Insert rotary cutter
US4699549A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1986 |
| Grant date | Oct 13, 1987 |
| Priority date | — |
| Expiry date | Jun 5, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/906
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An insert rotary cutter for processing a metal workpiece includes a cutter body having an axis of rotation therethrough. The cutter includes at least one cutter insert releasably mounted on an outer periphery of the body. The insert is of a generally polygonal shape having a curved front face. The front face has a pair of opposed marginal ridges serving as respective main cutting edges. The front face has marginal portions disposed adjacent and extending along the main cutting edges, and the marginal portions serve as respective rake surfaces for the main cutting edges. Each of the rake surface is convexly curved as viewed from a respective one of the main cutting edges and is concavely curved as viewed along a respective one of the main cutting edges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.