초록 ▼

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 pro

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.

대표청구항 ▼

I claim: 1. A hand tool aided screwdriver comprising a handle and a ratchet holder; the handle 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

I claim: 1. A hand tool aided screwdriver comprising a handle and a ratchet holder; the handle 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. 2. The hand tool aided screwdriver of claim 1, wherein the ratchet holder is provided with an outer ratchet exposed out of the locking is ring of the handle; an inner ratchet being provided in the chock; the inner ratchet of the chock being engaged with the outer ratchet of the ratchet holder. 3. The hand tool aided screwdriver of claim 1, wherein two locking bits and one bead are provided on an outer circumferential portion of the socket; the bead containing a spring to provide elastic expansion for the bead; a through hole being provided in the ratchet holder to receive insertion of the socket; two slots being provided on an inner wall of the through hole of the ratchet holder to receive the locking bits of the socket.