Importance

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Abstract

Described are various embodiments of capstan drive transmission self-tensioning apparatus and method. In one embodiment, the capstan drive transmission self-tensioning apparatus comprises a body coupled to the capstan drive drum comprising a force providing member coupled to the cable and configured to displace the cable along a path increasing an effective distance between said first end and said second end of the cable thereby increasing a tension within said cable; a jamming assembly directly or indirectly coupled to said cable and configured to: allow motion of said cable along said path upon said tension being below a lower designated level; and prevent motion of said cable along an opposite path upon said tension being above an upper designated level. In some embodiments, the jamming assembly may comprise a spring-loaded rocker mechanism, a ratcheting mechanism or a directional frictional material to provide the jamming effect.

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First Claim