Method for fabrication of flexible shaft

Details Method for fabrication of flexible shaft Method for fabrication of flexible shaft

1985-11-20

1987-06-02

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29173, 29558, 128 6, 138131, 138139, B23P 1904

Patent

active

046691723

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.

REFERENCES:
patent: 1586750 (1926-06-01), Joline
patent: 2574714 (1951-11-01), Smith
patent: 2598895 (1952-06-01), Dreyer
patent: 3788304 (1974-01-01), Takahashi

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