发明名称 |
CHAIR BACKREST DEVICE |
摘要 |
<p>A chair backrest device comprising a backrest frame and a backrest shell supported by the backrest frame, the backrest shell comprising a back frame and a flexible back support within the back frame, the back support being the thickest in middle of a width direction and gradually getting thinner horizontally from the middle toward each side.</p> |
申请公布号 |
CA2756711(C) |
申请公布日期 |
2014.03.25 |
申请号 |
CA20072756711 |
申请日期 |
2007.11.09 |
申请人 |
OKAMURA CORPORATION |
发明人 |
MASUNAGA, HIROSHI;IGARASHI, RYO;ODA, YOICHIRO |
分类号 |
A47C7/40;A47C3/026;A47C7/44 |
主分类号 |
A47C7/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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