| 摘要 |
A pair of shears include a first cutter 10, a second cutter 20 pivotally connected with the first cutter, a driving arm 30 pivotally connected with the first cutter and engaging the second cutter, and a limit plate 50 abutting the second cutter and the driving arm. The second cutter has a first toothed rack 24. The driving arm has a second toothed rack 33 meshing with the first toothed rack of the second cutter. The limit plate having a slot 52 which is connected to a through hole 25 on the second cutter by pivot set 60d. The second cutter is pivotally connected with the first cutter by pivot set 60a, and the driving arm is pivotally connected with the first cutter by pivot set 60b so that the second cutter and the driving arm are connected with the first cutter respectively to evenly distribute a shearing force applied on the shears. |
