Surface treating apparatus

• US 3,186,022 A
• Filed: 04/04/1961
• Issued: 06/01/1965
• Est. Priority Date: 04/09/1960
• Status: Expired due to Term

• Current Assignee: Emil Forslund Ake
• Original Assignee: Emil Forslund Ake
• Inventors: EMIL FORSLUND AKE
• Application Number:
  US04/100,684
• Time in Patent Office: 1,519 Days
• US Class Current: 15/345
• CPC Class Codes: A47L 11/161 with supply of cleaning agents
• CPC Class Codes: A47L 11/20 combined with vacuum cleaning devices
• CPC Class Codes: A47L 11/28 Floor-scrubbing machines, motor-driven A47L11/29 takes precedence
• CPC Class Codes: A47L 11/4005 Arrangements of batteries or cells; Electric power supply arrangements
• CPC Class Codes: A47L 11/4013 Contaminants collecting devices, i.e. hoppers, tanks or the like
• CPC Class Codes: A47L 11/4027 Filtering or separating contaminants or debris
• CPC Class Codes: A47L 11/4069 Driving or transmission means for the cleaning tools
• CPC Class Codes: A47L 11/4077 Skirts or splash guards
• CPC Class Codes: A47L 7/02 with driven tools for special purposes with floor-polishing tools A47L11/20

Claims

1. IN A SURFACE TREATING APPARATUS OF THE DESCRIBED CHARACTER;

THE COMBINATION OF DOWNWARDLY OPENING BASE, ROTATABLE SURFACE TREATING MEANS MOUNTED WITHIN SAID BASE AND PROJECTING DOWNWARDLY FROM THE LATTER FOR CONTACT WITH A SURFACE TO BE TREATED, A MOTOR-FAN UNIT ON SAID BASE HAVING AIR INLET MEANS AT A SIDE OF SAID UNIT AND AIR OUTLET MEANS, SAID MOTOR-FAN UNIT BEING OPERATIVE TO DRIVE SAID SURFACE TREATING MEANS AND TO PRODUCE A DECREASED PRESSURE AT SAID AIR INLET MEANS FOR INDUCING AN AIR FLOW INTO THE LATTER, SAID BASE HAVING A SUCTION PASSAGE OPENING AT THE BOTTOM OF THE BASE, CONNECTION MEANS ON SAID BASE LOCATED ADJACENT SAID SIDE OF THE MOTOR-FAN UNIT AND COMMUNICATING WITH SAID SUCTION PASSAGE, DUST COLLECTING MEANS INCLUDING A POROUS RECEPTACLE HAVING A MOUNT ENGAGED WITH SAID CONNECTION MEANS AND A COVER