Patent ID: 8322489

Claim:
An aerial rescue device for mounting on a truck comprising: a carriage comprising: a platform, the platform comprising an area defined by: a platform-top-edge; a platform-bottom-edge; said platform-top-edge and platform-bottom-edge together define a long dimension of the platform; a platform-right-side; a platform-left-side; and said platform-right-side and platform-left-side together define a short dimension of the platform that is shorter than the long dimension of the platform; a top-rung mounted to the platform below the platform-top-edge; the top-rung defined by a top-rung-left-side and a top-rung-right-side; the top-rung-left-side extending beyond the platform-left-side; the top-rung-right-side extending beyond the platform-right-side; a bottom-rung mounted to the platform above the platform-bottom-edge; the bottom-rung defined by a bottom-rung-left-side and a bottom-rung-right-side; the bottom-rung-left-side extending beyond the platform-left-side; the bottom-rung-right-side extending beyond the platform-right-side; a plurality of booms comprising: a left-boom comprising a nested extensible left-sub-boom; a right-boom comprising a nested extensible right-sub-boom; said nested extensible left-sub-boom and said nested extensible right-sub-boom extend and contract in unison; a rail within each boom of the plurality of booms; a plurality of trolleys mounted to the top-rung and the bottom-rung; each trolley in the plurality of trolleys comprises a plurality of roller assemblies; each roller assembly in the plurality of roller assemblies comprises grooved rims that straddle the rail within each boom; a first cable mounted to the platform near the platform-bottom-edge; a second cable mounted to the platform near the platform-top-edge; a first winch upon which the first cable is rotatably secured; a second winch upon which the second cable is rotatably secured; and the first winch and the second winch are operationally connected together to so that the first cable and the second cable remain taut while the platform moves up and down the plurality of booms and while the nested extensible left-sub-boom and the nested extensible right-sub-boom extend and contract.