Patent ID: 7413103

Claim:
A dry firing prevention device of a nail gun, in which a main body of the nail gun equipped with a safety apparatus and a dry firing prevention device between a trigger and a fixed magazine, the fixed magazine including a locking area, a removable nail loading assembly and a nail pusher, the locking area including a fixing part and a receiving part for fixing the dry firing prevention device, the removable nail loading assembly for receiving the nail pusher and nails, wherein: the safety apparatus has an adjusting assembly including an acting piece, an adjusting piece, a safety piece and an elastic piece, the acting piece having a threaded locking part for receiving the adjusting piece, a setting part for engaging with the dry firing prevention device, an inserting part for receiving the elastic piece and a penetrating part for receiving a fastener, the adjusting piece including an adjusting element, a threaded part for inserting into the threaded locking part of the acting piece and a locking part for inserting through the safety piece, the safety piece having an aperture for receiving the locking part of the adjusting piece; and the dry firing prevention device having an interlocking piece including a hooking part, a retaining part, a pushing part and a protruding part inserted to an elastic element, the interlocking piece being connected to the fixed magazine and hooked with the safety apparatus.