Title:
COMBUSTION TYPE NAILING MACHINE
Document Type and Number:
Japanese Patent JP2005319548
Kind Code:
A
Abstract:
To make a nailing machine usable longer by effectively cooling the external wall of a cylinder getting very hot by the accumulation of heat in explosion combustion if nailing work is continuously performed.
Fins 50 provided at the external wall 4 of the cylinder 4 are shaped toward an exhaust port 3 which gets hottest, to efficiently cool the vicinity of the exhaust port 3, and fins 52, 53 provided near the exhaust port 3 and facing along a vertical direction are provided alternately along a circumferential direction and arranged in zigzag shape to improve the cooling performance of the fins 52, 53.
Inventors:
HIRAI SHOICHI
AKIBA YOSHITAKA
NISHIKAWA TOMOMASA
AKIBA YOSHITAKA
NISHIKAWA TOMOMASA
Application Number:
JP2004140267A
Publication Date:
November 17, 2005
Filing Date:
May 10, 2004
Export Citation:
Assignee:
HITACHI KOKI KK
International Classes:
B25C1/08; (IPC1-7): B25C1/08
Domestic Patent References:
JPH068158A | 1994-01-18 | |||
JPH01139019U | 1989-09-22 | |||
JP2003222486A | 2003-08-08 | |||
JP2002147894A | 2002-05-22 | |||
JP2003236768A | 2003-08-26 | |||
JP2000314316A | 2000-11-14 |