Patent ID: 7431187

Claim:
A nailer comprising: a nailer body; a drive blade incorporated in the nailer body; a switch portion for controlling operation of the drive blade; a push lever comprising one end connected to the switch portion and comprising a first push lever component and a second push lever component; and an adjuster connecting said first push lever component to said second push lever component, said adjuster comprising: a gripping portion having a shape of a polygonal column that includes a top surface, a bottom surface and a plurality of side surfaces on an exterior periphery of said gripping portion; a first member that extends from the top surface of the gripping portion and is screw-engaged with the first push lever component so that an entire length of the push lever is changed when the gripping portion is rotated; a second member that extends from the bottom surface opposite to the top surface of the gripping portion and projects through a hole of the second push lever component; and a bolt member that connects the second member of the adjuster to the second push lever component, wherein at least one of said plurality of side surfaces of the gripping portion is provided with a non-rugged wrenching portion for bolting and at least one of said plurality of side surfaces, other than the side surface on which said non-rugged wrenching portion is provided, of the gripping portion is provided with a rugged portion for rotation of the adjuster.