B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
197/115
B41J 29/36 (2006.01)
Patent
CA 1157800
TITLE OF THE INVENTION Printing and/or correcting device for printing machines. INVENTOR Remo Falconieri, residing at Str. per Cuceglio 10090 S. Giorgio Canavese (Turin) Italy ABSTRACT OF THE INVENTION The printing and correcting device is applied to a daisywheel printer and comprises a frame supporting a cartridge for a typing ribbon and a correcting ribbon arranged below the typing ribbon. The frame is able to swing as the result of operation of an electromagnet, from a rest position provid- ing visibility of the print, to an intermediate position for printing the characters. A second electromanget raises the frame through a greater length of travel in order to posi- tion the correcting ribbon in front of the printing point. A rotating electromagnet causes automatic unidirectional advance of the typing ribbon after each character has been printed. The correcting ribbon is wound between two spools and its motion is provided by means of a pawl which engages with a gear wheel for driving the spool only in the case where the path of travel of frame is greater than that which relates to positioning of the typing ribbon. A paper finger in the from of a sheet of limited thickness is provided with acute out portion corresponding to the printing point, and with a guide in the from of a leaf spring for guiding the two ribbons adjacently to the typing paper when they are being raised and for preventing unwanted contact by these.
416818
Olivetti (ing. C.) & C. S.p.a.
Ridout & Maybee Llp
LandOfFree
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