Bending strain relief with adjustable stiffness

Details Bending strain relief with adjustable stiffness Bending strain relief with adjustable stiffness

1981-12-15

1984-01-24

Martin, Jr., William D.

Pipes and tubular conduits

Combined

138125, 138127, 138130, 138153, 138172, 138174, 138178, F16L 1112

Patent

active

044270330

ABSTRACT:
The present invention relates to a bending strain relief device with adjustable stiffness to be used in connection with cables or pipes. The stiffness of the device is made adjustable by having an expandable body arranged between the cable or pipe and a stiffening rod arrangement. When inflated, the expandable body causes increased friction between the stiffening rod layers and the relief may be locked in any desired position.

REFERENCES:
patent: 301417 (1884-07-01), Wilkinson
patent: 746319 (1903-12-01), Frees
patent: 834074 (1906-10-01), Patterson
patent: 3420276 (1969-01-01), Skinner et al.
patent: 3831636 (1974-08-01), Bittner
patent: 3886980 (1975-06-01), Elson
patent: 4000759 (1977-01-01), Higbee

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