| 摘要 |
The present invention relates to a novel outlet air muffler for air-powered transportable driving tools such as nailers. The muffler includes an outlet air duct formed in a housing endpiece and the top lid of the nailer. The outlet air duct is made up of two like chamber systems whose chambers are joined together by wall hollows. The chambers are furthermore interconnected through holes leading from the outlet side of the main control valve. |
