Sheet gripping jar arrangement

Details Sheet gripping jar arrangement Sheet gripping jar arrangement

1981-10-14

1983-02-08

Eickholt, E. H.

Printing

Work supporting members

Grippers

271 82, B41F 2104

Patent

active

043722091

ABSTRACT:
A sheet gripping arrangement of a rotary printing machine has a sheet gripper abutment member, a soft gripper seat member, a gripper shaft having a gripper shaft pivot point, a sheet gripping element including a gripper finger cooperating with the gripper seat member and eccentrically pivotable relative to the gripper shaft about a gripper finger pivot point so as to move first over a substantially flat gripping path and then to move during its final movement phase normally to the latter, and a threaded abutment member arranged in the finger member and acting against the sheet gripper abutment member, wherein the gripper finger member is arranged at an angle of substantially 90.degree. to a contact point of the threaded abutment member with the sheet gripper abutment member, to the gripper finger point, and to the gripper shaft pivot point.

REFERENCES:
patent: 137347 (1873-04-01), Cottrell
patent: 2088862 (1937-08-01), Lang
patent: 2436765 (1948-02-01), Davidson et al.
patent: 2599776 (1952-06-01), Peyrebrune
patent: 2734454 (1956-02-01), Pabst et al.
patent: 3650211 (1972-03-01), Nentwich
patent: 3992993 (1976-11-01), Kuhn et al.
patent: 4224873 (1980-09-01), Wieland
patent: 4227459 (1980-10-01), Jeschke
patent: 4233899 (1980-11-01), Rebez
patent: 4290595 (1981-09-01), Thunker

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