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. 22, 2003
Filed:
Jun. 13, 2000
Applicant:
Inventors:
Keiji Kimura, Yokohama, JP;
Kuniaki Nakada, Yokohama, JP;
Assignee:
Komatsu, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 1/104 ;
U.S. Cl.
CPC ...
G10K 1/104 ;
Abstract
A noise reduction structure for a cab of a working vehicle, by which a high degree of noise reduction effectiveness can be surely obtained, is provided. For this purpose, the noise reduction structure has a configuration in which a sound-insulating chamber (A; B; C) adjacent to a cab ( ) is provided at a position of at least one of the following: under a floor ( ) of the cab ( ), behind a rear wall of the cab ( ), and at a side of a side wall of the cab ( ).