Tape tension mechanism
    1.
    发明授权
    Tape tension mechanism 失效
    胶带张力机构

    公开(公告)号:US5031056A

    公开(公告)日:1991-07-09

    申请号:US267995

    申请日:1988-11-04

    IPC分类号: G11B15/43 G11B15/665

    CPC分类号: G11B15/43 G11B15/6653

    摘要: In a tape player configured to wind a tape pulled out of a cassette onto a rotary head to play the tape, a tension mechanism includes a mode member to control the position of a tension control member according to a selected tape mode so as to establish relative contact between a tension member and a tape under a constant pressure in a play mode and separate them in a stop mode.

    摘要翻译: 在被配置为将从磁带拉出的磁带卷绕到旋转磁头上以便播放磁带的磁带机中,张紧机构包括:模制部件,用于根据所选择的磁带模式控制张力控制部件的位置,以便建立相对的 在播放模式下在恒定压力下在张力构件和带之间接触并在停止模式下分离它们。

    Braking mechanism for use in a magnetic recording apparatus
    2.
    发明授权
    Braking mechanism for use in a magnetic recording apparatus 失效
    用于磁记录装置的制动机构

    公开(公告)号:US4899951A

    公开(公告)日:1990-02-13

    申请号:US262432

    申请日:1988-10-24

    IPC分类号: G11B15/22 G11B15/32

    CPC分类号: G11B15/22 G11B15/32

    摘要: Disclosed is a braking mechanism for use in a magnetic recording apparatus essentially comprising a single cam gear and a brake-releasing member. The cam gear and the brake releasing member are so operatively connected that a stepwise rotation of the cam puts selected brake releasers in different brake releasing positions. Specifically in the first releasing position only the supply reel of the apparatus can rotate freely; in the second releasing position the take-up reel of the apparatus can rotate freely, and the supply reel can rotate against a relatively weak resistance; in the third releasing position the take-up and supply reel brakes can rotate freely together; and in unreleased position the supply and take-up reels cannot rotate.The sequential releasing of selected brakes assures coordination of braking operations appropriate for tape-loading, unloading, quick winding, playing and stopping. Such a simple combination of a cam gear and a brake-releasing member according to present invention permits reduction of the number of required parts and the size of the brake control.

    摘要翻译: 公开了一种用于基本上包括单个凸轮齿轮和制动释放构件的磁记录装置中的制动机构。 凸轮齿轮和制动器释放构件被可操作地连接,使得凸轮的逐步旋转将选择的制动器释放器放置在不同的制动释放位置。 具体地,在第一释放位置,设备的供带盘可以自由旋转; 在第二释放位置,装置的卷取卷轴可以自由旋转,并且供带盘可抵抗较弱的阻力旋转; 在第三次释放位置,卷取和制动卷盘制动器可以自由旋转; 并且在未发布位置,供应和收卷盘不能旋转。 选择的制动器的顺序释放确保了适合于带装载,卸载,快速卷绕,播放和停止的制动操作的协调。 根据本发明的凸轮齿轮和制动释放构件的这种简单组合允许减少所需部件的数量和制动控制的尺寸。

    Brake mechanism of magnetic recording and reproducing apparatus
    3.
    发明授权
    Brake mechanism of magnetic recording and reproducing apparatus 失效
    磁记录和再现装置的制动机构

    公开(公告)号:US5209427A

    公开(公告)日:1993-05-11

    申请号:US683422

    申请日:1991-04-10

    IPC分类号: G11B15/22

    CPC分类号: G11B15/22

    摘要: A brake mechanism including a brake member, an urging force switching member pivotable and movable among a plurality of specified positions, and a single elastic member arranged between the brake member and the urging force switching member. By switching one of the action positions of the urging force switching member to another, a different urging force is applied to the brake member from the single elastic member according to the action positions. A drive and control member separately performs a switch-over between the pressing position and the releasing position of the brake member and a switch-over of one of the action positions of the urging force switching member to another.

    摘要翻译: 一种制动机构,包括制动部件,可在多个指定位置之间枢转和移动的推动力切换部件和布置在所述制动部件和所述推压力切换部件之间的单个弹性部件。 通过将促动力切换部件的动作位置中的一个切换到另一个,根据动作位置,从单个弹性部件向制动部件施加不同的推动力。 驱动和控制构件分别执行制动构件的按压位置和释放位置之间的切换以及将推动力切换构件的作用位置之一切换到另一个。