Claims
- 1. A box spring for supporting a mattress, comprising:
- a base;
- a wire grid including a perimeter border wire having at least one corner;
- at least one coil spring for supporting said border wire above said base;
- upholstery material at least partially covering said mattress at the location of said border wire corner; and
- a corner guard member attached to said border wire at said corner, said corner guard positioned underneath said upholstery material for support and defining a smooth curved surface for contact with said upholstery material.
- 2. The mattress supporting structure as claimed in claim 1, wherein said corner guard is attached to said border wire by a snap-fitting attachment.
- 3. The mattress supporting structure as claimed in claim 2, wherein said corner guard moves relative to said base when said grid is deflected downwardly.
- 4. The mattress supporting structure as claimed in claim 1, wherein said corner guard is attached to said base by stapling, such that said guard is deformed when said grid is deflected downwardly.
- 5. The mattress supporting structure as claimed in claim 4, wherein said corner guard includes a plaited wall.
Parent Case Info
This is a division of application Ser. No. 781,347, filed Oct. 22, 1991 now U.S. Pat. No. 5,165,125.
US Referenced Citations (8)
Divisions (1)
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Number |
Date |
Country |
Parent |
781347 |
Oct 1991 |
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