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. 25, 2018
Filed:
May. 25, 2016
Narumi Sugita, Kanagawa, JP;
Masahiro Ishida, Kanagawa, JP;
Shogo Sakamoto, Kanagawa, JP;
Naoki Matsuda, Kanagawa, JP;
Narumi Sugita, Kanagawa, JP;
Masahiro Ishida, Kanagawa, JP;
Shogo Sakamoto, Kanagawa, JP;
Naoki Matsuda, Kanagawa, JP;
RICOH COMPANY, LTD, Tokyo, JP;
Abstract
A drive transmitter includes an internally toothed gear, a first support shaft to rotatably support the internally toothed gear without using a bearing, a drive source to apply a driving force to the internally toothed gear, a rotary body to which the driving force is transmitted via the internally toothed gear, and a grease retainer disposed on the first support shaft and to retain grease on at least one of a portion of the first support shaft facing the internally toothed gear and a portion of the internally toothed gear facing the first support shaft. An image forming apparatus includes the drive transmitter.