1642422

Information

• Patent Grant
• 1642422

• References
• Source

• Patent Number

  1,642,422

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1927
  98 years ago

• CPC

  • B21D55/00 - Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
  • G05G15/002 - due to an abnormal functioning of the controlled apparatus
  • Y10T83/093 - Of buckled work

• US Classifications

  • 192 - Clutches and power-stop control
  • 083 - Cutting