A flying head mechanism includes a flying head, a suspension and an actuator which applies a load force through the suspension. The load force applied by the actuator is adjustable while the head is in operation. The actuator may actively control load force as part of a feedback loop which maintains...http://www.google.fr/patents/US6178157?utm_source=gb-gplus-shareBrevet US6178157 - Flying head with adjustable actuator load
