| 摘要 |
FIELD: locks, particularly door opening systems. ^ SUBSTANCE: door opening system comprises horizontal spring-loaded latch 3, which may be activated by means of unit 10 of executive mechanism. The executive mechanism comprises the first and the second movable executive members 19, 20, which may act in the first and in the second positions correspondingly. In the first position latch passes outwards from the first enclosing case side. In the second position, which is diametrically opposite to the first one, the latch extends outwards from opposite enclosing case side. ^ EFFECT: increased ability of door installation and reduced manufacturing costs. ^ 4 cl, 7 dwg |
