Title:
ELECTRIC RADIAN LOCK AND BACK SUPPORT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/244192
Kind Code:
A1
Abstract:
An electric radian lock and a back support device. An electric radian lock (200) comprises a first base body (210), a second base body (220), and a multi-link angle adjustment mechanism (230) connected between the first base body (210) and the second base body (220); the first base body (210) is fastened on a back support unit, and the first base body (210) is provided with a servo motor having a self-locking function and used for driving the multi-link angle adjustment mechanism (230) to work, so that the second base body (220) is driven by the multi-link angle adjustment mechanism (230) to perform arcuate motion relative to the first base body (210); the second base body (220) is provided with movable bolts (250) and a motor-driven bolt screwing mechanism (260), and a fastened connection between the second base body (220) and another adjacent back support unit is achieved by the movable bolts (250) driven by the motor-driven bolt screwing mechanism (260). The electric radian lock has the advantages of a large angle adjustment range, high adjustment precision, convenient operation, and a high automation degree.
Inventors:
HE JINFENG (CN)
ZHAO YONGCHUN (CN)
ZHAO YONGCHUN (CN)
Application Number:
PCT/CN2019/126398
Publication Date:
December 10, 2020
Filing Date:
December 18, 2019
Export Citation:
Assignee:
UNILUMIN GROUP CO LTD (CN)
International Classes:
F16B5/00; G09F7/00; G09F9/33
Foreign References:
| CN110159619A | 2019-08-23 | |||
| CN108150493A | 2018-06-12 | |||
| CN208778475U | 2019-04-23 | |||
| CN108317139A | 2018-07-24 | |||
| CN108150494A | 2018-06-12 | |||
| CN109523929A | 2019-03-26 | |||
| CN208061590U | 2018-11-06 | |||
| DE202018100152U1 | 2018-03-01 |
Attorney, Agent or Firm:
SHENZHEN XIECHENG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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