Globe deployable led light assembly

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

Patent

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Details

F21V 7/00 (2006.01) F21S 2/00 (2006.01) F21V 29/00 (2006.01)

Patent

CA 2732880

An L.E.D. light emitting assembly (20) includes a heat sink (50) defined by independent elon-gated sections (52) upwardly from a base (26) in par-allel relationship. L.E.D.s (72) are disposed on a mounting surface (60) and fins (64) are disposed on a heat transfer surface (62) of the elongated sections (52). The elongated sections (52) and base (26) are pivotably connected at a hinge (86). The hinge (86) can include a spring (102). A spreader (90) can pivot the elongated sections (52) about the hinge (86). A flexible stop (106) with a resilient tip (110) is attached to top ends (58) of the elongated sections (52). The elongated sections (52) are held together by a retainer (88), such as a band (104), and inserted through a nar-row opening (22) of a globe (24). A deployment mechanism (84) moves the elongated sections (52) to a non-parallel position to fill the globe (24).

Ensemble lumineux (20) à DEL, comportant un puits thermique (50) défini par des parties allongées indépendantes (52) sétendant parallèlement vers le haut depuis un socle (26). Les DEL (72) sont placées sur une surface de montage (60) et des ailettes (64) sont placées sur une surface de transfert thermique (62) des parties allongées (52). Les parties allongées (52) et le socle (26) sont montés pivotants au moyen dune articulation (86). Larticulation (86) peut comporter un ressort (102). Un dispositif décartement (90) peut faire pivoter les parties allongées (52) autour de larticulation (86). Une butée souple (106) dotée dun bout élastique (110) est fixée aux extrémités supérieures (58) des parties allongées (52). Les parties allongées (52) sont solidarisées par un élément de retenue (88), tel quun collier (104), et insérées dans une ouverture étroite (22) dun globe (24). Un mécanisme de déploiement (84) place les parties allongées (52) dans une position non parallèle de façon à ce quelles remplissent le globe (24).

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