Abstract: The invention concerns a pump for compressed gas for a replica weapon for the projection of balls, comprising: A cylinder (7) forming a gas retention compartment (72) and provided with a cylinder head (71) forming a lateral wall of the said retention compartment, said cylinder head comprising a central orifice (73) A gas ejection nozzle (9) having a first end opening into the retention compartment (72) and a second end opening into a barrel (1) of the replica weapon, and A piston (8) provided with a piston head (81) which is movable in the retention compartment and suitable for compressing the gas in the said compartment, in which, on the one hand, the piston head is conical in shape and, on the other, the cylinder head has the shape of a funnel, complementary to the conical shape of the piston head.

Abstract: The invention concerns a computer mouse for video game comprising a housing (31), first and second action knobs (42, 43), characterized in that it comprises a dummy firing weapon (39) mounted on the housing (31) and maneuvered by a video game player and in that the first action knob (42) is located on the firing weapon, at the site where is located the player's forefinger, and the second action knob is located on the firing weapon, at the site where is located the player's thumb. The invention is applicable in the field of video game.

Abstract: The invention concerns a pump for compressed gas for a replica weapon for the projection of balls, comprising: A cylinder (7) forming a gas retention compartment (72) and provided with a cylinder head (71) forming a lateral wall of the said retention compartment, said cylinder head comprising a central orifice (73) A gas ejection nozzle (9) having a first end opening into the retention compartment (72) and a second end opening into a barrel (1) of the replica weapon, and A piston (8) provided with a piston head (81) which is movable in the retention compartment and suitable for compressing the gas in the said compartment, in which, on the one hand, the piston head is conical in shape and, on the other, the cylinder head has the shape of a funnel, complementary to the conical shape of the piston head.

Abstract: Device for correcting the trajectory of projectiles in a weapon replica The invention relates to a trajectory correction device for a projectile exiting a cannon of a weapon replica, comprising a first pin (3d) forming a first boss (6d) for holding the projectile in the cannon, a second pin (3g) forming a second boss (6g) for holding the projectile in the cannon, the first and second pins being situated symmetrically on both sides of a vertical axis (XX) passing by the center (C) of the cannon.