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.:
Date of Patent:
Jan. 03, 2012
Filed:
Dec. 14, 2009
Isao Inagaki, Kanagawa, JP;
Junichi Nishikimi, Aichi, JP;
Akira Tomonaga, Aichi, JP;
Satori S-Tech Co., Ltd., Tokyo, JP;
Makita Corporation, Aichi, JP;
Abstract
In a trigger switch having a normal and reverse switching lever configured to switch the direction of rotation of a motor, a case is formed with a speed control unit storage chamber for storing a speed control unit, a revolving shaft storage chamber for storing a revolving shaft of the switching lever and a contact strip member storage chamber with continuing from the revolving shaft storage chamber through a shielding member therebetween for storing contact strip member of the switching lever, the revolving shaft storage chamber is formed with a revolving shaft engaging hole configured to allow the revolving shaft to be inserted in an engaged state on an upper portion thereof on the side of the trigger lever, and a waterproof device for covering at least a gap between the switching lever and the revolving shaft engaging hole is provided to prevent entry of water therein.