A feeding rotatable member, a conveying rotatable member and a separating rotatable member are driven by a sheet feeding motor, a feeding motor and a separating motor, respectively, which are independent driving means to thereby feed an original. The separation and conveyance of the original are effected...http://www.google.co.uk/patents/US6234470?utm_source=gb-gplus-sharePatent US6234470 - Sheet material feeding apparatus
