AUFPRALL-UEBERLEBENSSITZ FUER HUBSCHRAUBER UND STARRFLUEGEL-FLUGZEUGE

A tri-axis crash survivable seat, utilizing a plurality of energy absorbers, which are swivel mounted to the seat bucket and also to a frame where the frame is securely fastened to the structure of a rotary wing or fixed wing aircraft. The energy absorbers are utilized in upper, intermediate and low...

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description A tri-axis crash survivable seat, utilizing a plurality of energy absorbers, which are swivel mounted to the seat bucket and also to a frame where the frame is securely fastened to the structure of a rotary wing or fixed wing aircraft. The energy absorbers are utilized in upper, intermediate and lower pairs, each having different energy absorbing characteristics, stroking distances, and force-displacement relationships from the other pairs. The energy absorbing devices attach to the bucketseat and supporting frame so as to permit tri-axial energy absorption during impact for various vertical or combined vertical impact angles. Each of the intermediate pair of energy absorbing devices is a two stage device designed to minimize the dynamic overshoot associated with the elasticity of the human body, such that a reduced probability of injury is obtained. Energy is dissipated in a controlled manner through the process of the displacement of the seat relative to the craft under arbitrary crash conditions.
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subjects AIRCRAFT
ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT
AVIATION
COSMONAUTICS
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT
FLYING SUITS
PARACHUTES
PERFORMING OPERATIONS
TRANSPORTING
title AUFPRALL-UEBERLEBENSSITZ FUER HUBSCHRAUBER UND STARRFLUEGEL-FLUGZEUGE
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