Frictional And Positive Patents (Class 192/53.1)
- Self-energizing (Class 192/53.31)
- Interposed friction members (Class 192/53.32)
- Member extending axially between friction surfaces (Class 192/53.33)
- Outward tooth or lug on friction member (Class 192/53.34)
- Inward tooth or lug on friction member (Class 192/53.35)
- Radially movable blocker (Class 192/53.36)