Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1986-03-26
1987-08-25
Mancene, Gene
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
A61C 108
Patent
active
046890122
ABSTRACT:
A dental contra-angle handpiece composed of a front body having a tight fit onto a rear body. The fixing device between the two pieces consists of a key in the form of a segment of a circle which passes through slits cut in the front body, in the rear body and the inner sheath which supports the driving shaft. A ring in the form of a cap which is fitted onto the front body and onto the rear body locks the key. The invention is applicable to all kinds of dental handpieces.
REFERENCES:
patent: 796527 (1905-08-01), Patchen
patent: 3830579 (1974-08-01), Roe
Burns Robert E.
Lepiane Adriene J.
Lobato Emmanuel J.
Mancene Gene
Micro-Mega S.A.
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