JPS6040580A - Carriage for optical recording disk - Google Patents

Abstract

PURPOSE:To prevent the injury on the recording surface of a recording disk by providing a rotary member which gives a press-contact to the recording disk to a turntable which holds the recording disk to transmit the driving power to said disk when it is revolved. CONSTITUTION:An optical recording disk 2 is fitted to a shaft part 8 of a guide disk provided to a guide disk 7 which is positioned to an upper rib part 9 within an outer case 1 and fitted to an upper hole 10 before the disk 2 is loaded to a reproducing/recording device. Then the disk 2 is pressed to a lower rib part 3 by means of a compression spring 6 and a disk press 5. The centering of the disk 2 is performed by a guide hole 16 and a conical part of the press 5. Under such conditions, the disk 2 is held stably and no gap is produced between a hole 4 for turntable and the hole 10. This prevents the soil given from outside. Furthermore the disk 2 is stable since it is pressed by the part 3.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a carriage containing a compact disc, and more particularly to a carriage for an optical recording disc that has a preventive effect suitable for preventing scratches on the disc surface.

[Background of the invention]

Conventional optical recording discs are either removed manually from a protective case and inserted into a playback/recording device, such as a compact disc case, or automatically inserted into a machine along with the protective case. There are devices that play or record data after the disk is pulled out, and in both cases there is a problem of scratching the recording surface because the disk is pulled out from the protective case.

[Purpose of the invention]

An object of the present invention is to provide a carriage for an optical recording disk that solves this problem.

[Summary of the invention]

For this reason, the present invention provides the necessary pressing force to protect the optical recording disk from scratches from kneading and to obtain good driving force for the main unit and at the same time for the tongue table for driving the disk. It also has a function to secure the optical recording disk within the gear ridge during transportation, thereby providing the full effect of preventing damage.

[Embodiments of the invention]

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

As shown in FIG. 1, before being installed in the reproducing/recording apparatus, the optical recording disc 2 is positioned in the upper lip part 9 in the outer case 1, and the guide disc 7 is fitted into the upper hole 10. It is composed of a disc retainer 5 that is positioned by fitting into a guide disc shaft part 8 provided in the disc, and presses the optical recording disc 2 against the lower rib part 6 by a compression spring B. 2 is centered by the optical recording disc guide hole 16 and the disc retainer 50 conical part.

In this state, the nail disk 2 described in Section C7 is held stably and no gap is formed in the turntable hole 4 and the upper hole 10, thereby preventing dirt from outside, and the optical recording disk 2 is held at the lower rib portion 3. It is pressed down stably and prevents scratches on the recording section.

Next, when the recording and reproducing apparatus is installed, as shown in FIG. The hole 14 and the turntable shaft 13 are fitted and centered, and the guide disk 7 is separated from the upper rib portion 9 by the holding guide 11. In this state, the optical recording disk 2 rises from the lower rib portion 3 and becomes hollow, and is rotated by the rotational force of the turntable 120.

At this time, the compression spring B obtains the necessary and sufficient pressing force to follow the rotation of the turntable.

〔Effect of the invention〕

As mentioned above, it prevents damage to the optical recording disk before it is installed in the main body of the device, performs a reliable fixing function within the carriage, and when it is installed, obtains good driving force and stabilizes the optical recording disk. This provides a reliable carriage that can be held without any fear of damage.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing the state of the optical recording disc carriage of the present invention before it is installed in a recording/reproducing apparatus, and FIG. 2 is a sectional view showing the state when it is installed. 1...Exterior case 2...Optical recording disk 3...Lower rib part 4...Tongue table hole 5...Disc holder
6... Compression spring 7... Guide disk 8... Guide disk shaft portion 9... Upper rib portion 10... Upper hole 11... Holding down guide 12... Tongue table 13...・Tongue table shaft, 6. 14...Guide disk guide hole 16...Optical recording disk guide hole Attorney Patent Attorney Akio Takahashi

Claims (1)

[Claims] Due to the structure of the optical recording disk and the carriage that houses it,
A carriage for an optical recording archeological disk, characterized by comprising a rotating member that presses the recording disk against a turntable on which the recording disk is placed and transmits driving force when the recording disk is rotationally driven.