Back supporting device

Details Back supporting device Back supporting device

2011-08-09

2011-08-09

White, Rodney B (Department: 3636)

Chairs and seats

Supplemental back

C297S230110, C297S230120, C297S230130, C297S230140, C297S219120

Reexamination Certificate

active

07992935

ABSTRACT:
The present invention concerns a back support device (60) for use in a children's chair (1) wherein the children's chair comprises at least one backrest, two side pieces (5), one seat plate (2) and one safety bow (100) with ends (101), wherein the safety bow (100) is detachably fastened to the side pieces (5) and wherein the backrest or the side pieces have at least one opening or groove each, wherein the back support device (60) comprises: a top part (61) stretching beyond the backrest in height; left and right arms (63) for at least partly inlay in the opening(s) or groove(s) in the backrest or the side pieces; wherein parts of the arms (63) are locked in said opening(s) or groove(s) by the safety bow (100). The invention also concerns the use of the back support device, and a children's set comprising the back support device and use of the children's set.

REFERENCES:
patent: 132762 (1872-11-01), Haupt
patent: 375471 (1887-12-01), Binder
patent: 769495 (1904-09-01), Schroeder
patent: 2008392 (1935-07-01), Heller
patent: D362554 (1995-09-01), Grundner
patent: D365449 (1995-12-01), Wood
patent: 5860696 (1999-01-01), Opsvik et al.
patent: D590608 (2009-04-01), Ebina
patent: D599143 (2009-09-01), Opsvik
patent: D614893 (2010-05-01), Opsvik
patent: 9312828 (1993-11-01), None
patent: 95/30360 (1995-11-01), None

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