History of Formsprag Clutch Sprag Clutch, Overrunning
In a plan to develop overrunning sprag clutches for commercial markets in a postwar economy, the Gear Grinding Machine Company established a subsidiary company called Formgrind in 1943. Efforts at developing sprag clutch technology for peacetime applications progressed and a subsidiary company was incorporated as a separate corporation under the laws of the State of Michigan in 1946 and thus