Drive coupling for ribbon mechanism in typewriters and similar m

Details Drive coupling for ribbon mechanism in typewriters and similar m Drive coupling for ribbon mechanism in typewriters and similar m

1981-12-07

1984-01-03

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Ribbon spool or mount therefor

400196, 4001961, 400208, 4002351, 400236, B41J 3500

Patent

active

044239742

ABSTRACT:
An engage/disengage coupling between a drive and driven part for imparting rotational force without axial force components.

REFERENCES:
patent: 946359 (1910-01-01), Hess
patent: 2349483 (1944-05-01), Willheim
patent: 3219373 (1965-11-01), Sutliff
patent: 3346090 (1967-10-01), Goff, Jr. et al.
patent: 4231667 (1980-11-01), Behrendt et al.

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