| 摘要 |
A shear device includes a pair of handles having one end pivotally coupled together at a pivot shaft, and a pair of cutter blades secured to the handles and each having a notch. A knob is slidably engaged in the handles and includes a pin for engaging with the notches and for securing the cutter blades together. A button is slidably engaged in one of the handles. The knob includes a pawl for hooking to the button and for securing the knob to the button such that the knob may be secured to the handles and such that the pin may not be disengaged from the notches of the cutter blades. |
