Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Frank Stearns0
Date of Patent
March 5, 2019
Patent Application Number
15942641
Date Filed
April 2, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
This disclosure is directed to couplers which significantly reduce the production of noise when disconnected from a mating coupler, thus addressing a significant occupational safety problem in the field of compressed air couplings. Accordingly, one aspect of the disclosure provides a coupler which may be used to connect/disconnect an air hose subjected to high air pressure while suppressing or dampening the noise typically produced upon disconnecting the coupler. In some examples, a coupler is provided with a valve having axial passageways that facilitate the relatively free flow of air during normal operation that become partially occluded upon an action disconnecting the coupler to significantly reduce sound levels.
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