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:
Apr. 27, 1999
Filed:
Aug. 13, 1996
Other;
Abstract
A transmission unit mounted on the machine base of an office automation machine and covered with a cover and controlled to turn a first roller and a second roller, including a gear transmission mechanism, a first roller having a driven gear set at one end, and a second roller having a driven gear set at one end, wherein the gear transmission mechanism includes a motor, a rounded seat raised from the machine base, a drive gear mounted on the rounded seat and coupled to the motor, a first annular gear holder revolvably mounted around the rounded seat and having an upright gear shaft, a second annular gear holder revolvably mounted around the rounded seat and having two upright gear shafts, an auxiliary gear mounted on the machine base, a first planet gear revolvably mounted around the gear shaft of the first annular gear holder and driven by the drive gear to turn the driven gear set of the first roller, a second planet gear revolvably mounted around one upright gear shaft of the second annular gear holder and meshed between the drive gear and the auxiliary gear and driven by the drive gear to turn the driven gear set of the second roller, and a sector gear meshed with the drive gear and forced to turn the driven gear set of the second roller reversely through a fixed angle after the copy or incoming mode.