| 摘要 |
A coupling assembly for a compressed air circuit has locking means (16, 18) for releasably engaging first and second sub-assemblies (12, 14) located at respective ends of first and second air lines. The first air line is connected to a tool adapted for compressed air operation, and the second air line is connected to a supply of compressed air. A valve means (24) controls the flow of compressed air between the first and second air lines. The valve means is connected to the second sub-assembly (14) and is slidably movable between a first position where it allows compressed air flow, and a second position where it prevents compressed air flow. The coupling assembly has stop means (30, 32) for preventing disengagement of the first and second sub-assemblies (12,14) when the valve means (24) is in the first position.
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