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:
Nov. 19, 1996
Filed:
Jun. 02, 1995
Applicant:
Inventors:
Assignee:
Mita Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355215 ; 355 30 ; 361214 ;
Abstract
A moving optical system assembly is disposed under a contact glass for supporting a document on the upper surface of a frame of a copying machine, and comprises a moving frame 2 equipped with a source of light 4, and a document sensor arm 10 which undergoes expansion or contraction accompanying the movement of the moving frame 2, wherein a transparent electrically conducting film 20 is laminated on the upper surface of the document sensor arm 10. This assembly effectively prevents dust from adhering on the lower surface of the contact glass.