Chairs and seats – Movable bottom – Bottom and back movable as a unit
Patent
1997-04-01
1998-12-15
Brown, Peter R.
Chairs and seats
Movable bottom
Bottom and back movable as a unit
2971831, 297 53, 108119, A47C 900
Patent
active
058488227
ABSTRACT:
A folding collapsible chair including a seat plate having a first longitudinal coupling groove and a second longitudinal coupling groove bilaterally disposed at a bottom side thereof, a plurality of vertical through holes, and two hand holes transversely disposed near two opposite ends; a folding stand adapted for supporting the seat plate, the folding stand including a first U-tube and a second U-tube pivoted together, and four retracting legs respectively mounted in two opposite ends of each of the first U-tube and the second U-tube, the first U-tube having a middle section peripherally forced into engagement with the first longitudinal coupling groove of the seat plate and turned therein, the second U-tube having a middle section adapted to be peripherally forced into engagement with the second longitudinal coupling groove of the seat plate; and a locating plate fixedly mounted on the bottom side of the seat plate over the middle section of the first U-tube to secure the seat plate and the first U-tube together.
REFERENCES:
patent: 2794612 (1957-06-01), Clifton
patent: 2978012 (1961-04-01), Norseen
patent: 3033511 (1962-05-01), McAfee
patent: 3106296 (1963-10-01), Walsh et al.
patent: 5353715 (1994-10-01), Luyk
patent: 5522642 (1996-06-01), Herzog
patent: 5536068 (1996-07-01), Valentor et al.
patent: 5542359 (1996-08-01), Polries
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