Patent · US Expired

Protector device for a machine

US6311817A · kind A · utility

0Cited by
6References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 6, 2000
Grant dateNov 6, 2001
Priority date
Expiry dateMar 6, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/2193
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A protector device for a danger zone of the machine includes two parallel slides 10 disposed along two sides of this danger zone and two normally open switches 11, 11a connected in series in the electrical supply of at least one motor of the machine. One of these switches is disposed adjacent one end of one of the slides 10 while the other 11a is disposed adjacent the opposite end of one of the slides 10. It also comprises a protector element 8 sliding in the slides and whose length is such that in service position, this protector element 8 actuates the control members of the two switches 11, 1a to close them.

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