CPC Subgroup
B23B 29/12 Special arrangements on tool holders
Full Title
Holders for non-rotary cutting tools (B23B27/12 takes precedence); Boring bars or boring heads; Accessories for tool holders > Tool holders for a single cutting tool > Special arrangements on tool holders
6 direct subcodes
Child Classifications
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- B23B 29/14 affording a yielding support of the cutting tool, e.g. by spring clamping
- B23B 29/16 for supporting the workpiece in a backrest
- B23B 29/18 for retracting the cutting tool
- B23B 29/20 for placing same by shanks in sleeves of a turret
- B23B 29/22 for tool adjustment by means of shims or spacers
Top Applicants
Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT
- ITW (ILLINOIS TOOL WORKS) US 3,642
- DISCO CORPORATION JP 3,316
- FANUC JP 3,111
- ROBERT BOSCH DE 2,711
- FANUC 2,163
- GE (GENERAL ELECTRIC COMPANY) US 2,113
- ISCAR IL 1,516
- SIEMENS DE 1,459
- LINCOLN GLOBAL US 1,433
- KOBE STEEL JP 1,423