Patent ID: 7299718

Claim:
A multi-folding screwdriver with a rotatable driving bar, the screwdriver having a multi-folding driving bar; comprising: a handle having a retaining space formed therein; a retainer inserted in said retaining space such that the retainer is enclosed within said handle; the retainer having a receiving space; a bottom end of the receiving space being installed with a first engaging portion; at least one via hole being formed in the retainer; at least one positioning element inserted through the at least one via hole; a driving bar being a multi-staged and bendable rod received in the receiving space; a bottom end of the driving bar having a second engaging portion corresponding to the first engaging portion; the driving bar including an annular recess forming an annular recessed limiting portion defining upper and lower annular shoulders; the positioning element passes through the via hole extending into the limiting portion to resist against the limiting portion to form as a limiting device by engaging said shoulders; the longitudinal length of the limiting portion being greater than a size of the positioning element so that driving bar is movable within the confinement of the longitudinal length of the limiting portion; wherein when the driving bar is moved to a first position the first engaging portion of the retainer is engaged with the second engaging portion of the driving bar so as to form an engaging device; thereby the retainer and the driving bar can rotate; and wherein at least one sleeve enclosing the driving bar for confining bending action of the stage of the driving bar.