Patent ID: 7980438

Claim:
A latch assembly for a staple gun having a housing, a handle connected pivotally to the housing and a staple magazine mounted in the housing below the handle and the latch assembly comprising a front cover being adapted to detachably mount on the housing and having a top; a bottom; a front side; two sidewalls; two bolt holes being transversally formed through the front side of the front cover near the top and aligning with each other; a connecting bolt being mounted in the bolt holes of the front cover; and a protecting cap being detachably mounted on the front side of the front cover to form a mounting recess between the front cover and the protecting cap; a locking element being pivotally mounted on the front cover and having at least one cam being rotatably mounted around the connecting bolt of the front cover; a locking block being formed with the at least one cam below the connecting bolt and having a locking end extending to the front side of the front cover; and a torsion spring being mounted around the connecting bolt of the front cover to push the locking block to the front side of the front cover; a pushing element being slidably mounted in the mounting recess between the protecting cap and the front cover and having an upper end; a lower end; a pushing lever being formed on the upper end of the pushing element and abutting the at least one cam; and a pressing pin being formed on the lower end of the pushing element and extending out of the bottom of the front cover; and a staple driver being mounted slidably between the front cover and the staple gun and having a lower end extending to over the staple magazine of the staple gun; an upper end; a locking hole being formed through the staple driver near the upper end, engaging the locking end of the locking block and being adapted to align with the handle; a through hole being formed through the staple driver below the locking hole; and an elastic panel engaging the through hole of the staple driver in the staple gun to provide an impulsive force for the staple driver.