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Formed wire spring element for box spring assemblies

  • US 4,932,535 A
  • Filed: 02/27/1989
  • Issued: 06/12/1990
  • Est. Priority Date: 02/27/1989
  • Status: Expired due to Term
First Claim
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1. A limited deflection spring for a box spring assembly comprising:

  • a wire body having a foot portion adapted to be mounted on a support frame, an upright yieldable portion on said foot portion and a load bearing portion at the upper end of said upright portion;

    said upright portion including a pair of horizontally spaced upright columns which diverge relative to each other;

    a vertically yieldable portion connected to and extending between each upright column and said load bearing portion; and

    a vertically yieldable portion connected to and extending between each upright column and said foot portion, said vertically yieldable portions being operable in response to downwardly directed loading of said load bearing portion to yieldably collapse in a downward direction and move said columns toward generally upright limit positions engaged at their lower ends with said frame in which position said columns act to limit further deflection of said spring.

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