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1. 发明授权

US4761869A Bar-type puller 失效
标题翻译：棒式拉杆
公开(公告)号：US4761869A
公开(公告)日：1988-08-09
申请号：US64681
申请日：1987-06-22
申请人： Gerald E. Barry , James L. Sandberg
发明人： Gerald E. Barry , James L. Sandberg
IPC分类号： B25B27/02 , B25B27/073 , B23P19/04
CPC分类号： B25B27/023 , Y10T29/5387
摘要： A bar-type puller having a cross block with a central section and a pair of end sections with a forcing screw threadably mounted in the central section. A pair of work-engaging members, such as pulling jaws, can be radially and axially adjustably mounted on the cross block by end sections of the cross block having spaced-apart arms to define spaces therebetween which receive the work-engaging members for infinite lateral adjustment along the arms. The work-engaging members have spaced-apart pins which span the top and bottom of the arms, with a slight clearance to facilitate lateral adjustment. The pins are caused to move into binding relation with the cross block when the work-engaging members are under load to lock the members in radially adjusted position. There is also provision for axial adjustment by providing additional spaced pins on the work-engaging members providing an alternate mounting location for the members to the cross block.
摘要翻译：一种具有中央部分的十字块和一对端部的杆式拉拔器，其具有螺纹地安装在中心部分中的强制螺纹。一对工件接合构件，例如拉颚，可以径向和轴向地可调节地安装在十字块上，具有间隔开的臂的十字块的端部，以在其间限定空间，其间接收用于无限侧面的工件接合构件沿着武器调整。工件接合构件具有跨越臂的顶部和底部的间隔开的销，具有小的间隙以便于侧向调节。当工件接合构件承受负载以将构件锁定在径向调整位置时，引脚被引入与十字块的结合关系。通过在工件接合构件上提供额外的间隔开的销，还提供用于轴向调节的构件，为构件提供交叉块的替代安装位置。

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