Self-stabilized stepped crashworthy stiffeners

Details Self-stabilized stepped crashworthy stiffeners Self-stabilized stepped crashworthy stiffeners

1991-01-07

1991-12-03

Oberleitner, Robert J.

Brakes

Plastic deformation or breakage of retarder element

Crushable element

244117R, F16F 712, B64C 100

Patent

active

050693182

ABSTRACT:
A crushable, composite, columnar, self-stabilized structure for absorbing energy by progressively reacting compression forces along the axis of the structure. The compression failure initiates at one end and progresses to the second end of the stiffener in a controlled fashion in that at any cross section, the local compression strength at that point is less than the general stability strength of the remaining structure.

REFERENCES:
patent: 4336868 (1982-06-01), Wilson et al.
patent: 4377370 (1983-03-01), Porcelli
patent: 4593870 (1986-06-01), Cronkhite et al.
patent: 4601367 (1986-07-01), Bongers
patent: 4606961 (1986-08-01), Munsen et al.

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