Geometrical instruments
Patent
1985-08-09
1987-03-24
Desmond, Eugene F.
Geometrical instruments
362427, 362432, F21S 100, H01R 4100
Patent
active
046520686
ABSTRACT:
The present invention is related to a hang-up device of the type comprising a metallic suspension rail and hooking-on sliders.
It is characterized in that it comprises at least two electrically conductive rails supplied with low-voltage current and isolated from each other, on which rails sliders are mounted that ensure the isolation between the rails, at least one of them being provided with two arms one end of which is hingedly connected to said slider or sliders, while the other one carries a light-carrying housing, at least two conductive arms being electrically connected each, on the slider side, to one of the rails and on the other side to the housing, thus ensuring the supply of the light-carrying housing with low-voltage current.
REFERENCES:
patent: 3642238 (1972-02-01), Kapnek
patent: 3856251 (1974-12-01), Miller
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