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    • 7. 发明授权
    • Tower system unit with angled drive bay
    • 塔系统单元带角度驱动器托架
    • US5236259A
    • 1993-08-17
    • US796037
    • 1991-11-19
    • Dean RyanCharles R. LewisGeorge R. DanielsDonald E. Moore
    • Dean RyanCharles R. LewisGeorge R. DanielsDonald E. Moore
    • G06F1/18
    • G06F1/181
    • A tower unit for a personal computer wherein the tower unit is a generally rectangular box having a generally rectangular interior chassis. The interior chassis includes a first set of interiorly extending mounting flanges and tabs which are positioned and aligned on opposing chassis walls to mount one or more drives at an upwardly facing angle in order to allow the user visual and manual access to the drives for ease of operation. A similar combination of interiorly directed tabs and flanges are formed in the opposing side walls of the frame near the bottom of the tower unit chassis in order to mount a plurality of hard disk drives in horizontal positions. The frame includes a front frame panel which combines with the front bezel to provide a gripping area which cooperates with another gripping area formed in the rear bezel to allow the tower unit to be easily moved about.
    • 一种用于个人计算机的塔架单元,其中塔单元是具有大致矩形的内部底盘的大致矩形的箱体。 内部底盘包括第一组内部延伸的安装凸缘和突片,其定位并对准在相对的底盘壁上以将一个或多个驱动器以向上的角度安装,以便允许用户可视地和手动地接近驱动器,以便于 操作。 内部定向翼片和凸缘的类似组合形成在塔架单元机架底部附近的框架的相对侧壁中,以将多个硬盘驱动器安装在水平位置。 该框架包括前框架板,其与前挡板组合以提供与形成在后挡板中的另一夹紧区域配合的抓握区域,以允许塔架单元容易地移动。
    • 9. 发明授权
    • Anti-two block system
    • 防二块系统
    • US4523686A
    • 1985-06-18
    • US647851
    • 1984-08-31
    • Donald E. MooreDavid W. Olsen
    • Donald E. MooreDavid W. Olsen
    • B66C13/50B66C23/90B66D1/44B66C13/48
    • B66C13/50B66C23/905B66D1/44
    • An improved anti-two block system having a boom hoist drum driven by a first hydraulic motor with a first variable displacement motor controlled by a first ram moveable in a given direction to supply fluid pressure for driving the boom drum to lower a boom and a hook block drum driven by a second hydraulic motor with a second variable displacement pump controlled by second ram moveable in a given direction to supply fluid pressure for driving the hook drum to raise a hook block. A differential mechanism sums the movement of the hook block and boom and activates a switch to energize solenoid valve means, when the hook block is a predetermined distance from the boom, to preclude movement of said rams in the given directions.
    • 一种改进的防二块系统,其具有由第一液压马达驱动的起重吊杆卷筒,第一液压马达具有第一可变排量马达,该第一可变排量马达由可沿给定方向运动的第一柱塞运动,以提供用于驱动吊臂鼓以降低吊臂和吊钩的流体压力 由第二液压马达驱动的块式滚筒,具有由沿第二可移动泵控制的第二可变排量泵,所述第二可变排量泵可在给定方向上运动,以提供用于驱动吊钩滚筒以提升吊钩块的流体压力。 差速机构对钩块和起重臂的运动进行了总结,并且当钩块距离起重臂是预定距离时,启动开关以激励电磁阀装置,以阻止所述柱塞沿给定方向运动。