Dental handpiece

Details Dental handpiece Dental handpiece

2007-03-20

2007-03-20

Wilson, John J (Department: 3732)

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

C433S029000, C433S132000

Reexamination Certificate

active

10653308

ABSTRACT:
A dental handpiece including a handpiece body with a head mounting seat, with a gas feeding channel, wherewith the seat is adapted to provide a full turn of the head. The head includes a turbine and an gas feeding aperture to the turbine. A micromotor is included having an inlet for feeding gas and a drive shaft for ensuring mechanical drive action. An intermediate gas feeding channel is made on the inner surface of the head mounting seat or on the outer surface of a part of the head. The drive shaft of the micromotor is connected to the head, and the inlet for feeding gas to the micrometer is connected to the gas feeding channel in the body.

REFERENCES:
patent: 3727312 (1973-04-01), Durante
patent: 4281989 (1981-08-01), Glover et al.
patent: 5052924 (1991-10-01), Berg
patent: 5476380 (1995-12-01), Rosenstatter
patent: 5634790 (1997-06-01), Pathmanabhan et al.
patent: 2030903 (1995-03-01), None
patent: 2030904 (1995-03-01), None
patent: 96101748 (1998-05-01), None
patent: 95115680 (1999-05-01), None

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