OIL FREE HEAD VALVE FOR PNEUMATIC NAILERS AND STAPLERS
摘要
<p>The present invention provides a head valve assembly for a pneumatic fastener including a piston assembly reciprocated within a cylinder assembly for driving a fastener and a housing having an end cap for at least partially enclosing the head valve assembly. The head valve assembly includes a valve piston for causing supply pressure to be ported to the piston assembly for moving the piston assembly within the cylinder assembly from a non-actuated position to an actuated position for driving the fastener. Further, an inner cap is disposed within the end cap around the valve piston. The inner cap includes an inlet port for porting pressure to the valve piston. In addition, a main seal is coupled to the valve piston for sealing the cylinder assembly from supply pressure while pressure is ported to the valve piston by the inner cap for holding the piston assembly in the non-actuated position.</p>
申请公布号
WO2005082579(A1)
申请公布日期
2005.09.09
申请号
WO2005US05876
申请日期
2005.02.22
申请人
BLACK & DECKER INC.;SCHNELL, JOHN, W.;WALL, DANIEL, PAXTON;TERRELL, TIMOTHY, E.;GOODWIN, DANIEL, U.;ROSE, BARBARA, A.