WAIST SUPPORTER FOR CHAIR

摘要

PURPOSE: A waist supporter to be bound to the back of a chair is provided to disperse the pressure put upon the waist and to support the waist, so that the chair becomes more comfortable. CONSTITUTION: The waist supporter(B) is bound to the back of a chair(A) at the position of waist, wherein the supporter may be moved horizontally back and forth by functioning of the flexible material(5) such as spring, etc. The waist supporter combined with the flexible material is bound to the back of a chair using the clamp to safely support the waist, wherein the clamp consists of two sliding tubes(3) followed by two sliding axes. This waist supporter can be applied to all chairs having the back, so that it will decrease or get rid of stress put on the waist and further may prevent from waist diseases.