CPC B25J 9/106 (2013.01) [B25F 5/005 (2013.01); B25J 9/14 (2013.01); B25J 18/02 (2013.01); B25J 18/06 (2013.01)] | 18 Claims |
1. An extension tool comprising:
a plurality of sequentially arranged links moveable to a first position, the plurality of sequentially arranged links rigidly fixed to one another in the first position, the plurality of sequentially arranged links defining a first passage and a second passage, the second passage being separate from the first passage when the plurality of sequentially arranged links are rigidly fixed to one another,
wherein a first link of the plurality of sequentially arranged links includes a first wall and a second wall, wherein the first wall of the first link defines in part the first passage, wherein the second wall of the first link defines in part the second passage, and wherein the second wall is coupled to the first wall through one or more point contacts.
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