Legged furniture, and leg adjuster and leg adjuster set for use in same

摘要

In legged furniture having four or more legs and a load-receiving stage supported directly or indirectly by these legs, this legged furniture includes three main legs defining a triangular shape in a plurality of the legs and, assuming that the legged furniture is placed by using only the main legs, enabling a stable stationary attitude of the load-receiving stage, and a leg adjuster forming an extension portion of a sub leg other than the main legs and capable of expansion/contraction in a vertical direction and providing an expansion/contraction leg in cooperation with the sub leg and autonomously allows expansion or contraction of the expansion/contraction leg on the basis of a length of the main leg in accordance with the stationary attitude of the load-receiving stage.