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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0712888 (1976-08-09) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 3 |
A dental handpiece has a housing with a removable cap together defining a chamber in which are coaxially mounted two bearings, each with an inner race and an outer race spaced apart to leave an intervening gap. Annular housing shields extend into the gaps. The bearings are mounted in elastomeric rin
A dental handpiece comprising a housing, a pair of bearings in said housing disposed coaxially on an axis, a shaft mounted in said bearings coaxially on said axis, a turbine runner including a pair of rotors on said shaft, each rotor having a central hub at one end abutting a respective one of said
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