Title:
燃焼式打込み工具
Document Type and Number:
Japanese Patent JP4395841
Kind Code:
B2
Abstract:
A combustion-powered, fastener-driving tool includes a cylinder and a combustion chamber disposed on top of the cylinder that accommodates a gaseous mixture of existing air in the combustion chamber and fuel injected therein. A spark plug generates a spark to combust the gaseous mixture in the combustion chamber. A trigger produces the spark in the spark plug when operated. A piston is movably supported in the cylinder and driven by combustion in the combustion chamber. A driving blade is coupled to the piston for driving a fastener. A spark controller is provided for generating a plurality of sparks in succession with the spark plug.
Inventors:
Haruhisa Fujisawa
Mitaka Akiba
Nobuhiro Takano
Kenmaru Ishimaru
Tomomasa Nishikawa
Mitaka Akiba
Nobuhiro Takano
Kenmaru Ishimaru
Tomomasa Nishikawa
Application Number:
JP2004284101A
Publication Date:
January 13, 2010
Filing Date:
September 29, 2004
Export Citation:
Assignee:
Hitachi Koki Co., Ltd.
International Classes:
B25C1/08; F02P3/06; F02P15/10
Domestic Patent References:
| JP10281468A | ||||
| JP2004074298A | ||||
| JP63183238A | ||||
| JP2004138073A | ||||
| JP63207569A |
Attorney, Agent or Firm:
Hiroshi Izawa