Ink ribbon cassette for dot impact serial printer
专利汇可以提供Ink ribbon cassette for dot impact serial printer专利检索，专利查询，专利分析的服务。并且PURPOSE: To prevent ribbon jam by providing a plurality of pulleys in which an ink ribbon is wound to be horizontally conveyed to a conveying direction of a printing head for printing on a sheet through the ribbon.
CONSTITUTION: If slide pulleys 3 are moved, for example, from left to right at a speed V, an ink ribbon 2 disposed out of a ribbon cassette case 1 is moved oppositely to the pulleys 3 from right to left at the twice speed of 2V. When a carriage 9 placing a printing head 7 is conveyed laterally by a drive source, the slide pulley and the drive belt 11-a partly fixed to the carriage 9 are moved at the same speed as that of the carriage 9, suitably decelerated by speed reduction pulleys 8-a, 8-b, and the slide pulley drive belt 11-b is moved in the same direction as that of the belt 11-a at the speed of V/3. The pulleys 3 are moved oppositely to the head 7 at the speed of V/3.
COPYRIGHT: (C)1991,JPO&Japio，下面是Ink ribbon cassette for dot impact serial printer专利的具体信息内容。
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