Holding attachment for denture abutment
US11633266B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 18, 2020 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Mar 3, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23Q3/062
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A holding attachment includes a holding portion with a round or substantially round columnar hole shape in which a held portion of a material before cutting is inserted and a mounting portion that is mounted on a work mount of a cutting machine. The mounting portion includes at least one pin that is inserted to at least one pin insertion hole provided in the work mount and at least one engagement portion that is engaged with at least one rotation stopper provided in the work mount. A position reference portion of the material before cutting is recessed from a round or substantially round columnar outer peripheral surface of the held portion. The holding portion includes a fitting portion fit to the position reference portion of the material before cutting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.