Title:
ONE-WAY LATCH BOLT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/107975
Kind Code:
A1
Abstract:
A one-way latch bolt device, mounted inside a housing. The one-way latch bolt device comprises a head, a linkage member movably connected to the head, a guide block movably snap-connected to the head; the head comprises a rotating portion; the linkage member comprises a shaft lever movably connected to the rotating portion, so that the head can be rotated about the shaft lever; the guide block comprises a snap protrusion movably snap-connected to the rotating portion; when the snap protrusion is snap-connected to the rotating portion, the head is limited. The one-way latch bolt of this utility model can be rotated to retract into the housing, so that the lock cylinder can be arbitrarily selected to be mounted indoors or outdoors, and thus is convenient to use.
Inventors:
ZHANG YUZHONG (CN)
Application Number:
PCT/CN2019/103408
Publication Date:
June 04, 2020
Filing Date:
August 29, 2019
Export Citation:
Assignee:
INNO ELECTRIC INC (CN)
International Classes:
E05B15/10
Foreign References:
| CN2661843Y | 2004-12-08 | |||
| CN1697911A | 2005-11-16 | |||
| CN207131193U | 2018-03-23 | |||
| CN108756512A | 2018-11-06 | |||
| CN108204174A | 2018-06-26 | |||
| CN202324828U | 2012-07-11 | |||
| EP3098371A1 | 2016-11-30 |
Attorney, Agent or Firm:
B&A PATENT LAW FIRM (CN)
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