Patent ID: 7653957
Filing Date: 2010-02-02
Classification: B65G

Abstract:
1. A Utility ramp comprising: a. a first elongated member, having a first end with a first hole and a second end with a first slot, b. a second elongated member, having a first end with a second hole, and a second end with a second slot, c. a first crossbar, having a first rotary fitting in a first end for attaching to the first hole in the first elongated member in a rotating fashion, the first crossbar having a first rotating sliding fitting at a second end for attaching to the second slot in the second elongated member in a rotating sliding fashion, the first crossbar having a middle portion midway between the first end and the second end, d. a second crossbar, having a second rotary fitting in a first end for attaching in the second hole in the second elongated member in a rotating fashion, the second crossbar having a second rotating sliding fitting at a second end for attaching to the first slot in the first elongated member in a rotating sliding fashion, the second crossbar having a pivoting fitting at a middle portion for attaching to the middle portion of the first crossbar, whereby the first elongated member and the second elongated member are constrained to be parallel to one another when apart in an expanded position, and the first elongated member and the second elongated member are constrained to be parallel to one another when together in a collapsed position.