Gripper finger for a sheet gripper system

Details Gripper finger for a sheet gripper system Gripper finger for a sheet gripper system

1988-11-18

1990-11-20

Burr, Edgar S.

Printing

Work supporting members

Grippers

101408, B41F 130, B41F 2104

Patent

active

049709550

ABSTRACT:
A gripper finger for a sheet gripper system for a printing press, to which gripper unwanted paper dust, dirt, debris, or the like cannot stick, the profiled retaining surface of the finger has in its front part a single bead-like protuberance which contacts the sheet, has a bead radius (R) of from 0.4 to 1.0 mm, extends parallel to the front edge of the sheet and is coated with a hard substance.

REFERENCES:
patent: 2681006 (1954-06-01), Leavens, Jr.
patent: 3937642 (1976-02-01), Kronseder et al.
patent: 4155305 (1979-05-01), Heissler et al.
patent: 4290595 (1981-09-01), Thunker
patent: 4372209 (1983-02-01), Jentzsch et al.
patent: 4592279 (1986-06-01), Kemmerer
patent: 4598641 (1986-07-01), Fischer
patent: 4629176 (1986-12-01), Ceelen
patent: 4812064 (1989-03-01), Hatakeyama et al.

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