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US 2006/0075852 A1Published application
Hand tool aided screwdriver
OwnerMichael Huinventor
Life of this patent
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Abstract
A hand tool aided screwdriver related to a ratchet screwdriver that allows operation in changed direction includes a handle, a ratchet holder, a socket, and a chock. The ratchet holder is inserted into a chamber in the handle. The socket is inserted into the ratchet holder. The ratchet holder is provided with an outer ratchet to engage with an inner ratchet in the chock. The chock having a hexagon outer surface to be held by an open end of a spanner to apply force together with the screwdriver in mounting or dismounting a work piece.
Claims3
A hand tool aided screwdriver comprising a handle and a ratchet holder;
- the holder containing a chamber, the chamber containing stoppers each adapted with a spring;
- the chamber being capped with a locking ring;
- the locking ring containing studs to hold against the stoppers;
- the ratchet holder being secured in the chamber of the handle;
- a ratchet being provided on an outer circumferential portion of the ratchet holder to turn in one-way direction as restricted by the stoppers;
- and characterized by:
- said screwdriver further comprising a socket and a chock, the socket being inserted into the ratchet holder;
- and the chock provided with a hexagon outer surface being secured on the ratchet holder.
5 more elements
Dependencies are inferred from the claim text.