Chairs and seats – Bottom or back with means to alter contour
Patent
1975-12-19
1977-08-09
McCall, James T.
Chairs and seats
Bottom or back with means to alter contour
297 61, A47C 300
Patent
active
040406610
ABSTRACT:
A tilting, adjustable passenger seat back is provided with an angularly adjustable upper headrest section which has tilting linkage and a hinge connection to the upper part of the seat back such that when the back is in a generally upright position, the headrest section is back and out of the way of a passenger's head and shoulders; however, when the seat back is moved to a recline position, the headrest section will rotate forward to provide support for the head while the passenger is in the recline position. A modified construction also has additional linkage which provides for a lumbar support that moves along with recline movement to be primarily effective to adjust seat back cushioning for upright positioning of the seat back and out of the way for the recline position.
REFERENCES:
patent: 369558 (1887-09-01), Scarritt et al.
patent: 469357 (1892-02-01), Meigs
patent: 711412 (1902-10-01), Archambeault
patent: 788656 (1905-05-01), Landkamer
patent: 2448860 (1948-09-01), Collins
patent: 2550831 (1951-05-01), Lingenfelter
patent: 3807794 (1974-04-01), Bever
patent: 3938858 (1976-02-01), Drabert
Hogan Gerard T.
Weik Kirby B.
Hoatson Jr. James R.
Liggett Philip T.
McCall James T.
Page II William H.
UOP Inc.
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