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1. 发明授权

US06848290B2 Stock lifter for metal forming dies and method for making the same 有权
标题翻译：金属成形模具的升降机及其制造方法
公开(公告)号：US06848290B2
公开(公告)日：2005-02-01
申请号：US10268477
申请日：2002-10-10
申请人： Joel T. Pyper , John K. Pyper , Scott M. Breen , Charles T. Brown , Jeffery S. Pyper
发明人： Joel T. Pyper , John K. Pyper , Scott M. Breen , Charles T. Brown , Jeffery S. Pyper
IPC分类号： B21D35/00 , B21D37/08 , B21D45/00 , B21D43/05
CPC分类号： B21D37/08 , B21D35/00 , B21D45/00 , Y10T29/49826
摘要： A self-contained stock lifter is particularly adapted for use in multiple station, progressive metal forming dies and the like, and includes a base plate with two vertical through holes adjacent opposite sides, and a vertical spring unit aperture located between the through holes. The stock lifter also includes a lifter bar having two vertical through holes in vertical registry with the base plate through holes. Two rigid guide shafts are mounted in the base plate through holes to permit the lifter bar to reciprocate in a manner which selectively lifts stock in the die to permit longitudinal shifting of the stock along the multiple die stations. A spring unit has a base retained in the spring unit aperture, and a reciprocating rod biased outwardly, with a free end abutting a central portion of the lifter bar to shift the lifter bar to an extended position, thereby defining a fully self-contained unit that can be readily mounted in and removed from the die to reduce manufacturing and repair costs.
摘要翻译：独立式的升降机特别适用于多工位，渐进金属成型模具等，并且包括具有相邻侧面的两个垂直通孔的基板和位于通孔之间的垂直弹簧单元孔。升降机还包括具有与基板通孔垂直对准的两个垂直通孔的升降杆。两个刚性导向轴通过孔安装在基板中，以允许升降杆以选择性地提升模具中的坯料的方式往复运动，以允许坯料沿着多个模具台进行纵向移动。弹簧单元具有保持在弹簧单元孔中的基部和向外偏压的往复式杆，其自由端邻接升降杆的中心部分，以将升降杆移动到延伸位置，由此限定完全独立的单元其可以容易地安装在模具中并从模具中移除以降低制造和维修成本。

2. 发明授权

US07024910B2 Stock lifter for metal forming dies and method for making the same 有权
标题翻译：金属成形模具的升降机及其制造方法
公开(公告)号：US07024910B2
公开(公告)日：2006-04-11
申请号：US11018305
申请日：2004-12-21
申请人： Joel T. Pyper , John K. Pyper , Scott M. Breen , Charles T. Brown , Jeffery S. Pyper
发明人： Joel T. Pyper , John K. Pyper , Scott M. Breen , Charles T. Brown , Jeffery S. Pyper
IPC分类号： B21D43/05
CPC分类号： B21D37/08 , B21D35/00 , B21D45/00 , Y10T29/49826
摘要： A self-contained stock lifter is particularly adapted for use in multiple station, progressive metal forming dies and the like, and includes a base plate with two vertical through holes adjacent opposite sides, and a vertical spring unit aperture located between the through holes. The stock lifter also includes a lifter bar having two vertical through holes in vertical registry with the base plate through holes. Two rigid guide shafts are mounted in the base plate through holes to permit the lifter bar to reciprocate in a manner which selectively lifts stock in the die to permit longitudinal shifting of the stock along the multiple die stations. A spring unit has a base retained in the spring unit aperture, and a reciprocating rod biased outwardly, with a free end abutting a central portion of the lifter bar to shift the lifter bar to an extended position, thereby defining a fully self-contained unit that can be readily mounted in and removed from the die to reduce manufacturing and repair costs.
摘要翻译：独立式的升降机特别适用于多工位，渐进金属成型模具等，并且包括具有相邻侧面的两个垂直通孔的基板和位于通孔之间的垂直弹簧单元孔。升降机还包括具有与基板通孔垂直对准的两个垂直通孔的升降杆。两个刚性导向轴通过孔安装在基板中，以允许升降杆以选择性地提升模具中的坯料的方式往复运动，以允许坯料沿着多个模具台进行纵向移动。弹簧单元具有保持在弹簧单元孔中的基部和向外偏压的往复式杆，其自由端邻接升降杆的中心部分，以将升降杆移动到延伸位置，由此限定完全独立的单元其可以容易地安装在模具中并从模具中移除以降低制造和维修成本。

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