Cleaning attachment

• US 3,071,799 A
• Filed: 07/11/1960
• Issued: 01/08/1963
• Est. Priority Date: 07/11/1960
• Status: Expired due to Term

• Current Assignee: Alfred F. Ernstberger, Gilbert R. Wolter, Ivar Jepson
• Original Assignee: Alfred F. Ernstberger, Gilbert R. Wolter, Ivar Jepson
• Inventors: IVAR JEPSON, Ernstberger, Alfred F., Wolter, Gilbert R.
• Application Number:
  US04/042,080
• Time in Patent Office: 911 Days
• US Class Current: 15/354
• CPC Class Codes: A47L 11/204 having combined drive for brushes and for vacuum cleaning
• CPC Class Codes: A47L 11/40 Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
• CPC Class Codes: A47L 11/4041 Roll shaped surface treating tools
• CPC Class Codes: A47L 11/4044 Vacuuming or pick-up tools; Squeegees
• CPC Class Codes: A47L 11/4069 Driving or transmission means for the cleaning tools
• CPC Class Codes: A47L 11/4094 Accessories to be used in combination with conventional vacuum-cleaning devices
• CPC Class Codes: A47L 9/0416 driven by fluid pressure, e.g. by means of an air turbine
• CPC Class Codes: A47L 9/0444 for conveying motion by endless flexible members, e.g. belts

Claims

1. AN AIR OPERATED CLEANING ATTACHMENT FOR USE WITH A VACUUM CLEANER COMPRISING A HOUSING UNIT DEFINING A NOZZLE CHAMBER AND A TURBINE CHAMBER, A ROTATABLE BRUSH MOUNTED IN THE NOZZLE CHAMBER, AN AIR OPERABLE TURBINE WHEEL MOUNTED IN THE TURBINE CHAMBER WITH A SUBSTANTIAL CLEARANCE AROUND THE ENTIRE PERIPHERY OF THE TURBINE WHEEL, SAID HOUSING HAVING AN AIR OPENING INTERCONNECTING SAID CHAMBERS AND TERMINATING BENEATH SAID TURBINE WHEEL NEAR THE PERIPHERY THEREOF AND HAVING A SUCTION OPENING COMMUNICATING WITH SAID TURBINE CHAMBER BENEATH SAID TURBINE WHEEL AND NEAR THE PERIPHERY THEREOF, AND MEANS DRIVINGLY INTERCONNECTING SAID TURBINE WHEEL AND SAID BRUSH.