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公开(公告)号：US4038619A
公开(公告)日：1977-07-26
申请号：US618579
申请日：1975-10-01
CPC分类号： H01H50/68
摘要： A pneumatic timer translating the external force of an electromagnetic relay or the like into rotational movement of a camshaft to actuate a set of switch contacts. The rotation of the camshaft is retarded in one direction by an adjustable pneumatic one-way time delay mechanism. The timer is capable of two modes of operation, on delay and off delay, according to choice of camshaft configuration and orientation.
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