| 摘要 |
<p>Passage means is provided for a hydraulic unit, in particular, a hydraulic unit including a plunger slidably fitted in a housing, a chamber formed with the housing and having a wall surface against which the plunger may abut, and a flow path opening into the surface which may be abutted by the plunger for communication with the chamber. The passage means is effective to maintain a communication between the chamber and the flow path. In accordance with the invention, a cap, which is separate from the plunger, is formed with a communication path and is fitted over the plunger to maintain a communication between the chamber and the flow path therethrough.</p> |
