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:
Apr. 16, 2002
Filed:
Jan. 04, 2001
Junichi Miyamoto, Togane, JP;
Maruyama Mfg. Co., Ltd., Tokyo, JP;
Abstract
A portable power working machine has an L-shaped frame, a centrifugal blower fixed on a frame in a state that an intake port is opposed to a upright portion of the frame, and a cover having an upper portion spanned between an upper portion of the upright portion of the frame and the centrifugal blower and side portions extending from respective ends of the upper portion to a horizontal portion of the frame and spanned between a side portion of the upright portion and the centrifugal blower. A plurality of through-holes are formed in the upper portion of the cover, the through-holes communicating an interior space defined by the frame, the centrifugal blower and the cover with an exterior space on an outside of the interior space and having a size to block foreign matter in size greater than a predetermined value from passing through.