Patent ID: 7018298
Filing Date: 2006-03-28
Classification: F16D,Y10S

Abstract:
1. A pivotal driving tool assembly comprising: a first component including a first end having an engaging device provided thereon, and including a second end having a cavity formed therein and having a non-circular cross section defined by at least three planer side walls, said first component including an inner peripheral groove formed in said second end thereof, distal to said engaging device, said first component including at least one depression formed therein, a retaining ring engaged in said inner peripheral groove of said first component, a second component including a first end having a driving shank provided thereon and having a non-circular cross section defined by at least three curved side walls, for engaging into said non-circular cavity of said first component, said at least three curved side walls of said second component being engageable with said at least three planer side walls of said first component, to allow said first component to be rotated and driven by said second component, said second component including at least one spring biased projection provided therein and engageable with said at least one depression of said first component, to anchor said driving shank of said second component to said first component, said second component including a narrowed neck portion provided in a middle portion thereof and close to said driving shank thereof, to allow said second component to be pivoted relative to said first component, and to allow longitudinal axes of said first and said second components to be pivoted relative to each other to different angular positions, said second component including at least one flat surface formed in said middle portion thereof, and arranged to have said narrowed neck portion located between said at least three curved side walls and said at least one flat surface thereof, to selectively engage with said at least three planer side walls of said first component, and to solidly anchor said driving shank of said second component to said first component, a magnetic member disposed in said first component, for acting on and for selectively pulling said driving shank of said second component into said cavity of said first component, and a barrel slidably engaged onto said first component, and movable relative to said first component, to selectively engaged onto and disengaged from said second component.