Patent ID: 7686198
Filing Date: 2010-03-30
Classification: B25C

Abstract:
1. A nail gun including a bushing for conducting air therein, the bushing being arranged between an air chamber and a cylinder received in a housing of the nail gun, and being adjacent to a bottom of a main valve for driving hitting motion of the nail gun, a plurality of main valve holes that are adjacent to the main valve being formed in a sidewall of the cylinder, at least one air inlet being formed in a bottom of a sidewall of the cylinder, an air flow passage being defined in the housing and being in communication with the main valve and the air hole, a valve plug configured for opening or closing the air flow passage being received in the air flow passage, the valve plug dividing the air flow passage into an upper portion and a lower portion, the lower portion being formed in the housing; wherein an annular end surface is formed on a top of the bushing, the annular end surface defining a main air inlet for the main valve, an end portion extending from the bushing and having the upper portion of the air flow passage formed therein, the bushing further comprising at least one upper air hole in communication with the air chamber, the main inlet and the upper portion of the air flow passage.