Patent · US Active

Gear transmission device, process unit including the gear transmission device, and image forming apparatus including same

US9322458B2 · kind B2 · utility

11Cited by

9References

15Claims

0Family size

Assignee

RICOH COMPANY, LTD. · JP

Inventors

Naoki Matsuda · Anjo, JP
Masahiro Ishida · Tokyo, JP
Shinya Shimizu · Yokosuka, JP

Key dates

Filing date	Feb 28, 2014
Grant date	Apr 26, 2016
Priority date	—
Expiry date	Feb 28, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19679
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A gear transmission device includes a drive rotator and a driven external gear. The drive rotator includes a drive internal gear to rotate about a rotary shaft. The driven external gear meshes with the drive internal gear to transmit a drive force to a drive target.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.