Tool retainer
US7380889B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 7, 2004 |
| Grant date | Jun 3, 2008 |
| Priority date | — |
| Expiry date | Sep 9, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/197
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A retainer system for a cutting tool that has an elongated shank. In one embodiment, the retainer system includes a tool holder block that has a sleeve-receiving hole therethrough for receiving a sleeve therein. The sleeve may have a shank-receiving hole and at least one undercut portion therein. The retainer may define a shank-receiving opening and have retainer portions that correspond to each of the undercut portions in the sleeve for selective retaining engagement therewith. The first and second retainer portions retainingly engage a portion of the elongated shank of the cutting tool when inserted into the shank-receiving opening therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.