B - Operations – Transporting – 25 – D
Patent
B - Operations, Transporting
25
D
B25D 17/24 (2006.01) B25C 1/08 (2006.01) B25F 5/00 (2006.01)
Patent
CA 2503226
A combustion-type nail driver uses a motor for driving a fan. A motor holder formed from plastic accommodates the motor. A cylinder head has a motor holder receiving portion in which the motor holder is slidably movably disposed. A coil spring has one end secured to the motor holder and another end secured to the cylinder head to thereby support the motor holder. Initial acceleration applied to the motor when combustion occurs can be suppressed and impact imparted upon the motor can also be suppressed by friction between the outer periphery of the motor holder and the inner periphery of the motor holder receiving portion. A heat shielding plate is interposed between the lower end surface of the motor and the cylinder head in order to prevent hot air combustion gas from entering into the motor.
Akiba Yoshitaka
Fujisawa Haruhisa
Nishikawa Tomomasa
Ohtsu Shinki
Yamamoto Kunio
Hitachi Koki Co. Ltd.
Riches Mckenzie & Herbert Llp
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