Dental surveyor attachment

Claim 1

IN COMBINATION; A BASE MEMBER HAVING A HORIZONTAL SUPPORTING SURFACE ADAPTED TO SUPPORT A DENTAL CAST THEREON TO BE SURVEYED, A RIGID UPRIGHT SUPPORTING STANDARD FIXED TO SIAD BASE MEMBER AT ONE SIDE THEREOF, A SUPPORTING ARM JOURNALLED ON SAID STANDARD FOR SWINGING ADJUSTMENTS ABOVE SAID SUPPORTING SURFACE IN A PLANE PARALLEL TO SAID SUPPORTING SURFACE, A "SURVEYOR" TOOL CARRIER JOURNALLED AT THE FREE END OF SAID ARM FOR VERTICAL ADJUSTMENTS TOWARD AND AWAY FROM A DENTAL CAST DISPOSED ON SAID SURFACE AND FOR ROTATIVE ADJUSTMENT ON AN AXIS PERPENDICULAR TO SAID SURFACE, A DENTAL UNDERCUT GAGE MEMBER FIXED IN THE LOWER END OF SAID CARRIER IN OFFSET RELATION TO THE AXIS HAVING AN ENLARGED CONCENTRIC MARKING RIM THEREON FOR CHARTING ENGAGEMENT WITH THE DENTAL CAST FOR DETERMINING THE POSITIONS OF CLASP MEMBERS ON SOUND TEETH REPRESENTED ON THE DENTAL CAST WITH RESPECT TO THE INFRA BULGE AREAS OF SOUND ENGAGING TEETH WHEN SAID ARM IS SWUNG TOWARD THE DENTAL CAST, AND INKING MEANS FOR INKING THE RIM OF SAID GAGE CARRIED BY SAID STANDARD IN A PLANE PARALLEL TO SAID SUPPORTING SURFACE IN THE PATH OF MOVEMENT OF SAID RIM WHEN THE ARM AND TOOL CARRIER ARE SWUNG IN A DIRECTION AWAY FROM SAID DENTAL CAST, WHEREBY WHEN THE INKED RIM IS MOVED BY THE ARM IN THE OPPOSITE DIRECTION INTO CONTACT WITH THE TEETH REPRESENTED ON THE DENTAL CAST INK IS TRANSFERRED FROM THE RIM TO THE TEETH REPRESENTED ON THE DENTAL CAST.