Title:
LOCK AND DOOR THAT PREVENT NON-NORMAL OPENING
Document Type and Number:
WIPO Patent Application WO/2014/106374
Kind Code:
A1
Abstract:
A lock that prevents non-normal opening, comprising a lock plate (1), an opening assembly (4), a bolt assembly (2), and a transmission assembly (3). When a bolt (26) is fully extended, the base of the inclined surface (266) of the bolt (26) is a certain distance (B) away from a top cover (22), the distance (B) being greater than the gap between a door (8) and a door frame (7). The lock also comprises a shaft sleeve (5) and a pushing tab (6). The lock plate (1) and the shaft sleeve (5) are fixedly connected. The pushing tab (6) slides inside of the shaft sleeve (5). The bolt assembly (2) is arranged on the door frame (7) or pre-fixed on the door. The lock plate (1), the shaft sleeve (5), the pushing tab (6), and the transmission assembly (3) are all on the door. Hence, a thin item inserted from outside of the room into the gap between the door (8) and the door frame (7) cannot push the bolt out of the lock plate.
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Inventors:
GONG ZHU (CN)
Application Number:
PCT/CN2013/079172
Publication Date:
July 10, 2014
Filing Date:
July 11, 2013
Export Citation:
Assignee:
GONG ZHU (CN)
International Classes:
E05B55/00
Foreign References:
| CN2364154Y | 2000-02-16 | |||
| TW442609B | 2001-06-23 | |||
| CN2063964U | 1990-10-17 | |||
| CN2315221Y | 1999-04-21 | |||
| CN1128834A | 1996-08-14 | |||
| CN102359335A | 2012-02-22 | |||
| US4301667A | 1981-11-24 |
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