| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a driving machine having an action mode switching mechanism, which does not have a complicated structure, inside a trigger. <P>SOLUTION: A nailing machine includes: a push lever 320 movable between a top dead center and a bottom dead center; a valve member 242 movable in almost the same direction as the transferring direction of the push lever 320; a push lever plunger 250 pushing up the valve member 242 and opening a push lever valve 240; and a switching knob 254 for allowing a member pushing up the valve member 242 to be switched to the plunger 251 of the rigid member or the spring 253 of the elastic body of the push lever plunger 250. When the plunger 251 pushes up the valve member 242 by the switching knob 254, driving is enabled irrespective of the order of the pushing operation of the push lever 320 and the pulling operation of the trigger 210. When the spring 253 pushes up the valve member 242, driving is enabled only when the pulling operation of the trigger 210 is carried out after the pushing operation of the push lever 320. <P>COPYRIGHT: (C)2012,JPO&INPIT |
