Patent ID: 7258316

Claim:
An expansible anchor adapted for inserting into a hole formed with a structure, said anchor comprising: a load cable; a center chock attached to an end of said load cable, and comprising a bearing shoulder and an integrally-formed cable connector secured to said load cable; at least one side chock adjacent to said center chock and adapted for movement between an anchor-contracting position and an anchor-expanding position, whereby in said anchor-contracting position, said anchor is readily inserted into and removed from the hole of the structure, and in said anchor-expanding position, said anchor is locked inside the hole of the structure; a chock-release column having a hollow end receiving the cable connector of said center chock and bearing against the bearing shoulder of said center chock, and said chock-release column further comprising an enlarged head adapted for locating outside of the hole, said enlarged head defining a striking surface adapted for receiving a sudden force and transferring the force through said chock-release column to said center chock, such that said at least one side chock is movable from the anchor-expanding position to the anchor-contracting position to thereby dislodge said anchor from the hole of the structure; and a handle carried by said load cable and adapted for moving said second at least one side chock from the anchor-expanding position to the anchor-contracting position.