| 摘要 |
An inner hinge has single-hinge U-shaped staple and means for its connection with door frame and door leaf. The U-shaped staple is formed by two rigidly connected to each other angle elements. At that one of angle elements is rigidly connected to the end of the door leaf, and the other angle element is connected to the hinge placed in door frame where technological opening is provided for the staple displacement. |
