Lifting desk and chair
A lifting desk comprises a desktop, a base and a lifting mechanism. The lifting mechanism comprises a sleeve, an upper screw rod and a lower screw rod; the sleeve is up-down through; the upper screw rod extends into the sleeve from the top end of the sleeve and is in threaded connection with an uppe...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
19.05.2020
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Subjects | |
Online Access | Get full text |
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Abstract | A lifting desk comprises a desktop, a base and a lifting mechanism. The lifting mechanism comprises a sleeve, an upper screw rod and a lower screw rod; the sleeve is up-down through; the upper screw rod extends into the sleeve from the top end of the sleeve and is in threaded connection with an upper port of the sleeve; the lower screw rod extends from the bottom end of the sleeve and is in threaded connection with the lower port of the sleeve; the lower screw rod is hollow, and the upper screw rod can extend into the lower screw rod; a first clamping structure is arranged in the sleeve closeto the top; a second clamping structure is arranged at the bottom end of the upper screw rod; the second clamping structure is matched with the first clamping structure when rising to the top of the sleeve in a rotating mode, and the sleeve rotates along with the upper screw rod; when the sleeve descends to the top end of the lower screw rod and abuts against the first clamping structure, the first clamping structure is s |
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AbstractList | A lifting desk comprises a desktop, a base and a lifting mechanism. The lifting mechanism comprises a sleeve, an upper screw rod and a lower screw rod; the sleeve is up-down through; the upper screw rod extends into the sleeve from the top end of the sleeve and is in threaded connection with an upper port of the sleeve; the lower screw rod extends from the bottom end of the sleeve and is in threaded connection with the lower port of the sleeve; the lower screw rod is hollow, and the upper screw rod can extend into the lower screw rod; a first clamping structure is arranged in the sleeve closeto the top; a second clamping structure is arranged at the bottom end of the upper screw rod; the second clamping structure is matched with the first clamping structure when rising to the top of the sleeve in a rotating mode, and the sleeve rotates along with the upper screw rod; when the sleeve descends to the top end of the lower screw rod and abuts against the first clamping structure, the first clamping structure is s |
Author | LI JIECHENG |
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DocumentTitleAlternate | 一种升降课桌及课椅 |
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RelatedCompanies | LANGFANG XING'AN WOOD INDUSTRY CO., LTD |
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Snippet | A lifting desk comprises a desktop, a base and a lifting mechanism. The lifting mechanism comprises a sleeve, an upper screw rod and a lower screw rod; the... |
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SubjectTerms | BEDS CABINETS CHAIRS COFFEE MILLS DESKS DOMESTIC ARTICLES OR APPLIANCES DRAWERS FURNITURE GENERAL DETAILS OF FURNITURE HUMAN NECESSITIES OFFICE FURNITURE SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL TABLES |
Title | Lifting desk and chair |
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