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. 06, 1990
Filed:
Nov. 21, 1988
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 75 ; 355200 ;
Abstract
The present invention relates to copying machine, which comprises: upper and lower bodies which are bound by a hinge on one side, and a counterbalance mechanism installed in the vicinity of the hinge which works at the time of opening and closing the upper body within a predetermined angle, and stops functioning at the time of opening the upper body when the upper body opens beyond the predetermined angle.