Static structures (e.g. – buildings) – Means compensating earth-transmitted force – Relative motion means between a structure and its foundation
Reexamination Certificate
2007-09-04
2007-09-04
Novosad, Jennifer E. (Department: 3634)
Static structures (e.g., buildings)
Means compensating earth-transmitted force
Relative motion means between a structure and its foundation
C248S564000
Reexamination Certificate
active
11279138
ABSTRACT:
A storage rack vibration isolator for a storage rack system installed on a floor comprising a first mounting plate connectable to the storage rack system, a second mounting plate connectable to the floor. An elastomeric component extending between these mounting plates and is operatively attached to them so that during seismic events the first and second mounting plates remain attached to the elastomeric component as the elastomeric component is placed in shear while the first and second mounting plates are able to move in planes substantially parallel to each other. The elastomeric component comprises at least one elastomeric member made of material that is capable of absorbing and dissipating the energy of ground movement imparted to the storage rack system during seismic events, while the material enables the storage rack system to move a sufficient distance relative to the floor to lower the natural frequency of the storage rack system in at least one horizontal direction.
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“Seismic Considerations for Steel Storage Racks Located in Areas Accessible to the Public,”FEMA 460—Sep. 2005, Prepared by the Building Seismic Safety Council for FEMA, 172 pages. See cover letter for explanation.
Courtwright James A.
Michael Robert
Pellegrino John B.
Goebel, Jr. Edward W.
MacDonald Illig Jones & Britton LLP
Novosad Jennifer E.
Ridg-U-Rak, INc.
Woodard Jon L.
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