Patent ID: 8111507
Filing Date: 2012-02-07
Classification: F16M

Abstract:
1. An adjustment module comprising: a frame comprising a main plate; a sliding member; at least one coiled spring comprising an extending portion and a sleeved coiled portion; a pair of guide rails positioned on opposite sides of the frame; and a supporting member fixed on an end of the frame and having at least one supporting surface, wherein the at least one supporting surface is curved, and the supporting member forms a plurality of ribs on the at least one supporting surface; wherein the sliding member is slidably positioned between the guide rails; the coiled portion of the at least one coiled spring is positioned on the at least one supporting surface, and an end of the extending portion of the at least one coiled spring is fixed on the sliding member; and an axis of the coiled portion of the at least one coiled spring is substantially perpendicular to the main plate.