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1. 发明授权

US07537065B2 Angle grinder 有权
标题翻译：角磨机
公开(公告)号：US07537065B2
公开(公告)日：2009-05-26
申请号：US10339634
申请日：2003-01-09
申请人： William Gallagher , David W. Weiford , William Goddard , Eric Hatfield
发明人： William Gallagher , David W. Weiford , William Goddard , Eric Hatfield
IPC分类号： B23B45/02
CPC分类号： H02K23/30 , B24B23/02 , B24B55/00 , B25F5/001 , B25F5/008 , B25F5/02 , H02K3/00 , H02K5/10 , H02K5/148 , H02K5/1732 , H02K7/106 , H02K7/1163 , H02K13/04 , H02K23/08 , H02K23/36 , H02K23/66
摘要： An angle grinder is provided including a rotating handle configuration allowing the handle of the angle grinder to be locked in different positions relative to the angle grinder housing. A switch mounting configuration is provided for simplifying the assembly of the switch device. A gear wheel lock mechanism is also provided to allow the grinding wheel spindle to be prevented from rotating during removal or installation of a grinding wheel on the spindle. A gear case cooling and air bleed arrangement are also provided.
摘要翻译：提供了一种角磨机，其包括旋转手柄构造，其允许角磨机的手柄相对于角磨机壳体被锁定在不同的位置。提供开关安装配置以简化开关装置的组装。还设置有齿轮锁定机构，以允许在将砂轮拆卸或安装在主轴上时防止砂轮主轴旋转。还提供齿轮箱冷却和排气装置。

2. 发明申请

US20060276114A1 Angle grinder 有权
标题翻译：角磨机
公开(公告)号：US20060276114A1
公开(公告)日：2006-12-07
申请号：US11409904
申请日：2006-04-24
申请人： William Gallagher , Michael Doyle , Eric Hatfield , David Tomayko , Daniel Krout , Tanika Malloy
发明人： William Gallagher , Michael Doyle , Eric Hatfield , David Tomayko , Daniel Krout , Tanika Malloy
IPC分类号： B24B27/08
CPC分类号： B24B23/022 , B24B23/028 , B24B45/006 , B24B55/102 , B25B23/141 , B25B23/147 , B25F5/001 , H01H9/06 , H02K7/145
摘要： An angle grinder is provided including a trigger assembly for selectively actuating the angle grinder. A particle separation assembly is provided for the removal of any dust, particle, or artifacts that may have entered into the housing of the angle grinder. A brush biasing system is also provided to ensure proper and efficient operation of the motor of the angle grinder. An overload monitoring system is included to monitor the loading on the motor. A clutch mechanism is also included to prevent overloading on the motor of the angle grinder. A gear wheel lock mechanism is also provided to prevent the wheel spindle from rotating during installation or removal of a grinding wheel on the wheel spindle. An anti-locking flange system is also included to prevent the over-tightening of the flanges and the grinder wheel during the operation of the angle grinder. A gear case labyrinth feature is also provided.
摘要翻译：提供一种角磨机，包括用于选择性地致动角磨机的扳机组件。提供颗粒分离组件用于去除可能已经进入角磨机的壳体的任何灰尘，颗粒或伪影。还提供刷偏压系统以确保角磨机的电动机的正确和有效的操作。包括一个过载监控系统来监控电机的负载。还包括离合器机构以防止角磨机的电动机上的过载。还设有齿轮锁定机构，以防止在主轴安装或拆卸砂轮的过程中车轮主轴转动。还包括防抱死凸缘系统，以防止在角磨机操作过程中凸缘和磨床的过度拧紧。还提供齿轮箱迷宫功能。

3. 发明授权

US06254374B1 System for producing polymeric film 失效
标题翻译：生产聚合物薄膜的系统
公开(公告)号：US06254374B1
公开(公告)日：2001-07-03
申请号：US09242000
申请日：1999-02-02
申请人： Eric Hatfield
发明人： Eric Hatfield
IPC分类号： B29C4738
CPC分类号： B29C47/10 , B29C47/0021 , B29C47/0026 , B29C47/366 , B29C47/369 , B29C47/661
摘要： Efficient, improved output systems and methods for producing polymeric film are described. Such systems include a feed assembly for positively and substantially constantly feeding polymeric raw material to a grooved feed extruder. The system also includes suitable apparatus for forming the molten polymer output from the extruder into film. The raw material may consist of 100% pelletized polymer, 100% polymer fluff, or any combination of the two. If necessary, a blending apparatus is included to blend the pellets and fluff prior to feeding the raw material to the extruder.
摘要翻译：描述了用于生产聚合物膜的高效，改进的输出系统和方法。这种系统包括用于将聚合物原料正向和基本上恒定地供给到开槽进料挤出机的进料组件。该系统还包括用于将从挤出机输出的熔融聚合物形成膜的合适装置。原料可以由100％颗粒聚合物，100％聚合物绒毛或两者的任何组合组成。如果需要，在将原料输送到挤出机之前，包括混合装置以混合颗粒和绒毛。

