| 主权项 |
1. A pedestrian bridge, configured to be portable and expandable; the pedestrian bridge comprising:
a bridge, further comprising a plurality of bridge rows and columns including cross bar slots, mechanically coupled to at least one foot offset from edges on the distal bridge row and the distal bridge column and configured to be elevated above standing water; wherein the plurality of bridge rows and columns are configured to trap air increasing buoyancy of the bridge; a front ramp, further comprising a plurality of front ramp rows and columns, rotatably coupled to the bridge and configured to be folded upon the bridge making the pedestrian bridge portable; wherein the plurality of front ramp rows and columns are configured to trap air increasing the buoyancy of the front ramp; wherein the front ramp is further mechanically coupled to front ramp feet offset from edges on the distal front ramp row and distal front ramp column; and a rear ramp, further comprising a plurality of rear ramp rows and columns, rotatably coupled to the bridge and configured to be folded upon the bridge further making the pedestrian bridge portable; wherein the plurality of rear ramp rows and columns are configured to trap air increasing the buoyancy of the rear ramp; wherein the rear ramp is further mechanically coupled to rear ramp feet offset from edges on the distal rear ramp row and distal rear ramp column; wherein the rows and cross bar slots run in a first direction from the front ramp to the rear ramp and the columns run in a direction perpendicular to the rows; and a support bar, inserted into each cross bar slot and confined between the distal bridge row and the distal bridge column and configured to provide lateral support for the bridge. |
