| 摘要 |
A ramp system comprising: a platform, a box beam connecting a pair of stringer sides, wherein the stringer sides are connected to the box beam; the stringer sides having an upper and lower surface, wherein the lower surface is designed to contact the ground and the upper surface forming a rail; the box beam having a lower surface designed to contact the ground, and the upper surface to be less in height than the upper surface of the stringer sides; the lower surface of the platform is connected to the upper surface of the box beam, and stringer sides such that the distal end is flush with the outer portion of the box beam, and the proximal end is flush with the pointed end of the stringer sides, and the two sides of the platform abut the inner surface of the stringer sides forming a ramp with guard rails. |
