| 摘要 |
A hinge includes first and second holders, which are fixedly inserted in a doorframe and a door plank respectively, and a hinge pivoting the holders together; the hinge includes several first and second bent arms, which have first and second holes on two tail ends, and an intermediate hole; a pivotal pin is passed through the intermediate holes; another pin is passed through the first holes of the first arms to pivot the first arms to the first holder; yet another pin is passed through the first holes of the second arms to pivot the second arms to the second holder; a sliding pin is passed through the second holes of the first arms and passed into opposing upper and lower slots of the second holder; a second sliding pin is passed through the second holes of the second arms and passed into opposing slots of the first holder. |
