Suspension device with a compensatory spring system

Spring devices – Coil – Including end thrust member

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Details

248613, 267178, F16F 12, F16L 316

Patent

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046131191

ABSTRACT:
A suspension device for suspendingly supporting loads under a generally constant spring-biasing support force defined by two relatively movable portions, a first of the portions being secured to a support and a second of the portions being secured to a load to be suspendingly supported thereby, a main spring for biasingly mounting the first and second portions relative to each other, the second portion being an elongated member having an upper end portion, at least one compensatory spring adjacent the upper end portion of the elongated member, a pivoted lever between the one spring and the elongated member upper end portion, and a cam and cam follower carried by the lever and its elongated member upper end portion which compensates the tension and/or compression forces of the main spring as the cam and cam follower operate relative to each other.

REFERENCES:
patent: 3207496 (1965-09-01), Hrebicek
patent: 3588010 (1971-06-01), Liesegang
patent: 3789948 (1974-02-01), Hrebicek

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