Patent ID: 8616622

Claim:
A bumper assembly for a vehicle hood, comprising: a retainer adapted to be attached to a vehicle frame, said retainer comprising a first thread; a bumper comprising a bumper surface adapted to contact a bottom surface of a vehicle hood to thereby support the vehicle hood at a predetermined height, said bumper comprising a second thread; wherein said first thread and said second thread are threadably engaged with each other, relative motion between said first and second threads thereby adjusting said predetermined height of said vehicle hood, at least one of said first and second threads being made from a plastic polymer; and wherein a percentage of thread engagement between said first and second threads is between about 30% and about 50%, said first and second threads thereby being adapted to skip past each other without substantially deforming said first and second threads when an impact load is applied to said vehicle hood, said bumper surface thereby moving toward said vehicle frame to permit said vehicle hood to move below said predetermined height.