Seat spring assembly and spring unit

Details Seat spring assembly and spring unit Seat spring assembly and spring unit

A - Human Necessities

47

C

360/8

A47C 7/30 (2006.01) A47C 7/28 (2006.01)

Patent

CA 1127323

SEAT SPRING ASSEMBLY AND SPRING UNIT A B S T R A C T A furniture seat (10) includes a spring assembly (15) and a seat frame (11, 12, 13). The spring assembly (15) comprises the combination of a sinuous spring band (20) connected between the front and back rails of a furniture seat frame and a rectangular loop, zig-zag wire spring unit (40) rigidly secured to the top of the spring band. A substantially horizontal cushion support section (45) of the unit extends between the front rail and a point approximately three-quarters of the way from front to back rails. The unit introduces torquing compression to the band (20) near the front rail and in the body of the band away from the back rail as a subject is seated.

335003

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