Method for fabrication of flexible shaft
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United States of America Patent
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-
Jun 2, 1987
Issued Date -
N/A
app pub date -
Nov 20, 1985
filing date -
Feb 7, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a method for the fabrication of a flexible shaft comprising a spiral cut member having an essentially uniform inside diameter and a tapered linear profile coextensive with at least a portion of the spiral of sai d member. This flexible shaft is fabricated initially by progressively removing a portion of the exterior wall along a predetermined segment of a relatively rigid tube thereby forming a tapered profile along such segment. A series of cuts are thereafter made in the wall of the tapered segment of the tube resulting in a progressive and transition free increase in flexibility along itslongitudinal dimension; that portion of the tapered segment having the thinner wall being increasingly more flexible than that portion of the tapered segment having a comparatively thicker wall.
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