JP2005100603A5

JP2005100603A5 -

Info

Publication number: JP2005100603A5
Application number: JP2004230364A
Authority: JP
Filing date: 2004-08-06
Publication date: 2007-08-02
Anticipated expiration: 2024-08-06

Claims

A tray for storing a disk which is an information recording medium and for placing a cartridge having a positioning hole ;
Placing the disc before Symbol cartridge, a spindle motor for rotating,
An optical head for recording information on the disk or reproducing information recorded on the disk;
A chassis for supporting the tray movably along a first direction substantially parallel to the disk mounted on the spindle motor ;
Rotating around an axis parallel to the second direction perpendicular to the first direction in the vicinity of one end along the first direction, parallel to the disk placed on the spindle motor A traverse base that is supported by the chassis and on which the spindle motor and the optical head are mounted;
A traverse holder coupled to the traverse base;
A positioning pin provided on the traverse holder for positioning the cartridge by engaging with a positioning hole of the cartridge;
An elevating part for moving a part of the traverse holder in a third direction perpendicular to the disk in the cartridge;
A first damping member that has elasticity and damping properties, and that connects the traverse holder and the traverse base in the vicinity of the other end along the first direction of the traverse base;
With
The optical disk apparatus , wherein the traverse holder is substantially parallel to the second direction and is rotatable about an axis different from the rotation axis of the traverse base .

A second damping member that has elasticity and damping properties, and that connects the chassis and the traverse base so that the traverse base can rotate around an axis parallel to the second direction; The optical disc apparatus according to claim 1 .

The optical disk apparatus according to claim 1, wherein the positioning pin is formed integrally with the traverse holder.

The traverse holder has a base portion and an arm portion extending from the base portion toward the one end of the traverse base, and an end portion of the arm portion is supported by the chassis so as to be movable in the first direction. The optical disc apparatus according to claim 3 .

The optical disc apparatus according to claim 4 , wherein the traverse holder has a support pin provided at the base, and the elevating part elevates and lowers the support part of the traverse holder.

The elevating unit includes an elevating slide rack that is movable in a direction perpendicular to the first direction and provided with a cam groove that engages with the support pin. 6. The optical disc device according to claim 5 , wherein the support pin relatively moves in a cam groove, and the traverse holder moves in the third direction.

The traverse holder has a support surface, the elevating slide rack has a support ridge, and when the traverse holder is raised and the positioning pin is inserted into the positioning hole, the support ridge of the elevating slide rack is The optical disc apparatus according to claim 6 , wherein the elevating unit supports the traverse holder by abutting against a support surface of the traverse holder.

The optical disc according to claim 7 , wherein the traverse holder has a restriction pin provided in the vicinity of an attachment position of the first vibration damping member, and the chassis has a guide portion for restricting a moving direction of the restriction pin. apparatus.

The guide portion in the course of up to at least the positioning pins from entering the positioning hole, an optical disk apparatus according to claim 8 for controlling the movement of the first direction of the restriction pin.

The optical disk apparatus according to claim 9 , wherein the chassis has a wall at an upper portion of the guide portion that restricts the restriction pin from moving to the side approaching the tray .

The pressing portion for biasing the cartridge toward the tray is further provided, and the pressing portion biases the cartridge after the positioning pin is inserted into the positioning hole of the cartridge by the movement of the traverse holder. To 10. The optical disc device according to any one of 1 to 10 .

The cartridge has a state detection hole for indicating information of the disc,
The traverse holder, an optical disk apparatus according to any one of claims 1 to 11 comprising a state detection switch provided at a position opposite to the state detection hole in the cartridge.