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US 2008/0127239 A1Published application
Thread motor and playback device
AssigneeSony Corporation
InventorsMikinori Matsuda, Kazuhito Kurita
Life of this patent
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Abstract
A thread motor is disclosed. The thread motor includes: a cylindrical rotor; a ring-shaped gear provided at an outer peripheral surface of the cylindrical rotor; and a flange portion provided at the outer peripheral surface of the cylindrical rotor, opposed to the gear with a predetermined clearance.
Claims12
A thread motor, comprising:
- a cylindrical rotor;
- a ring-shaped gear provided at an outer peripheral surface of the cylindrical rotor;
- and
- a flange portion provided at the outer peripheral surface of the cylindrical rotor, opposed to the gear with a predetermined clearance.
1 more element
A playback device, comprising:
- a chassis;
- a thread motor provided at the chassis;
- a transmission gear group transmitting power of the thread motor to a playback portion;
- and
- a motor falling prevention portion provided at the chassis and preventing the thread motor from falling away from the chassis, and
- wherein the thread motor includes a first gear and a flange portion at an outer peripheral surface of a cylindrical rotor, and the first gear and the flange portion are arranged so as to be opposed to each other with a predetermined clearance, and
- wherein the motor falling prevention portion prevents the falling of the thread motor by a tip portion thereof touching the flange portion when the thread motor moves in a falling direction away from the chassis.
4 more elements
Dependencies are inferred from the claim text.