| 摘要 |
A pressure switch assembly comprising a bellows expansible in response to a working pressure, an L-shaped actuating plate pivotably responsive to the expansion of the bellows and actuating a microswitch, an adjustable compression spring arranged against the bellows, an adjustable tension spring connected against the compression spring through the actuating plate and a stopper of the tension spring. The arrangement of the tension spring, the actuating plate and the stopper is simplified by making the spring directly connect with the actuating plate to eliminate a connection member.
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