| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a spray gun prevented from internally freezing.SOLUTION: When a handle 4 is returned, a drawbar 5 is returned to restore an initial position by the elastic force of a spring, and a contact part between a cone part of the drawbar and a long-distance stop cock 2 moves. The long-distance stop cock 2 is raised by the elastic force of a stop spring 9, and a stop board 8 is sealed by a water cutoff ring 1 thereby to stop the inflow of water into the inside of a gun 3.</p> |
