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. 22, 1986
Filed:
Jul. 27, 1984
Applicant:
Inventor:
Mitsuo Suzuki, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05C / ;
U.S. Cl.
CPC ...
118689 ; 118658 ;
Abstract
In a toner concentration detecting apparatus, the inner surfaces of opposing side walls of a detector container, through which a developer in the form of a mixture of a carrier and a toner flows downward, are formed of curved surfaces of large radii of curvature having their centers on the same side, and the sectional area of the passage for the developer is gradually decreased toward the outlet of the detector container.