Patent ID: 9217524
Filing Date: 2015-12-22
Classification: F16L,Y10T

Abstract:
1. A threaded coupling, comprising: a generally cylindrically shaped male coupling half; a generally cylindrically shaped female coupling half; said male coupling half includes a male body, said male body includes an exterior, and said exterior of said male body includes external threads thereon; said female coupling half includes a female sleeve and a female body; said interior of said female sleeve includes internal threads; said female sleeve includes an end portion; said end portion of said female sleeve includes a hook portion; said hook portion of said female sleeve being generally cylindrically shaped; said generally cylindrically-shaped hook portion includes raised portions and circumferentially spaced recesses therein; said male body includes a locking lever receptacle recessed in said exterior of said male body, and said locking lever receptacle of said male body further includes first and second slots therein; a locking lever; said locking lever includes first and second pivot pins; said locking lever includes a blocking end portion; said first and second pivot pins of said locking lever reside in said first and second slots of said locking lever receptacle of said male body, said locking lever pivoting about said pivot pins; said locking lever includes an O-ring slot therein; said male body includes an O-ring slot therein which extends circumferentially around said generally cylindrically shaped male body and is aligned with said O-ring slot in said locking lever; a tensioning O-ring, and said tensioning O-ring extending circumferentially in said O-ring slot in said male body and in said O-ring slot in said locking lever biasing said blocking end portion of said locking lever to a raised position for engagement with said cylindrically-shaped hook portion of said female sleeve including said circumferentially spaced recesses in said cylindrically-shaped hook portion of said female sleeve; said tensioning O-ring securing said locking lever in said locking lever receptacle; during engagement of said male coupling half and said female coupling half, said external threads of said male body engage said internal threads of said female sleeve, said female sleeve of said female coupling half is rotated with respect to said male coupling half and said cylindrically-shaped hook portion of said female sleeve including said raised portions and said circumferentially spaced recesses in said cylindrically-shaped hook portion of said female sleeve engage said blocking end portion of said locking lever alternately pivoting said blocking end portion of said locking lever about said first and second pivot pins between a position proximate said receptacle of said male body when said raised portions of said generally cylindrically-shaped hook portion engages said blocking end portion of said locking lever and a position distal with respect to said receptacle of said male body when said circumferentially spaced recesses of said cylindrically-shaped hook portion engage said blocking end portion of said locking lever, and as rotation of said female sleeve continues said female sleeve moves said female body toward said male body until threaded engagement of said female coupling half and said male coupling half is complete; said blocking end portion of said locking lever is in said raised position when said cylindrically-shaped hook portion and one of said circumferentially spaced recesses thereof are fully engaged with said blocking end portion of said locking lever and threaded engagement of said female coupling half and said male coupling half is complete; a locking sleeve; said locking sleeve being generally cylindrically shaped, said locking sleeve engages said exterior of said male body and extends circumferentially thereabout; and, said locking sleeve prevents said female sleeve and said male body from being unthreaded.