Patent ID: 6145415
Filing Date: 2000-11-14
Classification: B25B

Abstract:
A pair of pliers comprising:a head comprising a first part, a second part and a third part, said second part fixedly connected between said first part and said third part, each of said first part and said third part having a slot defined therethrough and a first fixed jaw member extending laterally therefrom, said second part having a second fixed jaw member sandwiched between said two first fixed jaw members, a recess defined in said second fixed jaw member and a plate extending inclinedly from said second fixed jaw member, said plate having a guide surface defined in one of two sides thereof, a shoulder portion connected between said plate and said recess;a handle having an action end pivotally connected between said first part and said third part;a movable jaw movably received between said first part and said third part, a first spring having one end thereof connected to said movable jaw and the other end of said first spring securely received in said recess of said second part, said movable jaw having two protrusions extending laterally from two opposite faces thereof and respectively and movably received in said two slots of said first part and said third part, a toothed portion defined in an end of said movable jaw, anda pawl member movably installed between said movable jaw and said plate of said second part, said pawl member having the first end thereof contacting said action end of said handle between said first part and said third part, a second spring connected between the second end of said pawl member and said shoulder portion of said second part, said pawl member having a first side slidable on said guide surface of said plate and a second side having a toothed surface which is disengagably engaged with said toothed portion of said movable jaw.