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. 10, 2009
Filed:
Oct. 04, 2006
Yoshitaka Akiba, Hitachinaka, JP;
Tomomasa Nishikawa, Hitachinaka, JP;
Kunio Yamamoto, Hitachinaka, JP;
Shinki Ohtsu, Hitachinaka, JP;
Haruhisa Fujisawa, Hitachinaka, JP;
Yoshitaka Akiba, Hitachinaka, JP;
Tomomasa Nishikawa, Hitachinaka, JP;
Kunio Yamamoto, Hitachinaka, JP;
Shinki Ohtsu, Hitachinaka, JP;
Haruhisa Fujisawa, Hitachinaka, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
A combustion-type power tool includes a housing, a cylinder head disposed at one end of the housing, a cylinder in the housing, a piston slidably disposed in the cylinder, and a driver blade connected to the piston. A combustion-chamber is provided in the housing, a fan is disposed in the combustion chamber, and a motor having an output shaft is coupled to the fan. A motor holder accommodates the motor, and the cylinder head is formed with a motor holder receiving portion in which the motor holder is slidably movably disposed. An elastic member is disposed in a gap formed between the motor holder and the motor holder receiving portion.