| 摘要 |
FIELD: construction. ^ SUBSTANCE: lock comprises secrecy mechanism installed in body and interacting with level and lock, and spring-loaded lever of handle that interacts with latch. Lever is equipped with cam and has the possibility of rotation. On axis fixed in body, there is yoke installed parallel to motion of bolt. Cam has two faces, the first of which as handle rotates presses one arm of yoke, the second arm of which may lift level, and the second face is arranged with the possibility of rolling along the first arm of yoke. ^ EFFECT: improved convenience in use due to unlocking of bolt only by handle movement and fire safety. ^ 14 dwg |
