Dental angular instrument holder

Details Dental angular instrument holder Dental angular instrument holder

1997-04-28

1998-12-08

Lucchesi, Nicholas D.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

A61C 105

Patent

active

058460780

ABSTRACT:
In a dental angular instrument holder (10) a turbine (142) for driving a clamping chuck (62) for an instrument (64) is installed in a handle part (12) and is supported on a drive shaft (70) passing through a neck part (14). Thedrive shaft is fixedly connected to the clamping chuck (62) via a 90.degree. direction-changing gear. The turbine (142) can have large radial dimensions, compared to a turbine installed in the working head (16) of the angular instrument holder, so that a greater torque can be exerted on the instrument (64). In addition the movement-changing gear (66, 68) is at the same time designed as a reduction gear.

REFERENCES:
patent: 4171571 (1979-10-01), Gritter
patent: 4212641 (1980-07-01), Eibofner et al.
patent: 4504227 (1985-03-01), Lohn
patent: 4568642 (1986-02-01), DeForrest et al.
patent: 5476380 (1995-12-01), Rosenstatter

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