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1. 发明授权

US07014270B2 Pivotal tail extension 有权
标题翻译：枢轴尾巴延伸
公开(公告)号：US07014270B2
公开(公告)日：2006-03-21
申请号：US10853898
申请日：2004-05-24
申请人： David K. Keech , Alexander Hand
发明人： David K. Keech , Alexander Hand
IPC分类号： B60P1/04
CPC分类号： B60P1/26 , B60P1/283
摘要： A tail extension (1) adapted to be pivotally attached (2) to a load carrying container (3). Tail (1) pivots between a first position substantially outwards from a floor of the container, and a second position upwardly inclined relative to said floor. Tail (1) may be formed as one or a plurality of sections which move individually or cooperatively. Tail (1) may be pivotally connected (2) adjacent the floor of container (3) by a hinge allowing free movement and/or may be displaced by a drive means (e.g. hydraulic, mechanical, pneumatic). By tail (1) being able to pivot when contracting the ground, tail (1) and container (3) are not going to be subjected to undue forces which may damage tail (1) or container (3). When being transported, tail (1) acts as an extension to improve the load carrying capacity of the container by extending outwardly, or, can be displaced upwardly by a drive means to form a rear wall on the container.
摘要翻译：适于枢轴连接（2）到承载容器（3）的尾部延伸部（1）。尾部（1）在从容器的地板基本上向外的第一位置和相对于所述地板向上倾斜的第二位置之间枢转。尾部（1）可以形成为单个或协作地移动的一个或多个部分。尾部（1）可以通过允许自由运动和/或可被驱动装置（例如液压，机械，气动的）移动的铰链枢转地连接（2）邻近容器（3）的地板。尾部（1）能够在收缩地面时枢转，尾部（1）和容器（3）不会受到可能损坏尾部（1）或容器（3）的不适当的力。当运输时，尾部（1）作为延伸部分，以通过向外延伸来提高容器的承载能力，或者可以由驱动装置向上移动以在容器上形成后壁。

2. 发明申请

US20050088031A1 Pivotal tail extension 有权
标题翻译：枢轴尾巴延伸
公开(公告)号：US20050088031A1
公开(公告)日：2005-04-28
申请号：US10853898
申请日：2004-05-24
申请人： David Keech , Alexander Hand
发明人： David Keech , Alexander Hand
IPC分类号： B60P1/26 , B60P1/28 , B60P1/04
CPC分类号： B60P1/26 , B60P1/283
摘要： A tail extension (1) adpated to be pivotally attached (2) to a load carrying container (3). Tail (1) pivots between a first position substantially outwards from a floor of the container, and a second position upwardly inclined realtive to said floor. Tail (1) may be formed as one or a plurality of sections which move individually or cooperatively. Tail (1) may be pivotally connected (2) adjacent the floor of container (3) by a hinge allowing free movement and/or may be displaced by a drive means (e.g. hydraulic, mechanical, pneumatic). By tail (1) being able to pivot when contracting the ground, tail (1) and container (3) are not going to be subjected to undue forces which may damage tail (1) or container (3). When being transported, tail (1) acts as an extension to improve the load carrying capacity of the container by extending outwardly, or, can be displaced upwardly by a drive means to form a rear wall on the container.
摘要翻译：尾部延伸部（1）倾向于枢轴连接（2）到承载容器（3）。尾部（1）在从容器的地板大致向外的第一位置和与所述地板之间实际向上倾斜的第二位置之间枢转。尾部（1）可以形成为单个或协作地移动的一个或多个部分。尾部（1）可以通过允许自由运动和/或可被驱动装置（例如液压，机械，气动的）移动的铰链枢转地连接（2）邻近容器（3）的地板。尾部（1）能够在收缩地面时枢转，尾部（1）和容器（3）不会受到可能损坏尾部（1）或容器（3）的不适当的力。当运输时，尾部（1）作为延伸部分，以通过向外延伸来提高容器的承载能力，或者可以由驱动装置向上移动以在容器上形成后壁。

3. 发明申请

US20200077568A1 HAND HELD TRENCHER ASSEMBLY 审中-公开
公开(公告)号：US20200077568A1
公开(公告)日：2020-03-12
申请号：US16128145
申请日：2018-09-11
申请人： Alexander Hand
发明人： Alexander Hand
IPC分类号： A01C5/06 , E02F3/08 , E02F3/02
摘要： A hand held trencher assembly for digging a trench with existing weed trimmers includes a weed trimmer that is manipulated by a user. The weed trimmer has a motor, a pole and a drive that is positioned within the pole. The drive is rotatably coupled to the motor such that the motor rotates the drive when the motor is turned on. A trenching unit is removably coupled to the pole such that the trenching unit lies on the ground when the weed trimmer is employed. The trenching unit is releasably coupled to the drive for powering the trenching unit thereby facilitating the trenching unit to dig a trench in the ground.

4. 发明授权

US06871426B2 Locking assembly and method 有权
标题翻译：锁定装配和方法
公开(公告)号：US06871426B2
公开(公告)日：2005-03-29
申请号：US10481361
申请日：2002-06-18
申请人： David Kim Keech , Alexander Hand
发明人： David Kim Keech , Alexander Hand
IPC分类号： E02F9/28
CPC分类号： E02F9/2825 , E02F9/2841
摘要： A locking arrangement (1) for releasably locking a wear tooth (2) to a tooth adaptor (3); the wear tooth (2) being defined by a top wall, a bottom wall and a pair of opposed sidewalls, each sidewall having an elongate slot (5) therethrough; the tooth adaptor (3) being of generally complementary shape to receive said wear tooth (2), and having an elongate cavity (6) on each opposed side thereof adapted to substantially align with a respective slot (5) of said wear tooth (2) when said wear tooth is installed on said tooth adaptor; said slot having a first inner surface, the locking arrangement including a retaining means (4) to be installed in each aligned cavity and slot to releasably lock said tooth (2) to said adaptor (3), the retaining means (4) including a pair of engaging retaining pieces (7, 8) adapted to fit in end-abutting relationship when in said locked position, whereby, an arcuate force is applied to at least one of said pieces (7, 8) to release said pieces from said locked position.
摘要翻译：一种用于将磨损齿（2）可释放地锁定到齿适配器（3）的锁定装置（1）; 磨损齿（2）由顶壁，底壁和一对相对的侧壁限定，每个侧壁具有穿过其的细长槽（5）; 所述齿适配器（3）具有大致互补的形状以容纳所述磨齿（2），并且在每个相对侧上具有细长空腔（6），其适于与所述磨齿（2）的相应狭槽（5）基本对准）当所述磨齿安装在所述齿适配器上时; 所述狭槽具有第一内表面，所述锁定装置包括待安装在每个对齐的空腔中的保持装置（4）和用于将所述齿（2）可释放地锁定到所述适配器（3）的槽，所述保持装置（4）一对接合保持件（7,8），适于在处于所述锁定位置时适合端对接关系，由此弓形力被施加到所述件（7,8）中的至少一个，以将所述件从所述锁定位置。

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