The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 05, 2010
Filed:
Sep. 27, 2007
Tetsuya Ouchi, Nagoya, JP;
Tetsuya Ouchi, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Abstract
A sheet feeder including: (a) a pair of feed rollers operable to have a plurality of successive rotational motions, so as to be rotated by a predetermined amount in each one of the successive rotational motions, for thereby causing a sheet nipped between the pair of feed rollers, to be fed along a feed path by a desired distance as a result of the each one of the successive rotational motions; (b) a back-tension applier disposed in the feed path, and configured to apply a back tension to the sheet that is fed along the feed path; and (c) a motion controller configured to control the successive rotational motions of the feed rollers, and to command the feed rollers to be rotated by a compensated amount that includes a supplementary amount in addition to the predetermined amount, in each of at least one of the successive rotational motions. Also disclosed is a process of feeding a sheet, by using the sheet feeder.