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1. 发明授权

US06267448B1 Inflatable bag assembly for lifting a load 失效
标题翻译：充气袋组件用于提升负载
公开(公告)号：US06267448B1
公开(公告)日：2001-07-31
申请号：US09374547
申请日：1999-08-13
申请人： James R. Hendry , John Kowalski , Fred P. Smith , Tim E. Grosland
发明人： James R. Hendry , John Kowalski , Fred P. Smith , Tim E. Grosland
IPC分类号： B60P116
CPC分类号： B60P1/16
摘要： A bag actuated tilting device where the area of cross section of the bag is sized such that available pressure multiplied by the bag cross sectional area multiplied by the distance from the pivot perpendicular to a line drawn from the center of the bag base to the center of the cross section equals the load that is being lifted multiplied by the distance from the pivot perpendicular to the line of action of the load. The bag is designed so that the cross sectional area of the bag increases from the top of the bag, mounted to the load, to its base, whereby as the bag collapses, the top of the bag moves downwardly toward its base, folding inwardly onto itself without buckling. In addition, the present invention provides for securely mounting the bag at both ends to the thrust plates nearest to the hinge that causes the bag to effectively become a fixed end-fixed end column resulting in reduced potential for buckling. In addition, the present invention provides a separate electrically run centrifugal pump for efficiently operating the inflatable bag assembly, whereby a check valve maintains gas pressure when the pump is turned off, and allows the bag to be inflated and maintained at an intermediate position.
摘要翻译：袋促动倾斜装置，其中袋的横截面积的尺寸使得可用的压力乘以袋横截面积乘以与垂直于从袋基的中心拉出的线的距离的枢轴的距离横截面等于被提升的载荷乘以垂直于载荷作用线的枢轴的距离。袋被设计成使得袋的横截面积从安装到负载的袋的顶部增加到其底部，由此当袋的塌陷时，袋的顶部朝向其底部向下移动，向内折叠到本身没有屈曲。此外，本发明提供了将袋子的两端牢固地安装到最靠近铰链的止推板上，该推力板使袋子有效地变成固定的端部固定的端部柱，从而减小了弯曲的可能性。此外，本发明提供了一种单独的电动离心泵，用于有效地操作可膨胀袋组件，由此当泵关闭时止回阀保持气体压力，并允许袋膨胀并保持在中间位置。

2. 发明授权

US6059371A Hinge assembly for pickup trucks 失效
标题翻译：皮卡车铰链总成
公开(公告)号：US6059371A
公开(公告)日：2000-05-09
申请号：US94213
申请日：1998-06-09
申请人： Fred P. Smith , Tim E. Grosland , Todd Mendenhall
发明人： Fred P. Smith , Tim E. Grosland , Todd Mendenhall
IPC分类号： B60P1/28 , B60P1/16
CPC分类号： B60P1/283
摘要： A hinge for enabling the bed of a pick up truck to pivot is comprised of a lower hinge member having a first pin receiving portion and an inwardly extending portion adapted for connection to a truck frame. An upper hinge member has a second pin receiving portion, an inwardly extending portion adapted for connection to a truck bed, and an outwardly extending portion adapted for connection to a bumper. A pin is sized to fit within the first and second pin receiving portions for pivotally connecting the upper and lower hinge members. A portion of the upper hinge member forms a pseudo-frame to which the truck's bumper can be connected. A method of installing a hinge between a truck frame and a truck bed is also disclosed.
摘要翻译：用于使拾取车的床枢转的铰链包括具有第一销接收部分和适于连接到卡车框架的向内延伸部分的下铰链部件。上铰链构件具有第二销接收部分，适于连接到卡车底座的向内延伸部分和适于连接到保险杠的向外延伸部分。销的尺寸适于装配在第一和第二销接收部分内，用于枢转地连接上铰链构件和下铰链构件。上部铰链构件的一部分形成可以连接卡车缓冲器的伪框架。还公开了一种在卡车车架和卡车底盘之间安装铰链的方法。

3. 发明授权

US06267447B1 Inflatable bag assembly for lifting a load 失效
公开(公告)号：US06267447B1
公开(公告)日：2001-07-31
申请号：US09373818
申请日：1999-08-13
申请人： James R. Hendry , John Kowalski , Fred P. Smith , Tim E. Grosland
发明人： James R. Hendry , John Kowalski , Fred P. Smith , Tim E. Grosland
IPC分类号： B60P116
CPC分类号： B60P1/16
摘要： A bag actuated tilting device where the area of cross section of the bag is sized such that available pressure multiplied by the bag cross sectional area multiplied by the distance from the pivot perpendicular to a line drawn from the center of the bag base to the center of the cross section equals the load that is being lifted multiplied by the distance from the pivot perpendicular to the line of action of the load. The bag is designed so that the cross sectional area of the bag increases from the top of the bag, mounted to the load, to its base, whereby as the bag collapses, the top of the bag moves downwardly toward its base, folding inwardly onto itself without buckling. In addition, the present invention provides for securely mounting the bag at both ends to the thrust plates nearest to the hinge that causes the bag to effectively become a fixed end-fixed end column resulting in reduced potential for buckling. In addition, the present invention provides a separate electrically run centrifugal pump for efficiently operating the inflatable bag assembly, whereby a check valve maintains gas pressure when the pump is turned off, and allows the bag to be inflated and maintained at an intermediate position.

4. 发明授权

US5975643A Inflatable bag assembly for lifting a load 失效
标题翻译：充气袋组件用于提升负载
公开(公告)号：US5975643A
公开(公告)日：1999-11-02
申请号：US61315
申请日：1998-04-16
申请人： Fred P. Smith , John Kowalski , Tim E. Grosland , James R. Hendry
发明人： Fred P. Smith , John Kowalski , Tim E. Grosland , James R. Hendry
IPC分类号： B60P1/16
CPC分类号： B60P1/16
摘要： A bag actuated tilting device where the area of cross section of the bag is sized such that available pressure multiplied by the bag cross sectional area multiplied by the distance from the pivot perpendicular to a line drawn from the center of the bag base to the center of the cross section equals the load that is being lifted multiplied by the distance from the pivot perpendicular to the line of action of the load. The bag is designed so that the cross sectional area of the bag increases from the top of the bag, mounted to the load, to its base, whereby as the bag collapses, the top of the bag moves downwardly toward its base, folding inwardly onto itself without buckling. In addition, the present invention provides for securely mounting the bag at both ends to the thrust plates nearest to the hinge that causes the bag to effectively become a fixed end-fixed end column resulting in reduced potential for buckling. In addition, the present invention provides a separate electrically run centrifugal pump for efficiently operating the inflatable bag assembly, whereby a check valve maintains gas pressure when the pump is turned off, and allows the bag to be inflated and maintained at an intermediate position.
摘要翻译：袋促动倾斜装置，其中袋的横截面积的尺寸使得可用的压力乘以袋横截面积乘以与垂直于从袋基的中心拉出的线的距离的枢轴的距离横截面等于被提升的载荷乘以垂直于载荷作用线的枢轴的距离。袋被设计成使得袋的横截面积从安装到负载的袋的顶部增加到其底部，由此当袋的塌陷时，袋的顶部朝向其底部向下移动，向内折叠到本身没有屈曲。此外，本发明提供了将袋子的两端牢固地安装到最靠近铰链的止推板上，该推力板使袋子有效地变成固定的端部固定的端部柱，从而减小了弯曲的可能性。此外，本发明提供了一种单独的电动离心泵，用于有效地操作可膨胀袋组件，由此当泵关闭时止回阀保持气体压力，并允许袋膨胀并保持在中间位置。

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