Ribbon drive mechanism for high speed printer

Details Ribbon drive mechanism for high speed printer Ribbon drive mechanism for high speed printer

B - Operations, Transporting

41

J

197/110

B41J 33/14 (2006.01) B41J 33/24 (2006.01)

Patent

CA 1124198

RIBBON DRIVE MECHANISM FOR HIGH SPEED PRINTER ABSTRACT OF THE DISCLOSURE In a high speed printer, apparatus is provided for rotatably driving a ribbon take-up reel and a ribbon supply reel, each reel being adapted to support a portion of an inventory of ribbon running from the supply reel to the take-up reel at a constant speed differential between reels. This apparatus comprises a first inelastic drive belt for peripherally non-slip driving the ribbon portion on the take-up reel and a second inelastic drive belt unattached to the first drive belt for peripherally non- slip driving the ribbon portion on the supply reel. Means are provided for driving the first belt at a con- stant selected speed and drive coupling means provided which are non-slip driven by the first belt and are for non-slip driving the second belt at a constant speed which is slower than the first belt. In this manner, the web or ribbon between the supply reel and the take-up reel is maintained under a constant uniform strain level. AT9-78-007

339700

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