Transmission mechanism, notably for typewriters

Details Transmission mechanism, notably for typewriters Transmission mechanism, notably for typewriters

1976-12-01

1978-08-29

Wright, Jr., Ernest T.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Imprint by movement of record-medium against type-face

4001621, 4004342, B41J 2302

Patent

active

041097785

ABSTRACT:
Angular displacements of a rotary member in, for example, a typewriter are controlled by moving a guide roller to shorten and lengthen the path of an elongate flexible member attached at one end to a rotatable stationary pulley and at its other end to an attachment piece, this member being a belt having notched ends one engaging a toothing on a part of the pulley and the other an arcuate toothed segment forming the attachment piece.

REFERENCES:
patent: 638092 (1899-11-01), Carmona
patent: 1757516 (1930-05-01), Degener
patent: 2661683 (1953-12-01), Beattie
patent: 2911085 (1959-11-01), Leathers
patent: 2937736 (1960-05-01), Kuntzel
patent: 3042174 (1962-07-01), Howard
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patent: 3334719 (1967-08-01), Howard
patent: 3493090 (1970-02-01), Liles
patent: 3621727 (1971-11-01), Cicognani
patent: 3773159 (1973-11-01), Koller
patent: 3861511 (1975-01-01), Nelson et al.
patent: 3921782 (1975-11-01), Kunishima
patent: 4000802 (1977-01-01), Thomson

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