Longitudinally-split sleeves, e.g. collet chucks

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 > Longitudinally-split sleeves, e.g. collet chucks

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 > Chucks with simultaneously-acting jaws, whether or not also individually adjustable > Longitudinally-split sleeves, e.g. collet chucks