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1. 发明授权

US6015156A Skate with detachable boot 失效
标题翻译：滑冰与可拆卸的靴子
公开(公告)号：US6015156A
公开(公告)日：2000-01-18
申请号：US096235
申请日：1998-06-11
申请人： Michael K. Pratt
发明人： Michael K. Pratt
IPC分类号： A63C17/02
CPC分类号： A63C17/06 , A43B5/1633 , A43B5/1641 , A63C2203/06 , A63C2203/42
摘要： An in-line skate has a wheeled chassis and a detachable boot for walking. The chassis has an elongated frame and a multiplicity of wheels mounted to the frame. The frame has a projection extending from it, the projection having a stem and an overhanging head at the distal end of the stem. The frame also includes an elongated rib, with a cantilevered extension, extending from the frame in spaced relation to the projection, along the length of the frame. The boot is adapted for releasable attachment to the chassis, and has an upper attached to a flexible sole with a tread for walking upon. The sole defines a slot adapted to receive the rib of the frame. The slot has an undercut at one end for retaining the cantilevered extension of the rib to resist separation of the attached boot and chassis. The sole also contains a movable clip positioned to receive and releasably engage the projection to resist separation of the attached boot and chassis. In another embodiment, the location of the projection and the clip are reversed. Methods of employing this structure to remove the wheeled chassis from the boot are also described.
摘要翻译：一个直排轮滑的车轮有一个轮式底盘和一个可拆卸的靴子用于行走。底盘具有细长的框架和安装到框架的多个轮子。框架具有从其延伸的突出部，突出部在杆的远端具有杆和悬伸头。框架还包括具有悬臂延伸部的细长肋，沿着框架的长度从框架以间隔开的关系延伸。靴子适于可释放地附接到底盘，并且具有附接到具有用于行走的胎面的柔性鞋底的鞋面。鞋底限定适于接收框架的肋的狭槽。狭槽在一端具有底切，用于保持肋的悬臂延伸部分，以抵抗连接的靴子和底盘的分离。鞋底还包括可移动夹子，其被定位成接收和可释放地接合突出部，以抵抗附接的靴子和底盘的分离。在另一个实施例中，突起和夹子的位置相反。还描述了使用该结构以从靴子移除轮式底盘的方法。

2. 发明授权

US5472218A In-line wheeled skate and toe stop 失效
标题翻译：在线轮式滑冰和脚趾停止
公开(公告)号：US5472218A
公开(公告)日：1995-12-05
申请号：US223978
申请日：1994-04-06
申请人： Michael K. Pratt
发明人： Michael K. Pratt
IPC分类号： A63C17/14
CPC分类号： A63C17/1436 , A63C17/06
摘要： An in-line wheeled skate includes a boot, a chassis attached beneath the boot, a plurality of wheels mounted thereupon and arranged in tandem, and a toe stop. The toe stop is fixedly mounted at the front of the chassis and defines a toe stop surface having a first, upper portion positioned relative to a chassis axis for engagement with a travel surface during movement to brake or slow motion of a skater and a second, lower portion positioned relative to the chassis axis for engagement with a travel surface during movement to impart push-off motion to a skater.
摘要翻译：一个在线的轮式滑冰鞋包括一个靴子，一个安装在靴子下面的底盘，安装在其上的多个轮子并排配置，一个脚趾停止。趾部固定件固定地安装在底盘的前部并且限定趾部止动表面，其具有相对于底盘轴线定位的第一上部，用于在运动到溜冰者的制动或慢动作期间与行进表面接合，下部部分相对于底盘轴线定位，用于在运动期间与行进表面接合以向溜冰者施加推动运动。

3. 外观设计

USD353430S Rear entry in-line skate 失效
公开(公告)号：USD353430S
公开(公告)日：1994-12-13
申请号：US008185
申请日：1993-05-10
申请人： Michael K. Pratt , Kenneth W. Pratt
设计人： Michael K. Pratt , Kenneth W. Pratt

4. 外观设计

USD341697S Skate boot 失效
公开(公告)号：USD341697S
公开(公告)日：1993-11-30
申请号：US870712
申请日：1992-04-17
申请人： Kenneth W. Pratt
设计人： Kenneth W. Pratt

