BLIND UP-DOWN OPERATING DEVICE

摘要

PURPOSE: A driving device for blind is provided to enable anybody to easily control lifting of blind since the blind can easily lift through operation of a push switch. CONSTITUTION: A driving device for blind comprises a base frame(10), a rotating member(20), a spring(30), an operating lever(40) and a push switch(50). The base frame passes through blind fabric to control lifting of the blind fabric. Control strings downwardly extended through the blind fabric are guided. The rotating member is inserted into a fixed protrusion(11) and is rotatably mounted. A spring holding groove is formed on the top of the rotating member. A winding groove is formed on the rotating member. The spring is placed in the spring holding groove of the rotating member.