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公开(公告)号：US07588234B2
公开(公告)日：2009-09-15
申请号：US10627034
申请日：2003-07-24
Applicant: Michael L. Crabtree
Inventor： Michael L. Crabtree
IPC: F16F9/04
CPC classification number: F16F9/0409
Abstract: An air spring sleeve. The sleeve comprises an elastomer body having two plies. Each ply comprises a cord embedded in the elastomer body. Each cord is wound about the sleeve in an opposing direction from the other and each having a helix angle. The first cord helix angle and the second cord helix angle comprise a cord differential helix angle. The first or inner cord helix angle is greater than a second or outer cord helix angle. The cord differential helix angle is in the range of approximately 0° to 2.5°.
Abstract translation: 空气弹簧套。 套筒包括具有两层的弹性体。 每个帘布层包括嵌入弹性体中的帘线。 每条绳索以相反的方向围绕套筒缠绕，并且每根绳索具有螺旋角。 第一帘线螺旋角和第二绳螺旋角包括帘线差动螺旋角。 第一或内线螺旋角大于第二或外线螺旋角。 线差分螺旋角在大约0°至2.5°的范围内。
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公开(公告)号：US06386523B1
公开(公告)日：2002-05-14
申请号：US09587602
申请日：2000-06-05
Applicant: Michael L. Crabtree , Richard F. Stieg
Inventor： Michael L. Crabtree , Richard F. Stieg
IPC: F16F904
CPC classification number: H04L29/06 , B60G2206/424 , F16F9/05 , F16F9/057
Abstract: An air spring of the type with a sleeve having a first rolling lobe connected at an end to a first piston, a second rolling lobe connected to an end to a second piston, and where the first piston is substantially frustoconical and the second piston is substantially cylindrical and where the minimum effective area of the first piston is less than the minimum effective area of the second piston and where the maximum effective area of the first piston is greater than the maximum effective area of the second piston. The frustoconical first piston allows the air spring to accommodate large angular suspension motion without degrading durability.
Abstract translation: 一种具有套筒的空气弹簧，其具有连接到第一活塞的一端的第一滚动波瓣，连接到第二活塞的端部的第二滚动波瓣，并且其中第一活塞基本上是截头圆锥形的，并且第二活塞基本上是 并且其中第一活塞的最小有效面积小于第二活塞的最小有效面积，并且其中第一活塞的最大有效面积大于第二活塞的最大有效面积。 截头圆锥形的第一活塞允许空气弹簧适应大角度悬挂运动而不降低耐久性。
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公开(公告)号：US07967280B2
公开(公告)日：2011-06-28
申请号：US11552397
申请日：2006-10-24
Applicant: Michael L. Crabtree
Inventor： Michael L. Crabtree
IPC: F16F9/04
Abstract: An air spring including a spring seat, and a flexible sleeve connected to the spring seat. The flexible sleeve forms a compression chamber and includes a lobe that rolls along a surface of the spring seat during compression of the flexible sleeve. An annular barrier is disposed on the spring seat between the lobe of the flexible sleeve and the surface of the spring seat to deflect debris and ice from becoming lodged or trapped in the spring seat that may damage the flexible sleeve.
Abstract translation: 包括弹簧座的空气弹簧和连接到弹簧座的柔性套筒。 柔性套管形成压缩室并且包括在柔性套筒的压缩期间沿着弹簧座的表面滚动的凸角。 在柔性套管的凸缘和弹簧座的表面之间的弹簧座上设置环形阻挡件，以使碎片和冰不会变形或夹在弹簧座上，从而可能损坏柔性套筒。
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公开(公告)号：US20080106013A1
公开(公告)日：2008-05-08
申请号：US11552397
申请日：2006-10-24
Applicant: Michael L. Crabtree
Inventor： Michael L. Crabtree
IPC: F16F9/04
Abstract: An air spring including a spring seat, and a flexible sleeve connected to the spring seat. The flexible sleeve forms a compression chamber and includes a lobe that rolls along a surface of the spring seat during compression of the flexible sleeve. An annular barrier is disposed on the spring seat between the lobe of the flexible sleeve and the surface of the spring seat to deflect debris and ice from becoming lodged or trapped in the spring seat that may damage the flexible sleeve.
