moving radially

Introduced: September 1968

Last revised: January 2006

Full Title

Chucks; Expansion mandrels; Adaptations thereof for remote control > Chucks > characterised by the retaining or gripping devices or their immediate operating means > Chucks with simultaneously-acting jaws, whether or not also individually adjustable > moving radially

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Subclass:: TURNING; BORING

8 direct subcodes

Child Classifications

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B23B 31/163 actuated by one or more spiral grooves
B23B 31/165 actuated by screw-and-nut mechanisms
B23B 31/167 actuated by oblique racks
B23B 31/169 actuated by toothed gearing
B23B 31/171 actuated by a cam surface in a radial plane
B23B 31/173 actuated by coaxial conical surfaces
B23B 31/175 actuated by levers moved by a coaxial control rod
B23B 31/177 actuated by the oblique surfaces of a coaxial control rod

Top Applicants

Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT

ITW (ILLINOIS TOOL WORKS) US 3,407
FANUC JP 3,120
DISCO ABRASIVE SYSTEM 2,777
HAN'S LASER TECHNOLOGY INDUSTRY GROUP COMPANY 2,629
ROBERT BOSCH DE 2,468
FANUC 2,273
DISCO CORPORATION JP 2,267
GE (GENERAL ELECTRIC COMPANY) US 1,611
CHINESE ACADEMY OF SCIENCES 1,534
ISCAR IL 1,499