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Title:
LOCK-LATCH MECHANISM APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/242179
Kind Code:
A1
Abstract:
A lock-latch mechanism apparatus, comprising a latch mechanism (10), a lock mechanism (20), and a linkage mechanism (30). The latch mechanism (10) comprises a latch shaft (11) rotatably mounted to a cabin door body. The lock mechanism (20) comprises a lock shaft (21) rotatably mounted to the cabin door body, the lock shaft (21) being configured so that the axis of the lock shaft (21) is fixed with respect to the axis of the latch shaft (11). The linkage mechanism (30) comprises a driven member (31) fixedly connected to the latch shaft (11) and a driving member (32) fixedly connected to the lock shaft (21), the driven member (31) comprising a latched driven end part (31a) and an unlatched driven end part (31b), and the driving member (32) driving the driven member (31) to rotate. A latching and locking method using the aforementioned lock-latch mechanism apparatus, and an unlatching and unlocking method using the aforementioned lock-latch mechanism apparatus are used, which implements that a cabin door must be latched before same can be locked during a closing process, and the cabin door must be unlocked before same can be unlatched during an opening process.

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JP3929718CYLINDER LOCK
WO/2004/057141DEVICE FOR POSITIONING A DOOR
Inventors:
WU BIN (CN)
HUANG ZHENTING (CN)
ZHANG ZHONGZHEN (CN)
FEN ZHENGJIU (CN)
YUAN QIANGFEI (CN)
WU RONGRONG (CN)
Application Number:
PCT/CN2021/141949
Publication Date:
November 24, 2022
Filing Date:
December 28, 2021
Export Citation:
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Assignee:
COMMERCIAL AIRCRAFT CORP CN (CN)
COMMERCIAL AIRCRAFT CORPORATION OF CHINA LTD SHANGHAI AIRCRAFT DESIGN AND RES INSTITUTE (CN)
International Classes:
E05B15/00; E05B65/00
Foreign References:
CN113202345A2021-08-03
CN112627653A2021-04-09
CN207469959U2018-06-08
CN109306827A2019-02-05
CN111284680A2020-06-16
CN108166849A2018-06-15
EP2759468A12014-07-30
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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