3657844

Information

• Patent Grant
• 3657844

• References
• Source

• Patent Number

  3,657,844

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  53 years ago

• CPC

  • B24B23/046 - Clamping or tensioning means for abrasive sheets
  • A47L11/12 - with reciprocating or oscillating tools
  • A47L11/4036 - Parts or details of the surface treating tools
  • A47L11/4058 - for adjusting the height of the tool
  • A47L11/4069 - Driving or transmission means for the cleaning tools
  • A47L11/4097 - Means for exhaust-air diffusion; Exhaust-air treatment
  • B06B1/186 - operating with rotary unbalanced masses
  • Y10T74/18552 - Unbalanced weight

• US Classifications

  • 451 - Abrading
  • 015 - Brushing, scrubbing, and general cleaning
  • 074 - Machine element or mechanism