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:
Nov. 20, 2007

Filed:

Aug. 19, 2003
Applicants:

Yoshimasa Hayama, Ibaraki, JP;

Daisuke Kakegawa, Ibaraki, JP;

Syuichi Okada, Fukushima, JP;

Hidekazu Harada, Kanagawa, JP;

Shigeru Shinohara, Ibaraki, JP;

Inventors:

Yoshimasa Hayama, Ibaraki, JP;

Daisuke Kakegawa, Ibaraki, JP;

Syuichi Okada, Fukushima, JP;

Hidekazu Harada, Kanagawa, JP;

Shigeru Shinohara, Ibaraki, JP;

Assignee:

Hitachi Koki Co., Ltd., Minato-ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dust collector includes: a motor functioning as a driving source; a drive unit for driving a motor; a dust collection fan rotated by the motor; a head section for accommodating the dust collection fan; a switch provided on the head section to control the starting of the motor; a tank section located below the head section, for accommodating dust conveyed by the dust collection fan, the tank section having a connecting portion; a duct hose having one end and the other end, the one end attached to the connecting portion, the other end being detachable from a portion of a power tool; a remote-control transmitter for transmitting a signal; and a remote-control receiver for receiving the signal from the remote-control transmitter to control the drive unit to start or stop the motor.


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