Dental chuckless handpiece

Details Dental chuckless handpiece Dental chuckless handpiece

1988-06-30

1990-07-17

Wilson, John J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433132, 433126, A61C 110

Patent

active

049418289

ABSTRACT:
A dental chuckless handpiece of the compressed air drive type includes a body having a head in which bearings are attached to the upper and lower portions of a shaft provided with a turbine impeller, and a rotary member fixedly provided to the lower end of the shaft is mounted in place through the upper and lower bearings. At least portions of the body excepting the head is formed of a synthetic resin discriminably colored with a color including transparent color.

REFERENCES:
patent: 2176698 (1939-10-01), Albrecht
patent: 3955284 (1976-05-01), Balson
patent: 4004344 (1977-01-01), Gold et al.
patent: 4213739 (1980-11-01), Iudica
patent: 4285671 (1981-08-01), Lustig et al.
patent: 4564354 (1986-01-01), Rosenstatter
patent: 4759715 (1988-07-01), Weissman

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