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    • 4. 发明授权
    • Sheet feeding apparatus using a vibration wave to convey sheets
    • 使用振动波输送片材的送纸装置
    • US5348287A
    • 1994-09-20
    • US966827
    • 1992-10-27
    • Shinji YamamotoYoshifumi Nishimoto
    • Shinji YamamotoYoshifumi Nishimoto
    • B41J11/00B41J13/00B41J15/04B65H5/00H01L41/09H02N2/00B65H5/12
    • H02N2/08B65H5/008B65H2402/00
    • A sheet feeding apparatus in which vibration members of the running track type to form travelling waves are arranged in the vertical direction so as to face each other and a sheet sandwiched between them is fed by frictional forces is disclosed. In order to reduce the number of parts of a circuit to drive the upper and lower vibration members, the polarizing directions in the A-phase piezoelectric transducer portions of the piezoelectric transducers for the upper vibration member are opposite to the polarizing directions in the A-phase piezoelectric transducer portions of the piezoelectric transducers for the lower vibration member. Further, the polarizing directions in the B-phase piezoelectric transducer portions for the upper vibration member are the same as the polarizing directions in the B-phase piezoelectric transducer portions for the lower vibration member.
    • 公开了一种纸张馈送装置,其中行进轨道类型的振动构件形成行波,以垂直方向布置成彼此面对,并且夹在它们之间的片材通过摩擦力被馈送。 为了减少用于驱动上下振动部件的电路部分的数量,上振动部件的压电换能器的A相压电换能器部分的偏振方向与A- 用于下振动件的压电换能器的相位压电换能器部分。 此外,用于上部振动部件的B相压电换能器部分中的偏振方向与用于下部振动部件的B相压电换能器部分中的偏振方向相同。