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    Cooker with latching drip tray for selectively opening and closing grease dispensing apertures in cooking pan
    3.
    发明申请
    Cooker with latching drip tray for selectively opening and closing grease dispensing apertures in cooking pan 失效
    具有闭锁滴水盘的电磁炉，用于选择性地打开和关闭烹饪盘中的油脂分配孔

    公开(公告)号：US20050247211A1

    公开(公告)日：2005-11-10

    申请号：US10840342

    申请日：2004-05-05

    申请人： Alan Crawford ,  Robert DeMars ,  Spencer Mackay ,  John Petersen

    发明人： Alan Crawford ,  Robert DeMars ,  Spencer Mackay ,  John Petersen

    IPC分类号： A47J27/00 ,  A47J37/06 ,  A47J37/08 ,  A47J37/10

    CPC分类号： A47J37/0676 ,  A47J27/004 ,  A47J37/108

    摘要： A cooker has a pan of circular configuration with an open upper end receiving a circular lid and a bottom having apertures therein. A disk shaped drip tray disposed below the pan and having upstanding lugs thereon is selectively moved between raised and lowered positions using opposite latching mechanisms which adjustably couple the drip tray to the pan. In the raised position, the drip tray engages the bottom of the pan and the lugs on the drip tray extend into and close the apertures in the pan. In the lowered position, the lugs are removed from the apertures, permitting greases, fats and similar substances to drain through the apertures and onto the drip tray. The latching mechanisms permit separation of the drip tray from the pan for separate cleansing thereof such as by placing in a dishwasher. When food cooked in the pan is ready to be served, the pan and attached drip tray are placed within an opening in a circular serving tray which has removable trays positioned about the circumference thereof for holding food items such as toppings for the food cooked in the pan. An electrical heating element embedded within the bottom of the pan provides heat for cooking.

    摘要翻译： 炊具具有圆形构型盘，开放的上端容纳圆形盖，底部具有孔。 设置在盘下方并且具有直立突出部的圆盘状滴水盘通过相对的锁定机构选择性地在升高和降低位置之间移动，所述锁定机构将滴水盘可调节地联接到盘上。 在升高位置，滴水盘接合锅的底部，滴水盘上的凸耳延伸进入并关闭锅中的孔。 在降低的位置，将耳片从孔中取出，允许润滑脂，脂肪和类似物质通过孔排出并流到滴水盘上。 锁定机构允许将滴水盘与盘分开，以便将其分开清洁，例如通过放置在洗碗机中。 当准备供应在锅中煮熟的食物时，锅和附着的滴水盘被放置在圆形托盘中的开口内，该托盘具有围绕其圆周定位的可移除托盘，用于保持食物，例如在 泛。 嵌入锅底部的电加热元件为烹饪提供热量。

    Skateboard with motorized drive and brake systems
    7.
    发明申请
    Skateboard with motorized drive and brake systems 审中-公开
    带电动驱动和制动系统的滑板

    公开(公告)号：US20060032682A1

    公开(公告)日：2006-02-16

    申请号：US10888826

    申请日：2004-07-09

    申请人： Roger Hillman ,  Kenneth Curran ,  Spencer Mackay ,  Alan Crawford ,  Cleve Graham ,  Richard Conroy

    发明人： Roger Hillman ,  Kenneth Curran ,  Spencer Mackay ,  Alan Crawford ,  Cleve Graham ,  Richard Conroy

    IPC分类号： B60K1/00

    CPC分类号： A63C17/01 ,  A63C17/12

    摘要： A skateboard includes a motorized drive assembly and a motorized brake assembly, both operable with a wireless remote control to be carried by a rider. The drive assembly is free-wheeling permitting normal use of the skateboard in the event of battery depletion. The brake system includes a motor operable through a simple machine structure to move a brake pad against a brake disk mounted against a wheel. A self-adjustment mechanism presets the brake pad a predetermined distance from the disk prior to brake application. Motor enertia is relied on to store potential energy in a wheel axel in accordance with an associated method of operation.

