| 摘要 |
An improved base support or "undercarriage" of the inflatable trunk type for attachment to a machine such as an airplane, air cushion vehicle, or the like, so as to render the machine supportable by means of an air film relative to a reaction surface. The trunk structure comprises a novel, elastic (within different limitations in different directions) sheet fabrication, which is patterned to incorporate within various areas of the sheet fabrication specifically prescribed elasticity characteristics (but only within prescribed limits); either omni-directionally or bi-directionally or uni-directionally, within the plane of the sheet, as dictated by the functional prerequisites of the system.
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