3709116

Information

• Patent Grant
• 3709116

• References
• Source

• Patent Number

  3,709,116

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1973
  51 years ago

• CPC

  • E01B27/02 - Placing the ballast Making ballastway Redistributing ballasting material Machines or devices therefor Levelling means
  • E01B27/025 - by means of non-driven tools
  • E01B35/00 - Applications of measuring apparatus or devices for track-building purposes
  • E01C19/008 - by reference lines placed along the road
  • E01C19/42 - Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating
  • E02F3/841 - Devices for controlling and guiding the whole machine
  • E02F3/845 - using mechanical sensors to determine the blade position
  • E01B2203/145 - on the ballast
  • E01B2203/146 - using other means than driven wheels as propulsion means
  • E01B2203/16 - Guiding or measuring means

• US Classifications

  • 404 - Road structure, process, or apparatus