Dual pitch tabular stop assembly

Details Dual pitch tabular stop assembly Dual pitch tabular stop assembly

1977-03-28

1979-01-16

Wright, Jr., Ernest T.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

For stopping carriage in tabular position

4002961, 400298, B41J 2104

Patent

active

041346947

ABSTRACT:
A tabular stop assembly having two sets of uniformly spaced tab stops for use with a typewriter with a dual pitch escapement wherein individual stops of each set are formed on each of an array of uniformly spaced C-shaped tabs which are mounted for rotative movement relative to a tab rack to first and second set positions corresponding to a selected escapement pitch.

REFERENCES:
patent: 720302 (1903-02-01), Webb
patent: 874059 (1907-12-01), Fisher
patent: 1082033 (1913-12-01), Lockwood
patent: 1508911 (1924-09-01), Aichele
patent: 3333669 (1967-08-01), Schaefer
patent: 3346091 (1967-10-01), Cralle et al.
patent: 3540565 (1970-11-01), Hanft et al.
patent: 3858706 (1975-01-01), Gottsmann
patent: 4031994 (1977-06-01), Schaefer
IBM Technical Disclosure Bulletin, "Dual-Pitch Tab Rack," Kruspe, vol. 8, No. 5, Oct. 1965, p. 793.

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