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发明授权
CN1823657B 座椅及其支撑机构单元 失效 - 权利终止

座椅及其支撑机构单元
摘要：
本发明提供一种座椅及其支撑机构单元。座椅具有：固定在脚支柱(5)上的基座(6)、后倾动自如地安装在基座(6)上的靠背支撑单元(13)、安装在靠背支撑单元(13)上的靠背(3)和支撑靠背支撑单元(13)的后倾动的弹簧单元(14)。弹簧单元(14)在俯视面上呈向前后方向伸缩的状态，其被配置在比靠背支撑单元(13)的倾动支点(16a)更靠后方的位置。由靠背支撑单元(13)、弹簧单元(14)和基座(6)构成一种连接机构，弹簧单元(14)，以其前端为中心一边后倾动一边伸缩。
摘要（英）：

A chair is provided with a base 6 fixed at an upper end of a leg pillar 5 , a back support unit 13 attached to the base 6 so as to tilt backward, a backrest 3 attached to the back support unit 13 , and a spring unit 14 supporting the backward tilt of the back support unit 13 . The spring unit 14 is to expand and contract in a back and forth direction when viewed from above and arranged further behind than a tilt supporting point 16 a of the back support unit 13 . The back support unit 13 , the spring unit 14 , and the base 6 constitute a kind of link mechanism and the spring unit 14 will expand and contract mainly at the front end, while tilting backward.

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