Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1977-10-03
1979-02-06
Hall, George T.
Electricity: circuit makers and breakers
Liquid contact
Time delay
H01H 300
Patent
active
041386035
ABSTRACT:
Plunger on a microswitch is provided with ball means arranged so that the ball means will move the plunger when contacted by a switch actuator moving in an axial direction or moving in any radial direction or combination of same.
REFERENCES:
patent: 2547765 (1951-04-01), Lund
patent: 2742544 (1956-04-01), Lovick
patent: 3578930 (1971-05-01), Tiefenthaler
Hall George T.
Mechanical Service Co. Inc.
Olsson Frederick J.
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