    摘要翻译： 滑板包括电动驱动组件和电动制动器组件，两者都可以由骑手携带的无线遥控器操作。 在电池耗尽的情况下，驱动器组件是随意的，允许滑板正常使用。 制动系统包括可通过简单的机器结构操作的马达，以将刹车片移动抵靠安装在车轮上的制动盘。 自调节机构在制动器施加之前将制动衬块预定距离盘的预定距离。 根据相关的操作方法，依靠电机使能将潜在能量存储在车轮轴上。

    Barbecue cooking apparatus with ash scraper assembly
    8.
    发明授权
    Barbecue cooking apparatus with ash scraper assembly 有权
    烧烤装置与灰尘刮板组装

    公开(公告)号：US07681568B2

    公开(公告)日：2010-03-23

    申请号：US11978003

    申请日：2007-10-29

    申请人： Robert DeMars ,  Alan Crawford

    发明人： Robert DeMars ,  Alan Crawford

    IPC分类号： A47J37/07 ,  F24B1/20 ,  A47J37/06

    CPC分类号： A47J37/0704

    摘要： A barbecue apparatus is provided, the apparatus comprises: a firebowl having an open topside and a bottomside which has a circumference smaller than a circumference of the topside of the firebowl, and the bottomside of the firebowl comprises at least one central aperture situated adjacent at least one peripheral aperture; a base frame comprising a top end, a bottom end, and a central cavity, and the peripheral aperture of the firebowl leads to the central cavity of the column, and the top end of the column is connected to the bottomside of the firebowl; and an ash scraper assembly comprising a frame having at least one arm designed to cover and uncover the peripheral aperture and an actuator pivotally attached to the frame and designed to rotate the arms to cover and uncover the peripheral apertures and scrape the bottomside of the firebowl.

    摘要翻译： 提供了一种烧烤装置，该装置包括：具有开口顶部和底部的火炬，其具有小于火炬顶部的周边的圆周，并且火炬的底部包括至少一个位于至少相邻的中心孔 一个外围光圈; 底架，包括顶端，底端和中心腔，并且火炬的外围孔通向柱的中心空腔，并且塔的顶端连接到火炬的底部; 以及灰刮器组件，其包括框架，所述框架具有设计成覆盖和露出周边孔的至少一个臂，以及可枢转地附接到框架并被设计成旋转臂以覆盖和露出周边孔并刮擦防火板底部的致动器。

    Method and system for efficiently trimming a nurbs surface with a projected curve
    9.
    发明授权
    Method and system for efficiently trimming a nurbs surface with a projected curve 失效
    方法和系统，用于有效地修剪具有投影曲线的nurbs表面

    公开(公告)号：US5701404A

    公开(公告)日：1997-12-23

    申请号：US658951

    申请日：1996-05-31

    申请人： Marc P. Stevens ,  Alan Crawford

    发明人： Marc P. Stevens ,  Alan Crawford

    IPC分类号： G06T17/30 ,  G06T15/30

    CPC分类号： G06T17/30

    摘要： A curve projected onto a NURBS surface defines trim regions on the NURBS surface. A plurality of spaced-apart points are defined on the curve and rays are project through the points toward a NURBS surface. Any intersections of the rays with the NURBS surface is mapped into the U,V domain. Corresponding points of adjacent rays are connected to define at least a portion of each trim region on the NURBS surface. Transitions on the NURBS surface between adjacent rays are detected based upon differences in the number of intersections of adjacent rays. The location of each transition is determined to within a selected tolerance by using a binary subdivision of the interval between adjacent rays. The location of such transitions is used to determine how intersections of the rays with the surface at the boundaries of the NURBS surface should be connected. Parity assigned to the rays at each intersection determines the direction in which intersections along the rays are connected. The technique enables real-time trimming of the NURBS surface to be carried out in response to any change to the curve and/or NURBS surface topology.

    摘要翻译： 投影到NURBS曲面上的曲线定义了NURBS曲面上的修剪区域。 在曲线上限定多个间隔开的点，并且射线穿过点朝向NURBS表面突出。 将光线与NURBS曲面的任何交点映射到U，V域。 连接相邻射线的对应点以限定NURBS表面上每个修剪区域的至少一部分。 基于相邻射线相交数量的差异来检测相邻射线之间的NURBS曲面上的转换。 通过使用相邻光线之间的间隔的二进制细分，将每个转变的位置确定在所选容限内。 这种过渡的位置用于确定射线与NURBS表面边界处的表面的交点是如何连接的。 分配给每个交叉点的光线的奇偶校验决定了沿着光线的交点连接的方向。 该技术能够对NURBS曲面进行实时修整，以响应曲线和/或NURBS曲面拓扑的任何变化。