Geometrical instruments
Patent
1973-12-05
1976-08-10
Lake, Roy
Geometrical instruments
200 50B, 317113, 339 24, H01R 1360
Patent
active
039738183
ABSTRACT:
The invention relates to a prefabricated electrical supply device comprising an earthed conductor duct including a sheath which is formed generally into the shape of a "G", and which preferably contains, on only one side, an electrical insulating member provided with slots parallel to the back of the sheath at the bottom of which slots are situated two main conductors and auxiliary conductors. The device includes at least one junction-box incorporating a pivotable shaft which, in operation, is generally perpendicular to the back of the sheath, which serves both to mechanically secure the junction-box to the sheath, and also to make the electrical connections for power and remote control via contact members and a printed circuit board.
REFERENCES:
patent: 2906808 (1959-09-01), Krauss
patent: 3531758 (1970-09-01), Blumkin
patent: 3757273 (1973-09-01), Hesse
patent: 3760133 (1973-09-01), Howard
patent: 3786394 (1974-01-01), Koenig et al.
patent: 3794955 (1974-02-01), Bertrams
Abrams Neil
Drucker William A.
Lake Roy
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