A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 27/00 (2006.01) A47C 27/10 (2006.01) A61G 5/10 (2006.01) A61G 7/057 (2006.01)
Patent
CA 2072868
An inflatable cushion is organized into zones (r, s, t, u) or compartments which are normally isolated from each other. The base (2) of the cushion contains channels (28) which lead from several zones to a flap-type valve. When the flap is extended, the channels are connected through a manifold (36) in the valve. However, when the flap is folded over upon itself, the channels are blocked before the manifold and the zones are isolated. Having separate and isolated zones, the cushion provides improved stability and better serves to maintain the user in a desired posture. A modification has individual fill valves (10) and stems (8) for each zone and for the manifold.
Coussin gonflable en sections (r, s, t, u) ou compartiments habituellement isolés l'un de l'autre. La base (2) du coussin comporte des canaux (28) qui vont des nombreuses sections jusqu'à un clapet à charnière. Lorsque le clapet est ouvert, les canaux sont reliés au moyen d'un distributeur (36) situé dans le clapet, alors que lorsqu'il est fermé, les canaux sont bloqués avant que le distributeur et les sections ne soient isolés. Comme le coussin comporte plusieurs sections distinctes et isolées, il est plus stable et maintient plus efficacement l'utilisateur dans une position souhaitée. Dans une application modifiée, des vannes (10) et des tiges (8) de remplissage sont prévues pour chacune des sections et pour le distributeur.
Graebe Robert H.
Matsler Winfield R.
Graebe Robert H.
Mitchell Richard J.
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