Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Vacuum or hermetically sealed type
Patent
1982-12-16
1984-02-21
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Vacuum or hermetically sealed type
200 6145R, 200DIG29, 335280, H01H 166, H01H 5100
Patent
active
044333170
ABSTRACT:
A miniaturized switch particularly suitable for electronic keyboard control applications has a pair of contact members providing spaced contacts, a conductive floating contactor disposed in the space between such contacts adapted to engage both of the contacts to close the switch, a resilient sleeve enclosing the contacts and the space therebetween to encircle the contactor, and actuator means to displace the contactor within the sleeve relative to the contacts to effect closing of the switch.
REFERENCES:
patent: 1964954 (1934-07-01), Leins
patent: 2921163 (1960-01-01), Pfleiderer
patent: 3790732 (1974-02-01), Slamecka et al.
patent: 3812308 (1974-05-01), Bell et al.
patent: 3889774 (1975-06-01), Schwenk
patent: 3927286 (1975-12-01), Fohl
patent: 4115995 (1978-09-01), Brien
Broome Harold
Mechanical Enterprises, Inc.
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