Tension spring arrangement

Details Tension spring arrangement Tension spring arrangement

1977-04-20

1978-05-09

Blix, Trygve M.

Spring devices

Elastic extension devices

Tension spring

188216, 267174, 267179, F16F 112

Patent

active

040883116

ABSTRACT:
A tension spring arrangement in which a coil-type tension spring has a plurality of turns and two off-center hook portions joining, respectively, the two turns at the opposite ends of the spring body. When the spring is in its non-installed state, the inclination of the hook portions with respect to the longitudinal axis of the spring is different from the inclination of the hook portions when the spring is in its installed state, the difference in inclination being such that when the spring is in its installed state, there is applied to the spring body a resultant bending moment which, in magnitude and direction, is at least approximately equal to the bending moment which would be applied to the spring body were the hook portions arranged not off-center but in alignment with the longitudinal axis of the spring.

REFERENCES:
patent: RE23974 (1955-04-01), Foster
patent: 1168771 (1916-01-01), Weatherley
patent: 1711300 (1929-04-01), Ziegler

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