Patent ID: 8562255
Filing Date: 2013-10-22
Classification: F16L

Abstract:
1. A bending restrictor assembly for use with a pipeline section, the bending restrictor assembly comprising: a sleeve having an inner diameter greater than an outer diameter of the pipeline section, said sleeve having an exterior surface, said sleeve having a hole formed into a wall thereof so as to open at said exterior surface; a first outer collar having a portion overlying a portion of said exterior surface of said sleeve, said first outer collar slidable relative to said exterior surface of said sleeve, said first outer collar having a keyway formed through a wall thereof, said first outer collar having a hole thrilled through said wall thereof and longitudinally displaced from said keyway; a first inner collar having a portion positioned within an interior of said first outer collar and having an inner diameter greater than the outer diameter of the pipeline section, said first inner collar having an end in spaced longitudinal relation to an adjacent end of said sleeve, said first inner collar having a hole formed therein so as to open at an exterior surface of said first inner collar, said exterior surface of said first inner collar being in slidable relationship with respect to an interior surface of said first outer collar; a first pin affixed in said hole of said sleeve and extending into said keyway of said first outer collar, said keyway being an elongated slot having a length greater than a diameter of said first pin; and a second pin positioned within said hole of said first outer collar and extending into said hole of said first inner collar, one of said hole of said first outer collar and said hole of said first inner collar being another elongated slot having a length greater than a diameter of said second pin, a bending of the pipeline section causing relative sliding motion between said sleeve and said first outer collar and said first inner collar.