US Patent 10492569 Sole measuring device

A sole measuring device includes a slow recovery memory unit configured to receive a foot sole and to create a foot print, an alignment unit connected to the slow recovery memory unit used for indicating an alignment position of the foot, and a scale unit connected to the slow recovery memory unit used for providing a scale mark. The present invention is able to measure not only foot length but also foot width precisely, as well as foot arch can be inferred properly.