B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
197/106
B41J 33/52 (2006.01) B41J 32/00 (2006.01) B41J 32/02 (2006.01) B41J 35/08 (2006.01)
Patent
CA 1329376
ABSTRACT OF THE INVENTION CARTRIDGE FOR A TYPING RIBBON A cartridge for a typing ribbon for typewriters comprises a container for accommodating a typing ribbon which can be of single- strike correctable or non-correctable, multi-strike or endless inked type. If the ribbon is of the single-strike or multi-strike type, the container comprises a supply reel and a tensioning and stop device co-operating with a toothed flange of the supply reel to prevent the ribbon which is wound on the supply reel from unwinding both when the container is mounted on the machine and which removed from the machine. The device comprises a tensioning lever for the ribbon and a stop lever for the reel, which levers are connected together by means of a resilient spring connection. The device guides and tensions the ribbon during the unidirectional feed movement thereof, in such a way as to ensure a constant stepping movement in the feed motion of the ribbon and low and constant tensioning of the ribbon. If the ribbon is of the inked type, the container comprises a magazine for accommodating the ribbon which is disposed in randomly distributed loops, a feed roller which drives in rotation a first feed wheel for producing a feed movement of the ribbon, together with a pressure roller for introduction of the ribbon into the magazine.
593824
Falconieri Remo
Uggetti Sergio
Ing. C. Olivetti & C. S.p.a.
Ridout & Maybee Llp
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