G - Physics – 01 – C
Patent
G - Physics
01
C
345/10
G01C 19/64 (2006.01) G01C 19/70 (2006.01)
Patent
CA 1264191
RING LASER GYROSCOPE CURVED BLADE FLEXURE AND SUPPORT RING ASSEMBLY AND METHOD Abstract of the Disclosure A dither flexure for a ring laser gyroscope includes a central portion and a plurality of curved vanes extending therefrom to connect to a flexure ring. The flexure ring includes a boss in a central portion thereof. A glass ceramic ring having a pair of end bosses is bonded to the boss around the flexure ring with the end bosses facing outward toward the ring laser gyroscope frame. The end bosses contact the ring laser gyroscope frame so that a void is formed opposite the flexure ring boss, which prevents transmission of radially directed stresses from the dither flexure to the frame. The curved blades have high resistance to off-axis vibrations and have high off-axis resonant frequencies so that very little coning and axis sag occur. Each blade has a curved portion and a straight portion, which provides a convenient location for mounting piezoelectric drive elements for dithering the ring laser gyroscope.
530871
Gowling Lafleur Henderson Llp
Litton Systems Inc.
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