Patent ID: 6644752
Filing Date: 2003-11-11
Classification: B60N

Abstract:
A seat comprising:a seat cushion having a cushioning member and a back face, said cushioning member being supported by a seat frame, said seat frame including a pair of side frames and a front end frame coupled to each of said side frames; a seat back having a cushioning member and a back face, the cushioning member being supported by a back frame including a pair of side frames and a upper end frame coupled to each of said side frames, said back frame being coupled to said seat frame so that it is pivotable with respect to said seat frame; and a belt member having a first end and a second end, said belt member being adjacent to the back face of the cushioning member supported by said seat frame and the back face of the cushioning member supported by said back frame, said first end of said belt member being coupled to said back frame and said second end of said belt member being coupled to said seat frame, said belt member being positioned perpendicular to the front end frame and the upper end frame; wherein a length of the belt member between the upper end frame and the front end frame is less than a length of the cushioning members between the upper end frame and the front end frame, said belt member being designed to be made of a material having a higher stiffness than those of each of the cushioning members; and wherein, a raised portion of each of the cushioning members is adapted to relatively rise where portion of each of the cushioning members are proximate to the belt member when a load of a sitting person is received by each of the said cushioning members, said raised portion serves as a waist-supporting mechanism for the sitting person.