CABIN DOOR LOCKING DEVICE Russian patent published in 2021 - IPC B60J5/04 B64C1/14 

FIELD: aircraft engineering.

SUBSTANCE: invention relates to aviation. The locking device of the cockpit door contains internal (1) and external (2) handles fixed to the door (3) and interconnected by a rod (4). The internal handle (1) is fixed to the bracket (10) on the inside of the door (3). The shaft of the external handle (2) is fixed to the bracket (5), which is installed on the inside of the door (3). The bracket (5) also has a stop (6), a lower latch (7), a key insert (8), a latch (9), a rocker (18). The locking elements are made in the form of upper (12) and lower (7) latches, which are interconnected by means of a rod (13), and the latch (9) equipped with a support roller (11). A lever (14) and a rocker (15) are fixed to the shaft of the external handle (2), to which a spring-loaded sliding rod (16) is attached at one end, which is connected to the rod (13) at the other end. The locking spring (17) is fixed to the rod (13) with one end, which is fixed to the door (3) with the other end. Additionally, the key insert (8) is installed on the door (3).

EFFECT: increase in the reliability of the locking device and the safety of operation is achieved, the operational characteristics of the locking device of the cockpit door are improved.

3 cl, 2 dwg