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公开(公告)号：CA2592644A1
公开(公告)日：2006-08-03
申请号：CA2592644
申请日：2006-01-24
Applicant: BELL HELICOPTER TEXTRON INC
Inventor： CAMPBELL THOMAS C , BRASWELL JAMES LEE JR , LEDBETTER TIM , WASIKOWSKI MARK , MEASOM RON , RAUBER RICHARD , SHERRILL PAUL , STANNEY KEITH , HIROS TRICIA , POPELKA DAVID , STAMPS FRANK B , SOUTHERLAND MICHAEL J , TISDALE PATRICK R
Abstract: An assembly for providing flexure to a blade of a rotary blade system includes an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween. At least one of the upper and lower yoke surfaces has a layer of cushioning material positioned thereon and secured thereto. An alternate embodiment includes an assembly for providing flexure to a blade of a rotary blade system, including, an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween and directly contacting the support plates wherein one of the curved surfaces is a non-circular arc that does not form part of the circumference of a circle. Another alternate embodiment includes a similar assembly having a twist-shank type of yoke for providing rotation of attached blades about their respective pitch axes.
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公开(公告)号：EP1841644A4
公开(公告)日：2012-04-25
申请号：EP06733805
申请日：2006-01-24
Applicant: BELL HELICOPTER TEXTRON INC
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公开(公告)号：EP1971521A4
公开(公告)日：2011-06-01
申请号：EP06849210
申请日：2006-01-13
Applicant: BELL HELICOPTER TEXTRON INC
Inventor： STAMPS FRANK B , RAUBER RICHARD E , CAMPBELL THOMAS C , BRASWELL JAMES L JR , POPELKA DAVID A , STANNEY KEITH , SOUTHERLAND MICHAEL J , TISDALE PATRICK R , WASIKOWSKI MARK
IPC: B64C27/48
CPC classification number: B64C29/0033 , B64C27/32 , B64C27/82
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