| 摘要 |
PROBLEM TO BE SOLVED: To enhance the precision of impact and reduce the unevenness concerning an image formation device. SOLUTION: A dumper (rubber, spring, etc.) is installed between a unit of rollers, which clamp a sub rail so that a carriage may not revolve even when the carriage passes along the local uneven parts of the sub rail, and the carriage, or the roller is made of rubber. COPYRIGHT: (C)2009,JPO&INPIT
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