Patent ID: 8485172

Claim:
A device for controlling the firing of a paint ball gun comprising: a shell ( 10 ) comprising a forward muzzle ( 14 ), an intermediate passage ( 11 ), a ball inlet ( 12 ) on the top of the passage ( 11 ), a rear channel ( 13 ), a gas inlet ( 15 ) on the bottom of the channel ( 13 ), a forward port ( 16 ) on the bottom of the channel ( 13 ) and being in front of the gas inlet ( 15 ), an intermediate port ( 17 ) on the bottom of the channel ( 13 ) and being rearward of the gas inlet ( 15 ), a rear port ( 18 ) on the bottom of the channel ( 13 ), and a main line ( 19 ) having one end connected to the forward port ( 16 ) and the other end connected to the rear port ( 18 ); a reciprocating member ( 1 ) communicating with the main line ( 19 ); a sleeve assembly ( 20 ) disposed in the channel ( 13 ) and comprising a forward sleeve ( 21 ) and a rearward sleeve ( 22 ) releasably secured together, the rearward sleeve ( 22 ) comprising a plurality of peripherally arranged inlet ports ( 25 ), a peripheral first port ( 27 ) communicating with the rear port ( 18 ), and a peripheral second port ( 28 ) communicating with the intermediate port ( 17 ); a hollow, cylindrical plunger ( 40 ) slidably disposed in the forward sleeve ( 21 ) and comprising a first peripheral space ( 41 ) defined between the plunger ( 40 ) and the forward sleeve ( 21 ); a slidable retaining sleeve ( 30 ) disposed at a forward portion of the rearward sleeve ( 22 ) and extending into the plunger ( 40 ), the slidable retaining sleeve ( 30 ) comprising a plurality of peripherally arranged rear third and fourth ports ( 35 , 37 ), a plurality of peripherally arranged intermediate grooves ( 34 ) on an outer surface, an annular inclined shoulder ( 38 ) on an intermediate portion of an inner surface, and a hollow member ( 33 ) releasably fastened in the slidable retaining sleeve ( 30 ); a cup-shaped sliding valve ( 50 ) disposed in the slidable retaining sleeve ( 30 ), the sliding valve ( 50 ) being complimentarily engaged with the inclined shoulder ( 38 ), the sliding valve ( 50 ) comprising a transverse passageway ( 51 ) communicating its hollow interior and an outer surface; a cylindrical block ( 60 ) comprising a forward cavity ( 61 ) and a transverse passageway ( 62 ) communicating the cavity ( 61 ) and an outer surface; and a hollow retaining member ( 23 ) releasably secured to both the rearward sleeve ( 22 ) and the block ( 60 ) and sandwiched therebetween.