Apparatus and method of a seat with a floating lumbar

Details Apparatus and method of a seat with a floating lumbar Apparatus and method of a seat with a floating lumbar

1988-04-01

1989-05-23

Zugel, Francis K.

Chairs and seats

Bottom or back with means to alter contour

297307, 297309, A47C 300

Patent

active

048324019

ABSTRACT:
The present invention provides an apparatus and method of utilization thereof of a vehicle seat wherein the position of a lumbar support on the seat back is adjusted automatically in response to the deflection of the femur seating surface of the seat cushion. The present invention is advantageous in that the lumbar support is placed in a position generally constant with respect to the lower portion of the vehicle seat occupant's back, regardless of the weight of the vehicle seat occupant.

REFERENCES:
patent: 1182854 (1916-05-01), Poler
patent: 1929024 (1933-10-01), Ingle
patent: 2009024 (1935-07-01), Salmons
patent: 2991124 (1961-07-01), Schwarz
patent: 3106423 (1963-10-01), Schwarz
patent: 3137524 (1964-06-01), Chancellor
patent: 3163466 (1964-12-01), Radke et al.
patent: 3219386 (1965-11-01), Simons
patent: 4634176 (1987-01-01), Scott
patent: 4676550 (1987-06-01), De Mevergnies

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