Patent ID: 8015638
Filing Date: 2011-09-13
Classification: A47C,A61G,B66F

Abstract:
1. An X-linked lift mechanism comprising: a base frame; a lift frame; first links and second links connected with each other between the base frame and the lift frame at pivots in such a manner that the first and second links can be pivotally rotated, wherein first ends of the first links are pivotally rotatably fixed to the base frame, and first ends of the second links are pivotally rotatably fixed to the lift frame; moving members installed at second ends of the first and second links, respectively; guide members for guiding the moving members installed at the second ends of the first and second links, wherein the guide members are installed on the lift frame and the base frame, respectively; a drive member pivotally rotatably installed between the second links, the drive member being provided with boost arms and drive arms; moving members installed at ends of the boost arms; guide members for guiding the moving members installed at the ends of the boost arms, the guide members being installed on opposing side portions of the first links in the length direction; and a linear actuator extending the first links and the drive arms.