Supports – Machinery support – Including vibration isolation means
Patent
1992-01-13
1993-09-07
Chotkowski, Karen J.
Supports
Machinery support
Including vibration isolation means
248635, 2671411, 267294, F16F 700
Patent
active
052421473
ABSTRACT:
A machine base isolator incorporates a plurality of elastomeric pads separated by steel separating disks. A bolt passes through the center of the pads and separating disks and is secured to a machine base; the opposite end of the bolt is imbedded within an enclosure filled with an elastomeric material. The top of the elastomeric material is covered by a reference plate having an opening large enough to permit the passage of the bolt but not large enough to permit the passage of the bolt head, thus creating an interlocking joint to prevent separation of the bolt from the reference plate. The reference plate is secured to a base plate which in turn is attached to an underlying supporting surface such as a concrete floor. The elastomeric pads are selected from an elastomeric material and configured to provide a predetermined natural frequency or period approximately corresponding to a desired frequency. The characteristics of the elastomeric material configured in the described manner provides a machine base isolator having a design frequency relatively unaffected by the variations in mass or weight that the isolator is required to support.
REFERENCES:
patent: 1977896 (1934-10-01), Saurer
patent: 2399414 (1946-04-01), Wells et al.
patent: 2660386 (1953-11-01), Munro
patent: 2660387 (1953-11-01), Roy
patent: 2708560 (1955-05-01), Paley
patent: 4773632 (1988-09-01), Hartel
patent: 5046700 (1991-09-01), Hoshino
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