Universal joint flexure hinge suspension system, and method for

Details Universal joint flexure hinge suspension system, and method for Universal joint flexure hinge suspension system, and method for

1980-05-19

1983-04-19

Bonck, Rodney H.

Metal working

Method of mechanical manufacture

Assembling or joining

74 5F, 74 546, 74 57, G01C 1904

Patent

active

043801080

ABSTRACT:
A monolithic two axis gimbal suspension system for a tuned inertial instrument includes flexure hinges which are formed monolithically integral therein to define the pivot axis of the suspension system, each monolithically integral flexure hinge having aligned pairs of skew, crossed bridges integral with the relatively rotatable gimbals of the suspension system. The suspension system is used in a dry tuned gyroscope to suspend the gyro rotor from the gyro spin shaft. A method for making the monolithic suspension system comprises electro discharge machining of a monolithic workpiece mounted on a movable mandrel. Monolithically integral flexure hinges comprising skew, crossed bridges formed therein, interconnect gimbal portions which are formed in the workpiece. Construction of an improved tuned gyroscope employing the monolithic suspension system in a single compartment housing is described.

REFERENCES:
patent: 3452609 (1969-07-01), Goodhue et al.
patent: 3463016 (1969-08-01), Erdley et al.
patent: 3529477 (1970-09-01), Quermann
patent: 3832906 (1974-09-01), Craig
patent: 3943778 (1976-03-01), Wyse
patent: 3974701 (1976-08-01), Erdley
patent: 4114402 (1978-09-01), Craig et al.
patent: 4143451 (1979-03-01), Craig et al.

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