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 > Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls