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1. WO2020201700 - AN ENERGY ABSORBER AND SAFETY DEVICE

Publication Number WO/2020/201700
Publication Date 08.10.2020
International Application No. PCT/GB2020/050699
International Filing Date 18.03.2020
IPC
A62B 35/00 2006.01
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
35Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
A62B 35/04 2006.01
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
35Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
04incorporating energy absorbing means
CPC
A62B 35/0093
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
35Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
0093Fall arrest reel devices
A62B 35/04
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
35Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
04incorporating energy absorbing means
Applicants
  • RENTON, Julian Elwyn [GB]/[GB]
  • NOTT, Peter Thomas Mence [GB]/[GB]
Inventors
  • RENTON, Julian Elwyn
  • NOTT, Peter Thomas Mence
Agents
  • MARLES, Alan David
  • WILLIAMS, Ceili
  • GAUNT, Robert John
Priority Data
1904381.929.03.2019GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) AN ENERGY ABSORBER AND SAFETY DEVICE
(FR) ABSORBEUR D'ÉNERGIE ET DISPOSITIF DE SÉCURITÉ
Abstract
(EN)
There is provided an energy absorber comprising a first component such as a drum (7) having an axial bore and mounted for rotation about a second component such as a shaft (6). A resilient element such as a ring (1) is disposed between the first and second components and its periphery can be energised to apply a radial force with one of the components to effect frictional engagement in rotation. The resilient element has a positive interconnect (5) with the other of the two components. When a torque applied between the two components exceeds a predetermined magnitude, the frictional engagement is overcome and the first and second components are able to rotate relative to one another.
(FR)
L'invention concerne un absorbeur d'énergie comprenant un premier composant tel qu'un tambour (7) ayant un alésage axial et monté pour pouvoir effectuer une rotation autour d'un deuxième composant tel qu'un arbre (6). Un élément élastique, tel qu'une bague (1), est disposé entre les premier et deuxième composants et sa périphérie peut être mise sous tension pour appliquer une force radiale avec l'un des composants en vue d'effectuer une mise en prise par frottement en rotation. L'élément élastique possède une interconnexion positive (5) avec l'autre des deux composants. Lorsqu'un couple appliqué entre les deux composants dépasse une amplitude prédéterminée, la prise par frottement est surmontée et les premier et deuxième composants peuvent entrer en rotation l'un par rapport à l'autre.
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