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:
Jan. 30, 2018
Filed:
Feb. 24, 2015
Hiroaki Takagi, Kanagawa, JP;
Naoyuki Suido, Kanagawa, JP;
Keisuke Shimizu, Tokyo, JP;
Kimiharu Yamazaki, Kanagawa, JP;
Hiroaki Takagi, Kanagawa, JP;
Naoyuki Suido, Kanagawa, JP;
Keisuke Shimizu, Tokyo, JP;
Kimiharu Yamazaki, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A power transmission device includes coaxially a first rotary body including a first gear on a drive source side, a second rotary body including a second gear on a driven side, a third rotary body including a third gear movably held to transmit a driving force, and a guide member disposed at one of the first gear, the second gear, and the third gear to contact a first end surface of a gear tooth of another of the first gear, the second gear, and the third gear, serving as a mating gear, to guide the first end surface between teeth of the one of the first gear, the second gear, and the third gear. The guide member extends toward the mating gear and a tip of the guide member is placed at a distance from an end of the one of the gears in the axial direction.