[특허]Semi-unitized shaft seal and method

[미국특허] Semi-unitized shaft seal and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/34
출원번호	US-0664625 (1976-03-08)
발명자 / 주소	Messenger Edward J. (Longview TX)
출원인 / 주소	Garlock Inc. (Longview TX 02)
인용정보	피인용 횟수 : 24 인용 특허 : 0

초록 ▼

A two-part, separable, semi-unitized shaft seal for sealing between a housing bore and a relatively rotatable shaft extending through the bore and comprising a metal wear sleeve member and a sealing member assembled onto the wear sleeve member for transportation, shipping and installation of the seal as a unitized seal. However, when the housing and shaft are disassembled, one of the two seal parts remains with the housing and the other part remains with the shaft, whereby each part can be examined and replaced, if necessary, without discarding the entire seal. One seal part press-fits onto one of the housing and shaft and the other seal part forms an elastomeric interference fit on the other of the housing and the shaft.

대표청구항 ▼

A two-part, separable, semi-unitized shaft seal for providing a seal between a housing bore and a relatively rotatable shaft extending through the bore comprising: (a) a wear sleeve member including at least one cylindrical flange and at least one radial flange, one of said at least one cylindrical flanges having a press-fit surface for forming a press-fit with one of a bore and shaft, and one of said at least one cylindrical flanges having a wear surface for the below-recited sealing lip, and (b) a sealing member movable axially onto and off of said wear sleeve member and assembled in semi-unitized relationship relative to said wear sleeve member including a reinforcing ring having a cylindrical flange and a radial flange, a sealing element connected to said radial flange of said reinforcing ring and having an annular sealing lip in sealing contact with said wear surface, a layer of elastomer bonded to one of an I.D. or O.D. surface of said cylindrical flange of said reinforcing ring for forming an interference fit on the other of a bore and shaft, and an elastomeric bumper member bonded to said reinforcing ring and extending axially into contact with a radial face of one of said radial flanges of said wear sleeve member whereby said wear sleeve member and said sealing member can be assembled together for transportation, shipping, and installation as a unitized seal, and (c) said sealing member being movable axially, with respect to said wear sleeve member, away from and out of contact with said wear sleeve member with said sealing lip being slidable axially off of said wear surface for disassembling said two part, separable, semi-unitized shaft seal wherein upon disassembly of a bore and shaft between which said seal is located, said wear sleeve member and said sealing member also become disassembled, one of said members staying with one of the bore and shaft and the other of said members staying with the other of said bore and shaft.

이 특허를 인용한 특허 (24) 인용/피인용 타임라인 분석

Tim Chu, Bearing assembly having an improved wear ring liner.
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Nash Stephen E. (Farmington Hills MI) Pichler Gerald P. (Dearborn MI) Brooks David R. (Milford MI), Dual-lip grease-retaining and dirt-excluding shaft seal.
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Greca, Gerald A.; Toth, David M., Dynamic radial shaft seal assembly with combination dust exclusion thrust pad.
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Kapcoe, John Christopher; Clark, Benjamin Cutler, Dynamic seal.
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Anderson Todd L. ; Winn Laurence B., Hub seal with low installation load and rotation prevention structure.
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Gold Mark N. ; Winn Laurence B., Hub seal with machinable thrust ring.
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Cox Jon A. ; Lovett C. Leon ; Gold Mark N. ; Winn Laurence B., Hub seal with machinable thrust ring and lay-down sealing lip.
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Lequire, Jr., Vester J., Large diameter seals.
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Jay Richard D. (Plymouth MI), Low friction seal assembly.
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Lequire, Jr., Vester J., Method of making improved large diameter seals.
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Omagari, Kazutoshi; Fukuoka, Teruhito; Nagai, Kenji; Nagase, Naruhito; Habata, Youhei; Mizuta, Hiroya; Tanaka, Masaharu, Oil seal and power transmission apparatus.
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Panchetti Benito (Turin ITX), Radial gasket with protruding lip portion.
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Toth David Michael ; Tripathy Bhawani Sanker ; Kapcoe John C., Radial lip seal having protected porous dust excluder.
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Morimoto,Keizo; Baba,Takeshi, Rotation shaft seal.
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Morimoto,Keizo; Baba,Takeshi, Rotation shaft seal.
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Iketani,Masamichi, Seal device for water pump, rotation supporting device for water pump and assembly method for water pump.
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Oldenburg,Michael R., Seal for a shaft.
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Denton, Dennis N.; Maskaliunas, Linas L.; Stroup, Sandra L., Seal with plastic inner cup.
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Denton, Dennis N.; Maskaliunas, Linas L.; Stroup, Sandra L., Seal with plastic inner cup.
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Deuring Hans (Im Eulenflug 29 D-5093 Burscheid DEX), Sealing cover, particularly for motor vehicle crankcases and gear boxes.
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Larson, Richard M.; Rupp, David C.; Fernandez, Reynaldo; Stark, John; Greca, Gerald A., Shaft seal assembly.
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Camwell, Paul L.; Switzer, David A.; Dopf, Anthony R.; Neels-Slingerland, Laura C., Spindle for mud pulse telemetry applications.
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Camwell, Paul L.; Switzer, David A.; Dopf, Anthony R.; Neels-Slingerland, Laura C., Spindle for mud pulse telemetry applications.
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Wang, Sheng-Huang; Huang, Shin-Chieh, Wheel hub seal.
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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] Semi-unitized shaft seal and method 원문보기