Stopping device. 4.1. The device consists of two identical absorbers mounted in parallel, except in the case of restraint systems when four absorbers shall be used for a nominal mass of 800 kg. If necessary, an additional absorber shall be used for each 200 kg increase of nominal mass. Each absorber comprises: an outer casing formed from a steel tube; a polyurethane energy-absorber tube; a polished-steel olive-shaped knob penetrating into the absorber; and a shaft and an impact plate.
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Samples: unece.org, tind-customer-undl.s3.amazonaws.com, digitallibrary.un.org
Stopping device. 4.1. The device consists of two identical absorbers mounted in parallel, except in the case of restraint systems when four absorbers shall be used for a nominal mass of 800 kg. If necessary, an additional absorber shall be used for each 200 kg increase of nominal mass. Each absorber comprises: an An outer casing formed from a steel tube; a A polyurethane energy-absorber tube; a polished-steel olive-shaped knob penetrating into the absorber; and a shaft and an impact plate.;
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Samples: unece.org