Patent ID: 7922038

Claim:
A lottery ticket machine having function of preventing tickets from being illegally drawn out, said lottery ticket machine comprising: a machine base provided with two side plates respectively bored with threaded holes, one of said two side plates having its outer side secured thereon with pivots, said machine base disposed with a lottery ticket circular passageway in an interior thereof, said lottery ticket circular passageway having its outer end formed with a ticket outlet; a driving device positioned in said machine base, said driving device composed of a motor, a driving gear and a driven gear; two press rollers assembled in said machine base, said lottery ticket circular passageway having a part, near said ticket outlet extended forward between said two press rollers, letting opposite sides of a lottery ticket rolled and pressed by said two press rollers; and characterized by one of said two press rollers provided with a shaft, said shaft extending out of said machine base in same direction of said pivots, said shaft having its outer side disposed with a combining member and an engage groove; and a control device fitted on said shaft rod of said press roller, said control device composed of a rotary gear, a bushing, a control wheel, a spring, a bushing cover, a fastener and an outer cover, said rotary gear fitted on said shaft of said press roller and driven to rotate by said driven gear of said driving device, said rotary gear bored with more than one engage hole, said bushing fitted on said combining member of said shaft of said press roller, said bushing having its outer side fixed thereon with more than one projecting ridge, said control wheel fitted on said bushing, said control wheel bored with a bushing hole with a shape the same as a shape of said bushing, said control wheel having its outer side annularly provided with plural engage teeth, said spring received in an inner circumference of said engage teeth of said control wheel, said control wheel having its rear side disposed with more than one projecting bar to be correspondingly engaged with said engage holes of said rotary gear, said bushing cover fitted on said bushing, said bushing cover bored in the center with a bushing hole with a shape matching with that of said bushing, said spring having another end pushing against an inner wall of said bushing cover, said fastener clasped in said engage groove at an outer end of said shaft of said press roller for firmly positioning said control device on said shaft rod of said press roller, said outer cover threadably combined with said side plate of said machine base for covering both said driving device and said control device, said outer cover disposed with a recess in the interior, said recess fixed with lots of teeth in an interior thereof to be correspondingly engaged with said engage teeth of said control wheel; and wherein said bushing hole of said control wheel of said control device has its inner wall disposed with more than one slide groove for engaging said projecting bars of said bushing.