Patent ID: 7017895
Filing Date: 2006-03-28
Classification: B25B,B62D

Abstract:
1. A positioning and clamping device for positioning and clamping a work panel that has a locating opening formed therethrough, comprising: a hollow post member; a locating pin mounted on the post member, the locating pin being formed with a work seating surface onto which a peripheral portion of the locating opening of the work panel is seated when the locating pin is inserted into the locating opening; a slit defined in the locating pin and having a first portion exposed to the outside of the locating pin and a second portion exposed to the interior of the post member; a clamp arm axially movably received in the slit and having a hook-shaped head portion exposed to the first portion of the slit and a base portion exposed to the interior of the post member, the clamp arm being movable between a clamp position wherein the hook-shaped head portion is positioned near the work seating surface while projecting outward from the first portion of the slit and an unclamp position wherein the hook-shaped head portion is positioned away from the work setting surface while being retracted in the first portion of the slit; a drive mechanism installed in the interior of the post member to axially move the clamp arm between the clamp and unclamp positions; and a guard structure that isolates the interior of the post member from the interior of the slit while permitting the axial movement of the clamp arm in the slit.