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:
Mar. 08, 2011
Filed:
Jul. 04, 2008
Shogo Kimura, Ritto, JP;
Hajime Ishii, Higashiomi, JP;
Hiroshi Tabeta, Konan, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
A seat support platform () is provided on a floor panel () of a floor member () of a cab (). An air conditioner unit () is installed internally of the seat support platform (). An under floor duct () is provided on the lower side surface (C) of the floor panel () to form an external air induction passage () to guide external air from outside of the cab () toward an external air intake port (H) of the air conditioner unit (). Under floor duct () can be provided integrally with the floor member () without protrusion to the lower side, and the under floor duct () can supply cool external air into the cab (). Even in the case of a small size hydraulic excavator, the under floor duct () can be provided integrally on the floor member () to secure broader space in the cab ().