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A tool box contains a body including a receiving area formed therein and a stop area, the body also including two slots defined on two opposite sides thereof, and each slot having a cutout defined on a top end thereof and communicating therewith; a cover including two retaining portions arranged on

A tool box contains a body including a receiving area formed therein and a stop area, the body also including two slots defined on two opposite sides thereof, and each slot having a cutout defined on a top end thereof and communicating therewith; a cover including two retaining portions arranged on one end thereof and sliding in the two slots, and each retaining portion having a locking recess defined on a bottom end thereof, the cover also including two projections mounted on two inner surfaces thereof; a stopping unit secured in the stop area of the body and moving between an engaging position and a releasing position of the body.

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1. A tool box comprising: a body including a receiving area formed therein and a stop area, the body also including two slots defined on two opposite sides thereof, and each slot having a cutout defined on a top end thereof and communicating therewith;a cover including two retaining portions arrange

1. A tool box comprising: a body including a receiving area formed therein and a stop area, the body also including two slots defined on two opposite sides thereof, and each slot having a cutout defined on a top end thereof and communicating therewith;a cover including two retaining portions arranged on one end thereof and slidable in the two slots, and each retaining portion having a locking recess defined on a bottom end thereof, the cover also including two projections mounted on two inner surfaces thereof;a stopping unit secured in the stop area of the body and movable between an engaging position and a releasing position of the body;wherein the cover is connected with the body and slidable among a closed position, a parallel open position, and a vertical open position of the body;wherein when the cover is located at the closed position, the stop unit engages the retaining portion so that the cover closes the receiving area;wherein when the cover is located at the parallel open position, the two retaining portions of the cover are slid along the two slots so that the receiving area is opened; andwherein when the cover is located at the vertical open position, the two retaining portions of the cover are slid out of the cutouts of the two slots, and the cover is rotated about the two projections so that a vertical angle is defined between the cover and the body. 2. The tool box as claimed in claim 1, wherein the receiving area has a plurality of ribs disposed therein so for retaining a hand tool and a plurality of bits. 3. The tool box as claimed in claim 1, wherein each slot has a resilient fence formed on a predetermined position thereof; when the cover is located at the parallel open position, the two retaining portions of the cover are slid out of the resilient fences of the two slots, and when the cover is located at the vertical open position, the two projections of the cover are located at the resilient fences. 4. The tool box as claimed in claim 1, wherein the cover includes a top plate, two side plates connected with two sides of the top plate, and an end plate coupled with one end of the top plate and two ends of the two side plates; each side plate includes one of said two retaining portions arranged on one end thereof and one of said two projections mounted on an inner surface thereof. 5. The tool box as claimed in claim 1, wherein the stopping unit includes an engagement block, a returning spring, two limiting springs, a lid, and a control piece; the engagement block has two lock protrusions mounted on two sides thereof, the returning spring abuts against the engagement block and a wall of the stop area, the two limiting springs are secured in the stop area so as to limit a movement of the engagement block, the lid covers the stop area of the body and has a through hole defined therein, the control piece is positioned in the through hole and connects with the engagement block, such that when the control piece is not acted upon by an external force, the engagement block is pushed by the returning spring to move toward the engaging position of the body so that the two lock protrusions are retained in the locking recesses of the retaining portions, and when the control piece is pressed by an external force, the engagement block is driven to move toward the releasing position of the body so that the two lock protrusions disengage from the two locking recesses. 6. The tool box as claimed in claim 5, wherein the stop area has a positioning peg fixed therein and two limiting pillars spaced a predetermined distance apart from each other; the returning spring is fixed onto the positioning peg of the stop area, and the two limiting springs are secured onto the two limiting pillars of the stop area.