Tool chuck
US3949998A · kind A · utility
10Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1973 |
| Grant date | Apr 13, 1976 |
| Priority date | — |
| Expiry date | May 2, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/3493
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tool chuck for drills and the like including a body having gripping jaws slideably supported in tapered ways formed in the body. A split nut rotatably supported on the body threadedly engages the jaws and is operable to engage and release the jaws from a bit. The nut and body are interfitted to rotatably support and axially retain the nut on the body. A cup is fitted on the nut to hold it together and on the body and, together with the interfitted body and nut, protects the internal chuck parts from dirt and other foreign material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.