Patent ID: 11890149
Assignee: WUXI INSTITUTE OF TECHNOLOGY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 3:
4. The medical dental grinding apparatus according to claim 3, wherein a bump is provided at one end of the first clamping body (31) connected to the hinge shaft (33), and a groove adapted to the bump is provided at one end of the second clamping body (32) connected to the hinge shaft (33); the bump is provided with a first through hole, and two sidewalls of the groove are correspondingly provided with second through holes; when the first clamping body (31) and the second clamping body (32) are mounted in a matching mode, the first through hole and the second through holes are coaxial, the hinge shaft (33) penetrates through the first through hole and the second through holes, and both ends of the hinge shaft (33) are fixed to the inner wall of the apparatus body (1); limiting blocks (331) are fixedly provided on the hinge shaft (33) and are located on two sides of the groove on the second clamping body (32); and a diameter of the limiting block (331) is larger than that of the second through holes.