Belt tensioning means for a serial printer

Details Belt tensioning means for a serial printer Belt tensioning means for a serial printer

1989-06-08

1991-02-12

Crowder, Clifford D.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

400320, 474117, B41J 1956

Patent

active

049919849

ABSTRACT:
Belt tensioning apparatus for a serial printer wherein a spring imparts a predetermined pull to driving belt by applying a predetermined force to a slide on which a belt return idle pulley is mounted, and wherein a slide is offset from a working point and in the direction opposite to the force exerted by the spring by an amount controlled by a stop pad, preferably resilient and position adjustable, or automatically changeable in position owing to belt elongations occurring during operation.

REFERENCES:
patent: 4395151 (1983-07-01), Krenz
patent: 4484485 (1984-11-01), Matsuhisa
patent: 4631734 (1972-01-01), Wagner
patent: 4653948 (1987-03-01), Ikeda
patent: 4678354 (1987-07-01), Olsen
patent: 4746237 (1988-05-01), Takeda
patent: 4796910 (1989-01-01), Starr, Sr.
IBM Technical Disclosure Bulletin vol. 24, No. 1A, Jun. 1981.
IBM Technical Disclosure Bulletin, vol. 24, No. 7B Dec. 1981, Drive Idler System, S. W. Johnson and C. W. Knappenberger, pp. 3748, 3749, 3750.

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