Patent ID: 7901170
Filing Date: 2011-03-08
Classification: B25B,B25J,Y10S

Abstract:
1. A holding device for holding an object, which has an opening, the device comprising: a first member for being inserted into the opening of the object, wherein the first member has a cylindrical shape extending along with an axial direction of the cylindrical shape, which is in parallel to an axial direction of the opening of the object, wherein the first member includes a plurality of divisional portions, which are divided by a plurality of notches extending from one end of the cylindrical shape along with the axial direction of the cylindrical shape, and wherein the one end of the cylindrical shape is to be inserted into the opening of the object; and a second member including a shaft and a head, wherein the shaft is movable within the cylindrical shape in the axial direction of the cylindrical shape, the head is disposed on one end of the shaft, and wherein the head is smaller than a dimension of the opening of the object and larger than an inner dimension of the cylindrical shape; and a third member disposed on an outside of the first member; wherein each divisional portion is expandable at the one end of the cylindrical shape by the head of the second member so that the expanded divisional portion holds the object when the first member together with the second member is inserted into the opening of the object, and the first member is relatively displaced toward the second member, the second member, together with the expanded divisional portions, is movable in an axial direction of the cylindrical shape after the divisional portions are expanded, and the third member and the expanded divisional portions sandwich the object.