A rotary system includes a retention member and a flexible yoke having an opening forming a bridge. The rotary system is further provided with two bearing assemblies, a first bearing assembly extending through the opening of the yoke and configured to secure a rotor blade to the retention member and a second bearing assembly extending through the opening of the flexible yoke and configured to secure the rotor blade to the bridge. The second bearing element includes a bearing element having a first surface forming a spherical contouring and an opposing integral second surface forming a conical contouring.
申请公布号
CA2805889(A1)
申请公布日期
2013.08.21
申请号
CA20132805889
申请日期
2013.02.12
申请人
BELL HELICOPTER TEXTRON INC.
发明人
STAMPS, FRANK B.;MARSHALL, BRYAN W.;THOMPSON, TERRY K.;BRAZIEL, ORION;POPELKA, DAVID;TISDALE, PATRICK