Ink ribbon cassette housing for a printer

Details Ink ribbon cassette housing for a printer Ink ribbon cassette housing for a printer

1997-03-18

1998-09-22

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400208, B41J 3528

Patent

active

058104909

ABSTRACT:
An ink ribbon cassette housing for a printer according to the present invention is one having a bearing means which houses a ribbon supply spool shaft wound with an ink ribbon unused and a ribbon takeup spool shaft for taking up a used ink ribbon in a state that both of the spool shafts are separated from each other and which rotatably supports drive-side shaft portions provided on one ends of the respective spool shafts and driven-side shaft portions on the other ends thereof. The ink ribbon cassette housing for a printer includes a bearing means for said drive-side shaft portions being formed of a bearing portion which has a bearing aperture formed through a side wall of the cassette housing, and a bearing means for the driven-side shaft portions has a bearing portion divided into a lower bearing plate having a semicircular lower bearing aperture and an upper bearing plate which has a semicircular upper bearing aperture and which is shifted positionally forward or backward from the lower bearing plate.

REFERENCES:
patent: 532049 (1895-10-01), Shiraishi et al.
patent: 4946113 (1990-08-01), Riffle et al.
patent: 5248108 (1993-09-01), Zander

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