[특허]Rotary power tool

[미국특허] Rotary power tool 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23Q-005/04
출원번호	US-0596971 (1984-04-05)
우선권정보	JP-0065115 (1983-04-13)
발명자 / 주소	Fujita Masahiro (Sennan JPX) Uemura Yukio (Yokohama JPX)
출원인 / 주소	Nissan Motor Co., Ltd. (Kanagawa JPX 03) Maeda Metal Industries, Ltd. (Higashinari JPX 03)
인용정보	피인용 횟수 : 18 인용 특허 : 4

초록 ▼

A rotary power tool wherein an epicyclic train has a planet gear support frame coupled to an output shaft by a one-way clutch and a sun gear coupled to the output shaft by a clutch assembly which comprises a clutch plate, a slide tube, an arresting mechanism and a change lever, the output shaft being operable for tightening first with low-torque high-speed rotation and finally with high-torque low-speed rotation and being prevented from abruptly rotating at a high speed even if the load on the output shaft decreases.

대표청구항 ▼

A rotary power tool wherein a tightening socket is rotated at a high speed with a low torque in the first stage of tightening and at a low speed with a high torque in the final stage of tightening and which comprises: a one-way clutch included in a system for transmitting power from an epicyclic train to the tightening socket, the epicyclic train comprising a sun gear coupled to and drivingly rotatable by a drive assembly, a planet gear support frame coupled to the tightening socket and an inner gear, an output shaft disposed coaxially with the sun gear and coupled to the tightening socket, the planet gear support frame being disengageably engaged with the output shaft by the one-way clutch, and a clutch shaft rotatably extending through the center of the sun gear and having a front end engaged with the output shaft and a rear end disengageably engaged with the sun gear by clutch means; the clutch means comprising a clutch plate engageable with the sun gear by being biased by a spring for rotating said tightening socket at a high speed with a low torque and disengageable from the sun gear when said tightening socket is subjected to a high load, a slide tube fitting around the clutch shaft so as to be slidable on and rotatable with the clutch shaft, the slide tube being engageable with the clutch plate by being biased toward the clutch plate by a spring, an arresting mechanism for holding the slide tube in a retracted position when the clutch plate and the slide tube are retracted against the springs by a high load acting on the clutch plate, and a change lever for manually releasing the slide tube from the arresting mechanism; and means for rotating said tightening socket at low speed with a high torque while said clutch plate and said sun gear are disengaged.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Tanaka Tamotsu (Hirakata JPX) Kato Michio (Hirakata JPX) Uematsu Masataka (Katano JPX) Nishida Yoshikazu (Hirakata JPX) Hosokawa Shuji (Habikino JPX), Electrically powered torque-controlled tool.
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Roll Karl (Leinfelden DT) Fritschi Klaus-Peter (Merklingen DT), Power tool.
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Zilly Gnter (Leinfelden DEX) Borst Erich (Leinfelden DEX) Hertell Brigitte (Waldenbuch DEX) Schdlich Fritz (Leinfelden-Echterdingen DEX) Walz Heinz (Stuttgart DEX) Wnsch Steffen (Dettenhausen DEX), Torque limiting power screwdriver.
상세보기
Workman ; Jr. William (Spring Lake MI) Bos John R. (Grand Haven MI), Torque responsive speed shift mechanism for power tool.
상세보기

이 특허를 인용한 특허 (18) 인용/피인용 타임라인 분석

Ziavras, John; Walton, Richard L.; Cook, Mark A., Actuating device.
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Fujiyama, Takeo, Air impact driver.
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Ho, Chi Hong; Chan, Ka Ki; Yip, Wing Fung, Automatic transmission for a power tool.
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Cannaliato Mike F., Automatic variable transmission for power tool.
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Dixon Paul H. (Belvidere IL), Dual speed transmission for automatic assembly machine.
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Shima, Yukihiro; Tanimoto, Hideyuki; Oda, Hiroyuki; Nakano, Yoshihiro; Ueda, Takashi, Fastener driving tool.
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Ludwig,Manfred; Riedl,Reinhard, Hand-held power screwdriver with a low-noise torque clutch.
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Bixler, Clark A.; Roberts, Beverly T.; Grant, Jeffrey P., Housing and gearbox for drill or driver.
상세보기
Bixler, Clark A.; Roberts, Beverly T.; Grant, Jeffrey P., Housing and gearbox for drill or driver.
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Lee, Brian; Ohr, Carsten; George, Philip, Locking disconnect clutch.
상세보기
Borinato, Gianni; Wong, Kelvin; Zhang, Shisong; Andriolo, Paolo; Brown, Warren; Zhong, Hongfeng; Liu, Fangshi; Chen, Chengzhong, Power tool having control system for changing rotational speed of output shaft.
상세보기
Borinato, Gianni; Wong, Kelvin; Zhang, Shisong; Andriolo, Paolo; Brown, Warren; Zhong, Hongfeng; Liu, Fangshi; Chen, Chengzhong, Power tool with signal generator.
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Bixler, Clark A.; Roberts, Beverly T.; Grant, Jeffrey P., Power tool with transmission cassette received in clam shell housing.
상세보기
Beer Joshua M. ; Putney Gordon A. ; Nowak Dennis A., Trigger and clutch arrangement for power tools.
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Mixer John E., Two-speed fastener driver.
상세보기
Hansson Gunnar C. (Stockholm SEX), Two-speed power tool.
상세보기
Hsu, Hsiu-Lin, Two-stage locking electric screwdriver.
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Ho, Chi Hong, Variable speed transmission for a power tool.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Rotary power tool 원문보기