B23B 31/117 Retention by friction only, e.g. using springs, resilient sleeves, tapers
Introduced: January 1990
Full Title
Full titles differ between systems:
Chucks; Expansion mandrels; Adaptations thereof for remote control > Chucks > characterised by the retaining or gripping devices or their immediate operating means > Retention by friction only, e.g. using springs, resilient sleeves, tapers
Chucks ; Expansion mandrels; Adaptations thereof for remote control (faceplates B23Q1/50; rotary devices holding by magnetic and/or electrical force acting directly on work B23Q3/152) > Chucks > characterised by the retaining or gripping devices or their immediate operating means > Retention by friction only, e.g. using springs, resilient sleeves, tapers
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open