Rotary cleaning member in cleaner

• US 4,646,380 A
• Filed: 07/19/1985
• Issued: 03/03/1987
• Est. Priority Date: 07/25/1984
• Status: Expired due to Term

• Current Assignee: Oreck Holdings LLC (Techtronic Industries Company Limited)
• Original Assignee: Hukuba Kogyo Kabushiki Kaisha
• Inventors: Kobayashi, Kiyoshi, Tsuchiya, Toshihiro
• Primary Examiner(s): ROBERTS JR, EDWARD
• Application Number:
  US06/757,516
• Time in Patent Office: 592 Days
• Field of Search: 15/41 R, 15/41 B, 15/230.14, 15/230.16, 15/43, 15/230.19, 15/179, 15/42-46, 15/47, 51/395
• US Class Current: 15/41.1
• CPC Class Codes: A47L 11/33 having means for storing dirt
• CPC Class Codes: A47L 11/4041 Roll shaped surface treating tools
• CPC Class Codes: A47L 11/4069 Driving or transmission means for the cleaning tools

Abstract

A rotary cleaning member comprises a revolving shaft installed rotatably inside a main body casing, and a plurality of flexible blades provided with a number of projections on the surface thereof abutting upon the surface of a floor, these blades extending radially from the circumference of the revolving shaft one another in a cleaner wherein the rotary cleaning member installed in the main body casing is rotated to spring up dust or the like on the floor, or convey the dust or the like sprung up by means of said rotary cleaning member to a prescribed position for receiving the dust or the like in combination with suction.

Claims

1. In a cleaner having a rotary cleaning member comprising a shaft rotatably mounted in a main body casing, means for rotating said shaft, a plurality of flexible blades mounted radially on the surface of said shaft and adaptable to project through an opening in the underside of said casing to contact a surface to be cleaned, the improvement which comprises a plurality of projections on said blades extending substantially perpendicular thereto, whereby said blades flex when in contact with said surface to be cleaned to apply said projections to said surface to be cleaned.

2. The cleaner of claim 1 wherein each of said blades is spirally mounted on said surface of said shaft and said blades are substantially parallel to each other.

3. The cleaner of claims 1 or 2 wherein there is a plurality of windows extending through each of said blades and located adjacent said surface of said shaft.

4. The cleaner of claim 3 wherein the portion of each of said blades remote from said surface of said shaft defines a saw tooth shape.

5. The cleaner of claims 1 or 2 wherein the portion of each of said blades remote from said surface of said shaft defines a saw tooth shape.