Lighting fitting

Details Lighting fitting Lighting fitting

1984-08-22

1986-06-24

Feinberg, Craig R.

Illumination

With static structure

362267, 362363, 362374, 200 5109, 339 75R, F21S 102

Patent

active

045970327

ABSTRACT:
A lighting fitting for hazardous areas comprises a central hub. Each lateral face of the hub incorporates a connector into which a module containing control equipment for the fitting may be housed. A further connector is disposed in the underside of the hub to receive the lamp. The hub houses a microswitch, which may be flameproof, through which the power supply to the connector is controlled. Springs in the connectors, a locking plate and an actuator shaft combine to prevent operation of the microswitch unless and until a lamp and all modules are connected to their respective connectors. This construction aids manufacturing flexiblity and economy and enhances safety.

REFERENCES:
patent: 3168624 (1965-02-01), Healy
patent: 3432629 (1969-03-01), Field et al.
patent: 3723724 (1973-03-01), Appleton
patent: 4142179 (1979-02-01), Lowndes
patent: 4298919 (1981-11-01), Karasawa
patent: 4388681 (1983-06-01), Meyer

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