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:
May. 31, 1983
Filed:
May. 22, 1981
Applicant:
Inventors:
Yasuhiro Takahashi, Toyko, JP;
Yoshiharu Ohinata, Kawasaki, JP;
Assignee:
Riso Kagaku Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41F / ;
U.S. Cl.
CPC ...
101120 ; 101363 ;
Abstract
A printing machine such as a stencil duplicator having an ink supply roller and a squeezer and adapted to hold a columnar ink deposit placed on the outer peripheral surface of the roller and substantially prevented by the squeezer from moving as a whole together with the outer peripheral surface of the roller, including a device for detecting the amount of ink in the ink deposit, having a pivotable lever whose one end contacts the ink deposit and which changes its pivotal position in accordance with the size of the ink deposit, and a means for detecting the pivotal position of the lever.