1122197-A2 is referenced by 2 patents and cites 4 patents.

The present invention provides a sheet feeding apparatus for separating and feeding sheets contained in sheet containing means one by one that has separating and feeding means including a feeding rotary member and a separating rotary member brought into pressure contact with the feeding rotary member and a torque limiter provided between the separating rotary member and a driving shaft wherein a coefficient of friction of the separating rotary member is set so that relations that mu BC N > T/r, mu BP > mu CP, and T/r > mu CP N > mu PP N may be established among a coefficient of friction mu BC between the feeding rotary member and the separating rotary member, a coefficient of friction mu BP between the feeding rotary member and the sheet, a coefficient of friction mu CP between the separating rotary member and the sheet, a coefficient of friction mu PP between the sheets,; a pressure contact force N of the separating rotary member, an idling torque T of the torque limiter and an effective radius r of the separating rotary member.

Title
Sheet feeding apparatus, and image forming apparatus and image reading apparatus provided with the same
Application Number
EP20010102315 20010201
Publication Number
1122197 (A2)
Application Date
February 1, 2001
Publication Date
August 8, 2001
Inventor
Tamura Masashige
JP
Assignee
Canon
JP
IPC
B65H 03/52
H04N 01/00
G06T 01/00
B65H 03/52
B65H 03/06
H04N 01/00
G06T 01/00
B65H 03/52
B65H 03/06
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