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:
Mar. 08, 1988
Filed:
Sep. 03, 1986
Tadakazu Ogiri, Osaka, JP;
Yoshiaki Yanagida, Hirakata, JP;
Yasuyuki Ishiguro, Osaka, JP;
Hirofumi Ozaki, Sakai, JP;
Takashi Maekawa, Osaka, JP;
Tetsuya Matsushita, Osaka, JP;
Kiyoshi Shibata, Osaka, JP;
Kiyoshi Morimoto, Osaka, JP;
Mita Industrial Co. Ltd., Osaka, JP;
Abstract
Toner collecting apparatus in which a toner collecting container for collecting toner remaining on the surface of a photosensitive drum in a copying machine or a facsimile machine is provided, at the lower side thereof, with a toner receiving port, a sponge roller for rotatingly feeding collected tone disposed adjacent the toner receiving port, and an optical detector for detecting that a predetermined amount or more toner has been collected in the toner collecting container. The optical detector, is disposed on the toner collecting container. At least those portions of the toner collecting container located opposite to the optical detector are made of a light-permeable material.