Arm height adjustment mechanism for a chair

Details Arm height adjustment mechanism for a chair Arm height adjustment mechanism for a chair

A - Human Necessities

47

C

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

Patent

CA 2341342

An adjustable armrest assembly for a chair provides adjustment in both the vertical and horizontal position of an armrest member. A tubular member is adapted for telescopic mounting to an upwardly extending support member mounted to the chair. The support member includes a series of spaced teeth defining indentations therebetween. The armrest assembly includes a pivotable latch member which is secured to the tubular member utilizing a cap member mounted to the upper end of a passage defined by the tubular member. The cap member and the tubular member define cooperating mounting structure for providing pivoting movement of the latch member. The latch member is movable between an engaged position, in which the latch member is engaged with an indentation between the teeth defined by the support member, and a disengaged position in which the latch member is moved out of engagement with the teeth. The latch member includes a manually operable trigger section for moving the latch member between its engaged and disengaged positions. An armrest member includes a base section and an arm cap. The base section of the armrest member is pivotably mounted to the cap member via a fastener which both secures the base section to the cap member and defines the pivot axis about which the base section is pivotable. The cap member includes spaced indentations. A spring member is mounted to the base section, and includes a protrusion received within a selected one of the indentations for providing a click-type detent for selectively maintaining the armrest member in a predetermined angular orientation.

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