Patent ID: 8733829
Filing Date: 2014-05-27
Classification: A47C

Abstract:
1. A composite chair, comprising a frame and at least one carrying portion and one movable portion located on the frame, wherein the movable portion includes: a movable deck; two coupling members each including a fastening end hinged on the frame and an action end hinged on the movable deck, the action end being swivelable about the fastening end in a swivel displacement; and an adjustment member which is located below the movable deck and includes two guide tracks extended along the movable deck, a linkage bar with two ends held in the two guide tracks, and two movable arms to bridge the linkage bar and the movable deck, the linkage bar including a first position and a second position at two ends of each of the two guide tracks; wherein the linkage bar is movable from the first position to the second position to allow the two coupling members to swivel and drive the movable deck to move upwards away from the at least one carrying portion; and wherein the linkage bar is movable from the second position to the first position to allow the two coupling members to swivel and drive the movable deck to move downwards towards the at least one carrying portion, and wherein each of the two movable arms is formed at a length two times of that of each of the two coupling members.