Patent ID: 6899260

Claim:
A nailing gun comprising: a housing having a receiving chamber and an elongated work chamber; a nail magazine fastened to said housing; a gun barrel fixedly connected to a front end of said nail magazine corresponding to said work chamber; a transmission mechanism mounted in said receiving chamber and having an output shaft; a drive gear wheel fixedly mounted on said output shaft for synchronous rotation and having a first driving element; a driven gear wheel rotatably meshed with said drive gear wheel and having a second driving element; and a nail driving unit mounted in said work chamber and having a nail driving tip movable between said gun barrel and said work chamber, a slider movable between a first position, a second position and a third position through the second position in between said first position and said third position inside said work chamber, said slider having a first stop means for pushing by said first driving element to move said slider from said first position to said second position during rotary motion of said drive gear wheel, a second stop means for pushing by said second driving element to move said slider from said second position to said third position during rotary motion of said driven gear wheel, and a front side thereof fixedly fastened to said nail driving tip, and biasing means for thrusting said slider from said third position to said first position.