Elastic support structure for a human body to lean against

Chairs and seats – Movable back – Tiltable

Reexamination Certificate

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Details

C297S285000, C297S404000, C297S314000

Reexamination Certificate

active

11538510

ABSTRACT:
The elastic support structure for human body to lean against includes a connecting frame, a swing rack, and an elastic rod. The connecting frame includes a connecting surface and a positioning part for the support structure. The swing rack has its first end placed on one end of the connecting frame, which makes the second end of the swing rack swing. At least two elastic rods are placed on the same side of the connecting frame and swing rack, and two movable parts of the support structure. A multi-directional swing is created. The movable part of the support structure uses the swing feature of the second end of the swing rack, so that the movable part creates a greater range of swing in the corresponding direction.

REFERENCES:
patent: 2524624 (1950-10-01), Cramer
patent: 2529683 (1950-11-01), Fox
patent: 3121592 (1964-02-01), Anderson
patent: 4135836 (1979-01-01), Rensland et al.
patent: 4316632 (1982-02-01), Brauning
patent: 6116687 (2000-09-01), Vogtherr
patent: 6305747 (2001-10-01), Mei
patent: 6322145 (2001-11-01), Melgarejo et al.
patent: 6523895 (2003-02-01), Vogtherr
patent: 7000987 (2006-02-01), Staarink
patent: 2001/0054836 (2001-12-01), Vik

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