Semilamp for retrofitting of lamps with inductive ballasts...

H - Electricity – 01 – R

Patent

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Details

H01R 33/08 (2006.01) F21V 19/00 (2006.01) H01R 33/94 (2006.01) H01R 33/945 (2006.01)

Patent

CA 2360946

The invention facilitates insertion of fluorescent semilamps for retrofitting of existing fluorescent lamps with inductive ballasts to electronic high- frequency ballast operation. The pin bases of the semilamps are designed to be separably rotatable as opposed to the previously rigid pin base assembly. The rotatable pin base allows easy insertion of the new semilamps into existing lamps, with only the pin base being rotated to secure the semilamps in their sockets. The semilamp may further provide a grip to aid in the rotation of the pin base, locking snaps to secure the rotatable pin base, or length equalization between different types of fluorescent lamps by addition of an expansion shoulder to the pin base.

La présente invention concerne des bloc-culots amovibles permettant de faire fonctionner avec ballast électronique haute fréquence des lampes fluorescentes à ballasts à induction. Les têtes à broches du bloc-culot sont séparément capables de rotation contrairement aux têtes à broches fixes selon l'état antérieur de l'art. La tête à broches rotative facilite l'insertion des nouveaux bloc-culots dans les lampes existantes, la rotation de la tête à broches suffisant pour retenir le bloc-culot dans les douilles. Le bloc-culot peut également comporter un élément de saisie aidant à faire tourner la tête à broches, à verrouiller les pressions de retenue de la tête à broches rotative, ou à adapter les longueurs entre différents types de lampes fluorescentes par adjonction, à la tête à broches, d'un épaulement d'extension.

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