Automatic and variable grip locking pliers

Abstract

A self adjusting grasping pliers. Upper and lower grasping jaws are pivotally connected together. A first handle extends rearward from the upper grasping jaw, and a second handle pivotally connected to the lower grasping jaw extends rearward thereof. A toggle member connects to one end of the second handle extending upwards into the longitudinal slot of the first handle. A pressure adjustment control is connected to one end of the handle, and extends into the handle a distance which is adjustable. A grasping size control rod extends through the pressure adjustment control engaging one end of the toggle member. A spring is located between a stop fixed threaded to the control rod and the pressure adjustment control. The pressure control is adjusted to establish a nominal grasping force. During grasping of an object, the control rod can move against the force of the spring limiting the force exerted on an object between the jaws.

Dependencies are inferred from the claim text.