Electricity: circuit makers and breakers – Special application – Liquid or moisture responsive
Patent
1976-08-30
1978-09-26
Engle, Samuel W.
Electricity: circuit makers and breakers
Special application
Liquid or moisture responsive
200 68, H01H 1300
Patent
active
041172841
ABSTRACT:
A subminiature, three position switch has a rocker, or see-saw, moveable contact which is free of conventional side tabs and tab guides, these being precluded by the limited space available. Instead, the rocker arm is of uniform cross section except for a pair of lateral grooves in the under face, each on an opposite side of a central depression, for the tip of the actuator rod. A U-shaped support means, electrically connected to the common central terminal, has a pair of upstanding, legs, or blades, each arranged to be received in one of the grooves to prevent longitudinal sliding of the contact arm, when tilted.
REFERENCES:
patent: 3581033 (1971-05-01), Plumb
patent: 3604868 (1971-09-01), Batcheller
patent: 3670116 (1972-06-01), Cryer
patent: 3746359 (1973-07-01), Lewis
Kirchoff Francis D.
Washburn Ellis K.
Alco Electronic Products, Inc.
Engle Samuel W.
Palo Ralph
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