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    • 1. 发明授权
    • Tamper deterrent assembly
    • 篡改威慑集会
    • US4883295A
    • 1989-11-28
    • US106360
    • 1987-10-09
    • David A. Kesselman
    • David A. Kesselman
    • E05B67/36G01F15/00
    • G01F15/007E05B67/365Y10T292/48Y10T70/8243
    • A tamper deterrent assembly which is molded of plastic material and includes a body member with an enclosed locking space having an open end. The open end is closed by a closure member mounted on the body member and movable toward a closed end of the locking space. The closure member is normally retained on the body member in a first position and may be moved to a locking position where a strip engaging unit carried by the closure member is received and locked by a locking unit. The locking unit may be carried by an elongated locking strip which is inserted into the locking chamber through a strip receiving slot in the body, or the strip engaging unit may pass through the locking strip and engage a locking unit carried on an end wall of the body.
    • 一种由塑料材料模制并包括具有封闭的锁定空间的主体构件的篡改威慑组件,其具有开口端。 开口端由安装在主体构件上的封闭构件封闭,并且朝向锁定空间的封闭端移动。 闭合构件通常在第一位置处保持在主体构件上,并且可以移动到锁定位置,在该位置,由闭合构件承载的条接合单元被锁定单元接收并锁定。 锁定单元可以由细长的锁定条带承载,该条带通过主体中的条带接收槽插入到锁定室中,或者带状接合单元可以穿过锁定条并且接合承载在锁定单元的端壁上的锁定单元 身体。
    • 3. 发明授权
    • Reservoir reducing screw tip
    • 水箱减压螺丝头
    • US06957953B2
    • 2005-10-25
    • US10368417
    • 2003-02-20
    • Earle L. EllisRoy N. KrohnDavid A. Kesselman
    • Earle L. EllisRoy N. KrohnDavid A. Kesselman
    • B29C47/60B29C47/38
    • B29C47/0825B29C47/0023B29C47/60
    • An extruder for extruding extrudate is provided and includes a generally cylindrical barrel portion having an end face. A screw conveyor is rotatably arranged coaxially within the barrel portion and has a downstream end. The screw conveyor has helical flights that define a first flow path with the barrel for the extrudate. The first flow path has a first cross-sectional area. An adapter is arranged on the end face of the barrel portion and defines an exit portion of the extruder. A screw tip is secured to the downstream end of the screw conveyor and extends into the adapter. The screw tip and the adapter define a second flow path for the extrudate with a second cross-section area being at least as large as the first cross-sectional area.
    • 提供了用于挤出挤出物的挤出机,并且包括具有端面的大致圆柱形的筒部。 螺旋输送机同轴地可旋转地布置在筒部内并具有下游端。 螺旋输送机具有螺旋形螺旋,其具有与用于挤出物的筒相对应的第一流动路径。 第一流路具有第一横截面积。 适配器布置在筒部的端面上并限定挤出机的出口部分。 螺钉尖端固定到螺旋输送机的下游端并延伸到适配器中。 螺杆尖端和适配器限定挤出物的第二流动路径,其中第二横截面面积至少与第一横截面面积一样大。
    • 7. 发明授权
    • Tamper proof anchor bolt assembly
    • 防撬锚栓组件
    • US5228250A
    • 1993-07-20
    • US923506
    • 1992-08-03
    • David A. Kesselman
    • David A. Kesselman
    • F16B31/02F16B41/00
    • F16B41/005F16B31/021Y10S411/91
    • The tamper proof anchor bolt assembly includes a frangible nut assembly and a tamper resistant skirt attached to one end of an expandable anchor bolt device. An expandable anchoring means attached to the other end of the anchoring device expands to create a secure connection between the anchor bolt and a supporting structure in response to the application of torque to the frangible nut assembly. The frangible nut assembly includes a frangible connection which ruptures at a predetermined torque corresponding to the secure connection. The tamper resistant skirt is rotatably positioned around the entire periphery of the remaining frangible nut assembly to prevent a tool from upsetting the secure connection by applying a gripping force to the anchor bolt device.
    • 防窜改锚栓组件包括易碎的螺母组件和附接到可膨胀的锚栓装置的一端的防窜改裙。 附接到锚固装置的另一端的可膨胀锚固装置膨胀以响应于向易碎螺母组件施加扭矩而在锚定螺栓和支撑结构之间形成牢固的连接。 易碎螺母组件包括以对应于安全连接的预定转矩破裂的易碎连接。 防撬裙部围绕剩余的脆性螺母组件的整个周边可旋转地定位,以防止工具通过向锚定螺栓装置施加夹紧力而使安全连接镦锻。
    • 8. 发明授权
    • Torque limiting device for use with bone penetrating pins
    • 用于骨穿刺针的扭矩限制装置
    • US4838264A
    • 1989-06-13
    • US86709
    • 1987-08-18
    • Paul W. BremerDavid A. Kesselman
    • Paul W. BremerDavid A. Kesselman
    • A61B6/12A61B17/88A61B19/00
    • A61B17/8875A61B6/12A61B90/14A61B2017/00902A61B2090/031A61B2090/037Y10S606/907Y10S606/916
    • A bone penetrating pin for medical use includes, in one embodiment, a shank provided at one end with a bone penetrating element of titanium or single crystal alumina ceramic material, and a driving head at the other end. A removable cap is applied to the driving end, the cap including upper and lower cylindrical portions of substantially identical diameters interconnected by an intermediate portion of substantially smaller diameter. The upper portion is formed with oppositely extending arms for application of torque through the cap to the shank and bone penetrating element. The intermediate portion of the cap is designed to fail in shear upon the application of torque in excess of a predetermined maximum; that is, it provides a torque limiting function. In another embodiment, the torque applying and limiting means are in the form of a tool assembly comprising a shank engageable with one end of a bone penetrating pin, and a cap slidable with respect to the shank, wherein a torque limiting insert is receivable between the cap and the shank to drivingly couple the two. More specifically, the tool of this second embodiment includes an elongated shank provided with a pin fastener engaging tip at one end and a first socket formed at the other end. A torque applying device is slidably mounted with respect to the shank, and includes a second socket substanially aligned with the first socket. A torque limiting insert is receivable within the first and second sockets to couple the torque applying device and the pin engaging shank.
    • 用于医疗用途的骨穿刺针在一个实施例中包括在一端设置有钛或单晶氧化铝陶瓷材料的骨穿透元件的柄,在另一端设置有驱动头。 可拆卸的盖子被施加到驱动端,帽子包括具有基本上相同直径的上部和下部圆柱形部分,其通过基本上较小直径的中间部分互连。 上部形成有相对延伸的臂,用于通过帽施加扭矩到柄和骨穿透元件。 盖的中间部分被设计成在施加超过预定最大值的扭矩时不能剪切; 也就是说,它提供了一个扭矩限制功能。 在另一个实施例中,扭矩施加和限制装置是工具组件的形式,其包括可与骨穿刺销的一端接合的柄以及可相对于柄可滑动的帽,其中扭矩限制插入物可在 帽和小腿快速夫妇两人。 更具体地,该第二实施例的工具包括在一端设置有销紧固件接合末端的细长柄和在另一端形成的第一插座。 扭矩施加装置相对于柄可滑动地安装,并且包括与第一插座基本对齐的第二插座。 扭矩限制插入件可接收在第一和第二插座内以联接扭矩施加装置和销接合柄。