Quick-connect fan blade mounting assembly

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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Details

F04D 29/34 (2006.01) B42F 13/00 (2006.01) B63H 1/20 (2006.01) F01D 5/30 (2006.01) F01D 25/28 (2006.01) F04D 25/08 (2006.01)

Patent

CA 2350693

A ceiling fan (20) assembly includes a plurality of blade holders (46) and a quick-connect mount (48). Each blade holder (46) includes a coupling tongue (54) having a locking groove (56) located in its upper surface. The quik-connect mount (54) includes a blade holder support (58) and a cover (60). The blade holder support (58) has a plurality of receivers (80) for receiving the coupling tongue (54) of the blade holders (46). The cover (60) is rotatably attached to the support (58) upwardly. The cover (60) has a downward skirt (134) around its outer periphery (126) and an annular blade lock (140) on the surface adjacent the blade holder support (58). The skirt has a notch (138) and the blade lock (140) has a gap (142) that are in radial alignment with each other and are selectively alignable with the receivers (80). To attach a fan blade (42) to the quick-connect mount (48), the cover (60) and support (58) are rotated relative to one another so that the notch (138) and gap (142) are aligned with a receiver (80).

L'invention concerne un ventilateur (20) de plafond composé d'une pluralité de porte-pales (46) et un élément d'assemblage (48) rapide. Chaque porte-pale (46) comporte une languette (54) de raccord munie d'une rainure ( 56) de fermeture située sur sa surface supérieure. L'élément d'assemblage (48) rapide est composé d'un support (58) de porte-pales et un couvercle (60). Le support (58) de porte-pales est composé d'une pluralité de points d'attache (80) servant à recevoir les languettes de raccord de chaque porte-pale (46). Le couvercle (60) est monté tournant au support (58). Le couvercle (60) comporte une jupe (134) descendante autour de la périphérie (126) externe et un verrou (140) de pale annulaire situé sur la surface adjacente au support (58) de porte-pale. La jupe est comprend une découpe (138) et le verrou (140) de pale comprend un espace (142), ces deux éléments étant alignés l'un par rapport à l'autre et pouvant être alignés sélectivement avec les points d'attache (80). Pour monter une pale (42) de ventilateur à l'élément d'assemblage (48) rapide, on fait pivoter le couvercle (60) et le support (58) ensemble de manière à ce que la découpe (138) et l'espace (142) soient alignés par rapport au point d'attache (80).

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