| 摘要 |
A chair ( 10 ) includes spaced frames ( 11, 12 ) each of which have a lower portion ( 13, 14 ) and an upper portion ( 15, 16 ). The upper ( 15, 16 ) and lower ( 13, 14 ) frame portions are interconnected by curved portions ( 17, 18 ) which extend upwardly and inwardly from the lower frame portions ( 13, 14 ) to the upper frame portions ( 15, 16 ) so that the lower frame portions ( 13, 14 ) are spaced from each other further than the spacing of the upper frame portions ( 15, 16 ). A seat ( 21 ) is carried by the upper frame portions ( 15, 16 ), and caster assemblies ( 42 ) are carried by the lower frame portions ( 13, 14 ). Spreader bars ( 36, 37 ) extend between and attach the lower frame portions ( 13, 14 ) to each other. A tray ( 30 ) is carried by the lower frame portions ( 13, 14 ) and has opposed edges ( 32, 33 ) which are received around the lower frame portions ( 13, 14 ).
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