| 摘要 |
A hinge 10 comprising first and second arms 11, 12 are inter-connected by an intermediate pivot 13, which passes through their centres, so that they can be moved together and apart in a scissor-like action. Arm 12 is split into two portions 14, 15, which lie above and below the arm 11 to sandwich the arm. The arm 11 is connected between a fixed pivot 16 and a sliding or movable pivot 17, whilst correspondingly the arm 12 extends between a fixed pivot 18 and a slideable pivot 19. The pivot 13 is formed by a rivet 40 having a square section 40b and a hollow cylindrical extension 40c for forming a rolled rivet to allow control of the compression at the pivot. The square cross section of the pivot drivingly engages in square holes in the first and second halves of arm 12. |
