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:
Oct. 20, 1992
Filed:
Jan. 29, 1991
Applicant:
Inventor:
Yuichi Aoyama, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
222145 ; 222325 ; 222479 ; 222509 ; 222514 ; 222D / ;
Abstract
A device for supplying a liquid developer from a toner container to a tank and from the tank to a developing unit of which is operable with the liquid developer. The nozzle hole of the toner container is open into a circulation path along which the liquid developer is circulated. Hence, the nozzle hole is constantly dipped in the liquid developer without regard to the liquid level in the tank and, therefore, is free from the deposition of dried toner particles.