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    • 1. 发明授权
    • Bi-directional damper with a self-centering mechanism
    • 具有自定心机构的双向阻尼器
    • US5896959A
    • 1999-04-27
    • US816360
    • 1997-03-13
    • Mark S. JeffriesMaurice Ladd
    • Mark S. JeffriesMaurice Ladd
    • F16F9/32F16F9/06F16F9/18F16F1/00
    • F16F9/18F16F9/06
    • A self centering, bi-directional, non-cavitating damper that includes a cylindrical damper body and a piston assembly having a piston reciprocally movable in the damper body and a piston rod connected and movable with the piston. A tube is connected with the piston rod and is spaced about and radially from the damper body so that the tube and damper body may move axially, relative to each other, but are normally positioned in centered positions with respect to each other. First and second plastic washers are positioned between the damper body and the tube. At least one coil compression spring is positioned between the damper body and the tube and biases the washers apart axially to their normal positions. Each washer is prevented from moving apart beyond its normal position, but is movable toward the other washer, against the bias of the spring, when relative movement, from their normal positions, occurs between the damper body and the tube.
    • 一种自定心的双向非空气阻尼器,包括圆柱形阻尼器主体和活塞组件,该活塞组件具有可在阻尼器本体中往复运动的活塞和活塞杆,活塞杆可与活塞连接并移动。 管与活塞杆连接并且与阻尼器主体间隔开并径向离开,使得管和阻尼器主体可以相对于彼此轴向移动,但是通常位于相对于彼此的居中位置。 第一和第二塑料垫圈位于阻尼器主体和管之间。 至少一个线圈压缩弹簧位于阻尼器主体和管之间,并将垫圈沿轴向偏压到其正常位置。 每个垫圈被阻止超出其正常位置移动,但是当相对运动从其正常位置发生在阻尼器主体和管之间时,可抵抗弹簧的偏压朝着另一个垫圈移动。
    • 2. 发明授权
    • Damper
    • 阻尼器
    • US5913391A
    • 1999-06-22
    • US780269
    • 1997-01-09
    • Mark S. JeffriesArchie L. EvansMaurice Ladd
    • Mark S. JeffriesArchie L. EvansMaurice Ladd
    • F16F9/06F16F9/19F16F9/34F16F5/00
    • F16F9/19F16F9/061F16F9/34
    • The orientation insensitive, non-cavitating differential, bi-directional damper has a tubular body defining a closed, elongated chamber that has a first end and a second end. A piston assembly is disposed in and is movable within a portion of the chamber. One end of a piston shaft is connected with the piston assembly and the other end of the shaft extends out of one end of the chamber. Another assembly is disposed in the chamber between the piston assembly and the other end of the chamber. A floating piston is disposed in the chamber and is movable in the chamber between the other assembly and the other end of the chamber. The portion of the chamber between the other end of the chamber and the floating piston is filled with gas while the remainder of the chamber is filled with fluid. The floating piston is spring biased toward the other assembly. Orifices in the piston assembly control the rate of fluid flow across the piston assembly when the piston assembly moves relatively to the tubular body. The orifices in the other assembly control the rate of fluid flow across the other assembly when the piston assembly moves relatively to the tubular body.
    • 方向不敏感的非气蚀差速双向阻尼器具有限定具有第一端和第二端的封闭细长室的管状体。 活塞组件设置在腔室的一部分中并且可在腔室的一部分内移动。 活塞轴的一端与活塞组件连接,轴的另一端从腔的一端延伸出来。 另一组件设置在活塞组件和腔室另一端之间的腔室中。 浮动活塞设置在腔室中并且可以在腔室中在另一组件和腔室的另一端之间移动。 在室的另一端和浮动活塞之间的腔室部分充满气体,而腔室的其余部分填充有流体。 浮动活塞朝向另一组件弹簧偏置。 当活塞组件相对于管状体移动时,活塞组件中的孔口控制流过活塞组件的流体流速。 当活塞组件相对于管状体移动时,另一组件中的孔口控制流过另一组件的流体流速。
    • 4. 发明授权
    • Seal for gas springs and the like
    • 气弹簧等的密封
    • US5921557A
    • 1999-07-13
    • US720954
    • 1996-10-04
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. Jeffries
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. Jeffries
    • F16F9/02F16F9/36F16J15/56F16J15/32
    • F16F9/362F16F9/0218F16J15/56
    • A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or other application. The generally annular seal body includes a number of convex sealing lobes on its radially inwardly and outwardly facing surfaces. All of the sealing lobes have a predetermined radius and project radially beyond the plane of their respective surfaces. The axial facing surfaces of the seal body are generally flat or non-concave. The seal also includes a wiper insert secured in a recess in one corner of the radially inwardly facing surface of the seal body. When the seal body is compressed between the relatively movable, annularly spaced piston rod and cylinder of a gas spring or application, the compression induced stress in the seal causes the seal body and insert to form an effective gas and oil seal.
