[특허]Bushing securing apparatus

[미국특허] Bushing securing apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F03D-011/04 F16C-033/02
출원번호	US-0553935 (1983-11-21)
발명자 / 주소	Fisher James E. (Palm Beach Gardens FL)
출원인 / 주소	United Technologies Corporation (Hartford CT 02)
인용정보	피인용 횟수 : 20 인용 특허 : 0

초록 ▼

Adjacent cylindrical bearings disposed within a wall are prevented from rotating and moving axially by a sheet metal tablock which simultaneously engages a slot in the external surfaces of each bearing. A cap fits around each bearing, and a flange on each cap overlies the tablock. Tab ends of the ta

대표청구항 ▼

A bushing assembly comprising: wall means having a pair of adjacent circular openings therethrough, each of said openings having an axis, said wall means having first and second oppositely facing surfaces; first and second bushing means, each including a cylindrical bearing disposed, respectively, within one of said cylindrical openings and axially concentric therewith, said cylindrical bearings each extending beyond said first surface of said wall means, each of said bushing means including means for preventing movement of said bearings in a first axial direction from said second toward said first surface through said circular opening, said bearings each having an outer cylindrical surface with a slot therein and an inner cylindrical bearing surface, each slot being spaced immediately above said first surface of said wall means, said slot in one of said bearings being in facing relationship to said slot in said other of said bearings, each bushing means including a separate retainer cap having an external wall surface and an internal cylindrical surface surrounding and in contact with said outer cylindrical surface of its respective bearing, each cap having a bottom surface in contact with said first wall surface, each cap also including an elongated notch in its bottom surface, said notch cutting through said internal cylindrical surface of said cap defining a cutout aligned with said slot in said bearing, said notch also including a rear surface, said rear surface being in facing relationship to said rear surface of said notch in said cap of said other one of said bearings; a sheet metal tablock disposed between said first and second bushing means, said tablock including a pair of oppositely facing edges, one of said edges being disposed in said notch and engaging said slot of said first bushing means, said other of said edges being disposed in said notch of said second bushing means and engaging said slot in said second bushing means, each of said retainer caps including flange means extending radially outwardly from said external wall surface, said flange means overlying said tablock, said tablock including a plurality of tabs folded over said flange means of each of said caps wherein said tablock is trapped in position between said first and second bushing means and prevents movement of said first and second bushing means in a second axial direction opposite said first axial direction and also prevents rotation of both bushing means.

이 특허를 인용한 특허 (20) 인용/피인용 타임라인 분석

Farah, Jorge I.; Chokshi, Jaisukhlal V., Airfoil attachment arrangement.
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Bonner George (Palm Beach Gardens FL) Rodriguez Milo R. (West Palm Beach FL) Kisling Douglas L. (Palm Beach Gardens FL), Anti-rotation guide vane bushing.
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Godesa Ludvik,DEX, Bearing arrangement for an operating shaft.
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Maliniak, David; Champion, Nathan F.; Frisk, Kenneth A., Bushing arranged between a body and a shaft, and connected to the body.
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Maliniak, David; Champion, Nathan F.; Frisk, Kenneth A., Bushing arranged between a body and a shaft, and connected to the shaft.
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James P. Mack ; Edward J. Mack, Bushing for a jet engine vane.
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Mack James P. ; Mack Edward J., Bushing for a jet engine vane.
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Gervais, Pascal Gérard; Lejars, Claude Robert Louis, Bushing for a variable set blade.
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Caubet, Jean-Pierre; Jean, Antoine; Naudet, Jacky; Radeljak, Gabrijel; Riccioz, Sebastien, Device for controlling variable-pitch blades.
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Cormier,Nathan Gerard; Bowen,Wayne Ray; Rhoda,James Edwin; Headley,Mitchell Jay, Gas turbine engine variable vane assembly.
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Addis, Mark E., Hole liners for repair of vane counterbore holes.
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Cadieux, Michel, Outboard insertion system of variable guide vanes or stationary vanes.
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Hunter, Alan F.; Koziol, Zbigniew M.; Witting, Nicholas F., Plain bearing.
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Sato Hiroyuki (Tokyo JPX), Shaft bearing structure.
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LeJars, Claude Robert Louis; Staessen, Richard, Stage of variable-pitch vanes for a turbomachine.
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Catte Philippe P. (Chennevieres FRX) Naudet Jacky (Bondoufle FRX), Temporary locking system for variably settable stator blades.
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Cloarec, Yvon, Turbomachine variable-pitch stator blade.
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Pudvah, Bernard W.; Gasmen, Eugene C; St. Mary, Christopher; Wiecko, Stanley, Vane arm assembly.
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Hidalgo, Mario A.; Allan, Adrian R.; Cruse, Louis D., Vane radial mounting apparatus.
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Lejars, Claude Robert Louis; Niclot, Thierry Jean Maurice; Riby, Didier Raymond Charles; Staessen, Richard, Variable-setting stator blade guidance device in an axial turbomachine.
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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] Bushing securing apparatus 원문보기