Combination actuator latch mechanism
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United States of America Patent
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Issued Date -
May 3, 2007
app pub date -
Nov 3, 2005
filing date -
Nov 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hinge for a boom associated with a spacecraft antenna or other payload. The boom hinge includes two hinge bodies and at least three links, where one of the links is a drive link. The resulting hinge is an N+4 bar linkage. An actuator rotates the drive link so that the other links wrap around it, and the next link in the series of links acts as a drive link as the links get wrapped around the primary drive link. At the end of the deployment, the hinge precisely emulates the classic four-bar over-center latch behavior. This allows any hinge-offset distance between the hinge bodies when stowed in a larger hinge rotation angle without structural compromises.
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