Electricity: circuit makers and breakers – Combined with or actuated by connector coupling – Multiple circuit control – selective
Patent
1976-09-30
1977-07-05
Kozma, Thomas J.
Electricity: circuit makers and breakers
Combined with or actuated by connector coupling
Multiple circuit control, selective
200 6152, 200153A, H01H 3502
Patent
active
040341712
ABSTRACT:
This disclosure depicts a means for energizing a color television cathode ray tube during manufacture. In particular, this means for energizing a color television picture tube is for use with a tube having an envelope containing an electron gun assembly and a base attached to a neck of the envelope. The base has electrically conductive pins connected to elements of the electron gun assembly wherein a first of the pins on the base carries a relatively high focus potential of many kilovolts and a second of the pins carries a substantially higher main focus lens potential. The means for energizing the tube during the manufacture comprises a socket for coupling with the base on the tube wherein the socket has a lead attached to a source of high potential, the lead being characterized by having a switch. The switch has an electrically nonconductive casing filled with a dielectric fluid. An electrically conductive contact plate within the electrically nonconductive casing is connected to the socket by a first wire; and an electrically conductive chain within the electrically nonconductive casing has a first end connected to the high potential source by a second wire. The second end of the chain is free within the electrically nonconductive casing, and the chain is sufficiently long to contact the contact plate. The chain contacts the contact plate when the casing is in a first position wherein the socket is coupled to the base. A means is provided for supporting the switch in an inverted position after the socket is decoupled from the tube. This causes the chain to fall away from the contact plate and thus de-energize the socket.
REFERENCES:
patent: 1971585 (1934-08-01), Soreng
patent: 2198677 (1940-04-01), Mueller, Sr.
Marino Armando V.
Sora Albert
Garrett John R.
Kozma Thomas J.
Zenith Radio Corporation
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