Buckles – buttons – clasps – etc.
Patent
1974-10-15
1976-03-30
Greiner, Robert P.
Buckles, buttons, clasps, etc.
240 5111R, F21L 300
Patent
active
039476782
ABSTRACT:
A fluorescent lantern includes a tubular extruded body portion closed with two covers at the respective opposite ends, one of which is removably mounted. A planar reflector, which extends along the length of the enclosure proximate to a curved side in the form of a lens, includes a tab at one end thereof to which the collector tab of an output transistor is mounted, the reflector tab acting as a heat sink for maintaining the output transistor at a low operating temperature. A fluorescent bulb extends along the length of the enclosure and is disposed between the curved lens and the reflector to enhance the amount of light transmitted through the lens. Electrical terminals and a switch are connectable to a source of direct voltage, either external or to batteries housed within the enclosure, and a circuit is disposed within the enclosure for converting the direct voltage into an alternating voltage suitable for energizing the fluorescent bulb when applied across the latter. Electrical contacts are provided for facilitating removal of the cover by completing and interrupting the electrical continuity between the switch and the circuit means when the cover is respectively mounted and removed from the enclosure. The circuit means is controlled by the switch in the mounted condition of the cover. In this manner, the bulb may be energized and light emitted through the lens when the terminals are connected to a source of electrical energy and the switch is moved to the actuating position thereof.
REFERENCES:
patent: 2413599 (1946-12-01), Beck
patent: 2435164 (1948-01-01), Sobel
patent: 2492837 (1949-12-01), Briggs
patent: 3283144 (1966-11-01), Rogers
patent: 3331958 (1967-07-01), Adler
patent: 3435206 (1969-03-01), Swanson
patent: 3604920 (1971-09-01), Niles
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