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Invention Application
US20080197329A1 Mechanical Safety Mechanism for Vertical or Oblique Movements by Means of Threaded Bar and Nut Cooperating Therewith 审中-公开
通过螺纹杆和螺母的垂直或倾斜运动的机械安全机制

  • Patent Title: Mechanical Safety Mechanism for Vertical or Oblique Movements by Means of Threaded Bar and Nut Cooperating Therewith
  • Patent Title (中): 通过螺纹杆和螺母的垂直或倾斜运动的机械安全机制
  • Application No.: US11916728
    Application Date: 2006-06-07
  • Publication No.: US20080197329A1
    Publication Date: 2008-08-21
  • Inventor: Natale Brechelente
  • Applicant: Natale Brechelente
  • Priority: ITFI2005A000127 20050610; ITFI2005A000128 20050610
  • International Application: PCT/IT2006/000424 WO 20060607
  • Main IPC: B66F3/08
  • IPC: B66F3/08
Mechanical Safety Mechanism for Vertical or Oblique Movements by Means of Threaded Bar and Nut Cooperating Therewith
Abstract:
A safety nut (220) received slidingly in a seat (205) through which a threaded bar (203) passes, is coupled with front inter-locking (209B, 220A) with the lifting nut (209); release occurs when wear of the thread of the lifting nut (209) exceeds a safety limit; an axial stop formed of a bearing (228) rests on the safety nut (220) to support the load mechanically interrupting movement. A warning switch (250) is activated by the safety nut before said mechanical shut-down.
Abstract(Chinese):

安全螺母（220）滑动地接收在螺纹杆（203）穿过的座（205）中，与提升螺母（209）的前相互锁定（209B，220A）联接。 当提升螺母（209）的螺纹磨损超过安全限制时，会发生脱模; 由轴承（228）形成的轴向止动件搁置在安全螺母（220）上以支撑机械中断运动。 在机械关闭前，安全螺母会启动一个警告开关（250）。

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