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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0863785 (2001-05-22) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 6 |
A power pump device includes a casing having a motor and a gear system is connected to an output shaft of the motor. A final gear of the gear system is mounted to an axle and a knob is rotatably and threadedly connected to the casing. A first spring is mounted to the axle and biased between the fina
1. A power pump device comprising:a casing having a motor received therein and a gear system connected to an output shaft of said motor, a final gear of said gear system mounted to an axle which extends from a frame in said casing and through said casing, a knob rotatably and threadedly connected to
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