Joint structure for connecting hollow members
    1.
    发明授权
    Joint structure for connecting hollow members 失效
    用于连接中空构件的接头结构

    公开(公告)号:US4579374A

    公开(公告)日:1986-04-01

    申请号:US458185

    申请日:1983-01-17

    申请人: Michael G. Bell

    发明人: Michael G. Bell

    IPC分类号: F16L23/08 F16L23/16 F16L21/06

    CPC分类号: F16L23/08 F16L23/162

    摘要: A joint structure between two pipes includes hollow members, one on each pipe, and a clamp embracing the hollow members. Each hollow member has a lip at its end which is adjacent to the other hollow member and the lips are held in mutual engagement by the clamp.

    摘要翻译: 两个管之间的接头结构包括中空构件,每个管上一个,以及包围中空构件的夹具。 每个中空构件的端部具有与另一个中空构件相邻的端部,并且唇部通过夹具保持相互接合。

    Method and apparatus for heat treating
    2.
    发明授权
    Method and apparatus for heat treating 失效
    热处理方法和装置

    公开(公告)号:US4179316A

    公开(公告)日:1979-12-18

    申请号:US843141

    申请日:1977-10-17

    摘要: This invention relates to a method and apparatus for surface hardening metals by means of a concentrated beam of electrons. The electron beam is directed and focused to a desired spot on the surface of the said workpiece and is caused to move incrementally from one to the next of a predetermined pattern of points on the work surface. The beam is directed to each point in turn for a predetermined length of time and moved from point to point at a relatively rapid rate. The pattern is projected over the desired surface of the work a predetermined number of times so that the material to be heat treated is brought above the transformation temperature and maintained below the melting temperature by close control of the electron beam parameters. A programmable computer retains in its memory a number of predetermined displacement patterns for the electron beam and controls all the electron beam gun parameters and all machine functions.

    摘要翻译: 本发明涉及通过浓缩的电子束对金属表面硬化的方法和装置。 电子束被引导并聚焦到所述工件的表面上的所需点上,并且使其在工作表面上的预定的点图案的一个到另一个逐渐移动。 光束依次被引导到每个点预定的时间长度,并以相对较快的速率从点到点移动。 将图案投影到工件的期望表面上预定次数,使得待热处理的材料通过密切控制电子束参数而达到高于转变温度并保持在熔融温度以下。 可编程计算机在其存储器中保留用于电子束的多个预定位移模式并控制所有电子束枪参数和所有机器功能。

    Trailer safety hitch
    3.
    发明授权
    Trailer safety hitch 失效
    拖车安全搭便车

    公开(公告)号:US06199891B1

    公开(公告)日:2001-03-13

    申请号:US09175917

    申请日:1998-10-20

    IPC分类号: B60T712

    摘要: A safety connector for securing a trailer to a towing vehicle having a trailer hitch mounting member. The safety connector includes a trailer hitch adapted to be secured to the trailer hitch mounting member of the towing vehicle. The trailer hitch has a lower portion adapted to extend a distance below the trailer hitch mounting member when the trailer hitch is secured to the trailer hitch mounting member. A spool is connected to the lower portion of the trailer hitch such that the spool is positionable below the trailer hitch mounting member. The spool has a first shoulder portion spaced a distance away from the trailer hitch mounting member, and a medial portion positioned in between the first shoulder portion and trailer hitch mounting member. The medial portion has a diameter less than the diameter of the first shoulder portion. A base plate is connectable to the trailer. The base plate has a thickness less than a length of the medial portion, and a slot formed therethrough. The slot has a width less than the diameter of the first shoulder portion of the spool but greater than the diameter of the medial portion of the spool, and a length greater than the diameter of the medial portion of the spool whereby the base plate is freely slidable along and rotatable about the medial portion of the spool.

