Membrane chair

Details Membrane chair Membrane chair

1997-04-30

1999-08-10

Nelson, Jr., Milton

Chairs and seats

Bottom or back

Cushioned

29745255, 2973002, 297DIG2, 24297, 24702, A47C 702

Patent

active

059347589

ABSTRACT:
An office-type chair, having separate seat and back parts each cushioned and employing a thin inner plastic shell having a perforated central region formed as a thin membrane which is supported solely around the peripheral edge thereof by a suitable ringlike support frame. This membrane is semi-rigid in the plane thereof, but possesses at least limited resiliency in the thickness direction and, being free of direct underlying support, provides direct support for the cushion which in turn engages either the back or posterior of the user to provide limited flexibility and desirable comfort and ergonomic support. The membrane in the central region is provided with a first series of wavy strips which extend between the border of the membrane, with the first strips extending transversely across the membrane in one direction in spaced relationship, and a second series of wavy strips extending transversely across the membrane in the other transverse direction. The individual strips of the two series intersect and are integrally joined to provide the central region of the membrane with a gridlike construction. This gridlike construction which transmits transverse loading substantially uniformly radially outwardly to the surrounding border of the membrane, which border overlies and is fixed to the ringlike frame.

REFERENCES:
patent: Re25943 (1965-12-01), Lawson
patent: 54314 (1866-05-01), Farmer
patent: D346279 (1994-04-01), Stumpf et al.
patent: D377431 (1997-01-01), Stumpf et al.
patent: 567639 (1896-09-01), Crouch
patent: 662647 (1900-11-01), Howe
patent: 1005330 (1911-10-01), Schmits et al.
patent: 1769294 (1930-07-01), Johnson et al.
patent: 2126439 (1938-08-01), Zerbee
patent: 2260352 (1941-10-01), Trapani
patent: 2878860 (1959-03-01), Brattrud
patent: 3041109 (1962-06-01), Eames et al.
patent: 3059919 (1962-10-01), Marchino
patent: 3107944 (1963-10-01), Baermann
patent: 3117819 (1964-01-01), Kudriavetz, Jr.
patent: 3120407 (1964-02-01), Propst
patent: 3140086 (1964-07-01), Lawson
patent: 3198578 (1965-08-01), Geoffrey et al.
patent: 3217786 (1965-11-01), Earl
patent: 3233885 (1966-02-01), Propst
patent: 3720568 (1973-03-01), Rowland
patent: 3767261 (1973-10-01), Rowland
patent: 3840269 (1974-10-01), Ambrose
patent: 4318556 (1982-03-01), Rowland
patent: 4368917 (1983-01-01), Urai
patent: 4390210 (1983-06-01), Wisniewski et al.
patent: 4533174 (1985-08-01), Fleishman
patent: 4582361 (1986-04-01), Kennel
patent: 4660887 (1987-04-01), Fleming et al.
patent: 4761035 (1988-08-01), Urai
patent: 4789201 (1988-12-01), Selbert
patent: 4828320 (1989-05-01), Saiger
patent: 4834458 (1989-05-01), Izumida et al.
patent: 5013089 (1991-05-01), Abu-Isa et al.
patent: 5067772 (1991-11-01), Koa
patent: 5094580 (1992-03-01), Abe
patent: 5154485 (1992-10-01), Fleishman
patent: 5439271 (1995-08-01), Ryan
patent: 5441331 (1995-08-01), Vento
patent: 5445436 (1995-08-01), Kemnitz
patent: 5529373 (1996-06-01), Olson et al.
IDEA article, Intes USA (1 page).
NEW| Bungie Hi-Back Chair article (1 page).
Aeron Chairs article, Herman Miller, 1995 (4 pages).
Made to Measure article, Chee Pearlman, Sep.-Oct. 1994 (8 pages).
Designers Rate . . . Herman Miller's Aeron Chair article, Interiors, Jul., 1995 (1 page).

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