Apparatus for time sharing of horizontal and vertical advance

Details Apparatus for time sharing of horizontal and vertical advance Apparatus for time sharing of horizontal and vertical advance

1974-12-09

1976-08-03

Burr, Edgar S.

Printing

Selective or progressive

Bed and platen machines

74674, 197127R, B41J 904

Patent

active

039722805

ABSTRACT:
A prime mover is connected to a drive train in a printer to provide incremental or intermittent motion to the paper and to the hammer bank in a time sharing manner wherein the output of a closed loop control mode having a switching amplifier and a feedback circuit utilizing pulse width modulated signals operate the system under static conditions. The drive train includes the use of a planetary gear head and electro-magnetic friction brakes for transducing the output from the prime mover to the two loads. Alternate transducing means include the use of two clutches, or a planetary gear head and band brakes.

REFERENCES:
patent: 3331315 (1967-07-01), Henry
patent: 3331316 (1967-07-01), Bretti
patent: 3415182 (1968-12-01), White
patent: 3489084 (1970-01-01), Strickland et al.
patent: 3599772 (1971-08-01), Comstock
patent: 3667383 (1972-06-01), Mack et al.

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