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Hose quick coupling apparatus

  • US 4,691,942 A
  • Filed: 08/13/1986
  • Issued: 09/08/1987
  • Est. Priority Date: 08/13/1986
  • Status: Expired due to Fees
First Claim
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1. A quick-disconnect cam locking safety coupling having a hollow male plug with an external peripheral groove, a hollow socket receiving said male plug and forming said coupling, said socket having a pair of opposed side openings aligned with said peripheral groove;

  • mounting ears on opposed sides of the opening;

    means, including a gasket, for sealing between the male plug and the socket;

    a pair of cam members each having a lever extending therefrom and lying adjacent the socket with there being a cam portion passing through one of said side openings and engaging said peripheral groove;

    a shaft supported by said ears by which each of said cam members are pivotally connected to the socket for outward movement of the levers away from the socket to disengage the cam portions from the said peripheral groove;

    the improvement comprising;

    a bore formed through said cam member, said bore communicates with said shaft and is perpendicular thereto;

    a detent formed in said shaft adjacent said bore, a piston reciprocatingly received within said bore, biasing means urging said piston towards the detent;

    said shaft is non-rotatably supported by said ears, said cam member pivots about the fixed shaft;

    said bore and detent are oriented respective to said socket whereby said cam member is releasably locked when the lever is moved against the socket.

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