Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1986-10-24
1988-02-16
Goldberg, E. A.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335122, 335126, 335190, H01H 6702, H01H 6706
Patent
active
047258012
ABSTRACT:
A bistable solenoid switch has a plunger and associated movable contact adapted for controlled reciprocation by a coil and bobbin assembly to either of two stable states not requiring sustained energization of the coil. The movable contact is biased toward one of the stable states, for example, "Contacts Closed" in which a pair of stationary contacts are engged by the movable contact. The bobbin is provided with one or more radial projections extending into its core for serving a detenting function with respect to a land formed on an end face of the plunger. When the bobbin projection is engaged by the plunger land, it is prevented from displacing the movable contact into engagement with the stationary contact, and the second, or "Contacts Open", state exists. Means are also provided for translating axial displacement of the plunger into angular displacement for moving it into and out of the detented engagement with the bobbin projection. The displacement translating means may include camming arrangements involving the plunger, the bobbin projection and a third member.
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Donovan Lincoln
Goldberg E. A.
Hamilton Standard Controls Inc.
Schneeberger Stephen A.
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