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    • 57. 发明申请
    • Device and method for variable torque fastening
    • 用于可变扭矩紧固的装置和方法
    • US20080283262A1
    • 2008-11-20
    • US12149171
    • 2008-04-28
    • Jin Ho KimWan Su HanGwang Hyun Back
    • Jin Ho KimWan Su HanGwang Hyun Back
    • B23Q5/00
    • B25B21/00B25B23/141B25B23/145
    • A device and method for variable torque fastening are capable of easily varying a tightening torque and are capable of automatically changing a tightening torque according to the sequence set by an operator. The variable torque fastening device includes a fastening unit having a drive shaft which is rotated by a motor, a driven shaft which is rotated by the drive shaft and is mounted with a fastening tool, a slip clutch which intermittently connects the drive shaft to the driven shaft, and a piston which moves forward and backward by an air pressure to press the slip clutch, a compressed air supply source which supplies compressed air to the fastening unit to press the piston, and an air pressure control unit which controls a pressure of the air that presses the piston.
    • 用于可变扭矩紧固的装置和方法能够容易地改变紧固扭矩,并且能够根据操作者设置的顺序自动改变紧固扭矩。 可变扭矩紧固装置包括具有由电动机旋转的驱动轴的紧固单元,被驱动轴旋转并由紧固工具安装的从动轴,将驱动轴间歇地连接到被驱动的滑动离合器 轴和通过空气压力向前和向后移动以推压滑动离合器的活塞,向紧固单元提供压缩空气以压缩活塞的压缩空气供应源,以及控制压力的气压控制单元 按压活塞的空气。
    • 60. 发明申请
    • Door opening device and refrigerator having the same
    • 开门装置和冰箱具有相同的功能
    • US20080083243A1
    • 2008-04-10
    • US11882584
    • 2007-08-02
    • Dong Hyun LeeJin Ho KimJae Koog AnYoung Seok Cho
    • Dong Hyun LeeJin Ho KimJae Koog AnYoung Seok Cho
    • F25D11/00E05F1/00
    • F25D23/028E05F15/63E05Y2201/426E05Y2201/434E05Y2900/31F25D2400/06
    • A door opening device decreasing operational stages of a driving motor when opening a door and a refrigerator having the door opening device are disclosed. The door opening device selectively opens a first door and a second door and includes an operating member which selectively pressurizes the first door and the second door to be opened by rotation, a rotating cam including a plurality of protruding portions which contact the operating member to rotate the operating member and a plurality of depressed portions which are spaced apart from the operating member, the protruding portions and the depressed portions being formed alternately along a rotational direction of the rotating cam, a driving motor rotating the rotating cam in a forward direction and a reverse direction, and a return part returning the operating member to an initial position after at least one of the first door and the second door is opened.
    • 公开了一种在打开门时降低驱动电机的操作阶段的开门装置和具有门打开装置的冰箱。 门打开装置选择性地打开第一门和第二门,并且包括操作构件,其选择性地对通过旋转而打开的第一门和第二门加压;旋转凸轮,包括接触操作构件以旋转的多个突出部分 所述操作构件和与所述操作构件间隔开的多个凹部,所述突出部和所述凹部沿着所述旋转凸轮的旋转方向交替地形成,驱动马达使所述旋转凸轮向前方旋转, 在第一门和第二门中的至少一个被打开之后,将操作构件返回到初始位置的返回部分。