Title:
VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2020/213076
Kind Code:
A1
Abstract:
[Problem] To provide a novel vacuum cleaner that assists user operations for moving a suction head. [Solution] A suction head 2 sucks up waste material on a surface being cleaned, and comprises rotary brushes 8a-9b. The rotary brush 8a is attached to a rotary shaft A1. The rotary brush 8b is attached to the rotary shaft A1, and is driven independently from the rotary brush 8a. The rotary brush 9a is attached to a rotary shaft A2, which is parallel to the rotary shaft A1, and is disposed on the same side as the rotary brush 8a. The rotary brush 9b is attached to the rotary shaft A2, is provided on the same side as the rotary brush 8b, and is driven independently from the rotary brush 9a. The rotary brushes 8a-9b are subjected to independent drive control according to the direction of a user operation for moving the suction head 2.
Inventors:
TERAO GEN (JP)
JIKIHARA YUYA (JP)
HIGA KAZUMA (JP)
IKEUCHI AKIHITO (JP)
ISHII YASUYUKI (JP)
JIKIHARA YUYA (JP)
HIGA KAZUMA (JP)
IKEUCHI AKIHITO (JP)
ISHII YASUYUKI (JP)
Application Number:
PCT/JP2019/016389
Publication Date:
October 22, 2020
Filing Date:
April 16, 2019
Export Citation:
Assignee:
BALMUDA INC (JP)
International Classes:
A47L9/04; A47L9/28
Foreign References:
| JPH02209117A | 1990-08-20 | |||
| JPH0576468A | 1993-03-30 | |||
| JP2004141610A | 2004-05-20 | |||
| JPH08289863A | 1996-11-05 | |||
| JPH0584174A | 1993-04-06 | |||
| JPH05122A | 1993-01-08 |
Attorney, Agent or Firm:
KUMEGAWA Masamitsu (JP)
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