Patent attributes
A fastener that holds two portions of a cord-like material, which has ends, in a temporarily locked position until a prescribed force is applied to these ends to cause the material to slide though the fastener, includes (a) a rear enclosure having a cavity with two holes and two openings that each have a centerline, (b) a front enclosure having two apertures, each with a centerline, (c) a pair of movable posts, each having a centerline, and wherein the enclosures and posts are configured so that their respective centerlines can temporarily be brought into alignment so as to allow an end of the material to pass through the fastener, and (d) a pair of springs, each in contact with the bottom of a post. Wherein, the spring has a spring constant (k) and the post has a coefficient of friction (c
