Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 24, 2011
Patent Application Number
12231271
Date Filed
August 28, 2008
Patent Primary Examiner
Patent abstract
A paper pick-up mechanism for a feeder includes a pick-up roller, a pick-up roller shaft, a separation roller, a transmission shaft, a gear set and a transmission gear shaft. Two one-way clutches are respectively coupled to the transmission shaft and the transmission gear shaft in parallel. When the transmission shaft is rotated in a direction opposite to a sheet-feeding direction, the gear set, through the cooperation of the two one-way clutches are used as a planetary gear set to lift up the pick-up roller.
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