4. 发明申请

US20050067743A1 Internal bubble cooling unit and method for extruded thin wall thermoplastic sheet 审中-公开
标题翻译：内部气泡冷却单元和挤出薄壁热塑性板材的方法
公开(公告)号：US20050067743A1
公开(公告)日：2005-03-31
申请号：US10672560
申请日：2003-09-29
申请人： Eric Hatfield
发明人： Eric Hatfield
IPC分类号： B29C35/16 , B29C47/88
CPC分类号： B29C48/9125 , B29C48/08 , B29C48/10 , B29C2035/1666
摘要： An internal bubble cooling process and apparatus for cooling extruded thermoplastic thin wall tubular bubbles emanating from an extrusion die head employing a first central channel for introducing cooling air into the bubble and a second channel formed between the outer wall of the central channel and the inner wall of the die head for withdrawing heated air from the bubble. Integration of the die head and airflow channels with a cooling tower and the method of use are also disclosed.
摘要翻译：内部气泡冷却过程和用于冷却从挤出模头发出的挤出的热塑性薄壁管状气泡的装置，其使用用于将冷却空气引入气泡的第一中心通道和形成在中心通道的外壁与内壁之间的第二通道用于从气泡中抽出加热的空气。还公开了将模头和气流通道与冷却塔的集成以及使用方法。

5. 发明授权

US06277314B1 System and method for producing polymeric film 失效
标题翻译：聚合物膜的制备方法
公开(公告)号：US06277314B1
公开(公告)日：2001-08-21
申请号：US09018482
申请日：1998-02-04
申请人： Eric Hatfield
发明人： Eric Hatfield
IPC分类号： B29C4700
CPC分类号： B29C47/10 , B29C47/0021 , B29C47/0026 , B29C47/366 , B29C47/369 , B29C47/661
摘要： Efficient, improved output systems and methods for producing polymeric film are described. Such systems include a feed assembly for positively and substantially constantly feeding polymeric raw material to a grooved feed extruder. The system also includes suitable apparatus for forming the molten polymer output from the extruder into film. The raw material may consist of 100% pelletized polymer, 100% polymer fluff, or any combination of the two. If necessary, a blending apparatus is included to blend the pellets and fluff prior to feeding the raw material to the extruder.
摘要翻译：描述了用于生产聚合物膜的高效，改进的输出系统和方法。这种系统包括用于将聚合物原料正向和基本上恒定地供给到开槽进料挤出机的进料组件。该系统还包括用于将从挤出机输出的熔融聚合物形成膜的合适装置。原料可以由100％颗粒聚合物，100％聚合物绒毛或两者的任何组合组成。如果需要，在将原料输送到挤出机之前，包括混合装置以混合颗粒和绒毛。

6. 发明申请

US20060115549A1 Internal bubble cooling unit for extruded thin wall thermoplastic sheet 审中-公开
标题翻译：用于挤出薄壁热塑性片材的内部气泡冷却单元
公开(公告)号：US20060115549A1
公开(公告)日：2006-06-01
申请号：US11330746
申请日：2006-01-13
申请人： Eric Hatfield
发明人： Eric Hatfield
IPC分类号： B29C47/88
CPC分类号： B29C48/9125 , B29C48/08 , B29C48/10 , B29C2035/1666
摘要： An internal bubble cooling apparatus for cooling extruded thermoplastic thin wall tubular bubbles emanating from an extrusion die head employing a first central channel for introducing cooling air into the bubble and a second channel formed between the outer wall of the central channel and the inner wall of the die head for withdrawing heated air from the bubble. Integration of the die head and airflow channels with a cooling tower and the method of use are also disclosed.
摘要翻译：一种内部气泡冷却装置，用于冷却从挤出模头发出的挤出的热塑性薄壁管状气泡，所述挤出模头使用第一中心通道将冷却空气引入到气泡中;以及第二通道，其形成在中心通道的外壁和内壁之间用于从气泡中取出加热的空气的模头。还公开了将模头和气流通道与冷却塔的集成以及使用方法。

