Printer having an improved shuttle position sensor

Details Printer having an improved shuttle position sensor Printer having an improved shuttle position sensor

1996-09-11

1998-09-08

Burr, Edgar S.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

400279, 101 9316, B41J 904

Patent

active

058036300

ABSTRACT:
A dot matrix printer having a plurality of hammers forming in part a hammerbank, with a motor for driving the hammerbank, and a controller for releasing the hammers for printing on a print media. A counterbalance is mechanically linked to the hammerbank for balancing it during movement. Lands and grooves are connected for rotation with the motor. A sensor sends pulses corresponding to the lands and grooves for controlling the hammerbank movement. The hammerbank is linked to the position of the lands and grooves as mechanically connected to the motor.

REFERENCES:
patent: 3941051 (1976-03-01), Barrus et al.
patent: 4463300 (1984-07-01), Mayne et al.
patent: 4498793 (1985-02-01), Barrus et al.
patent: 4749294 (1988-06-01), Barrus et al.
patent: 4854756 (1989-08-01), McCrimmon, Jr. et al.

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