Patent ID: 7954217
Filing Date: 2011-06-07
Classification: B25B,Y10T

Abstract:
1. A seal ring dismounting device comprising: a handle; a shank having a first section and a second section which is connected to the first section at an angle, the first section connected to the handle and the second section including first teeth defined in a lower side thereof; an operation plate having a first end connected to the second section and a hook portion formed on a second end of the operation plate; a rod movably connected to the second section and a U-shaped frame mounted to the second section and connected to the rod, the frame including a horizontal portion and two sidewalls are connected on two sides of the horizontal portion, the second section located between the horizontal portion and a first end of the rod, second teeth defined in the first end of the rod so as to be engaged with the first teeth, and a spring member located between the horizontal portion and the second section so as to lift the frame together with the rod upward and engage the second teeth with the first teeth.