Cable strain relief device

Electrical connectors – With or having flexible guard or support for cable or conductor – Resilient

Patent

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Details

174135, 439449, H01R 1356

Patent

active

050301357

ABSTRACT:
An improved strain relief device is connectable to a cable end portion to resiliently resist both bending and torsional loads imposed thereon. The strain relief device is formed from a resilient material and includes a tubular body portion which receives and is fixedly secured to the cable end portion to be protected. Projecting radially outwardly from the outer side surface of the tubular body are a circumferentially spaced series of elongated, resilient rib members which extend lengthwise in a direction parallel to the axis of the strain relief body. The ribs taper radially outwardly along their lengths and collectively function to progressively resist both bending and torsional loads imposed upon the cable end portion in a manner maintaining a generally linear relationship between the bending and torsional loads on the cable end portion and the resulting axial lengths of the strain relief body portion being bent or twisted. In a preferred embodiment of the strain relief device, an electrical connector member is formed integrally with one end of the strain relief body and may be operatively connected to the complementarily configured electrical connector structure to conductively link the same to the cable end portion protected by the externally ribbed strain relief body.

REFERENCES:
patent: 2209814 (1940-07-01), Finger
patent: 2367996 (1945-01-01), Clark et al.
patent: 2421155 (1947-05-01), Miller et al.
patent: 2508638 (1950-05-01), Bricker
patent: 3366917 (1968-01-01), Karol
patent: 4082422 (1978-04-01), Kloots
patent: 4203004 (1980-05-01), Cox
patent: 4461529 (1984-07-01), Fariss
patent: 4718860 (1988-01-01), Gobets et al.

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