TODAY’S PATENT -ACTIVATOR
In today’s patent, we will discuss Walter Vornberger (Tewksbury, MA), Karl F. Vornberger (Amherst, NH)’s invention, “Activator” (US4660242A), which was patented by the USPTO on April 28, 1987
This invention relates to activators which was generally used for shaping of the heel portions of a shoe or other footwear. The activator includes a mold in order to receive the upper; the mold has a back portion contoured to the desired shape of the heel portion of the upper. The following invention further includes a pad having a bight region and legs extending from the bight region, which pad has an inner contour that approximately matches the outer contour of the back and adjacent portions of the mold and both can be replaced to fit requirements. There is a longitudinal drawing force while moving the upper in the nested location. The major objective of the aforesaid invention is to provide the activator an easy installation procedure and also have an accurate formation of the heel portion of the upper.