Patent ID: 7102857

Claim:
A rotary head drum apparatus, comprising: a stator drum; a rotary drum provided with a plurality of magnetic heads and rotating said magnetic heads, said rotary drum being mounted for rotational movement with respect to said stator drum; a rotary transformer including a stator-side rotary transformer provided on said stator drum and a rotating-side rotary transformer fixed to said rotary drum, said stator-side rotary transformer and said rotating-side rotary transformer being adapted to send and receive signals to each other, wherein an adhesive providing gap is disposed between said rotating-side rotary transformer and said rotary drum for receiving an adhesive for bonding said rotating-side rotary transformer to said rotary drum; and an adhesive splashing prevention part provided on said rotating-side rotary transformer and receiving adhesive splashing from said adhesive providing gap, said adhesive splashing prevention part including: a first ring member having an opening in a center thereof and bonded to said rotating-side rotary transformer with a thermosetting resin adhesive; and a second ring member bonded to said first ring member with the thermosetting resin adhesive and having in a center thereof an opening whose diameter is smaller than a diameter of the opening of said first ring member, wherein said adhesive splashing prevention part forms a space receiving adhesive splashing from said adhesive providing part.