Multi-chambered foam energy absorber

Details Multi-chambered foam energy absorber Multi-chambered foam energy absorber

1977-01-18

1978-04-25

Blix, Trygve M.

Brakes

Internal-resistance motion retarder

Using yieldable or fluent solid or semisolid

267 63R, 267140, 293 86, F16F 930

Patent

active

040858324

ABSTRACT:
A shock absorber has a cylindrical housing which encloses a plurality of axially aligned chambers. Each chamber is defined by two distinct partition walls disposed perpendicular to the axis of the housing. One partition wall of each chamber is axially fixed and the other is axially displaceable relative thereto. Each chamber is filled with a pad or pads of compressible foamed plastic material, and pads of material having different densities are disposed in each chamber or in different ones of the several chambers.

REFERENCES:
patent: 2670200 (1954-02-01), Seddon
patent: 3455546 (1969-07-01), Shanok et al.
patent: 3537696 (1970-11-01), Webster
patent: 3574379 (1971-04-01), Jordan
patent: 3865417 (1975-02-01), Zwickl
patent: 3876082 (1975-04-01), Fehl et al.
patent: 3891200 (1975-06-01), Schwarz

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