B - Operations – Transporting – 41 – J
Patent
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
Bemis John D.
Goff Willie
International Business Machines Corporation
Kerr Alexander
LandOfFree
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