Explosion protected socket and lamp for double base fluorescent

Details Explosion protected socket and lamp for double base fluorescent Explosion protected socket and lamp for double base fluorescent

1987-06-26

1989-05-09

Pirlot, David

Electrical connectors

Coupling part to receive fluorescent or neon lamp

Plural lamps

439136, 439259, 439367, 439188, H01R 3302

Patent

active

048285080

ABSTRACT:
An explosion protected socket of the ignition protected type for double pin base fluorescent bulbs including a protected clamping device for securing the socket pins against coming loose and associated electrical connecting structure configured so that a receiving element provided with insertion openings for the socket pins is mounted to be movable within limits in the socket housing. The clamping device is coupled to an actuating device which becomes active jointly for both socket pins. A locking device which is positively coupled to the clamping device is disposed at the receiving element and is equipped with at least one locking element which is movable between an active position and an inactive position to hold the socket pins at a predetermined safety distance from voltage carrying parts of the electrical connecting structure. The locking element is automatically controlled by a sensing device in the locking device so that the locking element, which is moved to its inactive position if the clamping device is released, is held in its active position if the clamping device is not released and socket pins are absent or in an improper position.

REFERENCES:
patent: 2356601 (1944-08-01), McCarthy
patent: 2569662 (1951-10-01), Fallek
patent: 2690543 (1954-09-01), Mackensen
patent: 3436716 (1969-04-01), Amis, Jr. et al.
patent: 3692994 (1972-09-01), Hirschman et al.
patent: 4283102 (1981-11-01), Richier

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