Patent ID: 6073620
Filing Date: 2000-06-13
Classification: F41B

Abstract:
A model gun with automatic bullet supplying mechanism, which comprising:a pressure accumulating chamber from which a gas leading passage extends,a first movable valve for controlling the gas leading passage to be open and closed selectively,a bullet holding chamber provided in a rear portion of a barrel structure,a slider provided to be movable along the barrel structure,a pressure receiving portion fixed in the slider to be positioned at the back of the barrel structure and movable with the slider,a movable member provided with a first inner space opening toward the bullet holding chamber and a second inner space opening toward the pressure receiving portion and arranged at the back of the bullet holding chamber to be movable along moving directions of the slider,a passage connecting portion provided at the outside of the movable member for connecting the gas leading passage to the first and second inner spaces in the movable member in dependence on the position of the movable member, anda second movable valve provided in the passage connecting portion, said second movable valve being operative selectively, during a period in which the gas leading passage is connected through the passage connecting portion to the first and second inner spaces in the movable member and the first movable valve controls the gas leading passage to be open, to cause gas derived through the gas leading passage from the pressure accumulating chamber to act through the first inner space in the movable member on a sham bullet in the bullet holding chamber and to shut off gas flow to the bullet holding chamber through the first inner space in the movable member from the gas leading passage so that the gas derived through the gas leading passage from the pressure accumulating chamber acts through the second inner space in the movable member on the pressure receiving portion to cause first the pressure receiving portion to move back in company with the slider and then movable member also to move back for making preparations for supplying the bullet holding chamber with a sham bullet from a magazine.