| 摘要 |
<p>PURPOSE:To provide time intervals for on/off operations of a single pressure detecting switch fitted onto a piston type accumulator itself. CONSTITUTION:A pressure detecting switch 12 is fitted onto a cylinder main body 1. A slider 11 turning the switch 12 on/off is housed in a slider housing space 10 formed around the outer circumference of a piston 2 with a definite gap C interspaced with the wall surface in the axial direction of the slider housing space 10 in such a way that the slider can be moved in the axial direction. Since delay in action equivalent to the gap C happens to the slider 11 when the piston 2 is moved as the pressure of an oil cylinder 3 is changed, time intervals are thereby provided for on/off operations of the switch.</p> |
