| 摘要 |
1. A colour ribbon cassette for typewriters or office machines comprising a housing (1) which accommodates the colour ribbon (6), a feed spool (2), and a winding spool (3) which is displaceably positioned in a slot (9) in the cassette housing, characterized in that both the feed spool (2) and the winding spool (3) are displaceably positioned in slots (8, 9) in the cover and the lower part of the casette housing (1) and are outwardly pressed away from one another along their guide slots (8, 9) by pressure spring elements (17) ; and that a guide pin (4) of a spool, which moves along the guide slot (8, 9) in accordance with the filling state of the cassette (1), serves as an indicating element for the filling state reading and the guide slot (8, 9) has filling state markings (M) in the range of movement of the guide pin (4). |