    • 一种特别适用于气弹簧和其他高压液压和气动密封应用的密封件,其最小化来自气弹簧或其他应用的杆端的相对高压气体和润滑油的泄漏。 大致环形的密封体在其径向向内和向外的表面上包括多个凸形的密封凸角。 所有密封凸起具有预定的半径并且径向突出超出它们各自表面的平面。 密封体的轴向面是大致平坦的或非凹形的。 密封件还包括固定在密封体的径向向内的表面的一个角部的凹部中的擦拭器插入件。 当密封体在相对移动的,环形间隔的活塞杆和气体弹簧或应用的气缸之间被压缩时,密封件中的压缩诱发应力使得密封体和插入件形成有效的气体和油封。
    • 5. 发明授权
    • Seal for gas springs and the like
    • 气弹簧等的密封
    • US5895053A
    • 1999-04-20
    • US726124
    • 1996-10-04
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. JeffriesRichard M. Boyd
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. JeffriesRichard M. Boyd
    • F16F9/02F16F9/36F16J15/56F16J15/32
    • F16F9/362F16F9/0218F16J15/56
    • A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or other applications. The generally annular seal body includes a number of convex sealing lobes on its radially inwardly and outwardly facing surfaces. All of the sealing lobes have a predetermined radius and project radially beyond the plane of their respective surfaces. The axial facing surfaces of the seal body are generally flat or non-concave. The seal also includes a wiper insert secured in a recess in one corner of the radially inwardly facing surface of the seal body. When the seal body is compressed between the relatively movable, annularly spaced piston rod and cylinder, the compression induced stress in the seal causes the seal body and insert to form an effective gas and oil seal.
    • 特别适用于气弹簧和其他高压液压和气动密封应用中的密封件,并且使气体弹簧或其他应用的杆端的相对高压气体和润滑油的泄漏最小化。 大致环形的密封体在其径向向内和向外的表面上包括多个凸形的密封凸角。 所有密封凸起具有预定的半径并且径向突出超出它们各自表面的平面。 密封体的轴向面是大致平坦的或非凹形的。 密封件还包括固定在密封体的径向向内的表面的一个角部的凹部中的擦拭器插入件。 当密封体在相对移动的,环形间隔开的活塞杆和气缸之间被压缩时,密封件中的压缩引起的应力使得密封体和插入件形成有效的气体和油封。
    • 7. 发明授权
    • Seal for gas springs and the like
    • 气弹簧等的密封
    • US5921556A
    • 1999-07-13
    • US730225
    • 1996-10-15
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. Jeffries
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. Jeffries
    • F16F9/02F16F9/36F16J15/16F16J15/32F16J15/56
    • F16F9/362F16F9/0218F16F9/36F16J15/3236F16J15/56
    • A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or the other applications. The generally annular seal body includes radially inwardly and outwardly facing surfaces and non-concave axial facing surfaces. Lobes for sealing, wiping and directing enhanced forces project radially beyond the planes of the radially inwardly and outwardly facing surfaces. The seal also includes a wiper insert that has a parabolic shaped radially outwardly facing surface and a radially inwardly facing surface, and that is secured in a recess adjacent to the front corner of the seal body's radially inwardly facing surface. When the seal body is compressed for use, the compression induced stresses in the seal body result in the formation of an effective gas and oil seal because, in part, one of the corners of the insert's radially inwardly facing surface is forced against the adjacent surface of the piston rod.
