by using effects of gravity or inertia, e.g. counterweight (G11B3/28 takes precedence)

Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor > Arrangements of heads > Arranging, supporting, or driving of heads or of transducers relatively to record carriers > Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse > by using effects of gravity or inertia, e.g. counterweight

Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B11/00, take precedence) > Arrangements of heads > Arranging, supporting, or driving of heads or of transducers relatively to record carriers > Supporting in balanced, counterbalanced or loaded operative position , e.g. loading in direction of traverse > by using effects of gravity or inertia, e.g. counterweight (G11B3/28 takes precedence)