US PATENT SUBCLASS 188 / 371
PLASTIC DEFORMATION OR BREAKAGE OF RETARDER ELEMENT (E.G., IMPACT ABSORBER)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


188 /   HD   BRAKES

371PLASTIC DEFORMATION OR BREAKAGE OF RETARDER ELEMENT (E.G., IMPACT ABSORBER) {6}
372  DF  .~> And subsequent reverse deformation
373  DF  .~> Element twisted
374  DF  .~> Element extruded through or around tool
375  DF  .~> Element severed by cutting tool
376  DF  .~> Frangible element
377  DF  .~> Crushable element

DEFINITION

Classification: 188/371

PLASTIC DEFORMATION OR BREAKAGE OF RETARDER ELEMENT (E.G., IMPACT ABSORBER):

(under the class definition) Device including first and second relatively movable members, wherein the second member includes an element adapted to be either fractured or deformed beyond its elastic limit, which element acts to restrain the relative motion.

SEE OR SEARCH CLASS

73, Measuring and Testing,

514.12+, for fluid or fluent material dampening of an inertial member in an acceleration measuring apparatus and subclass 514.14 for vibration dampening in an inertial-type acceleration measuring apparatus.

74, Machine Element or Mechanism,

492, for plastically deformable steering columns.

280, Land Vehicles, 777, for a steering column or steering wheel that is collapsible in response to a collision.

293, Vehicle Fenders,

133, for a one-shot type (e.g., plastically deformable or breakable) bumpers.