Bed assembly

A - Human Necessities – 47 – C

Patent

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Details

A47C 19/04 (2006.01) A47C 20/04 (2006.01) A61G 7/005 (2006.01)

Patent

CA 2192033

A bed assembly (10) having a generally rectangular frame (22) and a mattress support (62, 64, 66, 68), the mattress support including a hinged head section (14) movable between raised and lowered positions, and an extender (76) supported by the hinged head section for extensible and retractable movement, the extender bridging the space between a headboard assembly (18) and the hinged head section when the hinged head section is in a raised position. An extender operating assembly (112) is provided for causing the extender to be extended towards the headboard assembly when the hinged head section is raised and for causing the extender to retract when the hinged head section is lowered. The extender operating assembly includes a sheave assembly preferably in the form of a pulley block (114) carried by the hinged head section, and a cord (116) having spaced apart ends and an intermediate section, the intermediate section (116.1) of the cord passing over the pulley block, one end (116.2) of the cord being secured to the frame, and the other end 116.3) being secured to the extender, the pulley block and cord being so arranged so that as the hinged head section is raised the extender will be caused to be extended. The extender operating means also includes a retractor in the form of a spring (122) to cause the extender to be retracted when the hinged head section is lowered. The bed assembly is also provided with a pair of stops (104, 108) to limit the maximum desired raised position of the pivoted head section.

tructure de lit (10) ayant un cadre généralement rectangulaire (22) et un sommier (62, 64, 66, 68), le sommier comportant une section de tête articulée (14) mobile entre une position levée et une position baissée, et une rallonge (76) soutenue par la section de tête articulée pour un mouvement d'extension et de rerait, la rallonge comblant l'espace entre une tête de lit (18) et la section de tête articulée lorsque la section de tête articulée est en position levée. Un dispositif de manoeuvre de la rallonge (112) commande l'extension de la rallonge en direction de la tête de lit lorsqu'on lève la section de tête articulée, et commande son retrait lorsqu'on baisse la section de tête articulée. Le dispositif de manoeuvre de la rallonge comporte une poulie, de préférence une poulie mouflée (114), fixée à la section de tête articulée et une corde (116) ayant des bouts espacés et une section intermédiaire, la section intermédiaire (116.1) de la corde passant dans la poulie, un bout (116.2) de la corde étant fixé au cadre et l'autre bout (116.3) étant fixé à la rallonge, la poulie et la corde étant agencées de façon qu'au moment où on lève la section de tête articulée, la rallonge soit mise en extension. Le dispositif demanoeuvre de la rallonge comporte aussi un rétracteur sous forme de ressort de rappel (122) qui commande le retrait de la rallonge lorsqu'on baisse la section de tête articulée. La structure de lit est aussi munie d'une paire de butées (104, 108) pour limiter à un maximum la position levée de la section de tête pivotante.

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