Transmission of rotary power, particularly in printing machines

Details Transmission of rotary power, particularly in printing machines Transmission of rotary power, particularly in printing machines

1987-07-17

1989-08-15

Werner, David

Advancing material of indeterminate length

With material-responsive control means

To regulate longitudinal movement of material

226 30, 192 4891, B65H 2000, F16D 2102

Patent

active

048566900

ABSTRACT:
In printing machines, it is often necessary to move materials at two different speeds, for example, bulk movement from one station to another, and precise movement to effect registration for printing. Disclosed herein is apparatus for transmitting power to a drum from two motors via a single output shaft. The apparatus includes a shaft having a coupling disc at one end which can move axially under the control of an actuator either to engage a flywheel driven by a high speed motor or a drive ring driven by a stepper motor via a gear. The other end of the shaft has a gear which transmits the motor drive to the drum via a gear attached to the drum shaft.

REFERENCES:
patent: 1563612 (1925-12-01), Culler et al.
patent: 2168960 (1939-08-01), Morris
patent: 2541872 (1951-02-01), Hendricks
patent: 2832234 (1958-04-01), Sinclair
patent: 3197103 (1965-07-01), Rayve
patent: 3589578 (1971-06-01), Kamphausen
patent: 4009072 (1977-02-01), Schultz et al.
patent: 4249688 (1981-02-01), Klemm

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