DEVICE FOR AUTOMATIC SHUTDOWN OF ELECTRICAL APPLIANCES Russian patent published in 2022 - IPC E05B63/00 

FIELD: electrical engineering.

SUBSTANCE: invention relates to hardware products installed in the entrance doors of hotel rooms, and is intended to turn off electrical consumers left on when a guest leaves the room. The device for automatic disconnection of electrical appliances contains an electrical contact and a lever lock. The lock consists of a housing with a guide for the key placed in the guide groove of the bolt fixed on the bolt plate. The plate is equipped with a comb, a locking rack and a groove for sliding along a cylindrical guide. The bolt locking device includes a set of spring-loaded levers that are moved vertically along cylindrical guides. The levers are made with code protrusions formed by openings for interaction with the locking rack. The double-bit key has an element on the bit that interacts with an additional lever when closing the lock from the corridor. The electrical contact is located in the lock housing and is made interacting with the introduced additional lever when it is at the bottom. The additional lever is equipped with a horizontal shelf that interacts with the locking rack in the position when the lock is closed for at least half a turn of the key.

EFFECT: advantage of the invention is that the electrical contact is moved from the jamb inside the lock housing while maintaining the function of not turning off electricity when closing the room from the inside and maintaining the function of turning off electricity when the lock is closed from the outside.

1 cl, 4 dwg