Bevel Gear Differential Patents (Class 475/230)
- Centrifugal actuator (Class 475/232)
- Lock-up clutch between pinion and pinion carrier (Class 475/233)
- By axial movement of output gear (Class 475/234)
- Particular gear shape or tooth interaction limits overspeed (Class 475/236)
- Manual actuator (Class 475/237)
- Spring bias on overspeed limiting means (Class 475/240)