| 摘要 |
PURPOSE: To enable dispensing of a fixed quantity of a fluid product as well as rapid switching of a dispensing unit by providing an engagement means that is mounted on a measuring dispensing unit and an actuator unit, and that demountably fixes the former to the latter in mutual cooperation. CONSTITUTION: A dispensing unit 22 can selectively be mounted and demounted from an actuator unit 26 and becomes inseparable once joined because a setscrew 124 tightly fits an annular groove 122. Besides, at the tip portion of an extension 62, provided at the tip of a shaft 90 is a T-shaped male connector 126 that engages with a female slot 128. When the dispensing unit 22 is inserted into the working portion 26, the T-shaped connector 126 is adjusted so as to properly fit the slot 128, a stem 60 becomes inseparable from the actuator shaft 90 when turning the T-shaped connector 126 by 90 deg. to be properly oriented, and the stem and shaft jointly work to move along the longitudinal axis of the measuring device 20. Usually, the setscrew 124 does not fit to the annular groove 122 until the T-shaped connector 126 perfectly engages the slot 128. |
