A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a chain lock capable of being lengthened. The chain lock comprises a chain body, a lock body, a lengthened chain containing box, a stretchable button and a lock catch; the lock body is arranged at one end of the chain body, and the lock catch is arranged at the other end of the chain body; the lengthened chain containing box is arranged on the chain body; and the stretchable button is arranged on the lengthened chain containing box. By means of the manner, the length can be adjusted according to needs, and convenience is brought to actual utilization.
The invention discloses a chain lock capable of being lengthened. The chain lock comprises a chain body, a lock body, a lengthened chain containing box, a stretchable button and a lock catch; the lock body is arranged at one end of the chain body, and the lock catch is arranged at the other end of the chain body; the lengthened chain containing box is arranged on the chain body; and the stretchable button is arranged on the lengthened chain containing box. By means of the manner, the length can be adjusted according to needs, and convenience is brought to actual utilization.
Chain lock capable of being lengthened
LU ZHONGMING (author)
2015-11-11
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser
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