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1. 发明授权

US06167781A System and apparatus for retaining position of cam follower 有权
标题翻译：用于保持凸轮从动件位置的系统和装置
公开(公告)号：US06167781A
公开(公告)日：2001-01-02
申请号：US09201682
申请日：1998-11-30
申请人： Brent Madsen , Ryan Kunz , David Oliphant , Dexter Francis , Josh Randall
发明人： Brent Madsen , Ryan Kunz , David Oliphant , Dexter Francis , Josh Randall
IPC分类号： F16H5300
CPC分类号： H01R13/62905 , H01R13/635 , Y10T74/2101 , Y10T74/2107
摘要： An apparatus for providing a guide and positioning mechanism for dictating retraction motion of a retractable member such as a retractable media jack. The apparatus is comprised of a “J-shaped” cam follower having a short end press-fit into a cam pushing with the longer end of the cam follower tracing out the path boundaries as dictated by a groove within a cam track. The cam bushing is comprised of a generally cylindrical cam axle through with the short end of the cam follower passes and an extended wedge-shaped extension for providing support to the extended longer portion of the cam follower. The longer portion of the cam follower is rotationally bounded by stops on each end of the wedge-shaped extension on the cam axle which keeps the long end of the cam follower radially bounded as the cam follower traces a catch and release path of the cam track during extension and retraction of the retractable member.
摘要翻译：一种用于提供引导和定位机构的装置，用于指示可缩回构件（例如可伸缩介质插孔）的缩回运动。该装置包括一个“J型”凸轮随动件，其具有短端压配合到凸轮推动中，凸轮从动件的较长端跟踪由凸轮轨道内的凹槽指定的路径边界。凸轮衬套包括通过凸轮从动件通过的短端的大致圆柱形的凸轮轴和用于向凸轮从动件的延伸较长部分提供支撑的延伸的楔形延伸部。凸轮从动件的较长部分由凸轮轴上的楔形延伸部的每个端部上的止动件旋转地限定，凸轮从动件的长端在凸轮从动件跟踪凸轮轨道的卡止和释放路径时保持凸轮从动件的长端部在可伸缩构件的伸缩过程中。

2. 发明授权

US5209134A Synchronous bidirectional gearing mechanism 失效
标题翻译：同步双向传动机构
公开(公告)号：US5209134A
公开(公告)日：1993-05-11
申请号：US782004
申请日：1991-10-22
申请人： David Nguyen , Dexter Francis
发明人： David Nguyen , Dexter Francis
IPC分类号： F16H19/00 , F16H55/08 , G06F3/02
CPC分类号： F16H55/08 , F16H19/00 , G06F3/0216 , F16H2055/0893 , H01H2217/034 , H01H2223/05 , Y10T74/19642 , Y10T74/19651 , Y10T74/19884 , Y10T74/19949
摘要： A bidirectional synchronous gearing mechanism includes a first gear with a first and second gear profile and a second gear identical to the first gear and with identical first and second gear profiles. The teeth of the two gears are meshed together and the gears are rotatably secured about their respective central axes. Rotation of one of the gears causes rotation of the other gear in an opposite direction.
摘要翻译：双向同步齿轮传动机构包括具有第一和第二齿轮轮廓的第一齿轮和与第一齿轮相同并且具有相同的第一和第二齿轮轮廓的第二齿轮。两个齿轮的齿啮合在一起，齿轮围绕它们各自的中心轴可旋转地固定。齿轮中的一个的旋转引起另一个齿轮沿相反方向旋转。

3. 发明授权

US5456542A Adjustable data entry keyboard 失效
标题翻译：可调数据输入键盘
公开(公告)号：US5456542A
公开(公告)日：1995-10-10
申请号：US3243
申请日：1993-01-11
申请人： Harold Welch , Stephen Peart , Matthew Herron , David Shen , Ray Riley , Andrew L. Carter , Robert A. Howard , Dexter Francis , David Nguyen
发明人： Harold Welch , Stephen Peart , Matthew Herron , David Shen , Ray Riley , Andrew L. Carter , Robert A. Howard , Dexter Francis , David Nguyen
IPC分类号： F16H19/00 , F16H55/08 , G06F3/02 , B41J5/10
CPC分类号： F16H19/00 , F16H55/08 , G06F3/0216 , H01H2217/034 , H01H2223/05
摘要： An integrated adjustable data entry keyboard. A divided keyboard arrangement comprises first key field and second key fields pivotably mounted upon a stationary base. The first and second key fields substantially comprise a keyboard arrangement. A space bar is separately attached to the base and occupies a lower keyboard region centrally disposed between the first and second key fields. The space bar is enlarged so as to remain within the radius of a user's thumb's "strike zone" when a user adjusts the first and second key fields. A synchronizing coupling means may be employed to ensure complimentary movement of the first key field relative to the second key field and thereby relative to the user's hands and wrists, even if only one of the individual key fields is pivoted. Compliantly mounted detachable palm rests may be attached to each of the first and second key fields to provide substantially integrated palm and hand support for the user throughout the range of motion of the key fields, thereby increasing the user's comfort.
摘要翻译：一个集成的可调数据输入键盘。分开的键盘装置包括可枢转地安装在固定基座上的第一键区和第二键区。第一和第二关键领域基本上包括键盘装置。空格键分别连接到基座并占据集中设置在第一和第二键区之间的下键盘区域。当用户调整第一和第二键区时，空格键被放大以便保持在用户拇指的“打击区域”的半径内。可以使用同步耦合装置来确保第一键区域相对于第二键区域的相互移动，从而相对于用户的手和手腕进行互补移动，即使只有一个单独的键区域被枢转。可以将安装好的可拆卸的掌垫安装在第一和第二键区域中的每一个上，以在关键区域的运动范围内为用户提供基本上一体的手掌和手持支撑，从而增加使用者的舒适度。

4. 发明授权

US6128194A PC card with electromagnetic and thermal management 失效
标题翻译： PC卡具有电磁和热管理功能
公开(公告)号：US6128194A
公开(公告)日：2000-10-03
申请号：US906026
申请日：1997-08-05
申请人： Dexter Francis
发明人： Dexter Francis
IPC分类号： H05K5/02 , H05K7/14
CPC分类号： H05K5/0269 , Y10S439/946
摘要： A PC card includes a circuit board having an electrical component mounted on the face thereof and an I/O connector coupled to an end thereof. The circuit board is enclosed by a metal casing. The casing includes a top cover having a pair of sidewalls projecting from the sides thereof. Each top sidewall has an outside face with an engagement shelf projecting therefrom. The base cover includes a pair of bottom sidewall projecting at opposing sides thereof. Each of the bottom sidewalls has an inside face with an engagement ridge projecting therefrom. The bottom sidewalls are configured such that the locking ridges engage the shelf when the top cover and base cover are pressed together with the circuit board positioned therebetween. Projecting from the inside face of the top cover is a shield wall encircling a heat sink. The shield wall encircles the component on the circuit board when the top and base cover are attached together.
摘要翻译： PC卡包括安装在其表面上的电气部件的电路板和连接到其端部的I / O连接器。电路板由金属外壳封闭。壳体包括具有从其侧面突出的一对侧壁的顶盖。每个顶侧壁具有从其突出的接合架的外表面。底盖包括在其相对侧面突出的一对底侧壁。每个底侧壁具有从其突出的接合脊的内侧面。底部侧壁构造成使得当顶盖和底盖被压在一起并且电路板位于其间时，锁定脊接合搁板。从顶盖的内侧突出是围绕散热器的屏蔽壁。当顶盖和底盖连接在一起时，屏蔽墙环绕电路板上的部件。

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