Ceiling lamp holder to accept a non-incandescent lamp

F - Mech Eng,Light,Heat,Weapons – 21 – S

Patent

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Details

F21S 4/00 (2006.01)

Patent

CA 2626696

This invention is directed to a lampholder for receiving a non-incandescent lamp having a 2-pin base. A surface mountable member for receiving the lamp and which has no voltage transforming circuitry is disclosed. Each pin of the lamp has an enlarged cylindrical shaped end attached to a shaft of reduced diameter. The surface mountable member has two keyhole shaped apertures, each of which has a large circular end aperture and an arc shaped slot for receiving and securely holding the pins of the lamp to the surface mountable member. The circular aperture of each keyhole shaped aperture has a diameter which is slightly larger than the diameter of the enlarged cylindrical end of the lamp pin, and the arc shaped slot has a width that is both smaller than the diameter of the cylindrical end of the lamp pin and wider than the diameter of the shaft of the pin. The enlarged ends of the pins of the lamp, when located in the arc shaped slots, prevent the lamp from being pulled out of the surface mountable member.

La présente invention se rapporte à une douille de lampe destinée à recevoir une lampe non incandescente possédant une base à deux postes. Ladite douille comprend un élément de montage en saillie, qui est conçu pour recevoir la lampe et est dépourvu de tout circuit de transformation de tension. Chaque poste de la lampe possède une extrémité cylindrique élargie fixée à un arbre de diamètre réduit. L'élément de montage en saillie est doté de deux ouvertures en forme de trou de serrure, dont chacune possède une large ouverture d'extrémité circulaire et une fente curviligne permettant de recevoir et de fixer solidement les postes de la lampe sur l'élément de montage en saillie. L'ouverture circulaire de chaque ouverture en forme de trou de serrure présente un diamètre légèrement supérieur au diamètre de l'extrémité cylindrique élargie du poste de lampe, et la fente curviligne a une largeur qui est à la fois inférieure au diamètre de l'extrémité cylindrique du poste de lampe et supérieure au diamètre de l'arbre du poste. Lorsqu'elles sont placées dans les fentes curvilignes, les extrémités élargies des postes de lampe empêchent toute séparation de la lampe et de l'élément de montage en saillie.

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