SPACIOUS SHELF CAPABLE OF FOLDING AND UNFOLDING

WIPO Patent Application WO/2019/128822

A1

A spacious shelf capable of folding and unfolding, wherein a lower side of an upper back plate (3) is hinged to an upper side of a lower back plate (1), one side of a top cross beam (5) is hinged to an upper side of the upper back plate (3), and the other side of the top cross beam (5) is rotationally connected to one side of an upper longitudinal beam (9); one side of a bottom cross beam (12) is hinged to a lower side of the lower back plate (1), the other side of the bottom cross beam (12) is rotationally connected to one side of a bottom longitudinal beam (13), and two ends of one side of the bottom longitudinal beam (13) are hinged to a middle longitudinal beam (11); two ends of the lower side of the lower back plate (1) are respectively hinged to a back plate bottom longitudinal beam (17); and a back plate bolt assembly (8) for achieving relative angle fixation between the upper back plate (3) and the lower back plate (1) is installed on a surface of the upper back plate (3) facing the cross beams and the longitudinal beams. The described spacious shelf capable of folding and unfolding features an easy folding and unfolding process, is easy to store in the folded state, is highly stable after being unfolded, and is suitable for occasions in the field of aerospace which have high requirements for storage and for folding to unfolding ratio.

LIU JINGUO (CN)
CHEN KELI (CN)

PCT/CN2018/122220

July 04, 2019

December 20, 2018

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SHENYANG INST AUTOMATION CAS (CN)

B65G1/02

CN108016796A	2018-05-11
CN207712772U	2018-08-10
CN203753747U	2014-08-06
CA2564664A1	2008-04-19
CN206443420U	2017-08-29
CN204280458U	2015-04-22
CN202335537U	2012-07-18

SHENYANG PATENT & TRADEMARK AGENCY ACADEMIA SINICA (CN)

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