Dental handpiece with dust control mechanism

Details Dental handpiece with dust control mechanism Dental handpiece with dust control mechanism

1999-10-25

2000-08-08

Lucchesi, Nicholas D.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

A61C 105

Patent

active

060993081

ABSTRACT:
A dental handpiece is disclosed which has a housing having a wall, a bur sleeve for receiving and holding a dental tool therein, a bearing for rotatably supporting the bur sleeve, a rotary dust control member fixed on the bur sleeve, and a stationary dust control member forming a gap in cooperation with the rotary dust control member and the wall of the housing for preventing entry of contaminants inside the housing. The stationary dust control member is attached to the bearing.

REFERENCES:
patent: 5252065 (1993-10-01), Nakanishi
patent: 5423678 (1995-06-01), Nakanishi
patent: 5692903 (1997-12-01), Nakanishi

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