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. 26, 1991
Filed:
Oct. 13, 1989
Noritaka Okazaki, Kadoma, JP;
Mita Industrial Co., Ltd., , JP;
Abstract
A scanning apparatus of a copying machine includes a first moving frame and a second moving frame constituting a movable optical system for reading an original image; a toothed belt suspended between a pair of pulleys such that the toothed belt is endlessly movable; the first moving frame being fixed; a second moving frame driving pulley installed on the second moving frame and which is driven by the toothed belt; a friction roller which rotates in a body with the second moving frame driving pulley; and a stationary friction plate installed so as to be brought in contact with the friction roller. The scanning apparatus has a simple construction, and a stable and high performance in reading an original image can be obtained.