Patent ID: 7370725

Claim:
A device supported by a ground surface and a structure for at least one of elevating and descending a user comprising: a. a first guide rail having a first channel extending along a length thereof; b. a second guide rail having a second channel extending along the length thereof; c. at least one connector for connecting said first guide rail with said second guide rail at a predetermined location along a length thereof so that said first channel and said second channel face inwards towards each other; d. a platform for supporting the user having a predetermined amount of weight, said platform is connected within each of said first and second channels and between said first guide rail and second guide rail; e. means for moving said platform along said length of each of said first channel and said second channel, wherein upon said moving means being engaged by a user, said platform is moved distally towards at least one of a first end of said guide rails and a second end of said guide rails opposite said first end thereby moving said user therealong; and f. a leveling device for connecting said platform within each of said first channel and said second channel.