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Electromagnetic Opening Device for safe deposit box
An electromagnetic opening device comprises a housing, a fixed iron core, a movable iron core having a bottom end engaging with the fixed iron core, a shaft sleeve that sleeves a top end of the movable iron core and extends outside of the housing, and an electromagnetic coil, and a vibration sensing mechanism comprising a sensing block having a rotation shaft, a stopping end and a balancing end located on two sides of the movable iron core. A bottom of the stopping end is rotationally connected onto the housing through the rotation shaft. When the sensing block compresses a balance spring disposed between the balancing end and the housing through the rotation of the rotation shaft, the stopping end abuts against the shaft sleeve. The vibration sensing mechanism effectively prevents a mistaken shrinkage of the shaft sleeve of the movable iron core and abnormally opening of a safe deposit box.
Electromagnetic Opening Device for safe deposit box
An electromagnetic opening device comprises a housing, a fixed iron core, a movable iron core having a bottom end engaging with the fixed iron core, a shaft sleeve that sleeves a top end of the movable iron core and extends outside of the housing, and an electromagnetic coil, and a vibration sensing mechanism comprising a sensing block having a rotation shaft, a stopping end and a balancing end located on two sides of the movable iron core. A bottom of the stopping end is rotationally connected onto the housing through the rotation shaft. When the sensing block compresses a balance spring disposed between the balancing end and the housing through the rotation of the rotation shaft, the stopping end abuts against the shaft sleeve. The vibration sensing mechanism effectively prevents a mistaken shrinkage of the shaft sleeve of the movable iron core and abnormally opening of a safe deposit box.
Electromagnetic Opening Device for safe deposit box
LIU ANDREW (author) / CHEN SMITH (author)
2019-05-14
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser
/
A45C
Geldbehälter
,
PURSES
/
E05C
Riegel oder Feststellvorrichtungen für Flügel, insbesondere für Türen oder Fenster
,
BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
/
E05G
Tresore oder Panzerkammern für Wertsachen
,
SAFES OR STRONG-ROOMS FOR VALUABLES
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