Patent ID: 6641018
Filing Date: 2003-11-04
Classification: B25C

Abstract:
A nail gun for driving a nail into a work piece, the nail gun comprising:a body; a nail ejection member connected to said body and having a tip formed with a nail ejection hole; a magazine connected to said nail ejection member, said magazine including a feeder for supplying nails to said nail ejection member; a nail pushing mechanism supported in said body so as to be capable of movement in opposing first and second directions and, when activated, driven in said second direction to strike a nail in said nail ejection member and to eject said nail through said nail ejection hole; an activation switch having a protruding portion, said activation switch activating said nail pushing mechanism when said protruding portion is pressed; a trigger member supported pivotably on said body and including a trigger arm, said trigger arm having a pivot end portion, a central portion and a free end portion and said central portion being disposed at a position adjacent to said protruding portion of said activation switch; a safety mechanism having a first member disposed in contact with said trigger arm free end and a second member positioned near said nail ejection hole, and a connecting member between said first and second members, said safety mechanism being supported so as to be capable of movement in said first and second directions between a first position and a second position, and wherein when said trigger member is pivoted, pivoting movement of said trigger member moves said trigger arm to press said central portion into contact with said protruding portion of said activation switch and to press the free end portion of said trigger arm in the second direction against said first member of said safety mechanism.