Bedding foundation having snap-in place sinuous wire springs
摘要
A box spring assembly includes a base frame, a top wire grid and a plurality of sinous wire springs interconnecting the top wire grid and the base frame. The sinuous wire springs each comprises a sinuous wire strip formed into an inverted U-shaped configuration with the closed end of each U-shaped spring attached to the top wire grid by a snap-fit connection and the free ends at the bottom of the U-shaped spring being attached to the base frame.
申请公布号
US4862532(A)
申请公布日期
1989.09.05
申请号
US19880144819
申请日期
1988.01.15
申请人
LEGGETT & PLATT, INCORPORATED
发明人
WELLS, THOMAS J.;SERAFINI, ANGELO;HIATT, SIDNEY A.;ZAPLETAL, HENRY