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217 条记录 (耗时 0.029 秒)

    Revolver speed loader
    41.
    发明授权
    Revolver speed loader 失效
    左轮手枪装载机

    公开(公告)号：US4065868A

    公开(公告)日：1978-01-03

    申请号：US739087

    申请日：1976-11-05

    申请人： David A. Johnson

    发明人： David A. Johnson

    IPC分类号： F41A9/85 ,  F42B39/04

    CPC分类号： F41A9/85

    摘要： A holder for releasable securement of cartridges in condition for simultaneous loading of the cartridges into the chambers of a revolver's cylinder. The holder comprises a cylindrical body having a plurality of axially extending, radially distributed cartridge-receiving bores adapted to align with and introduce the rounds into the revolver's cylinder chambers. The holder also includes a manually operated cartridge engagement member for axial and rotary movement within the holder body centrally of the bores and having a double star sprocket system whose lateral projections releasably lock each cartridge flange while laterally supporting each cartridge body within the holder in a position of parallelism with a center bore. The holder further includes protected means for releasing the double star sprocket system and thereby releasing the cartridges, when the cartridge ends are in the revolver's cylinder chambers, in response to the pressing of the holder against the rear of the revolver cylinder.

    摘要翻译： 用于可释放地固定墨盒的支架，用于同时将墨盒装载到左轮手枪缸的腔室中。 保持器包括具有多个轴向延伸的，径向分布的容器容纳孔的圆柱形主体，其适于与圆筒对准并将其引入转筒的气缸室。 保持器还包括手动操作的盒接合构件，用于在孔的中心位置处的轴承和旋转运动中，并且具有双星型链轮系统，其双侧星形链轮系统，其侧向突出部可释放地锁定每个盒凸缘，同时横向地将保持器内的每个盒体侧向地支撑在位置 的平行度与中心孔。 保持架还包括用于释放双星型链轮系统的保护装置，从而当盒端部位于转向筒的气缸室中时释放盒，响应于保持器抵靠转筒的后部。

    Wall-Mounted Handheld Urinal
    42.
    发明申请
    Wall-Mounted Handheld Urinal 有权

    公开(公告)号：US20230125263A1

    公开(公告)日：2023-04-27

    申请号：US17510002

    申请日：2021-10-25

    申请人： David A. Johnson

    发明人： David A. Johnson

    IPC分类号： E03D13/00

    摘要： The disclosure is the only product of its kind that is compact in size, requires low water, and has the ability to control urine splash back. This unprecedented product is uniquely designed with durable materials to ensure long term sustainability and can be easily installed in any location. The disclosure includes a handheld receptacle having a top orifice for receiving a urine and a bottom orifice for discharging the urine. The disclosure also includes a hose connected to the handheld receptacle in a rotatable connection, the hose comprising a trap run and a discharge end, wherein a user rotates the trap run and discharge end to a target holding the handheld receptacle.

    POWERED LADDER FOR LARGE INDUSTRIAL VEHICLES
    43.
    发明申请
    POWERED LADDER FOR LARGE INDUSTRIAL VEHICLES 审中-公开

    公开(公告)号：US20170167197A1

    公开(公告)日：2017-06-15

    申请号：US14966559

    申请日：2015-12-11

    申请人： David A. Johnson

    发明人： David A. Johnson

    IPC分类号： E06C5/04 ,  E06C7/18

    CPC分类号： E06C5/04 ,  E06C7/183

    摘要： A ladder assembly for a work vehicle comprises a deck affixed horizontally just below an entry door of the cab. A yoke is pivotally joined to a support member of the deck for rotation about a vertical axis below the deck surface. The yoke has a pair of arms pivotally joined to an upper end of a ladder structure for allowing rotation of the ladder about a horizontal axis. A turnbuckle is coupled between the support structure of the deck and one stringer of the ladder while a mechanical actuator is operatively coupled to the ladder's other stringer and to an arm of the yoke to which the other stringer is attached. Operation of the mechanical actuator moves the ladder reciprocally between a use position and stowed position where the stowed position is parallel to and immediately below the deck.

    Method for approximating tire flat spot decay and magnitude using regressive analysis
    49.
    发明授权
    Method for approximating tire flat spot decay and magnitude using regressive analysis 有权
    使用回归分析近似轮胎平点衰减和幅度的方法

    公开(公告)号：US07377155B2

    公开(公告)日：2008-05-27

    申请号：US11238448

    申请日：2005-09-29

    申请人： Neel K. Mani ,  David A. Johnson ,  Michael A. Berzins ,  Gregg Rasor

    发明人： Neel K. Mani ,  David A. Johnson ,  Michael A. Berzins ,  Gregg Rasor

    IPC分类号： G01M17/02

    CPC分类号： G01M17/022 ,  B60C99/006

    摘要： An improved method for determining an initial flat spot magnitude on a tire that has been resting for a period of time on a substantially flat surface uses regression analysis. In accordance with the method, values of a tire flat spot magnitude for a particular type of tire are determined at a number of measurement intervals by a uniformity machine that spins the tire. An equation having at least two exponentially decaying terms is then determined that corresponds to the measured data points. Regression analysis is then used to determine an estimate for an initial flat spot magnitude. The method can be used to evaluate the effectiveness of different tire designs with respect to flat spot recovery rates.

    摘要翻译： 用于确定在基本平坦的表面上已经停留一段时间的轮胎上的初始平均斑点幅值的改进方法使用回归分析。 根据该方法，通过旋转轮胎的均匀机器以多个测量间隔确定特定轮胎的轮胎平均值的值。 然后确定具有至少两个指数衰减项的方程，其对应于测量的数据点。 然后使用回归分析来确定初始平均斑点幅度的估计。 该方法可用于评估不同轮胎设计相对于平面点回收率的有效性。

    Printing system calibration
    50.
    发明授权
    Printing system calibration 失效
    打印系统校准

    公开(公告)号：US07152941B2

    公开(公告)日：2006-12-26

    申请号：US10695492

    申请日：2003-10-28

    申请人： David A. Johnson

    发明人： David A. Johnson

    IPC分类号： B41J29/393

    CPC分类号： B41J29/393

    摘要： In an implementation of printing system calibration, a calibration system measures colorant levels of a colorant applied to a test element, measures color values of the colorant applied to a print media after the colorant is in the finished state, and establishes a correlation between the measured colorant levels and the measured color values. Further, the calibration system converts the measured colorant levels to corresponding predicted color values based on the correlation, compares the predicted color values to target color values, and calibrates a print unit if a difference between the predicted color values and the target color values exceeds a threshold value.

    摘要翻译： 在打印系统校准的实现中，校准系统测量施加到测试元件上的着色剂的着色剂水平，测量着色剂处于最终状态后施加到印刷介质上的着色剂的颜色值，并确定测量 着色剂水平和测量的颜色值。 此外，校准系统基于相关性将测量的着色剂水平转换为相应的预测颜色值，将预测颜色值与目标颜色值进行比较，并且如果预测颜色值和目标颜色值之间的差异超过了标准色彩值，则校准打印单元 阈值。