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    • 1. 发明授权
    • Computer system with a tilt adjustment mechanism
    • 具有倾斜调节机构的计算机系统
    • US5771152A
    • 1998-06-23
    • US597654
    • 1996-02-07
    • Dennis CromptonRichard Hunter HarrisHerbert Gene LeonardGeorge Hufford, IIIJeff David Thomas
    • Dennis CromptonRichard Hunter HarrisHerbert Gene LeonardGeorge Hufford, IIIJeff David Thomas
    • E05D11/08G06F1/16H05K5/03
    • G06F1/1632G06F1/1601G06F1/1616G06F1/1643G06F1/1681E05D11/08E05D11/084E05Y2201/49E05Y2900/606G06F2200/1612Y10S248/923Y10T16/5403Y10T16/54038Y10T16/54056Y10T16/541
    • A tilt adjustment mechanism having an upper housing, a lower housing and a shaft assembly is disclosed. The shaft assembly receives the gears which are pressed on either end of shaft. The shaft fits through locating slots in the lower housing. Each of the gears are activated by internal gears located on each side of the upper housing. The internal gears are integrally formed with the upper housing. The upper housing is hinged on the lower housing and can rotate 20 degrees. The shaft assembly mechanism provides a torsion bar function to insure that the upper housing moves evenly with respect to the lower housing. Even motion in the upwards and downwards directions of the housing is provided by even rotational torsional motion and opposite rotational torsional motion of the shaft assembly of the tilt adjustment mechanism. The shaft assembly mechanism decouples the frictional load in the two different rotational directions about its shaft. This permits the adjustment of the forces to optimal levels in both directions. A relatively high force is desired to move the upper housing in a downward direction. This prevents the operator's touches on a display tablet, mounted to the upper housing to cause the tilt adjustment mechanism to move in the downward direction. A relatively low force is required to move the tilt adjustment mechanism in the upwards direction.
    • 公开了一种具有上壳体,下壳体和轴组件的倾斜调节机构。 轴组件接收按压在轴的任一端的齿轮。 轴穿过下壳体中的定位槽。 每个齿轮由位于上壳体每侧的内齿轮启动。 内齿轮与上壳体整体形成。 上壳体铰接在下壳体上,可旋转20度。 轴组件机构提供扭杆功能,以确保上壳体相对于下壳体均匀地移动。 通过旋转扭转运动和倾斜调节机构的轴组件的相反的旋转扭转运动来提供壳体的向上和向下方向上的均匀运动。 轴组件机构将两个不同的旋转方向上的摩擦负载绕其轴分离。 这允许将力调节到两个方向上的最佳水平。 需要相对较大的力以向上移动上壳体。 这防止操作者对安装到上壳体上的显示平板电脑的触摸,使倾斜调节机构向下移动。 需要相对较小的力以向上移动倾斜调节机构。
    • 5. 发明授权
    • Double acting roller/ball clutch gear
    • 双作用滚子/球形离合器齿轮
    • US6070706A
    • 2000-06-06
    • US243591
    • 1999-02-03
    • James Gabriel BrewingtonRichard Hunter HarrisJeff David Thomas
    • James Gabriel BrewingtonRichard Hunter HarrisJeff David Thomas
    • F16D41/08F16D11/02F16D27/01
    • F16D41/088
    • A gear mechanism containing a clutch assembly made of an outer member and an inner member wherein the rotation of the inner member is less than one revolution. The inner member has a chord surface, and when inserted in the outer member a wedge shaped space is created. Rolling elements are mounted in the wedge shaped space such that when there is rotation of one of the members, the rolling elements are driven into one of the corners of the wedge shaped space causing the inner member to rotate with the outer member. A protrusion at a fixed location is used to dislodge the rollers. With the rollers dislodged, the inner member ceases rotation. Four embodiments are disclosed. In the first embodiment, two magnetic rollers are used to provide an engagement mechanism between the rollers and the corner of the wedge shape. The second embodiment discloses a single magnetized roller. The third embodiment discloses a spring separator positioned perpendicular to the chord to position two non-magnetic rollers. The fourth embodiment uses a spring separator position parallel to the chord to position two non-magnetic rollers. In applications where, in one direction, a rotation of less than one revolution is acceptable, the use of a fixed protrusion to dislodge the rollers allows the full torque of the driving member to drive the mechanism in either rotational direction.
