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A toolbox screwdriver comprises a base, a first bracket and a second bracket. The first bracket and the second bracket are pivotally mounted on the base. The base has a plurality of projections, corresponding to a plurality of notches on the second bracket. The second bracket further includes a plur

A toolbox screwdriver comprises a base, a first bracket and a second bracket. The first bracket and the second bracket are pivotally mounted on the base. The base has a plurality of projections, corresponding to a plurality of notches on the second bracket. The second bracket further includes a plurality of receptacle holes each for retaining a screwdriver head, which will be pushed upward by the projections as the first bracket is opened. The first bracket has a receptacle hole corresponding to an insertion hole on the base as the first bracket is retracted onto the base. The insertion hole of the base is for the insertion of a screwdriver rod, so that the toolbox can be used as a screwdriver.

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What is claimed is: 1. A toolbox screwdriver, comprising: a base having a plurality of projections; a first bracket pivotally mounted on said base, said first bracket having a receptacle hole corresponding to an insertion hole on said base as said first bracket is retracted onto said base, said ins

What is claimed is: 1. A toolbox screwdriver, comprising: a base having a plurality of projections; a first bracket pivotally mounted on said base, said first bracket having a receptacle hole corresponding to an insertion hole on said base as said first bracket is retracted onto said base, said insertion hole of said base being for the insertion of a screwdriver rod; and a second bracket pivotally mounted on said base for storing screwdriver heads, said second bracket having a plurality of notches respectively corresponding to said projections whereby said screwdriver heads will be pushed upward by said projections as said first bracket is opened, said second bracket further including a plurality of receptacle holes each for retaining a screwdriver head. 2. The toolbox screwdriver of claim 1 wherein two sides of said base are respectively provided with a first receptacle area and a second receptacle area for respectively mounting said first bracket and said second bracket. 3. The toolbox screwdriver of claim 1 wherein said base further includes a through hole disposed opposite to said receptacle hole and corresponding to another end of said insertion hole, for checking said screwdriver rod contained in said base, and wherein said through hole can be used to connect a screwdriver head onto said screwdriver rod retained in said base. 4. The toolbox screwdriver of claim 3 wherein said through hole, said receptacle hole and said insertion hole are coaxial. 5. The toolbox screwdriver of claim 1 wherein said base, said first bracket and said second bracket are provided with pivot holes for pivotally mounting together using pivot pins. 6. The toolbox screwdriver of claim 1 wherein a rear portion of said projections forms a arced shape, and wherein two lateral sides about said projections are provided with pivot holes for mounting said second bracket. 7. The toolbox screwdriver of claim 1 wherein said receptacle hole for retaining said screwdriver rod consists of a round hole and a hexagonal hole. 8. The toolbox screwdriver of claim 1 wherein the maximum open angle of said second bracket is substantially 45 degrees, as constrained by a flange of said receptacle hole being engaged with said projections.