Ink ribbon cassette
US5044794A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 1989 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | May 10, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J33/26
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink ribbon cassette includes a supply side ribbon spool, a take-up side ribbon spool, a cassette case containing therein the supply side and take-up side ribbon spools and pivotably supporting at least the take-up side ribbon spool through a lever member and having an opening through which an outside feed tooth may mesh with the take-up side ribbon spool. A support portion provided in the opening for contacting the peripheral surface of the take-up side ribbon spool prevents the take-up side ribbon spool from protruding outwardly, and a biasing device impart a rotational force to the lever member so that the take-up side ribbon spool is urged against the support portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.