Patent ID: 7059231
Filing Date: 2006-06-13
Classification: A61C,B23D,B25B,Y10T

Abstract:
1. A dental model cutting device for precision cutting the base of a dental model comprising: a base having a horizontal longitudinal axis with opposing left and right longitudinal ends, opposing sides with centers, a vertical T-track in the center of each side and a top and a bottom wherein the top and bottom are open; a left horizontal plate with left and right ends, opposing sides and a top and a bottom, the top having a center containing a central female T-slot and a left horizontal bore with a diameter, left and right ends and an open top, the female T-slot above the left horizontal bore and connecting with the left horizontal bore open top, wherein the bottom of the left horizontal plate is mounted on the left top of the base with the central female T-slot and horizontal bore in the same longitudinal axis as the base; a right horizontal plate with left and right ends, opposing sides and a top and a bottom, the top having a center containing a central female T-slot and a right horizontal bore with a diameter, left and right ends and an open top, the female T-slot above the right horizontal bore and connecting with the right horizontal bore, wherein the bottom of the right horizontal plate is mounted on the right top of the base with the central female T-slot and horizontal bore in the same longitudinal axis as the base; a left horizontal sliding plate with left and right ends, opposing sides and a top and a bottom, the bottom having a center containing a central male T-track with a bottom with a horizontal arcuate threaded groove wherein the bottom of the left horizontal sliding plate is mounted on the top of the left horizontal plate with the central male T-track mounted within the central female T-slot of the left horizontal plate with the horizontal arcuate groove connecting to the open top of the horizontal bore of the left horizontal plate; a right horizontal sliding plate with left and right ends, opposing sides and a top and a bottom, the bottom having a center containing a central male T-track with a bottom with a horizontal arcuate threaded groove wherein the bottom of the right horizontal sliding plate is mounted on the top of the right horizontal plate with the central male T-track mounted within the central female T-slot of the right horizontal plate with the horizontal arcuate threaded groove connecting to the open top of the horizontal bore of the right horizontal plate; a left vertical plate with a top, bottom, sides and left and right flat surfaces vertically mounted by the left vertical plate bottom to the top of the left horizontal sliding plate near the right end of the left horizontal plate; a right vertical plate with a top, a bottom, left and right flat surfaces, attached at the bottom to the top of the right sliding plate near the left end of the right sliding plate; left and right cushion pads with left and right flat surfaces, the left cushion pad attached by its left flat surface to the right flat surface of the left vertical plate and the right cushion pad attached by its right flat surface to the left flat surface of the right vertical plate; a left end plate with opposing sides and a central hole with a diameter wherein the left end plate is mounted to the left end of the left horizontal plate with the central hole aligned with left horizontal plate horizontal bore, the central hole with the same diameter as the left horizontal bore; a right end plate with opposing sides and a central hole with a diameter wherein the right end plate is mounted to the right end of the right horizontal plate with the central hole aligned with right horizontal plate horizontal bore, the central hole with the same diameter as the right horizontal bore; a threaded left horizontal screw with left and right ends and a diameter slightly smaller than the left horizontal bore diameter, a handle mounted on the left end of the left threaded horizontal screw and two circumferential grooves near the left end of the left horizontal screw wherein when the right end of the left horizontal screw is placed into the left end of the left horizontal bore, two C-clamps are placed in the left horizontal screw circumferential grooves, one on each opposing side of the left end plate, securing the left horizontal screw within the bore of the left horizontal plate securing the left threaded horizontal screw within the horizontal bore of the left horizontal plate and the left horizontal screw engages the threaded bottom groove of the bottom of the male T-track of the left sliding plate and the threaded left horizontal screw engages with the threaded bottom groove of the bottom of the male T-track of the left sliding plate; a threaded right horizontal screw with left and right ends and a diameter slightly smaller than the right horizontal bore diameter, a handle mounted on the right end and two circumferential grooves near the right end of the right horizontal screw wherein when the left end of the right horizontal screw is placed within the right end of the right horizontal bore two C-clamps are placed in the circumferential grooves, one on each side of the right end plate, securing the right threaded horizontal screw within the horizontal bore of the right horizontal plate and the threaded right horizontal screw engages the threaded bottom groove of the bottom of the male T-track of the right sliding plate and the threaded right horizontal screw engages with the threaded bottom groove of the bottom of the male T-track of the right sliding plate; and a vertical C-shaped slotted cutting guide with a top, a bottom with pivot pins, two vertical male T-tracks attached to the pivot pins wherein the vertical male T-tracks are inserted into the vertical female T-slots in the sides of the base whereby a dental model is precisely secured and positioned under the C-shaped cutting guide by placing a dental model on the left flat surface of the right cushion pad and turning the right horizontal screw counterclockwise which turns the right horizontal screw counterclockwise within the right horizontal bore, the right horizontal screw engaging the threads of the right male threaded T-slot which advances the right horizontal sliding plate with the attached right cushion pad and the dental model towards the dental model's desired position under the C-shaped cutting guide wherein the left horizontal screw handle is turned counterclockwise which advances the left horizontal sliding plate with the left cushion pad towards the dental model until the right flat surface of the left cushion pad engages the dental model and the dental model is held firmly between the left and right cushion pads.