5. 外观设计

USD379557S In-line wheeled skate boot tongue 失效
公开(公告)号：USD379557S
公开(公告)日：1997-06-03
申请号：US46197
申请日：1995-11-09
申请人： Kenneth Pratt
设计人： Kenneth Pratt

6. 外观设计

USD378691S In-line wheeled skate chassis 失效
公开(公告)号：USD378691S
公开(公告)日：1997-04-01
申请号：US46216
申请日：1995-11-09
申请人： Michael K. Pratt
设计人： Michael K. Pratt

7. 发明授权

US5411277A Multi-terrain in-line skate chassis 失效
标题翻译：多地形线上溜冰鞋底盘
公开(公告)号：US5411277A
公开(公告)日：1995-05-02
申请号：US102476
申请日：1993-08-03
申请人： Michael K. Pratt
发明人： Michael K. Pratt
IPC分类号： A63C17/06 , A63C17/16
CPC分类号： A63C17/16 , A63C17/06 , A63C2203/42
摘要： A multi-terrain in-line skate chassis has at least one base plate for supporting a skate boot and a single, vertically oriented wheel support plate having an upper edge. The base plate has a side edge and defines a base plane, and the upper edge of the wheel support plate is joined to the base plate along the side edge. The wheel support plate defines at least a first set of apertures and a second set of apertures. The first set of apertures is located at a first set of predetermined distances below the base plane. The second set of apertures is located at a second set of predetermined distances below the base plane, the second set of predetermined distances being different from the first set of predetermined distances.
摘要翻译：多地面直排式滑冰底盘具有至少一个用于支撑滑冰靴的基板和具有上边缘的单个垂直定向的轮支撑板。基板具有侧边缘并且限定基面，并且车轮支撑板的上边缘沿着侧边缘接合到基板。轮支撑板限定至少第一组孔和第二组孔。第一组孔径位于基准面下方的第一组预定距离处。第二组孔径位于基准面下方的第二组预定距离处，第二组预定距离与第一组预定距离不同。

8. 外观设计

USD350693S Package for balls and pump 失效
公开(公告)号：USD350693S
公开(公告)日：1994-09-20
申请号：US10868
申请日：1993-07-20
申请人： Kenneth W. Pratt
设计人： Kenneth W. Pratt

9. 外观设计

USD343669S In-line skate chassis 失效
公开(公告)号：USD343669S
公开(公告)日：1994-01-25
申请号：US870699
申请日：1992-04-17
申请人： Kenneth W. Pratt
设计人： Kenneth W. Pratt

10. 发明授权

US5112062A Safety lawn dart 失效
标题翻译：安全草坪飞镖
公开(公告)号：US5112062A
公开(公告)日：1992-05-12
申请号：US767063
申请日：1991-09-27
申请人： Kenneth W. Pratt
发明人： Kenneth W. Pratt
IPC分类号： F42B6/00
CPC分类号： F42B6/003
摘要： A safety lawn dart for use in lawn games has an elongated shaft, a cushioned, shock-absorbing head and a plurality of feathers or fins mounted for imparting rotational motion during flight. The shaft defines an axis, and one end of the shaft provides a hand grip. The cushioned head is mounted at the other end of the shaft, and has a hub and a wall creating a chamber cushioned to absorb the forces of impact of the dart with a target. The wall has a lower surface disposed to engage a target surface, and may have outwardly extending protrusions. The feathers or fins may be mounted on a sleeve which in turn is mounted for axial and/or rotational movement relative to the shaft.
摘要翻译：用于草坪游戏的安全草坪飞镖具有细长的轴，缓冲的减震头和多个安装成在飞行期间进行旋转运动的羽毛或翅片。轴定义一个轴线，轴的一端提供手柄。缓冲头安装在轴的另一端，并且具有毂和壁，其产生用于吸收飞镖与目标的冲击力的垫子。壁具有设置成接合目标表面的下表面，并且可以具有向外延伸的突出部。羽毛或翅片可以安装在套筒上，套筒又安装成相对于轴线进行轴向和/或旋转运动。

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