Navigation unit

Details Navigation unit Navigation unit

1996-12-31

1999-11-02

Hirshfeld, Andrew

Geometrical instruments

Indicator of direction of force traversing natural media

Gyroscopically controlled or stabilized

33324, 33329, 74 522, 74 58, 248207, 24822341, G01C 1900

Patent

active

059746750

ABSTRACT:
A navigation unit having a gyro sensor mounted thereon. The unit includes a mounting mechanism for changing the mounting direction of the gyro sensor so that the rotation detecting axis of the gyro sensor may be vertical, i.e. normal to a vehicle. In one embodiment, the navigation unit includes a support device for supporting the gyro sensor rotatably with respect to a casing. The gyro sensor may be supported in a rocking manner in the casing, and mounted to be changed between a first mounting direction and a second mounting direction perpendicular to the first mounting direction. In the preferred construction, the gyro sensor has a first pin and a second pin, and the casing has a first guide groove for receiving and guiding the first pin, and a second guide groove extending perpendicular to the first guide groove for receiving and guiding the second pin. The second guide groove provides a rocking center for the gyro sensor.

REFERENCES:
patent: 1067716 (1913-07-01), Burdett
patent: 1137258 (1915-04-01), Chessin
patent: 2099705 (1937-11-01), Reichel
patent: 2219964 (1940-10-01), Roland et al.
patent: 3313163 (1967-04-01), Flannelly
patent: 3610054 (1971-10-01), Johnston
patent: 4756088 (1988-07-01), Russell et al.
patent: 5816097 (1998-10-01), Park

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