Patent · US Expired

Safety device for use in clamping unit of molding machine

US5834036A · kind A · utility

8Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 6, 1997
Grant dateNov 10, 1998
Priority date
Expiry dateOct 6, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S425/045
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A safety device for use in a clamping unit of a molding machine is provided with an improved mechanism to always secure safety when the thickness of a mold is adjusted. The device comprises a safety rod having a predetermined number of engagement stepped portions and tapered surfaces formed alternately at a front end portion at predetermined intervals, a support block for supporting the safety rod, a lever member, a stopper engaged with the engagement stepped portion of the safety rod from sideways, and an operation member having a link bar arranged horizontally in such a manner that the link bar can swing freely and always located below the end portion of the lever member.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.