Abstract translation: 包括弹簧座的空气弹簧和连接到弹簧座的柔性套筒。 柔性套管形成压缩室并且包括在柔性套筒的压缩期间沿着弹簧座的表面滚动的凸角。 在柔性套管的凸缘和弹簧座的表面之间的弹簧座上设置环形阻挡件，以使碎片和冰不会变形或夹在弹簧座上，从而可能损坏柔性套筒。
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公开(公告)号：US06902155B1
公开(公告)日：2005-06-07
申请号：US10666651
申请日：2003-09-17
Applicant: Michael L. Crabtree
Inventor： Michael L. Crabtree
CPC classification number: F16F9/057
Abstract: A side load compensating air spring piston having an elliptical cross-section. The side load compensating air spring comprises an air spring sleeve forming a chamber and having a rolling lobe. One end of the sleeve is attached to a tilted end cap for side load compensation. The other end of the sleeve has a rolling lobe engaged with a piston elliptical outer surface. The piston elliptical outer surface is disposed at a 90° angle to an elliptical stress distribution in the sleeve, thereby rendering the stress distribution uniform in the sleeve rolling lobe portion as it rolls on the piston.
Abstract translation: 具有椭圆截面的侧负荷补偿空气弹簧活塞。 侧负载补偿空气弹簧包括形成腔室并具有滚动凸角的空气弹簧套筒。 套筒的一端连接到倾斜端盖，用于侧面负载补偿。 套筒的另一端具有与活塞椭圆形外表面接合的滚动凸角。 活塞椭圆形外表面与套筒中的椭圆应力分布成90度角，从而使套筒滚动凸起部分在活塞上滚动时的应力分布均匀。
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Patent Agency Ranking
公开(公告)号：US5752692A
公开(公告)日：1998-05-19
申请号：US779875
申请日：1997-01-06
Applicant: Michael L. Crabtree , Richard F. Stieg
Inventor： Michael L. Crabtree , Richard F. Stieg
CPC classification number: F16F9/0454 , B60G15/14 , F16F9/096 , B60G2202/314 , B60G2204/128 , B60G2204/41 , Y10S280/01
Abstract: A telescopic strut for a vehicle suspension of the airspring type with a flexible sleeve forming a chamber portion and a rolling lobe portion. The chamber portion is attached to a tilted closure and the rolling lobe portion of the airsleeve is attached to a piston that is transversely moved which introduces a shear force into the airsleeve and increases a surface area on an upward tilted side of the sleeve so as to provide side load compensation and where the axial length of the rolling lobe is substantially equalized to enhanced flexural life.
Abstract translation: 一种用于空弹类型的车辆悬架的可伸缩支柱，其具有形成腔室部分的柔性套筒和滚动凸起部分。 室部分附接到倾斜的闭合件，并且空气的滚动凸起部分附接到横向移动的活塞，该活塞将剪切力引入空气中，并增加套筒向上倾斜侧的表面积，从而 提供侧向负载补偿，并且滚动轴的轴向长度基本上与增强的弯曲寿命相等。
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公开(公告)号：US4954194A
公开(公告)日：1990-09-04
申请号：US197376
申请日：1988-05-23
Applicant: Michael L. Crabtree
Inventor： Michael L. Crabtree
CPC classification number: F16F9/0409 , B29C53/665 , B29C70/207 , F16J3/06 , B29L2023/00 , B29L2031/774
Abstract: A method for making an Airspring and Sleeve that each have a chamber portion and rolling lobe portion reinforced with successive layers of embedded cord by winding cord in one layer at opposite helical angles from cord of a second successive layer and winding cord at inconstant helical angles in an annular band portion of at least one of the sleeve portions.
