Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Contact-actuating means
Patent
1976-10-26
1978-05-02
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Contact-actuating means
335189, H01H 300
Patent
active
040877710
ABSTRACT:
An electrical switch is disclosed herein which comprises a member rotatably mounted upon a support and having contact arms connected thereto. The member has a first position in which the contact arms touch contacts mounted to the support, and a second position rotated from the first position in which the contact arms are spaced apart from the contacts. A T-bar is slidably mounted upon the support and is operable to move the member between the first and second positions. The T-bar includes a cross member which has lipped ends positioned and sized to engage certain surfaces of the member. A solenoid and a spring are associated with the T-bar and are operable to move the T-bar in first and second, opposed directions, respectively. As the T-bar moves in the second direction, one end of the cross member engages a surface of the rotatable member and moves the member from one position to the other. In a particular embodiment of the present invention, the solenoid is connected to the low voltage side of a transformer which is connected at its high voltage side to an electrical power source. a pushbutton or other switch is connected between the solenoid and the transformer to permit momentary activation of the solenoid to change the position of the rotatable member.
REFERENCES:
patent: 2874244 (1959-02-01), Hamblett et al.
patent: 3482192 (1969-12-01), Walker
patent: 3641466 (1972-02-01), Ernst
patent: 3766501 (1973-10-01), Hotte et al.
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