Isolation system for vibratory equipment

Details Isolation system for vibratory equipment Isolation system for vibratory equipment

1997-08-18

2000-06-27

Graham, Matthew C.

Spring devices

Vehicle

Compound

267136, F16F 310

Patent

active

060796987

ABSTRACT:
An isolation component for vibratory equipment such as a vibratory trough or feeder includes an isolation spring for supporting the dynamic load of the equipment, and a damper element, preferably an elastomeric ring, arranged against an end of the isolation spring. The damper element prevents excessive motion of the isolation spring due to the vibratory equipment's operating frequency being close to any of the natural frequencies of the bending mode of the isolation spring by applying an opposing load to any such motion. The damper element is preferably an elastomer ring and is arranged along an axis of the support spring. A connector extends from a first end of the isolation spring, adjacent the damper element, toward and past a second end of the isolation spring and is connected to the vibratory equipment. The second end of the isolation spring is supported by a housing supported by external structure such that the weight and dynamic load of the equipment compresses and expands the isolation spring, and excessive expansion of the support spring acts on damper element which is braced against the housing.

REFERENCES:
patent: 2319735 (1943-05-01), Hussman
patent: 2605099 (1952-07-01), Brown
patent: 3155853 (1964-11-01), Spurlin et al.
patent: 3223400 (1965-12-01), Deister
patent: 3762694 (1973-10-01), MacDonnel
patent: 4313535 (1982-02-01), Carmichael
patent: 5667202 (1997-09-01), Gwinn

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