Single revolution mechanism

Details Single revolution mechanism Single revolution mechanism

1976-12-10

1978-06-06

Herrmann, Allan D.

192 clutches and power-stop control

Stop mechanism

Material control

74112, 74206, 101235, 192142R, 192149, 271265, 271266, 271274, F16D 7100

Patent

active

040930564

ABSTRACT:
A single revolution mechanism is disclosed in which a feed roll is mounted on a print lever which is attached rotatably to a pivot. By rotating the lever, the feed roll can be brought into contact with an external driving shaft. The feed roll is coupled to a ratchet mechanism comprising a pawl and ratchet. The pawl is engaged with a spring urged pressure lever so that when the feed roll is driven, the ratchet pushes itself away from the second lever to latch the print lever and roll in the operative position during a full revolution. After performing the revolution, the print lever reengages the ratchet to unlatch the device from the driving roll in preparation for another actuation.

REFERENCES:
patent: 2561447 (1951-07-01), Miller
patent: 2786559 (1957-03-01), Sherwood
patent: 2876005 (1959-03-01), Eash
patent: 2909069 (1959-10-01), MacDonald
patent: 3037447 (1962-06-01), Gonzalez et al.
patent: 3038348 (1962-06-01), Stovold et al.
patent: 3495693 (1970-02-01), Limberger

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