Sheet feeding or delivering – Feeding – By means to convey sheet
Patent
1994-11-09
1996-07-02
Skaggs, H. Grant
Sheet feeding or delivering
Feeding
By means to convey sheet
271193, 198691, 346134, 347101, B65H 502
Patent
active
055314368
ABSTRACT:
A sheet transport apparatus includes a device for generating an electrostatic attraction force for attracting a sheet member to a surface of a transport belt disposed close to another surface of the transport belt opposite to the surface that contacts the sheet member. The apparatus is arranged to reduce a drive load on the transport belt caused by the electrostatic attraction force. To achieve this effect, at least one of a surface of the electrostatic attraction force generating device contacting the transport belt and a surface of the transport belt contacting the electrostatic attraction force generating device is roughened. Alternatively, an electrostatic attraction force generated at at least one particular portion of the transport belt by the electrostatic attraction force generating device is smaller than an electrostatic attraction force generated at another portion of the transport belt.
REFERENCES:
patent: 3690646 (1972-09-01), Kolibus
patent: 3981498 (1976-09-01), Fletcher
patent: 4244465 (1981-01-01), Hishikawa et al.
patent: 4526357 (1985-07-01), Kuehnle et al.
patent: 4856769 (1989-08-01), Andrew et al.
patent: 4864461 (1989-09-01), Kasahara
Ohyama Kazuo
Onoda Shigeyoshi
Uchida Haruo
Canon Kabushiki Kaisha
Skaggs H. Grant
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