| 摘要 |
A hanger on which one or a plurality of electric lamps is slidably positionable along an elongated housing having non-electrified rails. The hanger includes a different resiliently extensible helical electrical cord to supply electric power to each lamp. Each helical cord is longitudinally disposed within the housing; when there is more than one lamp, the helical cords of the additional lamps are each disposed in a separate container within the housing to prevent entanglement of the cords when the positions of the lamps are adjusted. The helical cords in their relaxed positions have a diameter greater than the width of a slot in the housing so that the helical cord cannot protrude or fall from the housing. The present hanger allows installation of the unit without the services of an electrician, and because the lamps can slide on the rails, the position of each lamp is fully adjustable longitudinally of the housing. The lamps are swiveledly mounted so that any desired disposition or orientation of light emanating from the unit may be attained. The unit may be used with standard electric light bulbs, spotlights, floodlights or with any other type of electric lamp.
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