Seat with adjustable back support

Details Seat with adjustable back support Seat with adjustable back support

1981-02-13

1984-07-31

Zugel, Francis K.

Chairs and seats

Bottom or back with means to alter contour

297452, A47C 746, A47C 300

Patent

active

044626355

ABSTRACT:
This invention relates to a seat having a strap and a tension device therefore for adjusting the support for the back of a user. The adjusting device including a strap or straps extending across the back rest of a seat and being manually adjustable for decreasing or increasing the effective length of the strap or straps where extending across the back rest so as to cause portion of the back rest to project forwardly a greater or lesser extent.

REFERENCES:
patent: 1182854 (1916-05-01), Poler
patent: 2692010 (1954-10-01), Christie
patent: 3258259 (1966-06-01), Bohlin
patent: 4153293 (1979-05-01), Sheldon
patent: 4309058 (1982-01-01), Barley

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