Structure of built-up chair

Details Structure of built-up chair Structure of built-up chair

1991-05-29

1992-12-01

Brown, Peter R.

Chairs and seats

Movable bottom

Movable independently of back

297440, 297446, A47C 320, A47C 402

Patent

active

051674360

ABSTRACT:
A built-up chair, comprising two stands connected together by a connecting bar, two pairs of supports respectively mounted on said two stands at the top, two side bars respectively mounted on said two pairs of supports and connected together by two cross bars for holding a seat, and a back support connected between said two pairs of supports at the top. By fastening connecting bolts in connectors, the two stands and the two side bars are respectively connected to the connecting bar or the cross bars at two opposite ends. The seat is fastened in the two side bars through sliding joint and supported by the two cross bars. The back support has two rows of holes for fastening in between the two pairs of supports by screws at the top. The two pairs of supports have each a plurality of parallel grooves at the middle for adjusting the level position of the side bars easily.

REFERENCES:
patent: 4109961 (1978-08-01), Opsuik
patent: 4793654 (1988-12-01), Takafuji
patent: 4958885 (1990-09-01), Kassai

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