Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Contact-actuating means
Patent
1995-06-30
1996-10-22
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Contact-actuating means
335177, H01H 300
Patent
active
055681131
ABSTRACT:
A magnetic type power switch includes a base, a battery received in the base, a body detachably covering the base and the battery, a slider movably received in the body, and a magnetic element. The body has a first hollow pin which has a wire soldered therein and is in contact with a negative end of the battery, a contact ring coupled to the body by a second hollow pin having another wire soldered therein, a spring disposed on the ring and in contact with the slider. When the magnetic element approaches the base of the power switch, the slider is induced to move downward to contact a positive end of the battery thereby turning on the power. When the magnetic element is moved away, the slider is biased to move upward to disconnect the battery and thereby turning off the power.
REFERENCES:
patent: 3739117 (1973-07-01), Melton
patent: 3864173 (1975-02-01), Butschkau
patent: 5453724 (1995-09-01), Seymour et al.
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