Adjustable arm rest assembly

A - Human Necessities – 47 – C

Patent

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Details

A47C 7/54 (2006.01) A47C 1/03 (2006.01)

Patent

CA 2223134

An adjustable arm rest assembly (31) for use on a chair including an arm rest post (12) and an arm rest support surface (31). According to one aspect of the invention, the support surface (31) is pivotably attached to a top surface (14) of the arm rest post. The support surface includes a front portion and a rear portion and is pivotable about a pivot axis that extends in parallel with the seat back of the chair. A locking element (80) is attached to one of the arm rest post and the support surface. The locking element includes a front portion (82) and a rear portion (84) with the front portion including a first mating element (86). The front portions of the support surface and locking element are farther from the seat back than the rear portions. A guide member (76) is attached to the other of the arm rest post and the support surface. The guide member (76) is located adjacent the front portion of the locking element and is adapted to receive the first mating element (86) into one of a plurality of second mating elements (78). The locking element (80) and the guide member (76) are movable with respect to one another so that the support surface may be secured in a selected position relative to the arm rest post.

L'ensemble accoudoir réglable (31) destiné à une chaise comprend un montant d'accoudoir (12) et une surface de support d'accoudoir (31). Selon un aspect de l'invention, la surface de support (31) est fixée de manière pivotante à une surface supérieure (14) du montant de l'accoudoir. La surface de support comprend une partie avant et une partie arrière et peut pivoter autour d'un axe de pivot qui s'étend parallèlement au dossier de la chaise. Un élément de verrouillage (80) est fixé au montant de l'accoudoir ou à la surface de support. L'élément de verrouillage comprend une partie antérieure (82) et une partie postérieure (84), la partie antérieure comprenant un premier élément d'accouplement (86). Les parties antérieures de la surface de support et de l'élément de verrouillage sont plus loin du dossier de la chaise que ne le sont les parties postérieures. Un élément de guidage (76) est fixé à l'autre des deux éléments à savoir le montant de l'accoudoir ou la surface de support. L'élément de guidage (76) est placé adjacent à la partie avant de l'élément de verrouillage et est adapté pour recevoir le premier élément d'accouplement (86) dans l'un des plusieurs seconds éléments d'accouplement (78). L'élément de verrouillage (80) et l'élément de guidage (76) sont mobiles l'un par rapport à l'autre, afin d'immobiliser la surface de support dans une position sélectionnée par rapport au montant de l'accoudoir.

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