DOUBLE SPRING FUNCTION UPHOLSTERED FURNITURE SPRING ASSEMBLIES

摘要

A double spring function seat spring assembly combines a U-shaped frame with aclosed front, a number of leaf springs (26-28) connected between the front anda cross piece and a plurality of coil springs (36, 38, 40) supporting thecross piece from the frame, the leaf springs formed with a series of W and Varches to enable flexing and extension for improved durability and comfort.