To Move Radially Patents (Class 408/147)
- With resiliently urged tool (Class 408/154)
- Including oppositely moving, diverging tools (Class 408/157)
- Axially slidable moving-means (Class 408/158)
- Rotary cam (Class 408/173)
- Wedge moving perpendicular to tool-axis (Class 408/179)
- Pivotable tool-support (Class 408/180)
- Screw extending perpendicular to tool-axis (Class 408/181)