Patent ID: 6473955
Filing Date: 2002-11-05
Classification: B21J,B25B,Y10T

Abstract:
A pulling gun for deploying expanding anchors, comprising:a lever having an upper pin mounted to a top end thereof to pivotally engage with a guide sleeve and a first upper section and a first lower section, the guide sleeve having two side walls each having an upper flange and a lower flange bending inwards from the top end and the bottom end thereof, and a first front wall having a first notch with an opening facing upward; and a handle having a second upper section pivotally engaged with the first upper section of the lever and a second lower section which is pivotally engaged with a spring which in turn pushes the first lower section and the second lower section apart and bifurcated at a front position and a rear position, the second upper section being engaged with a pulling sleeve which is coupled with the interior of the guide sleeve, the pulling sleeve having two side walls which have respectively a slot in parallel with each other, the upper pin of the lever being movable in the slots, the pulling sleeve further having a second front wall which has a second notch formed thereon matching and contactable with the first notch; wherein the pulling sleeve is movable linearly and in parallel in the guide sleeve through bordering of the upper flange and the lower flange and channeling of the parallel slots about the upper pin anchored on the guide sleeve to generate a linear and parallel pulling force.