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US 2002/0170394 A1Published application
Screwdriver assembly
OwnerChiung-Chang Tsaiinventor
Life of this patent
Estimating the term…
Abstract
A screwdriver assembly includes a first screwdriver and a second screwdriver connected to each other. The two screwdrivers have different specifications to be used in different working conditions and are packaged and marketed together to reduce the packaging cost.
Claims2
A screwdriver assembly comprising:
- a first screwdriver including a long handle (11), a shank (12) inserted into the long handle (11), and a first tip (13) detachably inserted into and engaged with the shank (12);
- the long handle (11) having an axial through hole (111) defined through the long handle, the long handle including a first end having a first tube (113) securely received in the long handle (11) and a second end having a cavity defined in the long handle (11) and communicating with the through hole (111) in the long handle (11);
- the shank (12) extending through the first tube (13) to engage the first tube and partially received in the through hole (111) in the long handle (11), the shank (12) having two opposite ends respectively being polygonal for receiving and engaging the first tip (13);
- and
- a second screwdriver having a short handle connected to the second end of the long handle (11), the short handle (21) having an axial stub (211) extending from one end of the short handle (21) and detachably secured in the cavity (112) in the second end of the long handle (11), a second tube (212) centrally secured in the stud (211) for receiving and engaged a second tip (22) in the short handle (21).
2 more elements
Dependencies are inferred from the claim text.