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US4708504A Pinch roller assembly for sheet feeding 失效
用于送纸的夹送辊组件

Pinch roller assembly for sheet feeding
摘要:
The present invention provides a paper feeder used in recording systems including printers and comprising feed and pinch rollers between which there is produced a nip used to hold and convey a sheet of paper therebetween. The pinch roller can be engaged or disengaged by the feed roller in a simple and precise manner.
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