Shock absorbers

Details Shock absorbers Shock absorbers

1981-07-27

1984-01-03

Spar, Robert J.

Brakes

Plastic deformation or breakage of retarder element

Crushable element

206591, 217 52, 220200, B60T 1104

Patent

active

044238029

ABSTRACT:
An improved cushioning or shock absorbing device attachable to the ends of a generally cylindrical container for transporting or storing radioactive material, especially spent nuclear fuel elements, has a substantially uniform dampening or cushioning characteristic even for different impact directions. The device is cap-shaped, having an annular part with a plug part in the outer end thereof. The annular part includes a strong rigid inner sleeve extending from the open end of the device partly between the two parts. The inner end of the plug part has a sheet metal disc-like inner cover secured to the sleeve for detachment on impact. Both parts are divided into a plurality of interior chambers by sheet metal plates, the chambers being filled with cushioning material. The container is provided with an exterior abutment surface spaced from and opposed to the inner end of the annular part, when the device is installed, so that the annular part is detached on impact and becomes effect to absorb shocks on engagement with the abutment surface.

REFERENCES:
patent: 3209864 (1965-10-01), Boyd
patent: 4116337 (1978-09-01), Backus
patent: 4190160 (1980-02-01), Andersen et al.

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