The New York Times

HOW FRICTION DRIVE WAS DEVELOPED; Gear and Clutch Troubles Turned Inventors Toward Simpler Transmission. HAS MANY ADVANTAGES Exceptional Flexibility Gives Easy Control of a Car ...

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PZ Cussons files patent for a friction clutch assembly for a railroad freight car draft gear

PZ Cussons has filed a patent for a railroad freight car draft gear that includes a friction clutch assembly with friction members and an actuator. The gear also has a spring assembly for absorbing ...