Roughing machine having rockable shoe assembly support

摘要

A roughing machine operable to rough the margin of an upper of a shoe assembly that comprises a last having an insole located on its bottom and the upper mounted thereon with the upper margin lying against and being secured to the bottom of the insole. The shoe assembly is supported bottom-up on a shoe assembly support and the shoe assembly support is so moved as to move succeeding portions of the upper margin past a roughing tool. During this movement of the shoe assembly support, the shoe assembly support is caused to rock to thereby rock the shoe assembly.