    摘要翻译: 一种用于将拖车固定到具有拖车搭接构件的牵引车辆的安全连接器。 安全连接器包括适于固定到牵引车辆的拖车牵引安装构件的拖车牵引装置。 拖车牵引具有下部,当拖车牵引被固定到拖车牵引装置构件上时,该下部适于延伸到拖车搭接构件的下方的距离。 卷轴连接到拖车牵引车的下部,使得卷轴可定位在拖车搭接部件下方。 卷轴具有与拖车搭接件安装部件间隔开一段距离的第一肩部部分和位于第一肩部部分和拖车牵引挂钩部件之间的中间部分。 内侧部分的直径小于第一肩部的直径。 底盘可连接到拖车。 基板的厚度小于中间部分的长度,以及形成在其中的槽。 狭槽的宽度小于卷轴的第一肩部的直径,但大于卷轴的中间部分的直径,并且长度大于卷轴的中间部分的直径,由此底板是自由的 可绕线轴的中间部分滑动并可旋转。

    Position sensing and signaling system

    公开(公告)号:US5808540A

    公开(公告)日:1998-09-15

    申请号:US506090

    申请日:1995-11-20

    摘要: In a biofeedback device adapted for sensing position of the Transverse Abdominis Muscle (TAM) on small excursions of the abdominal wall including a sensor which changes resistance on a change in dimension thereof in any direction. The sensor element includes a plurality of interlaced electrodes in juxtaposition with a resilient antistatic device. A particular implementation is in the form of a two pole sensor incorporated into a bio-feedback monitor. The sensor is physically attached to the monitor which can be worn on the belt or at or near the waist line. A lever on the back of the monitor rests against the body and engages the sensor comprising a variable resistance foam component. Pressure exerted against the lever, when the TAM is relaxed causes a change in the resistance which energizes the electrical circuit above a given threshold and causes a variable pitch sound to be generated or alternatively drives an electrical vibrator motor at a variable speed. The variation in pitch or vibrator speed is directly related to the amount of pressure exerted on the lever. Thus the wearer of the device can pull in the TAM and eliminate the signal or the vibration and thereby improve his or her general physical condition. The biofeedback device is adapted so that the lever may be bypassed or removed and a variety of different types of anti-static foam sensors may attached or otherwise interconnected to the electrical circuit in place of the lever to be utilized for other purposes. One of these is a constrictor muscle sensor which may be used to sense pressure exerted when exercising such muscles. Other forms of the devices contemplated by this invention, the sensor may comprise a plurality of electrodes connected to a plurality of poles to measure changes in pressure at different locations or in a different dimension. Another feature of the invention is that the sensor is also adapted to sense a change in humidity and thus may be used as a mask or places in close proximity to a changing humidity such as in the path of a patients breathing so that changes in inhaling or exhaling may be monitored.

    Locator and clamping means for a jig fixture
    5.
    发明授权
    Locator and clamping means for a jig fixture 失效
    夹具夹具的定位器和夹紧装置

    公开(公告)号:US4928939A

    公开(公告)日:1990-05-29

    申请号:US389167

    申请日:1989-08-03

    IPC分类号: B23Q1/48 B23Q3/10 B23Q16/00

    摘要: A locator and clamping means, for accurately locating and securing a workpiece onto the flat workplate or bed of a machining tool wherein the bed is of the type having a plurality of spaced grooves with one set disposed at right angles to another set, consists of jig into which the workpiece is secured and which has a flat surface wherein three accurately positioned non-aligned holes are located and consists of dowels removably secured within said respective holes and protruding therefrom. In addition, three apertured keys are slidably disposed within the grooves in the bed so that each key is capable of receiving one dowel. To facilate the insertion of each dowels into a respective aperture, the dowels are tapered and each aperture in the respective key is congruent to the taper. Then, when the three dowels engage the three keys, the jig and, in turn, the workpiece is acturately positioned on and secured to the bed.

    摘要翻译: 一种定位器和夹紧装置,用于将工件精确地定位和固定到加工工具的平面工作台或床上,其中床具有多个间隔开的槽,一组与另一组成直角设置, 工件被固定到其中并且具有平坦表面,其中三个精确定位的不对准的孔被定位并且由可拆卸地固定在所述相应的孔中并从其突出的销组成。 此外,三个有孔键可滑动地设置在床中的凹槽内,使得每个键能够接收一个定位销。 为了使每个销钉插入到相应的孔中,销钉是锥形的,并且各个钥匙中的每个孔与锥形一致。 然后,当三个定位销接合三个键时,夹具又反过来将工件活动地定位在床上并固定到床上。