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An impact absorption plate for absorbing impact in the event of a vehicle crash and a method of manufacturing the impact absorption plate includes a base plate and a plurality of bosses. The base plate has on an upper surface thereof a patterned rib unit. Each boss has fitting notches into which the

An impact absorption plate for absorbing impact in the event of a vehicle crash and a method of manufacturing the impact absorption plate includes a base plate and a plurality of bosses. The base plate has on an upper surface thereof a patterned rib unit. Each boss has fitting notches into which the patterned rib unit is fitted, and has the shape of a truncated cone which is open at a bottom thereof. Thus, when it is required to change the structure of the impact absorption plate, the removable bosses may be rearranged on the base plate as desired.

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1. An impact absorption plate for absorbing impact in a vehicle crash, comprising: a base plate having on an upper surface thereof a patterned rib unit; andwherein the patterned rib unit comprises horizontal and vertical patterned ribs and arranged to form intersections with a predetermined angle th

1. An impact absorption plate for absorbing impact in a vehicle crash, comprising: a base plate having on an upper surface thereof a patterned rib unit; andwherein the patterned rib unit comprises horizontal and vertical patterned ribs and arranged to form intersections with a predetermined angle therebetween on the upper surface of the base plate,wherein a plurality of bosses are fitted over the patterned rib unit to absorb the impact of the vehicle crash,wherein the plurality of the bosses are coupled to each other via a coupling rib unit, thus constituting a single boss module, andwherein a rib insert hole is formed on the bosses so that the coupling rib unit and the patterned rib unit are inserted into the rib insert hole together. 2. The impact absorption plate as set forth in claim 1, wherein the base plate is flexible. 3. The impact absorption plate as set forth in claim 1, wherein the boss has a fitting notch at lower end portion thereof, is fitted over and coupled to the patterned rib unit through the fitting notch. 4. The impact absorption plate as set forth in claim 1, wherein the boss has a shape of a truncated cone which is open at a bottom thereof. 5. The impact absorption plate as set forth in claim 1, wherein the horizontal and vertical patterned ribs of the patterned rib unit are in a matrix form. 6. The impact absorption plate as set forth in claim 1, wherein the plurality of the bosses have different sizes so as to prevent the bosses from interfering with adjacent components. 7. The impact absorption plate as set forth in claim 1, wherein the plurality of bosses are disposed at the intersections of the horizontal and vertical patterned ribs of the patterned rib unit. 8. The impact absorption plate as set forth in claim 1, wherein the coupling rib unit comprises horizontal and vertical coupling ribs arranged to form intersections therebetween with a predetermined angle therebetween. 9. The impact absorption plate as set forth in claim 8, wherein the horizontal and vertical coupling ribs of the coupling rib unit are in a matrix form. 10. A passenger vehicle installed with the impact absorption plate as set forth in claim 1.