HOUSEHOLD DEVICE WITH RETURN ELEMENT Russian patent published in 2019 - IPC D06F39/14 

FIELD: physics.

SUBSTANCE: invention relates to a household appliance (100), comprising housing (101), instrument door (105) for closing housing (101), door locking device (123) for locking instrument door (105) in the closed state, while instrument door (105) in the closed state applies return force (133) to door locking device (123), signalling device (121) for signalling and control device (119) for controlling signalling device (121). Locking device (123) contains return element (131) for registering return force (133).

EFFECT: control device (119) is configured to activate signalling device (121) to give a signal if the registered return force (133) overcomes the threshold value of the return force.

15 cl, 5 dwg