Tab setting device of typewriter

Details Tab setting device of typewriter Tab setting device of typewriter

1981-06-30

1983-04-26

Sewell, Paul T.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

For stopping carriage in tabular position

B41J 2104

Patent

active

043811566

ABSTRACT:
The present invention relates to a tab setting device for stopping a carriage of a typewriter at a desired position. This tab setting device includes an unusual-shape hole formed in a frame of the typewriter in which a tab bracket can rock. In this unusual-shape hole, two pairs of projections for supporting the tab bracket are formed on the bottom surface, one pair of the projections serve as fulcrums for rocking of the tab bracket when a tab pin or pins are tab-set, while the other pair of the projections serve as fulcrums for rocking of the tab bracket when a tab pin or pins are cleared.

REFERENCES:
patent: 3283872 (1966-11-01), Frechette
patent: 3583542 (1971-06-01), Parker
IBM Technical Disclosure Bulletin, vol. 21, No. 9, Feb. 1979, pp. 3699-3700 "Typewriter Tab Rack Rotating Device" by Lennon.

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