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公开(公告)号：US5174167A
公开(公告)日：1992-12-29
申请号：US811719
申请日：1992-12-20
申请人： Jason J. Hill , Mark S. Amalfitano
发明人： Jason J. Hill , Mark S. Amalfitano
CPC分类号： F16H25/2015 , B60N2/0232 , Y10T74/18688
摘要： An improvement to a linear actuator (9) having a lead screw (15) received in a drive tube assembly (17) is provided in the form of a bushing (41) mounted on the end of the screw. The outer dimension of the bushing generally corresponds to the inner dimension of the tube. The bushing has a recess (53) formed in one face to accommodate a washer (55). A retaining ring (59) holds the bushing in place. The bushing serves both to prevent contact between the lead screw and tube to reduce noise during actuator operation, and as a positive stop to prevent disengagement of the lead screw from the drive tube assembly.
摘要翻译： 具有安装在驱动管组件（17）中的导螺杆（15）的线性致动器（9）的改进以安装在螺钉端部上的衬套（41）的形式提供。 衬套的外部尺寸通常对应于管的内部尺寸。 衬套具有形成在一个面中以容纳垫圈（55）的凹部（53）。 保持环（59）将衬套保持就位。 衬套用于防止导螺杆和管之间的接触，以减少执行器操作过程中的噪音，并且作为止挡件，以防止导螺杆与驱动管组件分离。
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公开(公告)号：US5136889A
公开(公告)日：1992-08-11
申请号：US578566
申请日：1990-09-06
申请人： Jason J. Hill , Mark S. Amalfitano
发明人： Jason J. Hill , Mark S. Amalfitano
CPC分类号： F16H25/2015 , B60N2/0232 , Y10T74/18688
摘要： An improvement to a linear actuator (9) having a lead screw (15) received in a drive tube assembly (17) is provided in the form of a bushing (41) mounted on the end of the screw. The outer dimension of the bushing generally corresponds to the inner dimension of the tube. The bushing has a recess (53) formed in one face to accommodate a washer (55). A retaining ring (59) holds the bushing in place. The bushing serves both to prevent contact between the lead screw and tube to reduce noise during actuator operation, and as a positive stop to prevent disengagement of the lead screw from the drive tube assembly.
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