LOCK WITH LATCH RELEASE AND ITS LOCKING WHEN THE BAR IS EXTENDED Russian patent published in 2019 - IPC E05B61/00 

FIELD: locking devices.

SUBSTANCE: invention relates to locking devices and can be used in mortise and overhead locks with latch. In housing 1 there is latch 2, which is hingedly connected to link 8, bar 3 to plate 4. Rotary table 5 is installed on the axis of rotation of handle 6. Part 7 is installed in housing 1 with the possibility of rotation when bar 3 extends from the housing. Latch 2 is connected with bracket 9 with possibility of joint movement. Part 7 is installed on the axis of filleted handle 6 with the possibility of lifting link 8 at turning of part 7 when bar 3 extends and possibility interacts with bracket 9 of latch 2. Rotary table 5 is installed with the possibility of engagement with link 8 at the turn of window handle 6 and introduction of latch 2 into body 1 and with the possibility of interaction with bracket 9 with lifted link 8 and absence of engagement with it.

EFFECT: invention makes it possible to reduce the size of the lock by placing part 7 on the axis of handle 6, and also provides locking the latch in the disconnected state.

1 cl, 4 dwg