Height adjustable chair with rocking function

A - Human Necessities – 47 – C

Patent

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Details

A47C 3/20 (2006.01) A47C 3/02 (2006.01)

Patent

CA 2547457

The invention provides a chair that the switching between operation and fixation of rocking may be operated with the height adjustment of the chair by one operation lever. A resilient member is interposed between a seat frame whose height is adjustable by a cylinder and a back frame rotatably fitted to the seat frame, wherein a joint member is rotatably fitted to the seat frame with a vertical shaft, an operation lever led to the outside of the seat frame and a pressing piece which touches and leaves a button for rod advancing and retreating of the cylinder are provided with a rocking member which is rockably assembled to the joint member with a horizontal shaft, and an interlocking regulating member is attached to an arm piece of the joint member so that the rotation of the back frame may be adjusted by moving the regulating member.

L'invention concerne une chaise dont la manouvre de fonctionnement et de fixation du bercement peut se faire en ajustant la hauteur de la chaise au moyen d'un levier d'opération. Un organe souple est interposé entre un châssis de siège dont la hauteur est ajustable par un cylindre et un corps arrière fixé par rotation au châssis de siège. Un organe d'articulation est fixé par rotation au châssis de siège au moyen d'un axe vertical, un levier d'opération entraîné vers l'extérieur du châssis de siège et une pièce de poussée qui touche et délaisse un bouton pour l'avancement d'une tige et le retrait du cylindre sont prévus avec un organe de bercement qui est assemblé par bercement à l'organe d'articulation au moyen d'un axe horizontal. Un organe de réglage solidaire est attaché à une pièce du bras de l'organe d'articulation, de sorte que la rotation du corps arrière puisse être ajustée en déplaçant l'organe de réglage.

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