Dental prophylactic handpiece

Details Dental prophylactic handpiece Dental prophylactic handpiece

1975-10-06

1976-10-26

Peshock, Robert

A61C 306

Patent

active

039875490

ABSTRACT:
A dental prophylactic handpiece is provided with a drivable tool-receiving member having a square opening which is internally serrated. The tool-receiving member, at least in the region of the opening, is resilient so as to permit variation in the size of the opening. A dental tool is detachably connected in said tool-receiving member by means of an enlarged shank having a complementary externally contoured surface including peripherally extending serrations.

REFERENCES:
patent: 2403136 (1946-07-01), Stoner
patent: 2965383 (1960-12-01), Steiner et al.

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