Patent ID: 6564404
Filing Date: 2003-05-20
Classification: A61G

Abstract:
A liftable side rail for a lying table such as a bed, comprising a side rail proper, being pivotally rotatably connected with a pair of support arms pivotally rotatably supported at side rail installation points of the lying table such as a bed, to be supported in such a manner that the side rail proper may be lifted and lowered by the pivotally rotational motion of these support arms along the pivotally rotational loci between an upper service position and a lower stored position, and each of the support arms, having protrusions functioning as auxiliary side rail members on both sides of the straight line connecting said installation point and the connection point with the side rail proper;wherein each of the support arms has a parallelogrammic frame provided on the upper side, and the ends of the shorter diagonal of the frame correspond to the connection point with the side rail proper and the installation point, while the ends of the longer diagonal of the frame define the protrusions.