CPC Subgroup
B23B 31/10 characterised by the retaining or gripping devices or their immediate operating means
Full Title
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
8 direct subcodes
Child Classifications
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- B23B 31/103 Retention by pivotal elements, e.g. catches, pawls
- B23B 31/107 Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
- B23B 31/11 Retention by threaded connection
- B23B 31/113 Retention by bayonet connection
- B23B 31/117 Retention by friction only, e.g. using springs, resilient sleeves, tapers
- B23B 31/12 Chucks with simultaneously-acting jaws, whether or not also individually adjustable