    • 一种包含由外部构件和内部构件制成的离合器组件的齿轮机构,其中内部构件的旋转小于一圈。 内部构件具有弦面,并且当插入到外部构件中时,形成楔形空间。 滚动元件安装在楔形空间中,使得当其中一个构件旋转时,滚动元件被驱动到楔形空间的角部之一中,使得内部构件与外部构件一起旋转。 使用固定位置的突起来移动辊子。 随着滚轮的移动,内部构件停止旋转。 披露了四个实施例。 在第一实施例中,使用两个磁辊来在辊和楔形的拐角之间提供接合机构。 第二实施例公开了单个磁化辊。 第三实施例公开了一种垂直于弦线定位两个非磁性辊的弹簧分离器。 第四实施例使用平行于弦的弹簧分离器位置来定位两个非磁性辊。 在一个方向上旋转小于一圈的可接受的应用中,使用固定突起来移动滚子允许驱动构件的全部扭矩在任一旋转方向上驱动机构。
    • 8. 发明授权
    • Paper cutter using a blade lifting mechanism
    • 使用刀片提升机构的切纸机
    • US06408727B1
    • 2002-06-25
    • US09481353
    • 2000-01-12
    • Richard Hunter HarrisJeff David ThomasKevin Hunter Vorhees
    • Richard Hunter HarrisJeff David ThomasKevin Hunter Vorhees
    • B26D508
    • B41J11/70B41J23/025Y10S83/949Y10T83/8748Y10T83/8752Y10T83/8779
    • A printer mechanism includes a single motor turning a system drive gear in a paper feeding direction, and in a cam driving direction, opposite the paper feeding direction. When the system drive gear is turned in the paper feeding direction, a paper feeding spring clutch drives a paper feed roll with the system drive gear. When the system drive gear is turned in the cam driving direction, a drive cam is driven by a cam driving spring clutch. The drive cam has a first surface driving a moving knife blade across a stationary knife blade in a cutting direction, and in a return direction opposite the cutting direction. With this movement in the cutting direction, the moving knife is held against the stationary knife blade, and, with movement in the return direction, the moving knife is moved away from the stationary knife blade, by means of a second surface of the drive cam. Provision is made to allow the cam driving clutch and cam to return to an original configuration after an event in which knowledge is lost of the operating mode and position of the mechanism.
    • 打印机构包括:单个马达,使纸张馈送方向上的系统驱动齿轮和与进纸方向相反的凸轮驱动方向转动。 当系统驱动齿轮沿送纸方向转动时,送纸弹簧离合器通过系统驱动齿轮驱动给纸辊。 当系统驱动齿轮沿凸轮驱动方向转动时,驱动凸轮由凸轮驱动弹簧离合器驱动。 驱动凸轮具有第一表面,该第一表面在切割方向上沿着与切割方向相反的返回方向在固定刀片上驱动移动的刀片。 通过这种在切割方向上的移动,移动的刀被保持在固定的刀片上,并且随着在返回方向上的移动,移动的刀通过驱动凸轮的第二表面移动离开固定刀片 。 规定了允许凸轮驱动离合器和凸轮在知识丢失了机构的操作模式和位置​​的事件之后返回到原始配置。
    • 9. 发明授权
    • Thermal printer using a split rotary platen to print on different widths of paper
    • 热敏打印机使用分离旋转台板在不同宽度的纸张上打印
    • US06398360B1
    • 2002-06-04
    • US09478245
    • 2000-01-04
    • James Gabriel BrewingtonRichard Hunter HarrisJeff David Thomas
    • James Gabriel BrewingtonRichard Hunter HarrisJeff David Thomas
    • B41J201
    • B41J11/0025B41J11/04
    • A thermal printing station includes a split rotary platen, which is driven in rotation to move a paper web across a thermal print head held against the split rotary platen. The split rotary platen includes a motor-driven shaft, a main platen roll driven by the shaft, and a platen roll extension, which is slidable along the shaft between a first position, in which the platen roll extension is engaged with to turn with the main platen roll, and a second position, in which the platen roll extension is disengaged from the main platen roll, being allowed to remain stationary due to friction forces arising from contact with the thermal print head. The first position is used for printing on a wide paper web, while the second position is used for printing on a narrow paper web, which extends only along the main platen roll. A clip is attached to the shaft to hold the platen roll extension in the first or second position.
    • 热敏印刷站包括分离旋转压板,其被旋转驱动以将纸幅移动通过保持在分离旋转压板上的热打印头。 分离旋转台板包括电机驱动轴,由轴驱动的主压板辊和压板辊延伸部,该压板辊延伸部可沿着轴在第一位置和第二位置之间滑动,第一位置与压辊延伸部接合, 主压辊和第二位置,其中压纸辊延伸部与主压辊卷脱离,由于与热打印头的接触产生的摩擦力而被允许保持静止。 第一位置用于在宽的纸幅上打印,而第二位置用于在仅沿着主压纸辊延伸的窄纸幅上进行打印。 将夹子附接到轴以将压板卷延伸部保持在第一或第二位置。