Title:
DOUBLE SPRING FUNCTION UPHOLSTERED FURNITURE SPRING ASSEMBLIES
Document Type and Number:
WIPO Patent Application WO2005034691
Kind Code:
A3
Abstract:
A double spring function seat spring assembly combines a U-shaped frame with a closed front, a number of leaf springs (26-28) connected between the front and a cross piece and a plurality of coil springs (36, 38, 40) supporting the cross piece from the frame, the leaf springs formed with a series of W and V arches to enable flexing and extension for improved durability and comfort.
Inventors:
MAAS PATRICK J (US)
Application Number:
PCT/US2004/032960
Publication Date:
November 17, 2005
Filing Date:
October 04, 2004
Export Citation:
Assignee:
FLEXSTEEL INDUSTRIES (US)
MAAS PATRICK J (US)
MAAS PATRICK J (US)
International Classes:
F16F3/04; A47D; (IPC1-7): F16F3/04
Foreign References:
| US3210064A | 1965-10-05 | |||
| US3768795A | 1973-10-30 | |||
| US2608265A | 1952-08-26 |
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