Caging system

Details Caging system Caging system

1988-08-29

1990-05-22

Basinger, Sherman D.

Aeronautics and astronautics

Aircraft structure

Load accommodation

B64D 4700

Patent

active

049270974

ABSTRACT:
A caging system is used in a magnetic platform which is mounted on a pointing system on a spacecraft. The magnetic platform supports a payload, and provides a frictionless support in all conditions. The caging system clamps the payload in a caged condition and provides a frictionless support in an uncaged condition. The caging system includes a plurality of caging actuators. Each caging actuator has an upper support structure which connects to a snubber member, and has a lower support structure which connects to a first ring and to a coaxial second ring for clamping the snubber member. A cylindrical cam member has a plurality of groove surfaces and the first and second rings respectively have a plurality of cam followers. Clockwise rotation of the cam member urges the rings together. Counterclockwise rotation urges the rings apart. A second, auxiliary caging actuator is provided. The second caging actuator is disposed radially inwardly of the first caging actuator, and includes third and fourth rings for clamping the snubber member. Manually operated gear means, and a backup motor, are provided for operating the third and fourth rings.

REFERENCES:
patent: 4088018 (1978-05-01), Anderson et al.
patent: 4108424 (1978-08-01), Rizzo
patent: 4322984 (1982-04-01), Lasker et al.
patent: 4483207 (1984-11-01), Harrington

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