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523 条记录 (耗时 0.023 秒)

    Record changer spindle
    11.
    发明授权
    Record changer spindle 失效

    公开(公告)号：US3588121A

    公开(公告)日：1971-06-28

    申请号：US3588121D

    申请日：1969-11-03

    申请人： VM CORP

    发明人： FREIER GERALD H ,  ZANDERS CHARLES E

    IPC分类号： G11B17/16 ,  G11B17/04

    CPC分类号： G11B17/16

    摘要： RECORD-SUPPORTING FINGERS RIDE IN VERTICAL SLOTS IN THE CENTER SPINDLE OF A RECORD CHANGER BETWEEN AN UPPER STORAGE POSITION AND A LOWER PLAYING POSITION ON THE TURNTABLE. THESE SUPPORTING FINGERS ARE PIVOTALLY MOUNTED ON A CARRIAGE WHICH IS SLIDABLY DISPOSED WITHIN THE HOLLOW BORE OF THE CENTER SPINDLE AND IS ACTUATED BY AN ELONGATED FLEXIBLE TAPE HAVING ONE END SECURED TO THE LOWE END OF THE CARRIAGE AND ITS OPPOSITE END COUPLED TO THE FREE END OF A HORIZONTALLY OPERATING ARM. THE FLEXIBLE TAPE IS GUIDED IN A TRACKWAY HAVING VERTICAL AND HORIZONTAL PORTIONS INTERCONNECTED BY A CURVED CHANNEL PORTION AT THE BASE OF THE CENTER SPINDLE, THE FLEXIBLE TAPE MOVING THERETHROUGH FREELY TO POSITIVELY RAISE AND LOWER THE CARRIAGE IN RESPONSE TO HORIZONTAL MOVEMENT OF THE ARM.

    D R A W I N G

    Pile axle
    12.
    发明授权
    Pile axle 失效
    PILE AXLE

    公开(公告)号：US3582083A

    公开(公告)日：1971-06-01

    申请号：US3582083D

    申请日：1969-02-19

    申请人： DUAL GEBRUEDER STEIDINGER

    发明人： LAUFER HELMUT

    IPC分类号： G11B17/16

    CPC分类号： G11B17/16

    摘要： A center spindle for a record-changing phonograph which comprises a sleeve having a plurality of substantially axially directed slots disposed at the periphery of the upper part of the sleeve in two groups of different heights. Furthermore, a primary control means is disposed axially displaceable in the upper part of the sleeve, and a plurality of primary record-supporting means is movably connected with the primary control means and disposed in an upper group of the slots. The sleeve has an inwardly projecting inclined portion in the upper group of the slot and the inclined portion defines an inclined engagement face. The primary record-supporting means cooperates with the inclined face to push radially out of the sleeve the primary record-supporting means during downward movement of the primary control means. First spring means engage the sleeve and the primary control means and urge the latter with pretension into its lower position. A secondary control means is displaced axially displaceable in the sleeve below the primary control means. A plurality of secondary record-supporting means is movably connected with the secondary control means and is disposed in a lower group of the slots at a height below the primary supporting means for about the thickness of a record. The lower edge of the lower group of slots cooperates with the secondary recordsupporting means, to withdraw the latter during downward movement of the secondary control means within the sleeve. Second spring means connect operatively with the sleeve and with the secondary control means and urge the latter with pretension into its lower position, and the primary and the secondary control means are disposed at a distance from each other, so that the lifting of the secondary control means from its lower position causes at first the projection of the secondary supporting means from the periphery of the sleeve, until its remaining path in upward direction the primary control means joins the upward movement.