| 摘要 |
A tool box includes a base having two first holes in two sides thereof, a pivotable part received in the base and having two arms on two sides thereof and each arm having a second hole, and a cover having two lugs located between the two sides and the two arms. Each first hole has a first notch and each second hole has a second notch defined in an inner periphery thereof. Each lug has a third hole and a protrusion extends from in an inner periphery of each lug. Two shafts extend through the first holes, the third holes and the second holes. Each shaft includes a ridge on an out side thereof and the ridges extend through the first notches and the second notches. The ridges is sized to be engaged with the second notches and can be pushed by the protrusions when the cover is pivoted from a close position to an open position.
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