Reversible ribbon cartridge

Details Reversible ribbon cartridge Reversible ribbon cartridge

B - Operations, Transporting

65

H

242/61.1

B65H 75/02 (2006.01) B41J 32/00 (2006.01) B41J 33/24 (2006.01)

Patent

CA 1241315

ABSTRACT A reversible typing ribbon cartridge has two pairs of pinch roll pairs for moving the ribbon in the direct and inverted positions respectively. When the cartridge is off the typing machine both pinch pairs are engaged with the ribbon, but as the cartridge is installed, a rod penetrates into the car- tridge and disengages the pinch pair in the following position while drives engage the ribbon spool and the pinch pair in the leading position. According to the invention, since only the leading pinch pair engages the ribbon, whether the cartridge is being operated in the direct or inverted position, squeezing and consequent degradation of the ribbon is minimized.

477080

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