Sharpening device for dental instruments

Details Sharpening device for dental instruments Sharpening device for dental instruments

1998-11-25

2000-11-07

Eley, Timothy V.

Abrading

Machine

Rotary tool

451280, 451387, B24B 700

Patent

active

061428566

ABSTRACT:
The sharpening device for dental instruments comprises a chuck head holder having an arcuate member to one end of which the chuck head with the chuck is radially attached while the arcuate member is guided in a base of the device. The grinding head with the grinding wheel comprises a grinding head bearing which is rotatable around the mid-perpendicular of the base and includes a pivot which extends in parallel to the surface of the base and on which the grinding head turns, the latter being under the action of a tension spring in such a manner that the grinding wheel surface, which is disposed at an angle with respect to the mid-perpendicular, is pressed against the surface to be treated of the instrument. Moreover, the chucking assembly allows an essentially improved chucking of the instrument due to a thrust bolt which is actuated by an eccentric member and presses the shank of the instrument against the chuck opening. The head of the thrust bolt may be movable in order to adapt to the shape of the shank. The supports of the device are essentially simplified with respect to the prior art, and its manufacture is therefore more economical without losing the required precision.

REFERENCES:
patent: 3902283 (1975-09-01), Bean
patent: 4637775 (1987-01-01), Kato
patent: 5058324 (1991-10-01), Snellen
patent: 5070654 (1991-12-01), Manqvist
patent: 5297362 (1994-03-01), Wykoff

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