Machine element or mechanism – Gyroscopes – Gyroscope control
Patent
1986-06-09
1987-11-24
Bonck, Rodney H.
Machine element or mechanism
Gyroscopes
Gyroscope control
33327, 74 59, G01C 1930, G01C 1938
Patent
active
047080248
ABSTRACT:
A gyro apparatus comprising a gyro casing incorporating therein a gyro the spin axis of which is made substantially horizontal, a supporting apparatus for supporting the gyro casing with a freedom of three axes, a north-seeking apparatus for giving a north-seeking action to the gyro, a follow-up ring having a follow-up shaft which follows the gyro casing around its substantially vertical axis, a binnacle for supporting the follow-up shaft, a servo motor for rotating the follow-up shaft and a slip ring for supplying a power to the gyro and the like through the follow-up shaft, in which the follow-up ring is formed as a fork-shape and supported to the binnacle in a canti-lever fashion, the follow-up shaft is rotatably supported to the binnacle by one thin-type ball bearing having a large diameter and one bearing having a small diameter, the follow-up shaft is fixedly provided with a rotor of a pancake-type servo motor of a direct drive system, a stator of the servo motor is attached to the binnacle at the position corresponding to the rotor and a slip ring is attached to the binnacle at the outer periphery of the servo motor.
REFERENCES:
patent: 1725317 (1929-08-01), Tanner
patent: 1739251 (1929-12-01), Mills
patent: 1866733 (1932-07-01), Tanner
patent: 2677194 (1954-05-01), Bishop
patent: 3212196 (1965-10-01), Carter
patent: 3290787 (1966-12-01), Brugger
patent: 3327541 (1967-06-01), Clark et al.
patent: 3855711 (1974-12-01), Kawada et al.
Hojo Takeshi
Nakaishi Takafumi
Bonck Rodney H.
Kabushikikaisha Tokyo Keiki
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