Patent ID: 6398309
Filing Date: 2002-06-04
Classification: A47C

Abstract:
An armrest assembly comprising:a tube adapted to be secured to a chair seat; an adjusting seat mounted in the tube and including a longitudinal groove and at least one set of positioning notches that are spaced vertically; an armrest mounted above the adjusting seat; an actuating member secured to the armrest to move therewith, the actuating member further including a vertical section slidably received in the longitudinal groove of the adjusting seat; a slide member slidably attached to the vertical section of the actuating member; an operative member securely attached to the slide member for manual operation; and at least one positioning member releasably engaged with one of the positioning notches of said at least one set; wherein when the operative member is in an inoperative position, said at least one positioning member is retained in a position by the slide member to thereby engage with one of the positioning notches of said at least one set; and wherein when the operative member is moved to an operative position, the slide member slides relative to the actuating member to a position in which the slide member abuts against the actuating member, and said at least one positioning member is disengaged from the positioning notches of said at least one set to a position for simultaneous movement with the slide member, and further vertical movement of the operative member causes the slide member and the actuating member to move vertically until the armrest reaches a desired level.