Patent ID: 8083116

Claim:
A braking and driving mechanism, comprising: a guide plate, comprising a longitudinal nail groove extending along a direction same to a nail driving direction of the nail gun, the longitudinal nail groove being communicated with a nail driving groove; a driving rod slidably assembled on an end side of the guide plate along the nail driving direction, a stopping portion being formed on an end side of the driving rod; a magazine transversely disposed on an end wall of the guide plate, an inner portion of the magazine defining a longitudinal guide groove for supplying nails, the longitudinal guide groove receiving a plurality of nails abreast arranged in a row therein and being communicated with the longitudinal nail groove, more than one nail pushing pieces capable of providing an elastic force being arranged in the longitudinal guide groove, the nail pushing piece being configured for pushing the nails to pass through the longitudinal nail groove and enter into the nail driving groove one by one for shooting; and a pressing rod consisting of a bar shaped arm extending to form a tongue portion and a pivot portion, the pressing rod being pivotably disposed in the magazine via the pivot portion, an elastic member for driving the arm to transversely press a main body of each of the nails, if the number of remaining nails in the magazine is equal to a default number the elastic member driving the tongue portion to move to a position where the tongue portion can block the stopping portion of the driving rod such that the movement of the driving rod is braked.