Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1994-01-18
1996-05-21
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
335177, 361 42, H01H 7300
Patent
active
055193684
ABSTRACT:
A compact coil assembly is provided for protecting electrical components from transient voltage surges. The assembly includes a bobbin having a cylindrical core with two ends. A first and second flange are each perpendicularly mounted and extended outwardly from one of the ends. A lead pin is perpendicularly upstanding on the top surface of the first flange. The first flange has a parallel outer and inner wall defining a channel therebetween. The inner wall has a slot therethrough. The slot is open at one end to the top surface of the first flange and extends downward to the core. The slot is positioned on the top surface of the first flange opposite the lead pin. The channel extends from the lead pin across to the end of the slot near the core. The width of the channel and the slot are adapted for guiding a winding wire therethrough.
REFERENCES:
patent: 3018418 (1962-01-01), Conrad
patent: 3975721 (1976-08-01), Franz
Haun Andy A.
Heise James A.
Volesky Gary A.
Zylstra Henry J.
Donovan Lincoln
Golden Larry I.
Irfan Kareem M.
Square D Company
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