Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 30, 2008
Patent Application Number
10870831
Date Filed
June 17, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A kingpin is provided for use on a trailer in a system with the tractor linked to a trailer. The kingpin includes a shank and a selectively deformable head, whereby during a trailer rollover event, the kingpin head deforms allowing the link between the tractor and trailer to be broken and the tractor to remain upright.
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