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:
Sep. 10, 1991
Filed:
Jul. 16, 1990
Tateki Oka, Toyohashi, JP;
Naoki Toyoshi, Toyohashi, JP;
Hiroshi Goto, Toyokawa, JP;
Hirofumi Hasegawa, Hatano, JP;
Kenji Miyashita, Aichi, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
A developing device having a toner carrying member for transporting toner to a photosensitive member, a toner supplying member facing to the toner carrying member with an opening therebetween for supplying toner to the toner carrying member and a seal member for substantially closing a toner path. In the developing device a scraping member is further provided in contact with the toner supplying member to scrape the toner therefrom and an accommodating space is formed by the toner carrying member, toner supplying member, seal member and scraping member. Thus the toner transported by the toner supplying member is accommodated in the accommodating space and then supplied to the toner holding member under pressure accompanied by the increase of the toner accommodated therein, whereby an adequate quantity of toner is supplied for development.