| 摘要 |
PURPOSE: A thumb turn clutch structure is provided to improve the security and operating reliability of a door lock. CONSTITUTION: A thumb turn clutch structure comprises a main body (100), a rotating part (40), and a thumb turn knob (10). The main body forms an opening part (102) at front. The opening part forms at least one groove (101) and installed at the inside of a door. The rotating part is positioned at the inside of the main body and forms a connecting end (41). The connecting end is mounted at the position corresponding to the opening part and drives the dead bolt of a door lock by rotation. The thumb turn knob is mounted at the front of the opening part of the main body for rotating with the rotating part at the opening part and forms a pair of exposing holes (11, 12) at a front side. |
