Patent ID: 9561450
Date: 2017-02-07
CPC Classifications: A63B,A63K

Claim:
1. A hurdle comprising: a supporting frame and two crossing rods, the two crossing rods each respectively employing a connecting joint, a spring, an engaging member, and a locking screw engageable with two opposing standing bars of the supporting frame; wherein the supporting frame includes the two standing bars and a horizontal aperture is respectively disposed in each standing bar; each crossing rod has a hollow rod body, a soft protector jacketed onto the rod body, and a secure aperture disposed through an end of the crossing rod; the connecting joint includes a hollow tubal structure with an axial hole, a connecting section with a smaller diameter is disposed at an end, a combining aperture disposed on the connecting section, and the connecting section of the connecting joint is inserted into the rod body of the crossing rod such that the combining aperture and the secure aperture are aligned with each other; an end of the spring is a hook end and another end is a screw stem having a threaded section and an inner threaded aperture, the hook end of the spring placed into the connecting joint through the axial hole, a screw is placed through and engaged with the secure aperture and the combining aperture and also hooked by the hook end in the connecting joint, the spring engages the crossing rod through the connecting joint, and the threaded section of the screw stem is locked with the spring and extends from another end of the connecting joint; the engaging member has a first end and a second end, the first end is provided with a combining column with a smaller diameter, the second end is provided with a stepped through hole passing through the combining column of the first end, a stepped through hole at the second end of the engaging member covers the spring extending from the connecting joint such that the two crossing rods are capable of being continuously placed between the two standing bars; and the combining column is disposed in the horizontal aperture, and the locking screw is disposed through the horizontal aperture of the standing bar and the stepped through hole to enter into the engaging member and lock with the inner threaded aperture of the screw stem.