    • 一种特别适用于气弹簧和其他高压液压和气动密封应用的密封件,其最大限度地减少了来自气弹簧或其它应用的杆端的相对高压气体和润滑油的泄漏。 大致环形的密封体包括径向向内和向外的表面和非凹入的轴向面对表面。 用于密封,擦拭和引导增强力的凸耳径向伸出超出径向向内和向外表面的平面。 密封件还包括具有抛物面形状的径向向外表面和径向向内表面的擦拭器插入件,并且其固定在邻近密封体径向向内表面的前角的凹部中。 当密封体被压缩使用时,密封体中的压缩引起的应力导致形成有效的气体和油封,因为部分地,插入件径向向内的表面的角部之一被迫抵靠相邻的表面 的活塞杆。
    • 9. 发明授权
    • End connector assembly
    • 端连接器组件
    • US06860670B2
    • 2005-03-01
    • US10203120
    • 2001-02-08
    • Mark S. Jeffries
    • Mark S. Jeffries
    • B60R5/04A61M39/00F16B21/07F16B21/12F16C1/14F16C11/06B60D1/06
    • F16C1/14F16C11/069F16C2361/53Y10T403/32631Y10T403/32737Y10T403/32803Y10T403/32811Y10T403/587Y10T403/7176
    • The end connector assembly (12) for a gas spring (44) enables the connector body to be connected with and disconnected from a ball (14) on the end of a ball stud (16) by relatively moving the connector body (26) and ball along a path generally parallel with the longitudinal axis of the gas spring (44) to which the connector body (26) is connected. The ball (14) enters the connector body (26) through an opening (32) in the body's front surface, that is, the surface generally perpendicular to the gas spring's longitudinal axis. A slot in the body's bottom surface, that is, the surface facing the ball (14), accommodates the shaft portion (22) of the ball stud (16), adjacent the ball (14), as the ball moves into or out of the connector body (26) through the opening (32). A retainer clip is connected with the connector body (26) and is selectively movable between a first or open position where the ball may be admitted into or withdrawn from the connector body (26) and a second or closed position where the ball is secured within the connector body by the retainer clip (62).
    • 用于气体弹簧(44)的端部连接器组件(12)使得连接器主体能够通过相对移动连接器主体(26)和与球头螺栓(16)的端部上的球体(14)连接和断开, 大致平行于连接器主体(26)连接到气弹簧(44)的纵向轴线的路径。 球(14)通过主体前表面中的开口(32),即大致垂直于气弹簧的纵向轴线的表面进入连接器主体(26)。 当球体移入或移出时,身体的底面中的槽,即面对球体(14)的表面容纳球头螺栓(16)的轴部分(22),邻近球体(14) 连接器主体(26)穿过开口(32)。 保持夹与连接器主体(26)连接,并且可选择性地在第一或打开位置之间移动,其中球可被允许进入或从连接器主体(26)中取出,并且第二或闭合位置可以在球内固定 所述连接器主体通过所述保持夹(62)。
    • 10. 发明授权
    • Method of manufacturing gas springs
    • 制造气弹簧的方法
    • US06425279B1
    • 2002-07-30
    • US09744287
    • 2001-04-02
    • Mark S. Jeffries
    • Mark S. Jeffries
    • B21D1502
    • F16F9/3235B21C37/20B21C37/202B21H7/187F16F9/0218F16F9/3207F16F9/346
    • The method includes making a fluid communication channel (44), which has a selectively variable cross-sectional area profile, in the inner face of a gas spring cylinder (32) so as to permit fluid communication at different selective rates bypassing around or across the piston assembly (68) of the gas spring (52)as the piston assembly (68) moves within the cylinder (32). Preferably the cross-sectional area profile of the fluid communication channel (44) is initially substantially the same throughout the length of the channel(44) and is thereafter selectively changed in certain portions of the channel (44) so as to restrict and in some instances block gas or fluid flow through the fluid communication channel (44).
    • 该方法包括在气弹簧缸(32)的内表面中形成具有可选择的可变截面区域轮廓的流体连通通道(44),以便允许以不同的选择速率流体连通,绕过或跨越 当活塞组件(68)在气缸(32)内移动时,气弹簧(52)的活塞组件(68)。 优选地,流体连通通道(44)的横截面面积轮廓最初在通道(44)的整个长度上基本相同,并且此后在通道(44)的某些部分中选择性地改变,以限制和在一些 实例阻止气体或流体流过流体连通通道(44)。