[특허]Sealing device

[미국특허] Sealing device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/02
출원번호	US-0680101 (2008-12-02)
등록번호	US-8573601 (2013-11-05)
우선권정보	JP-2007-320508 (2007-12-12)
국제출원번호	PCT/JP2008/071836 (2008-12-02)
§371/§102 date	20100325 (20100325)
국제공개번호	WO2009/075199 (2009-06-18)
발명자 / 주소	Nakagawa, Takehiro
출원인 / 주소	NOK Corporation
대리인 / 주소	Harness, Dickey & Pierce, P.L.C.
인용정보	피인용 횟수 : 3 인용 특허 : 21

초록 ▼

To prevent muddy water intrusion into a sliding section (S1) of an oil seal lip (13), a sealing device (1) has an oil seal (10) mounted at an opening end (2a) of a housing (2) and a slinger (20) mounted axially outside the oil seal (10) on a rotating body (5), the oil seal (10) is formed from a rubber-like elastic material integrally with a metal reinforcement ring (11) and has the oil seal lip (13) slidably contacting with the outer peripheral surface of the rotating body (5) and a side lip (15) slidably contacting with the slinger (20), the reinforcement ring (11) has a sliding tube section (11b) radially outside a sliding section (S2) of the side lip (15), and a external seal lip (23) provided on a radially outer section (22a) of the slinger (20) slidably contacts with the outer peripheral surface of the sliding tube section (11b).

대표청구항 ▼

1. A sealing device comprising: an oil seal attached to an inner peripheral surface of an opening end of a non-rotating housing; anda slinger attached to a rotating body inserted to said housing so as to be positioned at an axially outer side of said oil seal;said oil seal being integrally formed by a rubber elastic material on a reinforcement ring constructed by a metal press molded product,wherein an oil seal lip slidably brought into close contact with an outer peripheral surface of said rotating body and a side lip slidably brought into close contact with said slinger are formed, a sliding tube section exposed from said rubber elastic material and positioned at a radially outer side of a sliding section of said side lip is formed on said reinforcement ring, and an external seal lip provided on a radially outer section of said slinger is slidably brought into close contact with an outer peripheral surface of the sliding tube section, andthe external seal lip is formed in such a share that a leading end is bent so as to be directed to an inner peripheral side. 2. A sealing device comprising: an oil seal attached to an inner peripheral surface of an opening end of a non-rotating housing; anda slinger attached to a rotating body inserted to said housing so as to be positioned at an axially outer side of said oil seal;said oil seal being integrally formed by a rubber elastic material on a reinforcement ring constructed by a metal press molded product,wherein an oil seal lip slidably brought into close contact with an outer peripheral surface of said rotating body and a side lip having a sliding section slidably brought into close contact with said slinger are formed,a sliding tube section is provided extending from said reinforcement ring and positioned at a radially outer side of the sliding section of said side lip,an external seal lip provided on a radially outer section of said slinger is slidably brought into close contact with an outer peripheral surface of the sliding tube section, andthe external seal lip is formed in such a shape that a leading end is bent so as to be directed to an inner peripheral side.

이 특허에 인용된 특허 (21) 인용/피인용 타임라인 분석

Furukawa, Keiichi; Koma, Yutaka; Inoue, Shigeru; Masuda, Masafumi; Kasai, Yoshishige; Fujiwara, Shunichi, Bearing apparatus for axle.
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Luigi Dossena IT; Rodolfo Sbampato IT, Box-type seal assembly, in particular for vehicle axles.
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Hosoda,Masahiro; Nakamura,Yuji, Combination seal ring with encoder.
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Otto Dennis L., Multibarrier seal.
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Bryde,Steven G.; Christensen,Terrence; Teixeira,Marcos Basile; Lima,Marcio Caldas Camargo; Machado,Antonio Rangel; Santanna,Marcos Castanho, Radial lip seal.
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Oldenburg, Michael R., Retrofittable severe duty seal for a shaft.
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Oldenburg,Michael R., Retrofittable severe duty seal for a shaft.
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Mitsue Naoki (Fujisawa JPX) Takahashi Hideki (Fujisawa JPX), Seal assembly with radially overlapping seal means.
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Hajzler Christian (Rumilly FRX), Seal incorporating an encoder.
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Kobayashi,Naoto, Sealing apparatus with encoder.
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Shibayama, Masanori; Seno, Hiroshi, Sealing device.
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Shibayama, Masanori; Seno, Hiroshi, Sealing device.
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Angelo Vignotto,ITX ; Carlo Maldera,ITX, Sealing device for a rolling contact bearing.
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Shibayama, Masanori; Seno, Hiroshi, Sealing device with tone wheel.
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Rockwell, Todd K., Shield and seal assembly for vehicle wheel end assembly.
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Otto Dennis L. (Malvern OH) Chandler Jon A. (Brighton MI) Abbruzzi Joseph A. (Waterford MI) Baker Mark E. (Massillon OH), Two component bearing seal with bumpers.
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Black David D. (Elgin IL) Vering Anthony W. (Arlington IL), Unitized grit seal with removable thrust bumper.
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Nash Stephen E. (Lakeland MI), Unitized oil seal and method of making a unitized oil seal.
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Ohtsuki, Hisashi; Norimatsu, Takayuki; Funahashi, Eiji; Kametaka, Koji; Niki, Motoharu; Sugiyama, Katsumi; Adachi, Kenro, Wheel bearing and sealing device therefor.
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Aritake, Yasuhiro; Hattori, Naoshi, Wheel bearing apparatus for a vehicle.
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Sahashi Koji (Mie JPX) Kobayashi Keizo (Iwata JPX), Wheel-supporting bearing.
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이 특허를 인용한 특허 (3) 인용/피인용 타임라인 분석

Barberis, Giorgio; Morello, Fausto, Bearing rolling including a low friction sealing device, in particular for a hub bearing unit.
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Reimer, Mark, Heavy-duty shaft seal.
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Kato, Takuya, Sealing device.
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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] Sealing device 원문보기