EP 0094905 B1 19860226 - INK RIBBON CARTRIDGE FOR TYPEWRITERS
Title (en)
INK RIBBON CARTRIDGE FOR TYPEWRITERS
Publication
Application
Priority
CH 300682 A 19820514
Abstract (en)
[origin: EP0094905A1] 1. Cassette for printed ribbon for a typewriter, constituted by a case (1) including a supply spool (4) on which the ribbon (6) is wound on and a receiving spool (5) engageable with drive means (7) and intended to receive the used ribbon, break means (31) for the supply spool (4) to produce a tension of the ribbon between the two spools, this cassette comprising a blocking mechanism (25) of the receiving spool (5) intended to prevent the unwinding of this spool, when the cassette is withdrawn from the typewriter, this mechanism comprising a blocking lever (26) with a nose (27) which enters elastically in direct contact with the teeth (28) of a toothed wheel (29), characterized in that the toothed wheel (29) is integral with the receiving spool (5) and in that the blocking lever (26) is in one piece with the case (1), this lever (26) comprising a portion freely exposed in order to work with a device (30) adapted to disengage said nose (27) from the teeth (28) when the cassette is mounted on the typewriter.
IPC 1-7
IPC 8 full level
B41J 32/00 (2006.01); B41J 32/02 (2006.01); B41J 33/52 (2006.01)
CPC (source: EP)
B41J 32/00 (2013.01); B41J 33/52 (2013.01)
Citation (examination)
EP 0078369 A2 19830511 - IBM [US]
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
EP 0094905 A1 19831123; EP 0094905 B1 19860226; CH 647981 A5 19850228; DE 3362251 D1 19860403; JP H0377787 B2 19911211; JP S58205789 A 19831130
DOCDB simple family (application)
EP 83810163 A 19830418; CH 300682 A 19820514; DE 3362251 T 19830418; JP 5675283 A 19830331