Shear action and compression energy absorber

Details Shear action and compression energy absorber Shear action and compression energy absorber

E - Fixed Constructions

01

F

267/59

E01F 15/00 (2006.01) E01F 15/14 (2006.01) F16F 7/12 (2006.01)

Patent

CA 1161866

SHEAR ACTION AND COMPRESSION ENERGY ABSORBER ABSTRACT An energy absorbing apparatus is provided to dissipate the energy of the impact force of a vehicle. A plurality of energy absorbing sheets are arranged in a stacked relation to resist the impact force and to thereby dissipate the energy of the force. Each sheet has a honeycomb structure of hexagonal cells that are filled with a deformable material such as polyurethane foam and that are defined by walls of relatively rigid material. In operation, an impact force is applied to the stack of energy absorbing sheets and each sheet is thereby caused to cut or shear into its abutting sheet so that at least a portion of the energy of the impact force is dissipated. As the stacked sheets cut into one another, the energy of the force is further dissi- pated by the compression of the polyurethane foam of the sheets.

371881

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