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:
Jun. 02, 1992
Filed:
Oct. 19, 1990
Eisaku Mutou, Tokyo, JP;
Kiyoshi Matsuda, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
A toner cartridge has an outer cylinder and an inner cylinder contained in the outer cylinder in such a relation that it is adjacent to the outer cylinder and rotatably slidable relative thereto. Outer cylinder toner discharge openings are formed in the outer cylinder and spaced in the longitudinal direction thereof. Inner cylinder toner discharge openings are formed in the inner cylinder and spaced in the longitudinal direction thereof, the inner cylinder toner discharge openings being alignable with the outer cylinder toner discharge openings. Opposite ends of the outer cylinder are provided with notches. The outer cylinder toner discharge openings are spaced by at least one outer cylinder rib. The inner cylinder toner discharge openings are spaced by at least one inner cylinder rib which is not axially aligned with the outer cylinder rib.