Illumination – Supports – Adjustable light support
Patent
1976-08-27
1977-12-27
Envall, Jr., R. N.
Illumination
Supports
Adjustable light support
362420, F21M 318, F21S 102
Patent
active
040658066
ABSTRACT:
A searchlight or the like comprising a base, a housing rotatable horizontally and accommodating one or more lamps and reflectors, and a planetary rotation mechanism provided between the base and the housing to rotate the housing. A support frame carrying lamps and reflectors thereon is pivotally connected within the housing for vertical tilting movement centering around a horizontal axis passing through focal points of the reflector. The irradiation angle can be easily varied by tilting upwardly or downwardly the supporting frame without tilting the heavy housing. The circumferential position of irradiation can be changed by operating the planetary rotation mechanism which is compact in size.
REFERENCES:
patent: 1686452 (1928-10-01), Hoefler
patent: 2487591 (1949-11-01), Ricci
patent: 3209136 (1965-09-01), Fisher
patent: 3644728 (1972-02-01), Hessemer et al.
Envall, Jr. R. N.
Sanshin Dengu Manufacturing Co., Ltd.
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