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1. 发明授权

US5831186A Electrical contact for use in a circuit breaker and a method of manufacturing thereof 失效
标题翻译：用于断路器的电接点及其制造方法
公开(公告)号：US5831186A
公开(公告)日：1998-11-03
申请号：US626706
申请日：1996-04-01
申请人： Jon W. Oswood , James P. Bodin , Randy L. Siebels , Eugene W. Wehr
发明人： Jon W. Oswood , James P. Bodin , Randy L. Siebels , Eugene W. Wehr
IPC分类号： H01H1/023 , H01H1/025 , H01H1/027 , B22F3/12 , B22F5/00
CPC分类号： H01H1/027 , H01H1/023
摘要： An electrical contact for use in an electrical switching device is provided having low contact resistance, high wear resistance and high anti-weld characteristics. The contact includes a material composition of between 0.2 and 8% by weight Gr, between 10 and 90% by weight W and the remaining mixture consisting of Ag. The contact is manufactured using a process which yields a unique microstructure characterized by not having an interconnected Gr network around the Ag thereby providing a strong Ag to Ag bond. This process includes the steps of adding the appropriate amounts of Ag, W and Gr powder material together, blending together under low shear conditions to provide a homogenous powder mixture while prohibiting the Gr from smearing onto the Ag, pressing the material mixture to form a contact, and then sintering and coining the contact.
摘要翻译：提供了一种用于电气开关装置的电触点，其具有低接触电阻，高耐磨性和高抗焊接特性。接触包括0.2至8重量％的Gr，10至90重量％的W和剩余的由Ag组成的材料组成。接触是使用产生独特微结构的方法制造的，其特征在于在Ag周围不具有互连的Gr网络，从而提供强的Ag至Ag键。该方法包括以下步骤：将适量的Ag，W和Gr粉末材料加入到一起，在低剪切条件下混合在一起以提供均匀的粉末混合物，同时禁止Gr涂抹在Ag上，压制材料混合物以形成接触，然后烧结和压印接触。

2. 发明授权

US06412202B1 Signage display for vehicles 有权
标题翻译：汽车标牌展示
公开(公告)号：US06412202B1
公开(公告)日：2002-07-02
申请号：US09407251
申请日：1999-09-28
申请人： Jon W. Oswood
发明人： Jon W. Oswood
IPC分类号： G09F2104
CPC分类号： G09F21/04
摘要： A signage display for a vehicle having a hitch receiver is provided that includes a frame defining a placard receiving area. A tongue is coupled to the frame that extends rearwardly from the frame and away from the receiving area. The tongue is adapted to be received within the hitch receiver of the vehicle. A placard is removably coupled to the frame within the placard receiving area of the frame. The signage display may thus be removably coupled to the hitch receiver of the vehicle. The vehicle owner may change the placard within the receiving area to display a variety of messages, thus alleviating the problem associated with conventional bumper stickers. In one embodiment, the frame is provided with a light socket and light that allow the placard to be illuminated.
摘要翻译：提供具有牵引接收器的车辆的标牌显示器，其包括限定标牌接收区域的框架。舌部联接到从框架向后延伸并远离接收区域的框架。舌头适于被接收在车辆的搭接接收器内。标牌可拆卸地耦合到框架的标牌接收区域内的框架。因此，标牌显示器可以可拆卸地联接到车辆的搭接接收器。车主可以改变接收区域内的标语牌，以显示各种消息，从而减轻与常规保险杠贴纸相关的问题。在一个实施例中，框架设置有允许照明标牌的灯座和灯。

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