| 摘要 |
PURPOSE:To lower a height from an external flange to an upper face of a push-down head at an upper end of an operating member to reduce an entire height when an ejector is mounted on a container. CONSTITUTION:An inner diameter of an upper part of a cylinder is expanded to two stages of middle and large, a first engaging protrusion 4 is provided around the middle diameter part, and a plurality of second engaging protrusions 6 are vertically provided around the large diameter part. An outer periphery of a second external flange 27 protruding from a middle of a cylinder 26 with a stem 16 of an operating member 15 inserted is mounted on an internal flange 2 in a mounting cylinder, a third engaging protrusion 28 provided on a lower half of the cylinder is engaged with a lower face of the first engaging protrusion, and a fourth engaging protrusion 29 is engaged with the second engaging protrusion to have them engaged with each other. Then a male screw 30 on an upper half of the cylinder is screwed into an inner face of a peripheral wall 22 of a push-down head. |
