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:
Oct. 27, 2015
Filed:
Jul. 15, 2010
Atsushi Harada, Saitama, JP;
Kohki Kamagome, Saitama, JP;
Kiyotsugu Arai, Fujioka, JP;
HUSQVARNA ZENOAH CO., LTD., Saitama, JP;
NITTEI MUSEN CO., LTD., Gunma, JP;
Abstract
The present invention relates to a switch device () for use in hand-held power tools. The switch device () may include at least one chamber () whose interior serves as an accommodation space. The chamber () may partially encase an operational member () for actuating the hand-held power tool through the switch device (). Further, the switch device () is provided with multiple holes () on side walls () of the chamber () to create a passageway for external particulate materials. Also, a bottom surface () of the chamber () may be sloped to extend from an interior of the chamber () to each of the multiple holes (), to enhance the discharging of the external particulate materials through the holes ().