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.:

US 8380110 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 19, 2013

Filed:

May. 17, 2010
Applicant:

Hiroshi Yuasa, Tokyo, JP;

Inventor:

Hiroshi Yuasa, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A drive transmission device includes: a driving member configured to rotate by a first electric current and having an attracting portion configured to generate magnetic force by a second electric current; a driven member having an attracted portion, the attracted portion facing the driving member and configured to be attached to the attracting portion by the magnetic force, so that the driven member integrally rotates with the driving member when the attracting portion is coupled to the attracted portion; and a controller configured to control the first electric current and the second electric current, the controller configured to apply the first electric current and then the second electric current.


Find Patent Forward Citations

Quick Actions:

Yuasa, Hiroshi. (2013). Drive transmission device and image forming apparatus (U.S. Patent No. 8380110). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8380110

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…