A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 7/60 (2006.01)
Patent
CA 2529215
A chair having a chair seat and a chair back includes a means for controlling the tilt of the chair back relative to the chair seat, the tilt means comprising a control body mounted beneath the chair seat and a pivot body pivotably mounted beneath the control body. A spring is operatively disposed between the control body and the pivot body. The control means comprises means for limiting the range of angular motion of the pivot body. Further, the locations of the control body, the pivot body, and the rod about which the pivot body pivots are each optimized to reduce the shear force that is applied to the user's back when the user exerts a force against the chair back.
L'invention concerne un siège composé d'un fond et d'un dossier qui comprend un mécanisme de réglage de l'inclinaison du dossier par rapport au fond du siège. Ce mécanisme de réglage de l'inclinaison comprend un corps de réglage monté sous le fond du siège et un corps pivotant monté pivotant sous le corps de réglage. Un ressort est disposé de façon fonctionnelle entre le corps de réglage et le corps pivotant. Le mécanisme de réglage comprend un mécanisme permettant de limiter l'amplitude du mouvement angulaire du corps pivotant. De plus, les emplacements du corps de réglage, du corps pivotant et de la tige autour de laquelle pivote le corps pivotant sont optimisés afin de réduire la force de cisaillement appliquée sur le dos de l'utilisateur lorsque ce dernier exerce une force contre le dossier du siège.
Koch John
Olson Ogden
Fetherstonhaugh & Co.
Hni Technologies Inc.
Hon Technology Inc.
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