| 摘要 |
A chair-cage coupled to helicopters to be used in construction and maintenance services in high tension towers and/or power lines. This chair-cage is constructed of a tubular support structure, surrounded by a horizontal support tube of semi-circular shape. The shape of the chair-cage is based on the theory of the Faraday cage. The operator may work standing or sitting. The construction is simple and therefor easy to manufacture and the cost of manufacture is low.
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