Patent ID: 9314391
Filing Date: 2016-04-19
CPC Classification: A61F,A61H,A63B,Y10T

Claim Text:
1. A joint for articulations comprising: a pair of coupled box-shaped elements, facing each other in an open surface, moveable and rotating with respect to each other, around a common longitudinal axis, a spring-charged pseudo-elastic element positioned within the pair of coupled box-shaped elements and including at least a curved portion substantially forming a ring and two straight portions terminating in a first end and a second end, said two straight portions including said first end and said second end developing radially in a plane substantially parallel to a lying plane of the curved portion; said first end being positioned in a hole in one of said pair of coupled box-shaped elements and said second end being positioned in another of said pair of box-shaped elements whereby said spring charged pseudo-elastic element causes the reciprocal rotation of each element of said pair of coupled box-shaped elements; each of said pair of coupled box-shaped elements carrying an arm that faces outwardly for connection with associated portions of an articulation and including a stop element; said joint further comprising an interposed ball bearing that is situated on or within inner extensions of said pair of coupled box-shaped elements, wherein said spring-charged pseudo-elastic element is positioned around said inner extensions; said extensions carrying an axial constraint member for said pair of coupled box-shaped elements.