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1. 发明授权

US5165145A Hinge for use with portable electronic apparatus 失效
标题翻译：铰链用于便携式电子设备
公开(公告)号：US5165145A
公开(公告)日：1992-11-24
申请号：US589141
申请日：1990-09-27
申请人： Howard F. Sherman
发明人： Howard F. Sherman
IPC分类号： E05D11/08 , E05F1/12 , G06F1/16
CPC分类号： G06F1/1696 , G06F1/1616 , G06F1/1681 , E05D11/087 , E05F1/1223 , E05Y2900/606 , Y10T16/5387 , Y10T16/54035 , Y10T16/54038
摘要： A hinge mechanism is disclosed which is suitable for use on a pivotable character display for an electronic typewriter or portable computer. The hinge mechanism includes braking means for maintaining the character display in a viewing position, wherein friction is generated between disc shaped brake members of the hinge mechanism. Moreover, the addition of a cam in the hinge mechanism provides the selective use of torque to the braking means; the cam is engaged when the display is in a viewing position, preventing the display from slipping out of position, whereas the cam is not engaged when the display is near the horizontal, making it easier to raise and to lower the display. The hinge mechanism disclosed is suitable for use with multi-view position character displays as well as with single view position character displays.
摘要翻译：公开了适用于电子打字机或便携式计算机的可枢转字符显示器的铰链机构。铰链机构包括用于将字符显示保持在观察位置的制动装置，其中在铰链机构的盘形制动部件之间产生摩擦。此外，在铰链机构中添加凸轮可以选择性地使用扭矩给制动装置; 当显示器处于观看位置时，凸轮接合，防止显示器滑出位置，而当显示器靠近水平面时凸轮不接合，从而更容易升高和降低显示。所公开的铰链机构适用于多视角位置字符显示以及单视图位置字符显示。

2. 发明授权

US3976181A Typing machine repeat key action 失效
标题翻译：打字机重复按键操作
公开(公告)号：US3976181A
公开(公告)日：1976-08-24
申请号：US501123
申请日：1974-08-28
申请人： Mueller Hans W. , Howard F. Sherman , Richard E. Shattuck
发明人： Mueller Hans W. , Howard F. Sherman , Richard E. Shattuck
IPC分类号： B41J5/28 , B41J7/02 , B41J23/06
CPC分类号： B41J23/06 , B41J5/28
摘要： A gap is provided between two teeth on a power roll in a typing machine repeat key action, and a cam follower surface is provided on a repeat interposer. A repeat typing operation can be initiated only when the cam follower surface engages the gap. When the key action is not in a repeat position, a latch and a forked lever cooperate to hold the repeat interposer away from the power roll; when the key action is in the repeat position, the forked lever holds a single-action interposer out of the way. The gap prevents skipped and uneven repeat typing operations during high-speed operation by giving the actuator and the typebar enough time to settle into rest position.
摘要翻译：在打字机重复键动作中在动力辊上的两个齿之间提供间隙，并且在重复插入件上设置凸轮随动体表面。只有当凸轮从动件表面接合间隙时，才能启动重复打字操作。当键操作不在重复位置时，闩锁和叉形杆合作以将重复插入件保持在远离动力辊的位置; 当关键动作处于重复位置时，叉形杆将一个动作插入器挡住。间隙通过给执行器和类型杆足够的时间来稳定到静止位置，防止在高速操作期间跳过和不均匀的重复打字操作。

3. 发明授权

US4808017A Pivotable character display for a typewriter 失效
标题翻译：打字机的可转动字符显示
公开(公告)号：US4808017A
公开(公告)日：1989-02-28
申请号：US100149
申请日：1987-09-23
申请人： Howard F. Sherman , James H. Greggains , Hans W. Mueller , Robert L. Kasprzycki
发明人： Howard F. Sherman , James H. Greggains , Hans W. Mueller , Robert L. Kasprzycki
IPC分类号： B41J3/46
CPC分类号： B41J3/46
摘要： A character display is pivotably mounted on an electronic typewriter for pivotable movement from an open position for viewing the character display to a closed position for covering the keyboard. The character display has a pivot axis in alignment with a rotatable axis of the platen. A structure for pivotably mounting the character display includes a spring operable to dampen the pivotable movement of the character display near the closed position. A brake pad combined with the dampening spring holds the character display in manually selected positions near the open position. A paper support which covers a platen and an adjacent open area is combined with the character display located in the closed position to provide a cover for the typewriter.
摘要翻译：字符显示器可枢转地安装在电子打字机上，用于从用于观察字符显示器的打开位置枢转运动到用于覆盖键盘的关闭位置。字符显示器具有与压板的可旋转轴线对准的枢转轴线。用于可枢转地安装字符显示器的结构包括可操作以抑制字符显示器在关闭位置附近的可枢转运动的弹簧。与阻尼弹簧结合的制动盘将人物显示屏保持在靠近打开位置的手动选择位置。覆盖压板和相邻打开区域的纸张支撑件与位于关闭位置的字符显示器组合以提供打字机的盖子。

4. 发明授权

US5109573A Brake mechanism for a pivotable character display 失效
标题翻译：可枢转字符显示的制动机构
公开(公告)号：US5109573A
公开(公告)日：1992-05-05
申请号：US589140
申请日：1990-09-27
申请人： Howard F. Sherman
发明人： Howard F. Sherman
IPC分类号： B41J29/00 , B41J29/42 , E05C17/02 , E05D11/08 , G06F1/16 , G06F3/147 , G09F9/00
CPC分类号： G06F1/1681 , E05C17/025 , G06F1/1616 , E05D11/084 , E05Y2900/606 , Y10T16/54035 , Y10T16/54038
摘要： The teachings of the present invention include a brake mechanism for a continuously adjustable pivotable character display that does not cover the keyboard of the computer, personal word processor or typewriter, has a relatively small angle of movement and has a relatively short arm length. The brake mechanism comprises a brake pad mounted on the typewriter and a cam located on the pivotable character display such that the display is continuously pivotable between a down position and an upright position. The cam compresses the brake pad as the display is brought towards a down position and the frictional force between the cam and the brake pad is sufficient to hold the display in a desired position between the down position and the upright position. The brake mechanism may include an indentation in the housing of the typewriter such that the brake pad fits into the indentation snugly and is held in place by the walls of the indentation and the friction between the brake pad and the walls of the indentation. The brake pad may be capable of being removed and replaced. The cam may be shaped into the housing of the character display.
摘要翻译：本发明的教导包括：用于不覆盖计算机，个人文字处理器或打字机的键盘的连续可调节的可枢转字符显示器的制动机构具有相对较小的移动角度并且具有相对短的臂长度。制动机构包括安装在打字机上的刹车片和位于可枢转字符显示器上的凸轮，使得显示器能够在向下位置和直立位置之间连续地枢转。当显示器朝向下方位置时，凸轮压缩制动衬块，并且凸轮和制动衬块之间的摩擦力足以将显示器保持在向下位置和直立位置之间的期望位置。制动机构可以包括在打字机的壳体中的凹陷，使得制动衬块紧密地配合到压痕中并且通过压痕的壁以及制动衬块和压痕壁之间的摩擦保持在适当的位置。刹车片可以被移除和更换。凸轮可以成形为字符显示器的外壳。

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