发明名称 DEVICE FOR RETAINING BY SUCTION A RECORD ON THE TURNTABLE OF A R ECORD-PLAYER
摘要 The device is provided with a suction pump communicating with the bottom of the record (22) through an aspiration conduit provided with a one way valve (36). The device is also provided with a sealing gasket (20) adhearing under the outer edge of the record (22). A support (14) for the record is also provided, having about the same diameter as the record (22) and showing a hole in its center for accomodating tightly the turntable axis (12), the outer edge of the support showing the sealing gasket (20). The device is also provided with a suction bell (24) provided with a sealing gasket (30) mounted on the internal edge of the record, having on its bottom (26) near the record a central hole (28) for the turntable axis (12) and at least a suction opening (32). A connexion (34) provided with a one way valve (36) for the suction conduit is also mounted on the bell, the connexion communicating with the gap between the record (22) and the support (14) of the record.
申请公布号 WO8203291(A1) 申请公布日期 1982.09.30
申请号 WO1982EP00055 申请日期 1982.03.17
申请人 SCHAEFER NORBERT 发明人 SCHAEFER NORBERT
分类号 G11B25/04;G11B17/028;(IPC1-7):11B3/62;11B17/02 主分类号 G11B25/04
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