FOLDABLE CHAIR |
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| 申请号 | US15253831 | 申请日 | 2016-08-31 | 公开(公告)号 | US20180055231A1 | 公开(公告)日 | 2018-03-01 |
| 申请人 | OMAR EMAD HAMID; | 发明人 | OMAR EMAD HAMID; | ||||
| 摘要 | A foldable chair includes a seat panel having a first end portion and a second end portion, a pivotable support having a first end portion and a second end portion, the first end portion of the pivotable support pivotally connected to the first end portion of the seat panel, and a variable resistance support assembly pivotally coupled to the second end portion of the seat panel for selectively raising and lowering the seat panel. The variable resistance support assembly can include a housing, with a first spring and a second spring stored therein. The first spring can have a first pressure load and the second spring can have a second pressure load that is less than the first pressure load. | ||||||
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| 说明书全文 | |||||||
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