US PATENT SUBCLASS 267 / 291
.~.~.~ Having guide rods extending through coils

Current as of: June, 1999
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267 /   HD   SPRING DEVICES

2  DF  VEHICLE {14}
286  DF  .~ Coil {3}
289  DF  .~.~ Plural coils {2}
291.~.~.~ Having guide rods extending through coils

DEFINITION

Classification: 267/291

Having guide rods extending through coils:

(under subclass 289) Spring device wherein each of two coil-spring elements have a rigid bar or tube located inside and oriented along or parallel to the central axis of the coil, and which slidingly engages cooperating structure attached to the other end of the coil as the spring elements are compressed.