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An illumination harness with sliding vertical track support has an adjustable waist belt, an adjustable shoulder strap, a forward facing illumination light and a vertical track that the light is frictionally mounted on. The vertical track is mounted at the front midpoint of the waste belt and extend

An illumination harness with sliding vertical track support has an adjustable waist belt, an adjustable shoulder strap, a forward facing illumination light and a vertical track that the light is frictionally mounted on. The vertical track is mounted at the front midpoint of the waste belt and extends upward. The light is frictionally mounted so that its vertical position can be adjusted by hand, but it will remain in place when hanging by its own weight.

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1. An illumination harness comprising: a) a waist belt comprising a top edge, a front midpoint and a rear midpoint;b) a first shoulder strap comprising a vertical front end attached to said waist belt at about said front midpoint of said waist belt and a back end attached to said waist belt at about

1. An illumination harness comprising: a) a waist belt comprising a top edge, a front midpoint and a rear midpoint;b) a first shoulder strap comprising a vertical front end attached to said waist belt at about said front midpoint of said waist belt and a back end attached to said waist belt at about said rear midpoint of said waist belt wherein: i) said front end of said first shoulder strap comprises a vertical web comprising a top and a bottom;ii) said first shoulder strap comprises an upper portion; andiii) said upper portion of said first shoulder strap is attached to said top of said vertical web at a strap angle of less than 180 degrees with respect to said vertical web;c) a vertical track comprising an upper edge and a bottom edge, said vertical track being attached to said vertical web and not extending above said first shoulder strap; andd) an illumination light frictionally mounted on said vertical track such that the vertical position of said illumination light on said track can be adjusted by hand but said illumination light will stay in position under its own weight. 2. The illumination harness of claim 1 wherein said first shoulder strap comprises a strap adjuster and said waist belt comprises a belt adjuster and a buckle. 3. The illumination harness of claim 1 wherein said vertical track comprises an open top such that said illumination light can be slid off of said vertical track. 4. The illumination harness of claim 1 wherein said bottom edge of said vertical track is within 2 cm of said top edge of said waist belt. 5. The illumination harness of claim 1 wherein said vertical track has a height in the range of 5 to 15 cm. 6. The illumination harness of claim 1 which further comprises a pouch and wherein said vertical track is attached to said pouch and said pouch is attached to said front end of said first shoulder strap. 7. The illumination harness of claim 1 wherein said vertical track comprises a bottom stop that will prevent said illumination light from sliding down off of said vertical track. 8. The illumination harness of claim 1 wherein: a) said illumination light comprises i) a light body;ii) a horizontal mounting bar comprising left and right rails;iii) a stud; andiv) a ball joint; andb) said vertical track comprises: i) a left U channel; andii) a right U channelwherein: c) said stud proceeds forward from said mounting bar and attaches to said light body with said ball joint;d) said vertical web proceeds up from about said front midpoint of said waist belt; ande) said rails are frictionally fit in said U channels. 9. The illumination harness of claim 1 wherein: a) said vertical track comprises: i) a left U channel; andii) a right U channel;b) said U channels each comprise a vertical array of holes;c) said U channels are mounted around the edge of and attached to said vertical web such that there is a vertical gap therebetween;d) said illumination light comprises a frame; ande) said frame comprises: i) a cross bar;ii) a spring loaded plate mounted on said cross bar wherein: 1) said spring is configured to urge said plate towards said cross bar;2) said plate has a width that is larger than said horizontal spacing between said U channels;3) said plate is between said vertical web and said U channels; and4) said cross bar is in front of said U channels; andiii) a left and right peg wherein each of said left and right peg: 1) extends rearward from said frame; and2) is horizontally aligned with one of said vertical arrays of holes. 10. The illumination harness of claim 1 wherein: a) said upper portion of said first shoulder strap comprises a front and a back; andb) said front of said upper portion of said first shoulder strap comprises a reflective strip. 11. The illumination harness of claim 1 which further comprises: a) a battery pack mounted on said waist belt at about said rear midpoint of said waist belt; andb) a wire providing power from said battery pack to said illumination light. 12. The illumination harness of claim 11 wherein said battery pack comprises a first rear visibility light and wherein said first rear visibility light projects a light beam with divergence angle of at least 90 degrees. 13. The illumination harness of claim 1 wherein: a) said illumination harness comprises a second shoulder strap comprising a upper portion; andb) said upper portion of said second shoulder strap is attached to said top of said vertical web. 14. The illumination harness of claim 13 wherein said top of said vertical web comprises a branching top such that said upper portions of said first and second shoulder straps are attached to said vertical web at a desired angle. 15. The illumination harness of claim 1 wherein: a) said vertical track is a flat sheet comprising a first cylindrical rail on its right side and a second cylindrical rail on its left side; andb) said illumination light comprises a first leg on its left side and a second leg on its right side and wherein said legs each comprise an open cylindrical cavity adapted to frictionally fit on said cylindrical rails. 16. The illumination harness of claim 15 wherein: a) said first cylindrical rail is described by an external radius;b) said open cavity on said first leg is described by an internal radius; andc) said internal radius is less than said external radius. 17. The illumination harness of claim 15 wherein said vertical track is made from a web of material and wherein said cylindrical rails are fabric piping.