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:
Mar. 23, 1993
Filed:
Sep. 17, 1991
Takeo Ishidate, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
An apparatus for sequentially feeding an accumulation of sheets stored in a storing section thereof one by one to a predetermined transport path. A pressing member presses the accumulation of sheets to one side in a direction in which the sheets are accumulated. A pair of pick-up rollers abut against the surface of the accumulation of sheets at the above-mentioned one side. A pair of feed rollers are located at a predetermined feed position in parallel with the pair of pick-up rollers. Actuators cause the pick-up roller pair and the feed roller pair to move toward and away from each other in a reciprocating motion. A pair of reverse rollers are located to face the pair of feed rollers and rotatable in a counter-feed direction opposite to a predetermined feed direction. The pick-up rollers and feed rollers moving toward and away from each other pay out a sheet from one side of the accumulation. The reverse rollers are rotated in the counter-feed direction to separate a sheet being entrained by the sheet being paid out in close contact with it and return said the entrained sheet to the storing section. Opposite side edges of the sheet being paid out by the pick-up rollers and feed rollers are continuously sensed over a predetermined range to see if the sheet is entraining another sheet, is delayed, or is paid out askew. The amplitudes of movement of the individual rollers are controlled in a particular manner mathcing the condition wherein the sheet is paid out.