Apparatus for driving a ribbon of a printer

Details Apparatus for driving a ribbon of a printer Apparatus for driving a ribbon of a printer

1997-11-24

1999-03-02

Burr, Edgar

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

400211, B41J 3354

Patent

active

058761306

ABSTRACT:
An apparatus for driving a ribbon of a printer allows a ribbon driving shaft to move the forward/back and right/left directions for being moved together with a ribbon cartridge when the ribbon cartridge is moved by centering about a hub, thereby smoothly transmitting a rotating force toward the hub. For this operation, the apparatus includes the ribbon cartridge winding with a ribbon to be coupled with the ribbon driving shaft, and a driving bevel gear and a driven bevel gear installed to the inside of a printer main body for rotating the ribbon driving shaft, in which a ratchet rotating in one direction is formed to a lower portion of the ribbon driving shaft, a ratchet wheel brought into meshing engagement with the ratchet is formed along the inner periphery of the driven bevel gear, and movement guiding means is installed to a bottom plate forming the printer main body for guiding to be capable of moving together with the rotation of the ribbon driving shaft.

REFERENCES:
patent: 3825103 (1974-07-01), Riley
patent: 4203677 (1980-05-01), Hatsell
patent: 5096315 (1992-03-01), Yamamoto et al.

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