发明公开
EP0545898A2 Ink ribbon cassette 失效
Farbbandkassette。

Ink ribbon cassette
摘要:
An ink ribbon cassette (1) includes a supply side ribbon spool (60), a take-up side ribbon spool (61), 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 (61) through a lever member (44) and having an opening (65) through which an outside feed tooth (22) may mesh with the take-up side ribbon spool (61) and further having a support portion provided in the opening for contacting the peripheral surface of the take-up side ribbon spool (61) to prevent the take-up side ribbon spool (61) from protruding outwardly, and biasing device for imparting a rotational force to the lever member so that the take-up side ribbon spool is urged against the support portion.
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