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Device for opening and locking a tail unit for ammunition

  • US 8,563,911 B2
  • Filed: 06/06/2010
  • Issued: 10/22/2013
  • Est. Priority Date: 06/05/2009
  • Status: Active Grant
First Claim
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1. A device for opening and locking a tail unit for ammunition, the tail unit including a body and at least one fin pivotable relative to the body along a first axis and having a projection forming a first element, the device comprising:

  • a control ring slidable relative to the body along a second axis, wherein the control ring includes a component forming a second element to bear against the projection to deploy the fin, wherein the second axis is non-parallel and non-secant to the first axis, wherein one of the first and second elements is configured to machine the other of the first or second elements through a local removal of material during translation of the control ring along the second axis towards the projection of the fin, and wherein the body includes a bearing surface to support the fin during machining, the support of the fin on the bearing surface corresponding to the deployed position of the fin.

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