| 摘要 |
PURPOSE:To reproduce sound recording information with fidelity by sucking a record to a turntable and fixing a supporting member which supports a cartridge at a specific position. CONSTITUTION:The turntable 1 consists of a rotating disk 1a and a suction disk 1b. At the center part of the rotating disk 1a, a rotating spindle 2 is provided in a drooped state. Further, a seal groove 1c is formed at an about half-radius position on the top surface of the rotating disk 1a and in this seal groove 1c, a seal ring 1d is fitted while normally projecting from the top surface of the rotating disk 1a. The rotating disk 1a is supported rotatably while the rotating spindle is fitted in a bearing 3 fitted to a record player case. An air suction pipe 4 is provided at the center parts of the rotating shaft 2 and bearing 3. |
