1871272

Information

• Patent Grant
• 1871272

• References
• Source

• Patent Number

  1,871,272

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1932
  92 years ago

• CPC

  • B21D43/09 - by one or more pairs of rollers for feeding sheet or strip material
  • Y10T74/15 - Intermittent grip type mechanical movement
  • Y10T83/099 - Manually operated
  • Y10T83/4445 - Convertible to and from unicyclic
  • Y10T83/4599 - Means to prevent random or excessive work feeds
  • Y10T83/538 - Positioning of tool controlled
  • Y10T83/8858 - Fluid pressure actuated

• US Classifications

  • 083 - Cutting
  • 074 - Machine element or mechanism
  • 091 - Motors: expansible chamber type
  • 226 - Advancing material of indeterminate length