7. 发明授权

US06391411B1 Machine direction oriented high molecular weight, high density polyethylene films with enhanced water vapor transmission properties 有权
标题翻译：机器方向取向高分子量，高密度聚乙烯薄膜具有增强的水蒸汽透过性能
公开(公告)号：US06391411B1
公开(公告)日：2002-05-21
申请号：US09324937
申请日：1999-06-03
申请人： Louis R. Duckwall, Jr. , David H. Bostian , Eric Hatfield
发明人： Louis R. Duckwall, Jr. , David H. Bostian , Eric Hatfield
IPC分类号： B29D2200
CPC分类号： C08J5/18 , B32B27/32 , C08J2323/06 , Y10S383/908 , Y10S428/91 , Y10T428/1352 , Y10T428/24942 , Y10T428/31938
摘要： The present invention is directed to oriented high molecular weight, high density polyethylene (HMW HDPE) films having enhanced water vapor transmission properties, as well as, superior toughness properties, and articles made therefrom. The present invention is also directed to a method of making machine direction oriented HMW HDPE films having enhanced water vapor transmission properties and superior toughness properties, and articles made therefrom. The present invention is further directed to articles, particularly bags, made from machine direction oriented HMW HDPE films having enhanced water vapor transmission properties and superior toughness properties.
摘要翻译：本发明涉及具有增强的水蒸气透过性能以及优异的韧性的定向高分子量，高密度聚乙烯（HMW HDPE）薄膜及由其制成的制品。本发明还涉及一种制造具有增强的水蒸汽透过性和优异的韧性的机器方向取向的HMW HDPE薄膜及其制成的制品的方法。本发明进一步涉及具有增强的水蒸汽透过性能和优异的韧性的由机器方向取向的HMW HDPE膜制成的制品，特别是袋子。

8. 发明申请

US20090115266A1 POWER TOOL WITH FRAMELESS MOTOR AND TWO-PIECE BRUSH ASSEMBLY, AND METHOD OF ASSEMBLY 审中-公开
标题翻译：具有无框电动机和双组件组件的电动工具及其组装方法
公开(公告)号：US20090115266A1
公开(公告)日：2009-05-07
申请号：US12255735
申请日：2008-10-22
申请人： Eric Hatfield , David J. Smith
发明人： Eric Hatfield , David J. Smith
IPC分类号： H02K7/14 , H01R39/38 , H02K15/14
CPC分类号： H01R39/385 , H02K5/148 , H02K7/14 , Y10T29/49009
摘要： A power tool includes a tool housing and a motor. The motor includes a commutator and a brush assembly around the commutator. The brush assembly has two pieces. The power tool is assembled by inserting the first piece of the brush assembly in a first portion of the housing of the power tool, inserting a frameless motor in the first portion of the power tool housing, mating the second piece of the brush assembly to the first piece, and mating a second portion of the power tool housing to the first portion of the power tool housing.
摘要翻译：电动工具包括工具壳体和电动机。电动机包括换向器周围的换向器和电刷组件。刷子组件有两个部件。电动工具通过将电刷组件的第一部分插入电动工具的壳体的第一部分而组装，将无框电动机插入电动工具壳体的第一部分中，将电刷组件的第二部分配合到第一部件，并且将电动工具壳体的第二部分配合到电动工具壳体的第一部分。

9. 发明申请

US20090114412A1 POWER TOOL HAVING HOUSING WITH ENHANCED IMPACT RESISTANCE 审中-公开
标题翻译：具有增强抗冲击性能的电动工具
公开(公告)号：US20090114412A1
公开(公告)日：2009-05-07
申请号：US12255738
申请日：2008-10-22
申请人： Eric Hatfield
发明人： Eric Hatfield
IPC分类号： B23Q5/00
CPC分类号： B25F5/02
摘要： A power tool includes a tool housing and a motor received in the tool housing. The tool housing includes an end portion surrounding at least a rear portion of the motor. At least a portion of the end portion of the tool housing has a double-wall structure and includes an interior wall and an exterior wall. The interior wall and the exterior wall are spaced from each other. In an aspect, a plurality of ribs extend from the interior wall to the exterior wall in a direction transverse to the interior wall and the exterior wall. In an aspect, a plurality of the plurality of the ribs are not tied to the exterior wall.
摘要翻译：电动工具包括工具壳体和容纳在工具壳体中的电动机。工具壳体包括围绕马达的至少后部的端部。工具壳体的端部的至少一部分具有双壁结构并且包括内壁和外壁。内壁和外壁彼此间隔开。在一个方面，多个肋沿着与内壁和外壁横切的方向从内壁延伸到外壁。在一个方面，多个所述肋中的多个肋不绑在所述外壁上。

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