Device for clamping an optical disc on a turntable (19) includes a turntable which is supported in a chassis (11) and which has a centring member (19B), and a pressure element (15) which is movably supported in a frame (17). The pressure element comprises a holder (37) and a pressure member (39). The...http://www.google.fr/patents/US4799209?utm_source=gb-gplus-shareBrevet US4799209 - Clamping device for clamping an optical disc onto a drive spindle
Clamping device for clamping an optical disc onto a drive spindle
