), Robertson

Affiliated with

Also associated with

Rating

Control apparatus for gripper finger shaft for printing press does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Control apparatus for gripper finger shaft for printing press, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control apparatus for gripper finger shaft for printing press will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-65907