Adjustable back rest

Details Adjustable back rest Adjustable back rest

1986-08-14

1988-03-15

Zugel, Francis K.

Chairs and seats

Supplemental back

Including a means to adjust supplemental back relative to a...

297284, 297460, A47C 702

Patent

active

047308710

ABSTRACT:
A back rest construction which may be incorporated into an upholstered chair or recliner, or which may be used in a portable back rest either alone or in combination with a seat. The construction includes a frame with a vertical track carried on it and which in turn carries a lumbar support that may be moved up and down on the track. The lumbar support not only may be moved vertically to adjust its height, but in addition, it may be moved toward and away from the plane of the frame so as to decrease or increase the support provided by it.

REFERENCES:
patent: 1264265 (1918-04-01), Brusius
patent: 2991124 (1961-07-01), Schwarz
patent: 3596990 (1971-08-01), Gottfried et al.
patent: 3642319 (1972-02-01), Berchicci
patent: 4097087 (1978-06-01), Garavaglia
patent: 4153293 (1979-05-01), Sheldon
patent: 4156544 (1979-05-01), Swenson et al.

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