Two And One Cross Elements Patents (Class 5/277)
  • Bedding foundation having snap-in place sinuous wire springs
    Patent number: 4862532
    Abstract: 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.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: September 5, 1989
    Assignee: Leggett & Platt, Incorporated
    Inventors: Thomas J. Wells, Angelo Serafini, Sidney A. Hiatt, Henry Zapletal
  • Bedding foundation having snap-in place formed wire springs
    Patent number: 4862531
    Abstract: A box spring assembly includes a base frame, a top wire grid and a plurality of formed wire springs interconnecting the top wire grid and the base frame. The formed wire springs each comprises a 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.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: September 5, 1989
    Assignee: Leggett & Platt, Incorporated
    Inventor: Thomas J. Wells