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. 19, 1988
Filed:
Jul. 17, 1986
Applicant:
Inventors:
Chuji Ishikawa, Kawasaki, JP;
Michio Umezawa, Kawasaki, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461 / ; 346 75 ;
Abstract
An ink supply system for use in an ink-jet printer includes a main block preferably comprised of a plastic material and defining part of a carriage of the printer. A valve assembly having an ink chamber is incorporated in the main body which controls the flow of ink from an ink reservoir formed in the main block to an ink-jet nozzle head mounted on the carriage. A plurality of ink passages are formed inside of the main body establishing fluidic communications between the ink reservoir, ink chamber and the nozzle head, thereby requiring to provide no tubing.