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A toolbox includes at least one case having a bottom panel, two side panels, a back panel and a top panel connected together to form an internal space. The connecting devices between these panels are integral keys and are corresponding slots respectively formed on the abutting surfaces on the panels

A toolbox includes at least one case having a bottom panel, two side panels, a back panel and a top panel connected together to form an internal space. The connecting devices between these panels are integral keys and are corresponding slots respectively formed on the abutting surfaces on the panels. Consequently, these panels can be connected to one another without separate fasteners. A locking lip is formed on the top edge of the side panels and the back panel, and a corresponding locking wall is formed on one side of the top panel opposite to the back panel. Multiple ridges extend out laterally from the top edge of the locking lip and locking wall so a seat or a working table can be attached to the top of the toolbox to make the toolbox more useful.

대표청구항 ▼

1. A toolbox formed by at least one case, said case comprising:a bottom panel having a cutout defined in a first side to form a locking wall; said locking wall having multiple ridges laterally extending from a bottom of said locking wall; a top panel having a cutout defined in a first side to form a

1. A toolbox formed by at least one case, said case comprising:a bottom panel having a cutout defined in a first side to form a locking wall; said locking wall having multiple ridges laterally extending from a bottom of said locking wall; a top panel having a cutout defined in a first side to form a locking wall corresponding to said locking wall of said bottom panel, said locking wall of said top panel having multiple ridges laterally extending from a top of said locking wall of said top panel; two side panels each including two locking lips respectively extending from a top and a bottom edge and flush with a top of said top panel, a bottom of said bottom panel and two internal sides of said two side panels, each of said two side panels having multiple ridges respectively extending laterally from a free end of each of said locking lips, a back panel including two locking lips respectively extending from a top and a bottom edge and flush with said top of said top panel, said bottom of said bottom panel and an internal side of said back panel, said back panel having multiple ridges respectively extending laterally from a free end of each of said locking lips of said back panel; whereby said bottom panel, said top panel, said back panel and said two side panels are connected to one another to form a hexahedron and an open side communicating with an interior space in said case, said locking lips of said back panel, said two side panels and said locking wall of said top panel form a first quadrangle for mounting an object on said case, and said locking lips of said back panel, said two side panels and said locking wall of said bottom panel form a second quadrangle; a connecting panel mounted on said second quadrangle, said connecting panel including a first side abutting said bottom panel and a second side opposite to said case, each side of said connecting panel having a recess defined to respectively securely receive said second quadrangle of said case and a first quadrangle of another case, multiple connecting devices formed on abutting surfaces of said panels and including keys extending from edges of said panels and corresponding slots defined in corresponding interior faces of said panels for fixedly receiving said keys; and multiple drawers slidably received in said interior space of said case.