Rotary float with friction-engaged cap

Details Rotary float with friction-engaged cap Rotary float with friction-engaged cap

2006-09-05

2006-09-05

Wilson, John J (Department: 3732)

Dentistry

Veterinary dentistry

C433S116000

Reexamination Certificate

active

07101176

ABSTRACT:
A rotary float includes an elongated tubular arm with a drive shaft rotatably mounted therethrough. The forward end of the drive shaft is connected to a collet shaft within an extension tube, and transmits rotational force from the drive shaft to the collet shaft. A bit is mounted on the forward end of the collet shaft, for grinding a surface adjacent the forward end of the extension tube. A cap with an opening therein, is frictionally engaged on the extension tube over the bit, to permit floating of an animal's teeth through the opening, while protecting the animal from the remainder of the bit.

REFERENCES:
patent: 219849 (1879-09-01), Cushing
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patent: 383367 (1888-05-01), Patrick
patent: 756836 (1904-04-01), Crawford
patent: 854955 (1907-05-01), Martin
patent: 1035239 (1912-08-01), Rosenthal
patent: 1170524 (1916-12-01), Fernald
patent: 1688136 (1928-10-01), Chayes
patent: 4722685 (1988-02-01), de Estrada
patent: 6273712 (2001-08-01), Rach et al.
patent: 838501 (1960-06-01), None

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