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US 2011/0079118 A1Published application
Hand tool
AssigneeTien-I Industrial Co., Ltd.
InventorLARRY LEE
Life of this patent
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Abstract
A hand tool of the present invention includes a main body and a sleeve element. The sleeve element is rotatably disposed on the main body. As such, a using can hold the sleeve element while rotating the main body quickly to drive a workpiece.
Claims3
A hand tool, comprising:
- a main body, comprising a handle portion and a working portion disposed on the handle portion, the main body being rotated about an axis of the working portion as the hand tool being operated, the working portion being formed with an annular groove on a periphery thereof;
- a sleeve element, comprising, a first sleeve, a second sleeve and several ball members, the first sleeve being tube shaped and rotatably disposed on the working portion, the first sleeve being spaced formed with several through holes corresponding to the annular groove, the ball members being installed in the through holes, the second sleeve being fixed to the first sleeve and abutting against one side of each ball member, an opposite side of each ball member being protrusive from its corresponding through hole and engaging with the annular groove.
Dependencies are inferred from the claim text.