Patent ID: 8840002

Claim:
A fastener-driving tool comprising: a housing; a shaft disposed in the housing; a plunger surrounding the shaft and movable in an axial direction of the shaft; a blade connected to the plunger and movable together with the plunger to impact a fastener; a bumper and a bumper holder surrounding the shaft and arranged such that the plunger collides with the bumper when the blade impacts the fastener; an adjuster having a cylindrical shape and threadingly engaged with the bumper holder to move the bumper holder in the axial direction by rotating the adjuster, the adjuster having an outer circumferential surface provided with one of a first recessed portion and a first protruding portion extending in the axial direction; and an urging member fixed to the housing and protruding in a direction perpendicular to the axial direction of the shaft, the urging member having one of a second recessed portion and a second protruding portion, wherein one of the second recessed portion and the second protruding portion is engaged with one of the first protruding portion and the first recessed portion.