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    • 1. 发明授权
    • Portable outdoor steamer system
    • 便携式户外蒸笼系统
    • US5992307A
    • 1999-11-30
    • US160168
    • 1998-09-25
    • Robert A. ParkerEric Parker
    • Robert A. ParkerEric Parker
    • A47J27/04A47J37/07A47J27/12A47J37/00A47J37/06
    • A47J27/04A47J37/0713
    • A portable outdoor steamer system comprising a hollow container with an open top and a closed generally inverted dome-shaped bottom with a cover in a dome-shaped configuration. The steamer also contains a hollow support with a circular upper end secured to the lower surface of the bottom of the container. Also provided are heating components including a burner secured in the upper extent of the support on a circular plate, a hook-up mounted externally on the base and operatively coupled to the burner and a heat control dial mounted externally of the housing on a control panel operatively coupled to the burner with air holes through the base above the plate and a door formed in the housing to provide access to the burner. Air ports extend through the container in a central extent thereof with at least one food supporting rack removably secured within the container on short radial fingers above the ports, the region of the container beneath the ports for retaining water to be heated and converted into steam for cooking food supported thereabove on the racks.
    • 一种便携式户外蒸笼系统,包括具有开口顶部的中空容器和具有圆顶形构造的盖的封闭的大致倒置的圆顶形底部。 蒸笼还包含中空支撑件,其中圆形上端固定在容器底部的下表面。 还提供了加热部件,包括固定在圆板上的支撑件的上部范围中的燃烧器,安装在外部位于基座上并可操作地联接到燃烧器上的连接器以及安装在壳体外部的控制盘 可操作地联接到燃烧器,其具有通过板上方的基座的气孔和形成在壳体中以提供对燃烧器的通路的门。 空气端口在其中央部分延伸穿过容器,其中至少一个食物支撑框架可移除地固定在容器内的短的径向指状物上方的端口上,容器的在该端口下方的区域用于保持被加热的水并转换成蒸汽 在机架上方支撑烹饪食物。
    • 2. 发明授权
    • Orthodontic bracket
    • 正畸支架
    • US4867678A
    • 1989-09-19
    • US149115
    • 1988-01-27
    • Robert A. Parker
    • Robert A. Parker
    • A61C7/12
    • A61C7/12
    • The invention relates to an improved bracket for use in fixed dental appliances for the orthodontic movement of teeth. An orthodontic bracket in accordance with the invention comprises a fixed member for attachment to the labial surface of the tooth and a member which is freely rotatable about a stub axle formed in the fixed member, the rotatable member being provided on its labial surface with a first channel in which archwire may be seated, means being provided to lock the rotatable and fixed members together at a predetermined angular position. Such a bracket allows free tipping of the teeth in the early stages of treatment and allows torque to be applie for fine control of the root apices in the latter stages of treatment.
    • 本发明涉及一种用于牙齿正畸运动的固定牙科器具的改进支架。 根据本发明的正畸托架包括用于附接到牙齿的唇面的固定构件和可围绕形成在固定构件中的短轴自由旋转的构件,可旋转构件在其唇面上设置有第一 可以将弓丝固定在其中的通道,用于将可旋转和固定的构件在预定角度位置锁定在一起的装置。 这种支架允许在治疗的早期阶段牙齿的自由倾翻,并且允许扭矩用于在后期处理的根尖的精细控制。
    • 6. 发明授权
    • Workpiece translation mechanism for transfer die press
    • 转移模压机工件平移机构
    • US3937056A
    • 1976-02-10
    • US561864
    • 1975-03-25
    • William G. HenzlerRobert A. Parker
    • William G. HenzlerRobert A. Parker
    • B21D43/05B21D43/18
    • B21D43/05
    • This invention relates to a workpiece translation mechanism for moving successive workpieces through successive stations of a transfer stamping die. Workpiece engaging mechanisms are provided on a top subframe which is mounted on an intermediate subframe for horizontal motion parallel to the path of the workpieces through the transfer die. The intermediate subframe is mounted on a bottom subframe for horizontal reciprocating movement transverse to the path of the workpieces. The bottom subframe is mounted for relative vertical reciprocating motions with respect to the bed of the transfer press. Appropriate mechanical driving arrangements are provided for both the top and intermediate subframes so that both horizontal movements are respectively accomplished with an harmonic acceleration and deceleration of the respective subframes so that they are at essentially zero velocity when they reach each extreme of their reciprocatory positions. In this manner, the possibility of the workpiece being inaccurately aligned with the station of the transfer stamping die is substantially minimized.
    • 本发明涉及一种用于通过传送冲压模具的连续站移动连续工件的工件平移机构。 工件接合机构设置在顶部子框架上,顶部子框架安装在中间子框架上,用于通过转移模具平行于工件的路径的水平运动。 中间子框架安装在底部子框架上,用于水平往复运动,横向于工件的路径。 底部子框架被安装用于相对于转印机床的相对垂直往复运动。 为顶部和中间子框架提供适当的机械驱动装置,使得两个水平运动分别以相应子框架的谐波加速度和减速度完成,使得当它们到达其往复位置的每个极端时它们基本上为零速度。 以这种方式,工件与转印冲压模具的工位不准确地对准的可能性基本上被最小化。