| 摘要 |
A ladder device with integral housing, hinges, and axle for use in conjunction with independent support structures. The device utilizes minimal space within the support structure, transfers the preponderance of loads to the floor, is adjustable for varied dimensional relationships and is adaptable to a plurality of locations within or upon the support structure. The device can be extended and deployed, used to extend a users reach height, and then stowed away within the housing without disturbing the use of the support structure.
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