Shock absorbers absorbing energy by permanent deformation

A shock absorber of the kind which is intended to perform a single energy-absorbing collapse in the event of a supported load being subjected to, for example, an accidental impact, comprises tubular elements 6,7, means 8,9 to cause rolling or scrolling deformation thereof when a force which exceeds...

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Bibliographic Details
Main Authors MAJID MIR MOHAMMAD SADEGHI, RICHARD NORMAN JONES
Format Patent
LanguageEnglish
Published 31.07.1985
Edition4
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
SHOCK-ABSORBERS
SPRINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A shock absorber of the kind which is intended to perform a single energy-absorbing collapse in the event of a supported load being subjected to, for example, an accidental impact, comprises tubular elements 6,7, means 8,9 to cause rolling or scrolling deformation thereof when a force which exceeds a predetermined magnitude is axially applied and shear means 1,2 preventing deformation until said force magnitude is exceeded. Each tubular element 6,7 is of tapering wall thickness (gauge) from a relatively short axially central region thereof of maximum thickness towards its opposite axial ends. An alternative embodiment is described (Fig. 4) in which, instead of pairs of tubular elements 6,7 in a series of stages, a single tubular element (12) is provided that is of tapering wall thickness (gauge) from a region of maximum thickness at one axial end towards the opposite axial end.
Bibliography:Application Number: GB19830034517