Rotatable advance or forward gripper drum

Details Rotatable advance or forward gripper drum Rotatable advance or forward gripper drum

1978-10-26

1981-09-22

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

By means to convey sheet

101246, 101409, 271 82, B65H 512, B65H 514

Patent

active

042905958

ABSTRACT:
Continuously rotatable advance gripper drum assembly for sheet-fed rotary printing machines having an advance gripper drum and a gripper bridge movable relative to the drum includes a crank-driven linkage transmission device disposed on and rotatable with the drum and operatively connected to the gripper bridge for moving the gripper bridge.

REFERENCES:
patent: 2092189 (1937-09-01), Stobb
patent: 2474150 (1949-06-01), Jacobson
patent: 2699115 (1955-01-01), Davidson
patent: 2988357 (1961-06-01), Ranger
patent: 3865362 (1975-02-01), Luffy et al.

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