Backrest for a seat arrangement

Details Backrest for a seat arrangement Backrest for a seat arrangement

1996-06-04

1997-07-22

Cuomo, Peter M.

Chairs and seats

Back movement resiliently opposed in operating position

Back adjusts independent of seat

297299, 29745231, 29735411, 2972844, A47C 300, B60N 202

Patent

active

056497393

ABSTRACT:
A backrest for a seat includes an upper back portion having an integral, central extension, a lower back portion having a central cut-out, and hinges for pivotally connecting the upper and lower back portions together to permit free swinging movement of the extension through the cut-out about a pivot axis situated at a level above the extension so that substantially the entire extension can come out of the cut-out in a reclined position of the upper back portion to support the lower back of the seat occupant. The extension may be provided with a central recess separating two lateral prongs from one another, and an elastic band may then be used to span the recess between the prongs.

REFERENCES:
patent: 4007962 (1977-02-01), Muller-Deisig
patent: 4316632 (1982-02-01), Brauning
patent: 4799732 (1989-01-01), Yamazaki
patent: 4830430 (1989-05-01), Schafer

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