Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Khosro B. Hajari0
Date of Patent
April 12, 2011
0Patent Application Number
122874450
Date Filed
October 8, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An arrow nock having a telescoping impeller and housing with a resilient spring for enhancing the acceleration of launch. In various embodiments, effective together or independently, the housing and impeller are configured and coupled to: create arrow rotation during launch; grip the bowstring during notching and release it during launch; and generate tracking signals.
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