Flexible plastic seating shell

Details Flexible plastic seating shell Flexible plastic seating shell

1988-11-03

1990-10-16

Brown, Peter R.

Chairs and seats

Bottom or back

Framework

297459, 297DIG2, 297460, A47C 512, A47C 312

Patent

active

049629646

ABSTRACT:
A seating shell comprises a seat having a plurality of arcuate slots formed therethrough to define a plurality of closely spaced webs extending and suspended between semi-rigid side borders of the seat. The widths of a substantial number of the webs, from front to back, progressively decrease to provide varied degrees of flex and a gradual transition of such flex when a seating load is imposed on the seat. The seating shell may have a backrest integrally formed with the seat. The backrest also has a plurality of webs formed thereon to provide a flexible back support.

REFERENCES:
patent: 3159428 (1964-12-01), Schier
patent: 3173723 (1965-03-01), Hoven et al.
patent: 4036526 (1977-07-01), Baechle et al.
patent: 4202581 (1980-05-01), Fleishman
patent: 4502731 (1985-03-01), Snider
patent: 4647109 (1987-03-01), Christophersen et al.
patent: 4660887 (1987-04-01), Fleming et al.
patent: 4776633 (1988-10-01), Knoblock et al.

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