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:
Sep. 29, 2009
Filed:
Feb. 16, 2007
Ming-chieh Chung, Kuang-Ln, TW;
Hsiu-hao Cheng, Taoyuan Hsien, TW;
Ming-Chieh Chung, Kuang-Ln, TW;
Hsiu-Hao Cheng, Taoyuan Hsien, TW;
Teco Image System Co., Ltd., Taipei, TW;
Abstract
A paper feeding and sheet separating differential device comprises a rotating shaft, a first roller, a second roller and an insertion pin, in which the first roller is installed on one end of the rotating shaft and comprises a first outer frame and a first raised mass disposed on an inner side of the first outer frame; the second roller is put around the rotating shaft and comprises a second outer frame, an accepting hole disposed inside the second outer frame and used for receiving the rotating shaft, a groove extended axially from the accepting hole to the second outer frame and the second raised mass disposed on an circumference of the accepting hole and used for propping against the first raised mass. Furthermore, the insertion pin is passed through the rotating shaft and then received in the groove.