Device for adjusting the height of a ribbon guide

Details Device for adjusting the height of a ribbon guide Device for adjusting the height of a ribbon guide

1978-08-03

1980-12-02

Coven, Edward M.

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

4002162, B41J 132

Patent

active

042368391

ABSTRACT:
A device for business machines, data and teleprinters and the like, for selectively adjusting the height of the ribbon guide thereof, at the printing station, into one of several operating positions and a visibility position in which the printing station of the machine is visible, in which the drive means for effecting movement of the ribbon guide comprises a stepping motor controlled by a drive circuit operative, in response to control criteria, to effect a positioning of the ribbon guide into either of two relatively extreme positions, or automatically into an intermediate position, in the absence of a selection of either such relatively extreme positions.

REFERENCES:
patent: 3237747 (1966-03-01), Frechette et al.
patent: 3531592 (1970-09-01), Sandrone
patent: 3595361 (1971-07-01), Rekewitz et al.
patent: 3741364 (1973-06-01), Becker
patent: 3782521 (1974-01-01), Hennelhaupt
patent: 3941229 (1976-03-01), Becchi et al.
patent: 4022313 (1977-05-01), Lau et al.
patent: 4073371 (1978-02-01), Prager

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