Patent ID: 6125517
Filing Date: 2000-10-03
Classification: B25B,Y10T

Abstract:
A pair of pliers for loading-unloading E-type clamping piece, comprising:a clamping operational strip in long and flat shape, wherein a C-opening is formed at one end and a crotched opening at the other; the edge of said C-opening in one face of said clamping operational strip is further cut to form a shallow step; said C-opening communicates inwards with a penetration hole en route and a through hole by end of a long channel; said crotched opening communicates inwards with a penetration hole via a long channel; a first and a second jut and a concave bearing face located between said two juts, are disposed at each lateral side near mouth of said long channel respectively;a handgrip having an inside flat insertion slot at one end, wherein said handgrip is perforated to form a through hole, penetrating said flat insertion slot at a position corresponding to said penetration hole, in the clamping operational strip for a movable pin to go through; a first circular groove is arranged near central portion of said movable pin, which is clad with an umbrella-shaped spring and inserted in said through hole, in said handgrip; said spring is squeezed by pin head of said movable pin and the upper face of said of said handgrip; the tail end of said movable pin penetrating said through hole in the bottom face of said handgrip is activity limited to avoid escaping.