Patent ID: 8523825

Claim:
A dispenser device comprising: a pistol housing ( 100 ) with a grip ( 110 ) for operations by hand; a needle direction control mechanism ( 200 ) installed at a front end of the pistol housing ( 100 ) and comprising a front cannular retainer ( 210 ), a rear cannular retainer ( 220 ), a cannular sleeve ( 230 ), a turning unit ( 240 ), and a propeller housing ( 250 ), wherein the cannular sleeve ( 230 ) is accommodated between the front cannular retainer ( 210 ) and the rear cannular retainer ( 220 ), the cannular sleeve ( 230 ) has a spheroid ( 231 ), the turning unit ( 240 ) is steadily linked to the cannular sleeve ( 230 ), the propeller housing ( 250 ) is accommodated in a gap ( 270 ) between the cannular sleeve ( 230 ) and the turning unit ( 240 ), the gap ( 270 ) is provided with a first spring ( 280 ) at the front end; a boost mechanism ( 300 ) installed in the pistol housing ( 100 ) comprises a trigger ( 310 ), a linkage ( 320 ), a front locator ( 330 ), a rear locator ( 340 ), a push rod ( 350 ), a baffle ( 360 ), a magazine release ( 370 ), and a thrust plate ( 380 ) wherein the push rod ( 350 ) penetrates the front locator ( 330 ), the linkage ( 320 ), the rear locator ( 340 ), and the baffle ( 360 ) and has its rear end linked to a lower end of the thrust plate ( 380 ), the trigger ( 310 ) is installed in the pistol housing ( 100 ) by a pivot ( 311 ) and allows its upper end pivoted to the linkage ( 320 ) which fits the front locator ( 330 ) to accommodate a second spring ( 331 ) and is against the rear locator ( 340 ) that fits the baffle ( 360 ) to accommodate a third spring ( 341 ) and makes the baffle ( 360 ) on which all acting forces are equilibrated lean against the push rod ( 350 ) and contact the third spring ( 341 ), the magazine release ( 370 ) and a first stud ( 390 ), a compressive region ( 312 ) on the trigger ( 310 ) along with the thrust plate ( 380 ) are displayed on the pistol housing ( 100 ); and a quantification control mechanism ( 400 ) installed in the pistol housing ( 100 ) comprises a polygonal block ( 410 ), a block locator ( 420 ), and a dosage knob ( 430 ) wherein the dosage knob ( 430 ) is linked to the polygonal block ( 410 ) by a synchro shaft ( 440 ) and installed on the pistol housing ( 100 ) and the polygonal block ( 410 ) is accommodated between the trigger ( 310 ) and the block locator ( 420 ); wherein the turning unit ( 240 ) is provided with a plurality of grooves ( 241 ) on an outer surface and a base ( 290 ) which is positioned between the front cannular retainer ( 210 ) and the rear cannular retainer ( 220 ), fixed on the pistol housing ( 100 ), and has not less than a spheroid ( 291 ) accommodated in the grooves ( 241 ) on the outer surface of the corresponding turning unit ( 240 ).