A fall arrest unit and a fall arrest system using such units

In one embodiment the invention provides an impact-absorbing unit comprising an outer wear-resistant casing (10) and one or a plurality of inner stress resistant envelopes (20) containing impact absorbing material. The outer envelope is provided with a plurality of interconnection means (65,70) on a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MICHAEL JOHN STEPHENS, CHRISTOPHER GEORGE PRICE, PETER ANTHONY BELL
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In one embodiment the invention provides an impact-absorbing unit comprising an outer wear-resistant casing (10) and one or a plurality of inner stress resistant envelopes (20) containing impact absorbing material. The outer envelope is provided with a plurality of interconnection means (65,70) on at least one surface thereof, whereby a plurality of such units can be connected together in a closely adjacent relationship to define a substantially continuous surface. In another embodiment the compressible elements are directly enclosed within the casing 10. In another embodiment the loose fill of compressible elements is replaced by at least one open cell foam element and valve means are provided for evacuating air from the foam, whereby to compress the foam and allow subsequent expansion thereof by exposure to ambient air pressure.