Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Position or guide means
Patent
1998-05-05
2000-09-12
Browne, Lynne H.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Position or guide means
404 6, A01K 300, E01F 1500
Patent
active
06116805&
ABSTRACT:
An energy absorbing guardrail crash attenuator system comprises a row of compressible hoops with left and right border panels extending along at least a portion of the row. Adjacent hoops in the row are attached, with the proximate portions of adjacent hoops defining connection regions. The border panels extend along the left and right sides of the row of hoops, with the panels being separated by a panel distance. The left and right border panels have opposing portion pairs that are restricted in their movement such that the pairs do not move more than the panel distance apart during compression of one or more of the hoops. At least one of the opposing portion pairs is disposed about one of the connection regions. In an aspect of the attenuation system, the hoops have left and right outwardly bowing curved panels having front ends oriented toward the row front and back ends oriented toward the row back. Adjacent hoops are connected to each other with flexible joints that also connect the curved panels front ends and the curved panels back ends, respectively. In an aspect of the attenuation system, the front end of the row of compressible hoops extends into an array of containers of particulate mass, such that the attenuation system performs gating and redirecting functions.
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Browne Lynne H.
Cottingham John R.
Stout Donald E.
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