Ribbon cartridge for an electronic typewriter

Details Ribbon cartridge for an electronic typewriter Ribbon cartridge for an electronic typewriter

1989-05-30

1991-06-25

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

4002081, B41J 3528

Patent

active

050261819

ABSTRACT:
There is disclosed a ribbon cartridge for an electronic typewriter. The cartridge includes a case for containing the ribbon, a supplying spool for supplying the ribbon, a winding spool for winding the ribbon supplied from the supplying spool, a tension member for tensioning the ribbon, a resiliently pressing means for contacting the winding spool with the winding gear, and a guide roll for guiding the ribbon. The tension member comprises an L-shaped spring, whose middle curved portion is supported on the spindle of the supplying spool. A first branch of the L-shaped spring is fixed on a corner structure, while a second branch thereof holds the ribbon to tension it. The resilient pressing means includes a pin spring resiliently pressing the spindle of the winding spool toward the winding gear. The side of the guide roll is tapered bidirecionally from the center line between the both ends thereof toward the both ends so that the ribbon is guided without being folded longitudinally.

REFERENCES:
patent: 4299504 (1981-11-01), Benz et al.
patent: 4317636 (1982-03-01), Hume
patent: 4505605 (1985-03-01), Hasewaga et al.
patent: 4657418 (1987-04-01), Lahr
patent: 4729677 (1988-03-01), Dirla et al.
patent: 4780011 (1988-10-01), Hasgawa et al.
patent: 4830524 (1989-05-01), Shore

Affiliated with

Also associated with

Rating

Ribbon cartridge for an electronic typewriter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ribbon cartridge for an electronic typewriter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ribbon cartridge for an electronic typewriter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1036092