Cable towing machine and cable laying method
AssigneeNippon Telegraph and Telephone Corporation
InventorsJun Onishi, Yasuhiro Maehara, Hidenobu Hirota, Naotsugu Ambe
Life of this patent
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Abstract
It is intended to provide a cable pulling machine that can avoid, even when installed at a high place, a stop of pulling and a cable installation method. A cable pulling machine according to the present invention includes two roller portions c having outer peripheries between which a cable a is to be held and a guide f that introduces the cable a between the roller portions c. The guide f adjusts an angle θ formed between a straight line connecting respective centers o of the roller portions c and the cable a introduced between the roller portions c to a value of not less than 45° and not more than 90°.
Claims5
A cable pulling machine comprising:
- two roller portions having outer peripheries between which a cable is to be held;
- a guide that introduces the cable between the roller portions, the guide being configured to adjust an angle formed between a straight line connecting respective centers of the roller portions and the cable introduced between the roller portions to a value of not less than 45° and not more than 90°;
- and
- a hook that allows the cable pulling machine to be hung on an existing aerial cable.
Dependencies are inferred from the claim text.