Single revolution drive system including a rotary timing cam

Details Single revolution drive system including a rotary timing cam Single revolution drive system including a rotary timing cam

1989-02-08

1990-03-06

Eickholt, Eugene H.

Printing

Rolling contact machines

Rotary

271265, B41F 3100

Patent

active

049056000

ABSTRACT:
In a machine including structure for sensing a sheet fed to the machine, an improvement comprising: a rotary timing cam, an actuating member movable into and out of locking engagement with the cam; apparatus for controlling the actuating member, the controlling apparatus including resilient structure for urging the actuating member to move into and out of locking engagement with the cam; and the sensing structure including structure for normally latching the controlling apparatus for preventing the resilient structure from moving the actuating member out of locking engagement with the cam, and the latching structure unlatching the controlling apparatus for permitting the resilient structure to move the actuating member out of locking engagement with the cam when the sensing structure senses a sheet fed to the machine.

REFERENCES:
patent: 1038587 (1912-09-01), Ielfield
patent: 1596967 (1926-08-01), Hansen
patent: 2130897 (1938-09-01), Ogden
patent: 2130898 (1938-09-01), Ogden
patent: 2609748 (1952-09-01), Brigham, Jr.
patent: 2756672 (1956-07-01), George
patent: 2848942 (1958-08-01), Persson
patent: 2871781 (1959-02-01), Schrempp
patent: 2934009 (1960-04-01), Bach et al.
patent: 4470349 (1984-09-01), Godlewski

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