N a type of lock having a spring-loaded bolt, a key being required only to unlock it 弹簧锁
Unlocking unit suitable for any spring lock features that a key with two toothed sides may be used, and is composed of lock body, lock core, spring and cylinder, and key.
本发明公开了一种能用钥匙的两个齿面开锁的装置。适用于任何弹子锁的开启装置。它是由锁体、锁芯、弹子和钥匙等组成的。
A bolt on a lock that is moved by turning the key or knob without activation of a spring.
一种锁闩，在没有弹簧的作用下，靠转动钥匙或把手使它移动。
In order to improve the security and reliability of lock, a microcomputer code lock actuated by SMA spring is developed.
为了提高锁的安全性和可靠性，设计了一种基于形状记忆合金螺旋弹簧驱动的微电脑密码锁。
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