Patent Number: 6,308,919

Title: Spacecraft having a dual reflector holddown for deploying multiple reflectors in a single release event

Abstract: A spacecraft having nested reflectors that are released and deployed during a single release event using one or more dual reflector holddowns. The nested reflectors are held in place prior to release by the holddowns and are released during the single release event. The nested reflectors are secured to the body of the spacecraft by hinges attached to respective reflector backup structures and are releasably secured to the body using the one or more dual reflector holddowns. The reflector backup structures are secured by reflector interface brackets of the respective holddowns. An exemplary holddown has a separable tubular housing that is longitudinally secured together between an end cap and a release device. A threaded shaft 28 extends through the tubular housing, the end cap and the release device. A retraction spring is disposed around the exterior of the housing. The reflector interface brackets are secured to the outer and inner housings that attach the plurality of reflectors to the holddown.

Inventors: Palmer; Tyler A. (San Francisco, CA), Baghdasarian; Varouj G. (Cupertino, CA)

Assignee: Space Systems/Loral, Inc.

International Classification: B64G 1/22 (20060101); B64G 1/64 (20060101); B64G 1/66 (20060101); H01Q 1/12 (20060101); H01Q 1/28 (20060101); H01Q 1/27 (20060101); B64G 001/22 ()

Expiration Date: 10/30/2018