Patent ID: 8104799
Filing Date: 2012-01-31
Classification: B22F,B28B,B33Y,Y02P

Abstract:
1. A duct connection system, configured to transition between locked and unlocked positions, comprising: a first duct structure including a first duct section having a passage for conveying a substance; a collar rotatably and captivity coupled to the first duct structure; at least two collar stops disposed on the first duct structure such that the collar is rotatably positioned therebetween; and a second duct structure including a second duct section having a passage for conveying the substance, the second duct structure defining an outer diameter at least one external pin disposed on the outer diameter of the second duct structure; a slot positioned in the first duct structure, the slot configured to accept the external pin; a detent positioned in the first duct structure, the detent configured to accept the external pin; a first grip disposed on the collar and a female alignment feature proximate the first grip; and a second grip disposed on the second duct structure; wherein when the first duct structure is brought into proximity with the second duct structure the external pin is positioned within the slot and the second grip enters the female alignment feature; and wherein rotation of the collar moves the first grip into contact with the second grip, and moves the external pin into the detent such that the first duct structure and the second duct structure are in a locked position, the locked position comprising a sealing force that is substantially equal to a predetermined value.