Patent ID: 8328285
Filing Date: 2012-12-11
Classification: A47C,B60N

Abstract:
1. An adjustment structure for a chair armrest comprising a fastening seat, the chair armrest being attached to the fastening seat through a releasable fastener so that the armrest is allowed to slide vertically and get positioned, and the adjustment structure being characterized in: the fastening seat formed with a guiding groove wherein the armrest is configured to slide along the guiding groove; the armrest formed with a recess for accommodating the releasable fastener and provided with a combining end facing the fastening seat; and the releasable fastener composed of a lever and a driven member each having a continuous slanting tooth portion for engaging with the continuous slanting tooth portion of the other, an engaging member deposited in the guiding groove of the fastening seat, and a screw passing through the engaging member, the guiding groove, the combining end of the armrest and the lever to be screwingly coupled with the driven member.