Modular drill with enhanced bump-off capability
US11883888B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2021 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Dec 4, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B2270/09
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A rotary cutting tool with enhanced bump-off capability is disclosed. The cutting tool includes a tool shank having a pocket. A replaceable cutting head is at least partially disposed within the pocket of the tool shank with an interference fit. A coupling pin assembly is at least partially received within a bore of the tool shank. The coupling pin assembly comprises a sleeve member and a coupling pin at least partially disposed within the sleeve member. The sleeve member includes an upper portion and a lower portion having a non-circular cross-sectional shape with a bump-off surface. An actuation screw contacts the coupling pin assembly and causes the replaceable cutting head to move relative to the tool shank. The bump-off surface of the lower portion of the sleeve member extends radially outward with respect to the coupling pin by a distance, D, thereby providing enhanced bump-off capability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.