| 摘要 |
<p>The dispensing device (4) has a lock (20) which is moved from an inactive state to an active state by the application of a force to a push button (12) in the activating direction in order to displace the push button in relation to a main body in the opposite sense to that in which it is pressed in. The push button is depressed in relation to the main body in the activating direction to control the dispensing of fluid. The lock prevents the push button from being depressed in the activating direction when in the active state.</p> |
