Seatback frame

Details Seatback frame Seatback frame

1990-05-15

1991-08-20

Cranmer, Laurie K.

Chairs and seats

Bottom or back

Framework

297183, 297460, A47C 700

Patent

active

050408488

ABSTRACT:
A seatback frame is disclosed as having an inverted-U-shaped frame member including an elongated and generally horizontal upper member and an elongated side member extending generally downwardly from each extremity of the upper member. A side panel is secured to and extends generally upwardly along and forwardly from a lower portion of each side member. A lumbar supporting panel extends laterally between, and is supported by, the side panels. The lumbar supporting panel has a central portion extending generally upwardly and is secured to a central portion of the upper member.

REFERENCES:
patent: 3951454 (1976-04-01), Tantlinger
patent: 4583783 (1986-04-01), Kanai
patent: 4715653 (1987-12-01), Hattori et al.
patent: 4883320 (1989-11-01), Izumida et al.

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