Seating chair with a supporting frame

Abstract

This invention relates to a supporting frame structure of a rest of a seating chair, wherein a nose and a dent which are formed by a connection part of a vertical part of the supporting frame correspond to a catch of a nose and a dent which are located on a edge of a end of a horizontal part, and by assembly and correspondingly coupling an elastic packing piece and a locating part, the vertical part of the supporting frame can freely be rotated and adjusted in the right or left, or clockwise or counterclockwise direction to make a user who sits on the seating chair with the supporting frame structure feel more comfortable, and, furthermore, to make the seating chair be fitted for any user to use.

What is claimed is:  
     
         1 . A supporting frame of a rest of a seating chair comprising: 
 A vertical part, a horizontal part, elastic packing pieces, and restraining position part, wherein a row of adjusting holes and restraining holes are located inside a end of the vertical part and a end of the horizontal part.    
     
     
         2 . The supporting frame of  claim 1  wherein adjusting holes are properly located inside a end of the vertical part, jointing segment is extended along the other end of the vertical part in the vertical direction of the vertical part, a open through pivot hole is located inside a proper position of the end of the jointing segment, nose and dent are separated by a certain spacing and located in the periphery, which is near the jointing segment, of the open through pivot hole, and the vertical part and the elastic packing piece are in the position above the jointing segment to let a restraining position part to locate and fix the elastic packing piece and the two pivot holes for freely rotating the supporting frame in the left or right direction.