CURVED LOCK AND LED DISPLAY SCREEN HAVING SAID CURVED LOCK

Title:

CURVED LOCK AND LED DISPLAY SCREEN HAVING SAID CURVED LOCK

Document Type and Number:

WIPO Patent Application WO/2019/153424

Kind Code:

A1

Abstract:

Provided are a curved lock and an LED display screen having said curved lock; said curved lock (200) comprises a first angle connecting plate (210), a second angle connecting plate (220), and a multi-connecting-rod mechanism (230) which drives, by means of an accommodating adjusting member (231), a second inclined surface of the second angle connecting plate (220) in curved motion relative to a first inclined surface of the first angle connecting plate (210); the multi-connecting-rod mechanism (230) further comprises a first long-connecting-rod frame body (232), a second long-connecting-rod frame body (233), a first short-connecting-rod frame body (234), and a second short-connecting-rod frame body (235); the first long-connecting-rod frame body (232) and the second long-connecting-rod frame body (233) are alternately rotationally arranged; the first long-connecting-rod frame body (232) and first short-connecting-rod frame body (234) are sequentially connected between a first side of the first inclined surface and a second side of the second inclined surface; the second long-connecting-rod frame body (233) and second short-connecting-rod frame body (235) are sequentially connected between a first side of the second inclined surface and a second side of the first inclined surface; each connection is a rotational connection. The apparatus has high precision in angular adjustment and is easy to use.

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Inventors:

HE JINFENG (CN)

Application Number:

PCT/CN2018/079016

Publication Date:

August 15, 2019

Filing Date:

March 14, 2018

Export Citation:

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Assignee:

UNILUMIN GROUP CO LTD (CN)

International Classes:

F16B5/00

Domestic Patent References:

WO2017120769A1

2017-07-20

Foreign References:

CN107588066A	2018-01-16
CN202871203U	2013-04-10
CN102855824A	2013-01-02
CN107013538A	2017-08-04
CN107403593A	2017-11-28

Attorney, Agent or Firm:

GUANGDONG GUANGHE LAW FIRM (CN)

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