Movable backrest for a chair

Chairs and seats – Movable back – Tiltable

Reexamination Certificate

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Details

C297S291000, C297S452330

Reexamination Certificate

active

07427107

ABSTRACT:
A movable backrest for a chair comprises a frame that is fixed to the chair, at least a flexible connecting element connected to the frame, and at least a backrest connected to the connecting element. Since the connecting element is flexible, the backrest and the back of the user can be moved simultaneously along with the movement of the back of the user, providing a comfortable support to the back of the user.

REFERENCES:
patent: 1011026 (1911-12-01), Carpenter
patent: 2796920 (1957-06-01), Cowles
patent: 3054643 (1962-09-01), Militano
patent: 3861747 (1975-01-01), Diamond
patent: 3934930 (1976-01-01), Sandham
patent: 4135836 (1979-01-01), Rensland et al.
patent: 4880276 (1989-11-01), Shovar
patent: 5195804 (1993-03-01), Stolle et al.
patent: 5904397 (1999-05-01), Fismen
patent: 6116687 (2000-09-01), Vogtherr
patent: 6406096 (2002-06-01), Barile, Sr.
patent: 6523895 (2003-02-01), Vogtherr
patent: 7063384 (2006-06-01), Liu

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