B23B 31/028
The axial positioning of the tool being adjustable
Official title: {the axial positioning of the tool being adjustable (B23B31/208 takes precedence; with means for adjusting the chuck with respect to the working spindle B23B31/36)}
B23B31/028 (The axial positioning of the tool being adjustable) appears on 76 US grants and 71 published applications in this corpus.
Search patents in B23B- Granted patents
- 76
- Published applications
- 71
- Assignees
- 55
- Inventors
- 125
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 5 | 5 |
| 2007 | 3 | 4 |
| 2008 | 2 | 3 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 4 |
| 2013 | 2 | 5 |
| 2014 | 3 | 3 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 8 | 7 |
| 2018 | 2 | 3 |
| 2019 | 2 | 3 |
| 2020 | 6 | 2 |
| 2021 | 1 | 6 |
| 2022 | 2 | 3 |
| 2023 | 5 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processing tool17 Mar 2026US 12,576,449 B2Sugino Machine Limited
- Rotary tool with axial adjustment mechanism30 Sep 2025US 12,427,584 B2Techtronic Cordless GP
- Handle apparatus for an industrial machine tool6 Aug 2024US 12,053,828 B2JR Automation Technologies, LLC
- Positioning cutter assembly and positioning collet assembly9 Apr 2024US 11,951,551 B2Shin-Yain Industrial Co., Ltd.
- Drill system, an upper drill tool and a lower drill tool for precision forming of openings in a bracket, and methods of use5 Dec 2023US 11,833,592 B2JR Automation Technologies, LLC
- Length-adjustment device for adjusting a longitudinal position of a tool, tool clamping apparatus, and system and method having the length-adjustment device1 Jan 2026US 2026/0001145 A1E. Zoller GmbH & Co. KG Einstell- und Messgeraete
- Compact click mechanism for a cutting tool21 Aug 2025US 2025/0262674 A1Kennametal Inc.
- Tool holder and tool holding device29 May 2025US 2025/0170656 A1Nt Tool Corporation
- Processing tool5 Dec 2024US 2024/0399467 A1Sugino Machine Limited
- Handle apparatus for an industrial machine tool28 Dec 2023US 2023/0415241 A1JR Automation Technologies, LLC
Most cited
By later US patents
- Tool holder system and method of use43US 5,582,494 A1996
- Quick-change chuck35US 4,309,042 AOtto Bilz, Werkzeugfabrik GmbH & Co. · 1982
- Key cutting machine33US 7,077,607 B2Key Line S.R.L. · 2006
- Holder for rotary cutting tools30US 4,642,005 AFuji Seiko Co., Ltd. · 1987
- Tool holder system and method of use30US 4,971,491 A1990