Reamer with front gash design
US12420346B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2022 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Oct 13, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23D2277/30
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A reamer includes a shank portion extending from a rear end and a cutting portion extending from the shank portion to a front end. The cutting portion includes a plurality of cutting teeth separated by gashes. Each cutting tooth having a cutting edge extending in a longitudinal direction from the front end to proximate the shank portion. The cutting portion includes a margin trailing each cutting edge and extends along each cutting edge to proximate the shank portion. Each cutting tooth also has a primary relief formed between the cutting edge and the front end and a secondary relief extending longitudinally between the margin of one cutting tooth to the cutting edge of an adjacent cutting tooth. A width, W, of each cutting tooth increases in a radially outward direction with respect to the central, longitudinal axis when viewed from the front end of the reamer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.