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.

Date of Patent:
Mar. 13, 2007

Filed:

Feb. 22, 2005
Applicants:

Shigemitsu Tomita, Yokohama, JP;

Masanobu Kawamoto, Yokohama, JP;

Inventors:

Shigemitsu Tomita, Yokohama, JP;

Masanobu Kawamoto, Yokohama, JP;

Assignee:

Nifco Inc., Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 11/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A clutch device for transmitting drive power to a transmission-receiving member includes a main shaft; an input side rotating body; an output side rotating body; an inner sleeve body; an outer sleeve body; a braking device; a first coil spring; a first main connection part; a second main connection part; a first sub connection part; a second sub connection part; a first cam surface; a second cam surface; a first catching surface; a second catching surface; an outermost cylinder body; and a second coil spring. Non-transmitting condition can be surely set even if an input side rotational force is small.


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