Patent ID: 7874233
Filing Date: 2011-01-25
Classification: B25B

Abstract:
1. An adaptor tool comprising, in combination: a power input end and a power output end, the tool having an interior bore along its entire length, the tool having an exterior surface with a hexagonal cross sectional configuration along its length from the power input end, the tool having a surface with a square cross sectional configuration from the power output end wherein the tool has a cylindrical interior bore with a circular cross sectional configuration along its entire length, the tool having a first exterior surface with a hexagonal cross sectional configuration along the majority of its length from the power input end, the tool having a second exterior surface with a square cross sectional configuration forming rectangular bearing surfaces along the minority of its length from the power output end, the power output end being of a size to be positioned in a space between a stem and a rotational member with the four rectangular bearing surfaces of the power output end in a force-applying contact with four inwardly facing rectangular surfaces of the rotatable member, the stem being within the bore of the tool.