Abstract translation: 一种用于制造空气弹簧和套筒的方法，每个都具有腔室部分和滚动凸起部分，其具有连续的嵌入帘线层，通过以相对的螺旋角将帘线缠绕在一层中，与第二连续层的绳索和绕组线以不同的螺旋角度 至少一个套筒部分的环形带部分。
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公开(公告)号：US20120098173A1
公开(公告)日：2012-04-26
申请号：US12912415
申请日：2010-10-26
Applicant: Michael L. Crabtree
Inventor： Michael L. Crabtree
IPC: F16F9/05
CPC classification number: F16F9/05 , F16F9/0463
Abstract: An air spring including a piston, and a flexible sleeve connected to the piston. The flexible sleeve forms a compression chamber and includes a lobe that rolls along a surface of the piston during compression of the flexible sleeve. The flexible sleeve is connected to the piston by an inverted crimp connection. A crimp ring used providing the inverted crimp connection includes a rebound travel limiter around which the lobe is formed.
Abstract translation: 包括活塞的空气弹簧和连接到活塞的柔性套筒。 柔性套筒形成压缩室，并且包括在压缩柔性套筒期间沿着活塞的表面滚动的凸角。 柔性套筒通过反向压接连接到活塞上。 使用提供反转卷曲连接的压接环包括形成凸角的回弹行程限制器。
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公开(公告)号：US5918863A
公开(公告)日：1999-07-06
申请号：US979004
申请日：1997-11-26
Applicant: Michael L. Crabtree , Richard F. Stieg
Inventor： Michael L. Crabtree , Richard F. Stieg
CPC classification number: F16F9/0454 , B60G15/14 , F16F9/096 , B60G2202/314 , B60G2204/128 , B60G2204/41 , Y10S280/01
Abstract: A vehicle suspension with an airspring of the type with a flexible sleeve forming a chamber portion and a rolling lobe portion. The chamber portion is attached to a tilted closure and the rolling lobe portion of the airsleeve is attached to a piston that is transversely moved which introduces a shear force into the airsleeve and increases a surface area on an upward tilted side of the sleeve so as to provide side load compensation and where the axial length of the rolling lobe is substantially equalized to enhanced flexural life. A method of imparting a side load force with an airspring fastened between a fixed member and reciprocating member of a vehicle suspension, is provided by tilting a closure member of the airspring, transversely moving a piston connected to a rolling lobe portion of the airspring while distorting a chamber portion of the airspring, and eccentrically offsetting the piston in a manner that tends to equalize an axial length of a rolling lobe.
Abstract translation: 一种具有类型的空气弹簧的车辆悬架，其具有形成腔室部分的柔性套筒和滚动凸起部分。 室部分附接到倾斜的闭合件，并且空气的滚动凸起部分附接到横向移动的活塞，该活塞将剪切力引入空气中，并增加套筒向上倾斜侧的表面积，从而 提供侧向负载补偿，并且滚动轴的轴向长度基本上与增强的弯曲寿命相等。 通过使弹簧的封闭构件倾斜来横向移动连接到空弹簧的滚动凸起部分的活塞，同时变形，从而提供固定在车辆悬架的固定构件和往复运动构件之间的空气弹簧的侧向载荷力的方法 空气弹簧的腔室部分，并且以倾向于使滚动叶片的轴向长度均衡的方式偏心地偏移活塞。
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公开(公告)号：US4763883A
公开(公告)日：1988-08-16
申请号：US32212
申请日：1987-03-30
Applicant: Michael L. Crabtree
Inventor： Michael L. Crabtree
CPC classification number: F16F9/0409 , B29C53/665 , B29C70/207 , F16J3/06 , B29L2023/00 , B29L2031/774
Abstract: An airspring sleeve and airspring that each have a chamber portion and rolling lobe portion reinforced with successive layers of embedded cord where cord in one layer is wound at opposite helical angles from cord of a second successive layer and where the cord is wound at inconstant helical angles in an annular band portion of least one of the sleeve portions.
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