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US 4,541,314 AGranted
Power driven hand tool
OwnerRichard Korkowskiinventor
Life of this patent
Estimating the term…
Abstract
The invention concerns a manually power driven screwdriver, awl, nutdriver or the like having a handle shaped and dimensioned on its external circumferential surface to be mated with and driven by a conventional female ratchet or socket. Great torque and axial pressure may be applied via the power driven tool, facilitating the removal of frozen bolts, nuts, screws, etc.
Claims3
A hand tool, power driven by a ratcheting mechanism, the hand tool comprising in combination:
- a shank having a longitudinal axis;
- an elongated cylindrical handle having a rounded distal end, a shank end to which the shank is attached, a first circumferential surface of smaller diameter than cylindrical handle with a plurality of faces at the distal end of the handle and a second circumferential surface of smaller diameter than cylindrical handle with a plurality of faces at the shank end of the handle,
- a ratcheting mechanism engagable with said plurality of faces,
- wherein the ratcheting mechanism engages the hand tool via the plurality of faces for driving the hand tool about the longitudinal axis of the shank, said ratcheting mechanism being so positioned that the rounded distal end of the handles protrudes there through.
1 more element
Dependencies are inferred from the claim text.