CAR PROTECTIVE BUMPER Russian patent published in 2013 - IPC B60R19/18 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry, particularly, to protective bumpers. Proposed device comprises bumper and slide devices. Bumper features box-section while box features also box-section. Multilayer corrugated packs are fitted between said body and bumper. Said packs are composed of flute-in-flute tapes with smooth tapes, thicker than corrugated tapes, fitted there between. Note here that body and base of every slide device are stepped. Step vertical walls are arranged between separate parts of pusher or above said the gaps there between. Said steps form chambers with vertical size increasing toward slide device end. Said packs are tightly fitted in both lateral gaps between bumper and body bent ends and in frontal gap between body and bumper arranged nearby body outer wall. It is distinguished by smooth tape definite thickness selection, that of initial flexure of corrugations in the pack, pack parameters, and upper flange of every bent end of the body. It is distinguished by smooth tape definite thickness selection, while that of initial flexure of corrugations in the pack, pack parameters, and upper flange of every bent end of the body.

EFFECT: higher efficiency of absorbing both frontal and lateral impacts.

4 cl, 5 dwg