Improvements relating to gyroscopic apparatus, particularly to precision directionalgyroscopes

摘要

504,726. Knife-edge bearings. SPERRY GYROSCOPE CO., Ltd. HARDING, W. G., and NISBET, R. H. Oct 27, 1937, No. 29406 [Class 12 (i)] [Also in Group XX] A pendulum 73 con trolling the applicatior of correcting torques to a gyroscope is suspended by a knife edge 69 held between two large balls 63, 64, and resting on four smaller balls 66-68. The balls 63- 68 are carried in a diametrical groove in a ring 61.