Pneumatically retractable and extendable underrun protection with curved pneumatic cylinders and shock-absorbing effect in the event of a vehicle impact at the rear of the truck, without the use of lubricants

摘要

The following utility model claims are asserted with this document: 1.) Design of a curved pneumatic cylinder. 2.) Pneumatically retractable and extendable underride guard without the use of lubricant.