Patent ID: 6722741
Filing Date: 2004-04-20
Classification: A47C,B29C,B29K,B29L,Y10T

Abstract:
A seating structure comprising:a support structure; a seat supported by said support structure and comprising a front and rear; a backrest pivotally connected to said support structure and positioned adjacent said rear of said seat, wherein said backrest comprises a frame having a pair of spaced-apart, bow-shaped side members, each of said side members having a lower section and an upper section, wherein each of said upper sections extends from one of said respective lower sections so as to form a pair of first bowed sections at substantially a lumbar region of said backrest, wherein said first bowed sections have a generally convex-shaped forwardly facing contour, and wherein said upper section of each side member further extends laterally outwardly from said lower section; and a flexible membrane coupled to and extending between said side members and having a second bowed section corresponding to said first bowed sections of said side members.