| 主权项 |
1. A drain cleaning cable coupling assembly comprising:
a male coupling including a pair of engagement prongs, each engagement prong including an expanded or bulbous end region, the engagement prongs spaced apart from one another and defining a docking region therebetween; a female coupling having a circumferential wall defining a pair of receiving regions sized and shaped to fittingly engage the pair of engagement prongs of the male coupling, the female coupling also defining an outer end face, the circumferential wall defining a generally hollow interior chamber accessible via the end face and the pair of receiving regions; a collar disposed in the interior chamber of the female coupling; a cylindrical plunger movably disposed within the interior chamber of the female coupling, the plunger linearly displaceable between a retracted position and an extended position, the plunger including a ridge extending around the circumference of the plunger; wherein upon displacement of the plunger to the extended position, the ridge contacts the collar and the plunger is thereby retained within the interior chamber. |
