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Triaxial Buckling Shock Mount

IP.com Disclosure Number: IPCOM000122842D
Original Publication Date: 1998-Jan-01
Included in the Prior Art Database: 2005-Apr-04
Document File: 2 page(s) / 32K

Publishing Venue

IBM

Related People

Gibbons, CA: AUTHOR

Abstract

Honeycomb structures, made of foils or paper, have been used as the inner layer between multi-layered components to supply a desired stiffness and greatly reduce weight. In addition, when honeycomb structures are crushed, they have fairly constant crushing force over their full deflection. When used as a shock absorber, the drawback is that they can only be used once and then must be replaced. A reusable version of the honeycomb structure has been designed using elastic materials. This design is especially advantageous when used as a shock mount or vibration isolator.

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Triaxial Buckling Shock Mount

      Honeycomb structures, made of foils or paper, have been used as
the inner layer between multi-layered components to supply a desired
stiffness and greatly reduce weight.  In addition, when honeycomb
structures are crushed, they have fairly constant crushing force over
their full deflection.  When used as a shock absorber, the drawback
is that they can only be used once and then must be replaced.  A
reusable version of the honeycomb structure has been designed using
elastic materials.  This design is especially advantageous when used
as a shock mount or vibration isolator.

      The shape of the hollow columns can be varied in size,
material, shape, webbing, and wall thickness.  A taper can also be
put on the columns or wall thickness, narrowing them at one end
relative to  the other end.  This provides great versatility in
changing the load versus deflection characteristics to meet specific
needs.

      Damping within the material is another plus.  This style of
honeycomb structure has a greater ability to customize vibration
isolation over foils and paper.  Using the structure in various
orientations provides different loading characteristics.  This
structure acts in all three axis for structural loading, and shock
and vibration  isolation.  By loading perpendicular to the hollow
columns, the structure  is one of many short buckling beams.