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 7756448 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 13, 2010

Filed:

Jun. 25, 2008
Applicant:

Takeshi Marumoto, Osaka, JP;

Inventor:

Takeshi Marumoto, Osaka, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/16 (2006.01); F16H 13/06 (2006.01); F16H 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A traction-drive force transmission mechanism, includes a sun roller rotatable about a first axis and a plurality of shafts. Each is disposed on an adjacent axis inclined relative to the first axis. Planetary rollers are disposed along an outer peripheral surface of the sun roller and are supported respectively by the shaft. A carrier holds each of the shafts in the inclined posture and is adapted to be rotated about the first axis together with the planetary rollers. A pressing member pressingly moves each planetary roller in a direction for reducing a distance to the first axis so as to press each planetary roller against the outer peripheral surface of the sun roller. Thus a driving force can be transmitted to a traction force between the sun roller and each of the planetary rollers.


Find Patent Forward Citations

Marumoto, Takeshi. (2010). Traction-drive type driving-force transmission mechanism and image forming apparatus equipped therewith (U.S. Patent No. 7756448). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7756448

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