Light radiator

Details Light radiator Light radiator

1985-08-26

1987-11-24

Feinberg, Craig R.

Illumination

Revolving

362 96, 362223, 362318, 362805, 350486, 350632, 350 961, 350258, 417534, 417557, F21V 704

Patent

active

047093048

ABSTRACT:
A light radiator for diffusing and radiating light rays, transmitted through an optical cable or the like, outside of the optical conductor cable, includes a transparent cylinder, an optical conductor for guiding light rays into the cylinder, an optical means movably accommodated in the cylinder for reflecting and radiating the light rays, and a driving device for moving the optical means along the axial direction of the cylinder. The driving device includes first and second liquid pumps comprising a piston cylinder, a driving mechanism for reciprocally moving the pistons, a first liquid-supplying pipe connected with one end portion of the cylinder through one end wall of the first liquid pump, a second liquid-supplying pipe connected with the other end wall of the cylinder through one end wall of the second liquid pump, optical oil placed in the liquid pump and cylinder, the first liquid pump discharging the optical oil outside thereof and the second liquid pump sucking the same from the cylinder at the time of operating the liquid pump.

REFERENCES:
patent: 969847 (1910-09-01), Davis
patent: 2023250 (1935-12-01), Stalder
patent: 2472647 (1949-06-01), Covins
patent: 2627251 (1953-02-01), Sprague et al.
patent: 4443163 (1984-04-01), Gaither

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