ADJUSTABLE HEIGHT HURDLE

摘要

An adjustable height hurdle may have a rigid base with a slider movable on or in a track to different base length positions. A flexible bridge may have a first end attached to the slider and a second end attached to the track. The bridge is movable from an erect position wherein the bridge is on a top side of the base and the hurdle has an isosoles trapezoid shape, to a collapsed position wherein the bridge is on a bottom side of the base. The height of the hurdle is adjusted by changing the length of the base.

主权项

1. A hurdle comprising:
a base having a first end and a second end, and an adjustable length; a first stand at the first end and a second stand at the second end of the base; a bridge having a tension section, a first spring section and a second spring section, with the first spring section having a lower end attached to the first stand and an upper end attached to a first side of the tension section, and the second spring section having a lower end attached to the second stand and an upper end attached to a second side of the tension section; with the bridge movable from an erect position wherein the bridge is on a top side of the base with the first and second spring sections tensioning the tension section, to a folded position where the first and second spring sections are on a bottom side of the base and the tension section is un-tensioned.