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. 25, 2003
Filed:
Oct. 13, 1999
Applicant:
Inventors:
Assignee:
Makita Corporation, Aichi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/10 ;
U.S. Cl.
CPC ...
H01M 2/10 ;
Abstract
A battery pack ( ) has a double casing structure, including an inner case ( ) disposed inside an outer case ( ). The inner case ( ) includes a radiator plate ( ) that is in contact with the side walls of battery cells ( ) disposed within the battery pack ( ). A forked air passage ( ) extends from an air inlet ( ) and is defined between the inner case ( ) and the outer case ( ) and along the outer surface of the radiator plate ( ) until reaching a pair of air outlets ( ).