| 摘要 |
A pressure switch assembly in which the switch is actuated by a pressure responsive diaphragm which is held in assembled relation with the diaphragm bowl by a resilient seal ring and by a cap which is fastened to the switch base, the peripheries of the diaphragm and its bowl being sealingly engaged under the clamping force which deforms the seal ring, without a bond between or at the peripheries of the diaphragm and its bowl.
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