发明名称 |
INFORMATION RECORDING DISK PLAYING DEVICE |
摘要 |
PURPOSE:To contrive to miniaturize the entire device by using a small spiral cam member so as to move a support member supporting freely turnably a depressing member. CONSTITUTION:A support member 38 supporting freely turnably a pressing member 52 provided freely movably in a plane nearly perpendicularly to a disk support face of a turntable 37 to press an information recording disk 22 toward a disk support face and a drive means moving the support member 38 are included and the drive means consists of a cam member 53 provided freely turnably around the rotary center shaft nearly perpendicularly to the disk support face, formed around the rotary center shaft and having a spiral cam in slide contact with a part of the support member 38 and a torque provision means giving a torque to the cam member 53. Thus, the miniaturization as the entire device is contrived easily.
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申请公布号 |
JPS63298753(A) |
申请公布日期 |
1988.12.06 |
申请号 |
JP19870180805 |
申请日期 |
1987.07.20 |
申请人 |
PIONEER ELECTRONIC CORP |
发明人 |
YAMASHITA MASAKAZU;KASE MASAO;TANAKA KENJI;OTAKI MASATSUGU;KOIZUMI TOSHIAKI;MATSUURA AKIRA |
分类号 |
G11B17/035;G11B17/04;G11B17/056 |
主分类号 |
G11B17/035 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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