Bearings – Rotary bearing – Plain bearing
Reexamination Certificate
2007-09-14
2010-06-15
Charles, Marcus (Department: 3656)
Bearings
Rotary bearing
Plain bearing
C384S448000, C384S605000, C384S624000
Reexamination Certificate
active
07736062
ABSTRACT:
For machinery comprising rotary components attached to at least one drive shaft, at least one rotary bearing to position the drive shaft with a rotational freedom of movement about a drive shaft axis and associated stationary components, apparatus that comprises: a rotary backup bearing sleeve attached to the drive shaft proximate the bearing comprising a rotary radial surface relative to the drive shaft axis and a rotary axial surface relative to the drive shaft axis; and a stationary backup bearing collar mounted to one of the stationary components proximate the rotary backup bearing sleeve comprising a stationary radial surface relative to the drive shaft axis proximate the rotary radial surface with a predetermined axial clearance and a stationary axial surface relative to the drive shaft axis proximate the rotary radial surface with a predetermined axial clearance.
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Fichtner Dirk A.
Giammaria Dominic
Hagshenas Behzad
Johnson Crosby H.
Parme Charles B.
Charles Marcus
Hamilton Sundstrand Corporation
Mican Stephen G.
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