.~ Bumper having impact force absorbing means directly interposed between bumper and vehicle structure {3}
133
.~.~ One-shot type
DEFINITION
Classification: 293/133
One-shot type:
(under subclass 132) Device in which the usefulness of the shock-dampening means is destroyed as the result of its use in dampening the force of a single shock.
(1) Note. This subclass includes one-shot devices which may be restored to useable condition by an operator-actuated means only.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
492, for one-shot type collapsible steering columns.
188, Brakes,
371+, for a plastically deformable impact absorber. 213, Railway Draft Appliances,