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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0546567 (1975-02-03) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
A mechanical quill and spindle drive mechanism is disclosed wherein the quill is advanced by means of a screw formed about its periphery and cooperating with a driven ball nut. The quill is received within a housing bore and accurately guided for longitudinal movement thereby by means of a sliding e
A quill drive comprising: a housing; a hollow quill shaft; a drive member rotatably mounted in said housing surrounding said quill shaft and fixed against axial movement; means mounting said quill shaft in said housing for slidable longitudinal movement along its axis including spaced bearing surfac
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