US PATENT SUBCLASS 248 / 566
.~.~ Variable or adjustable energy absorbing means

Current as of: June, 1999
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248 /   HD   SUPPORTS

560  DF  RESILIENT SUPPORT {16}
562  DF  .~ Including additional energy absorbing means, e.g., fluid or friction damping, etc. {6}
566.~.~ Variable or adjustable energy absorbing means

DEFINITION

Classification: 248/566

Variable or adjustable energy absorbing means:

(under subclass 562) Structure comprising means for varying or adjusting at least one characteristic of the energy absorbing means.