[특허]Ratchet socket wrench and socket arrangement

[미국특허] Ratchet socket wrench and socket arrangement 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B25B-013/00
출원번호	US-0744584 (1996-11-06)
발명자 / 주소	Hsieh Chih-Ching,TWX
대리인 / 주소	Varndell Legal Group
인용정보	피인용 횟수 : 23 인용 특허 : 2

초록 ▼

A ratchet socket wrench and socket arrangement including a socket having a hexagonal coupling end, and a ratchet socket wrench having a box at one end and ratchet wheel mounted in the box and adapted for turning the socket, the ratchet wheel having a locating element supported on a spring in a radial hole thereof and forced by the spring into engagment with one recessed locating hole at one side of the hexagonal coupling end to stop the socket from rotary motion relative to the ratchet wheel, and a plurality of needle rollers moved in spaces in sloping teeth thereof to limit the rotary motion of the ratchet wheel to one direction within the box of the ratchet socket wrench.

대표청구항 ▼

[ I claim:] [1.] A ratchet socket wrench and socket arrangement comprising a socket having a polygonal coupling end and a ratchet wrench including an elongated casing having a box end with a circular opening, and a ratchet wheel mounted in said circular opening, said ratchet wheel including a cylindrical wall having an inner peripheral side and an outer peripheral side, said inner peripheral side defining a polygonal coupling hole adapted for releasably holding said polygonal coupling end of said socket for turning a hexagon head bolt or hexagon nut,said polygonal coupling end of said socket having a plurality of recessed locating holes equally spaced about an outer peripheral wall thereof, andsaid ratchet wheel further including a radial hole extending through said cylindrical wall in a radial direction and into said polygonal coupling hole, a compression spring mounted in said radial hole, a plug cap fastened to said radial hole to hold said compression spring in place, and a locating member supported on said compression spring in said radial hole and having a rounded head forced by said compression spring into said polygonal coupling hole for engagement with one of said recessed locating holes for coupling said socket to said ratchet socket wrench and inhibiting rotation of said socket relative to said ratchet wheel,wherein said ratchet wheel has first and second rows of teeth arranged about said outer peripheral wall of said ratchet wheel, said teeth respectively having a lower portion and a higher portion relative to an axial direction of said ratchet wheel and a flat and straight sloping surface extending from said lower portion to said higher portion, said flat and straight and sloping surfaces all sloping in a same direction, said first row of teeth are adjacent said second row of teeth, and said first row of teeth are staggered relative to said second row of teeth in that said higher portions of said first row of teeth are respectively arranged between said higher and lower portions of said second row of teeth, andtwo needle rollers are respectively arranged between said lower and higher portions of said teeth, said needle rollers and said teeth are arranged without the use of springs to permit rotation of said ratchet wheel in a first direction and to inhibit rotation of said rachet wheel in a direction opposite of said first direction by said needle rollers respective abutting said flat and sloping surface of said teeth and a surface of said circular opening.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Arnold Robert L. (Leola PA) Taggart Kenneth J. (Columbia PA), Detent means.
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Carlson Mark E. (1610 Becher Dr. Wausau WI 54401), Drop-out socket wrench.
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이 특허를 인용한 특허 (23) 인용/피인용 타임라인 분석

Philhower, Rodney Lee, 13/16-inch-spark-plug socket hot rod wrench.
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Sung-Hsiao Chang TW; Wu-Lung Chu TW, Box and ratchet wheel arrangement for wrench.
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Douglass, Earl Stuart, Combination wrench with a reversible roller clutch.
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Norton, Donovan K., Dual drive socket bit.
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Wang, Yao-Hung, Fitting structure for tools.
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Chen, Tzu-Chun, Locking structure for hand tool.
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Eggert, Daniel M.; Iwinski, Dean J.; Foster, Michael L., Low clearance socket and drive system.
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Wexler,Norman, Power driven wrench.
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Hsien, Chih-Ching, Ratchet tool with magnetic engaging member.
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Wei Hung Yin,TWX, Ratchet wrench.
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Hsien,Chih Ching, Ratchet wrench having a sealing structure.
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Wang, Qiang; Xu, Hua An, Ratcheting socket wrench and sockets.
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Chang Chuck (Chen-Tsai),TWX, Roller-type ratchet device for wrench.
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Kriz, Anthony; Christopher, Brent; Holtan, Mark, Rotary ratchet wrench.
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Kriz, Anthony; Christopher, Brent; Holtan, Mark, Rotary ratchet wrench.
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Kriz, Anthony; Christopher, Brent; Holtan, Mark; Gui, YaoKun, Rotary ratchet wrench.
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Kriz, Anthony; Gui, YaoKun; Christopher, Brent; Holtan, Mark, Rotary ratchet wrench.
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Kriz, Anthony; Gui, YaoKun; Christopher, Brent; Holtan, Mark, Rotary ratchet wrench.
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Lovely, Dominic; Kriz, Anthony; Christopher, Brent, Rotary ratcheting wrench.
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Gresham, Ian Lyle; Evans, Scott, Socket.
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Lee, An-Kun; Yang, Shu-Tuan; Lai, Chiu-Ken, Socket.
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Christopher, Brent, Socket wrench.
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Matsumoto,Masakazu; Taguchi,Masahiro; Mikado,Susumu, Wrench.
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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] Ratchet socket wrench and socket arrangement 원문보기