Patent ID: 7686278

Claim:
A tooth mold retaining frame comprising: an L shape seat ( 10 ); two lateral sides of the L shape seat ( 10 ) being extended from a button seat; and a supporting frame ( 12 ) being installed above the two lateral sides; each of two ends of the supporting frame ( 12 ) having a retaining groove; pivotal block ( 142 ) having a pivotal rod ( 142 A) and a connecting portion; two ends of the pivotal rod ( 142 A) being secured to the two retaining grooves of the supporting frame; a universal connector ( 143 ); one end of the universal connector ( 143 ) being connected to the connecting portion of the pivotal block ( 142 ); a first positioning block ( 141 ); a lower side of the first positioning block ( 141 ) having a protrusion ( 16 ) and at least one nose; the first positioning block ( 141 ) being connected to the universal connector ( 143 ); the first positioning block ( 141 ) being movable with respect to the universal connector ( 143 ); a second positioning block ( 13 ) being positioned on the lower seat ( 17 ) and having a protrusion ( 16 ) and at least one nose; and a first fine adjust unit ( 20 ) including a top plate ( 21 ) and an adjust button ( 22 ); the top plate ( 21 ) being connected to the pivotal block ( 142 ); the adjust button ( 22 ) passing through the supporting frame ( 12 ) and one end thereof resisting against the top plate ( 21 ) so that the top plate ( 21 ) moves longitudinally to drive the pivotal block ( 142 ), universal connector ( 143 ) and the first positioning block ( 141 ); a fine-adjust device ( 40 ) installed on the L shape seat ( 10 ) by using an adjust screw ( 143 F) to adjust the second positioning block ( 13 ) to move leftwards or rightwards; and a second positioning block ( 13 ) including a telescopic rod ( 31 ) one end of which is installed to the L shape seat ( 10 ) and another end of which resists against the pivotal block; the telescopic rod ( 31 ) having an adjust button for adjusting a length of the telescopic rod ( 31 ) so as to adjust the position of seat; wherein by using the first fine adjust unit, second fine adjust unit and the fine-adjust device, an upper teeth mold, and a lower teeth mold can move with respect to one another precisely.