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    • 1. 发明授权
    • Method of making railway car brake-rod jaw
    • 制作铁路车辆制动杆颚的方法
    • US4274277A
    • 1981-06-23
    • US77097
    • 1979-09-19
    • Roland E. Cale
    • Roland E. Cale
    • B21K1/74B21K7/14B61H13/38G05G1/04
    • G05G1/04B21K1/74B21K7/14B61H13/38
    • Metal stock is forged into a blank consisting of a rod-like shank joined at one end to the inner ends of a pair of forks having enlarged flattened outer ends projecting laterally of the forks in the same direction and provided with pin-receiving openings. One fork is aligned with the shank and the other fork extends laterally away from the shank and then outwardly, with its enlarged end projecting toward the other fork. Both forks are then twisted in the same direction to turn their flattened ends approximately 45.degree. into spaced parallel planes, and the longer fork is bent to move its flattened end into a position in which its opening is axially aligned with the opening in the other enlarged end.
    • 金属坯料被锻造成坯料,其由一端连接到一对叉的内端的杆状柄部组成,其具有在相同方向上横向突出的叉的扩大的扁平外端并且设置有销接收开口。 一个叉与柄对准,另一个叉横向延伸离开柄,然后向外延伸,其扩大端向另一个叉突出。 然后将两个叉子沿相同方向扭转,将它们的平坦端部大约45度转动成间隔开的平行平面,并且较长的叉子被弯曲以将其扁平的端部移动到其开口与另一个放大的开口轴向对准的位置 结束。
    • 2. 发明授权
    • Upsetting dies
    • 套装
    • US3735626A
    • 1973-05-29
    • US3735626D
    • 1972-06-14
    • SCHAEFER EQUIP
    • CALE R
    • B21J9/06B21J13/02B21K7/14B21D19/10
    • B21K7/14B21J9/06B21J13/025
    • A pair of die holders normally engage the opposite sides of a plate between them and are provided with recesses facing the plate and extending lengthwise of it, with the wall of each recess opposite the plate sloping outwardly away from the plate from front to back. Slidably mounted in each recess for movement lengthwise of it is a die that has a sliding face engaging the sloping wall of the recess and has an opposite face provided with a channel open at its rear end for receiving the heated end portion of wide thin stock. One of the channels has less depth than the other and extends farther forward. Means are provided for pushing the die with the shallower channel rearwardly to upset the stock in it, after which the upset stock is transferred to the channel in the other die which is then pushed rearwardly to further upset the stock to make it still thicker.
    • 一对模具座通常与它们之间的板的相对侧接合,并且设置有面向板并且纵向延伸的凹槽,每个凹部的壁相对于板向前远离板从前向后倾斜。 滑动地安装在每个凹槽中用于纵向移动的模具是具有接合凹部的倾斜壁的滑动面的模具,并且具有设置有在其后端开口的通道的相对面,用于接收宽薄料的加热端部。 其中一个渠道的深度比另一个渠道更远,更远。 提供了用于将较浅的通道向后推动的模具以使其中的坯料镦粗,然后将镦粗材料转移到另一个模具中的通道中,然后将其向后推动以进一步镦粗坯料使其更厚。