Title:
CLEANER
Document Type and Number:
WIPO Patent Application WO/2022/169121
Kind Code:
A1
Abstract:
The present invention relates to a cleaner comprising: a pitching member which rotates the body of the cleaner about a pitching axis; a yawing member which rotates the body about a yawing axis; a rolling member which rotates the body about a rolling axis; and a rolling prevention assembly which selectively restricts the rotation of the rolling member, wherein the rotation of the rolling member is restricted when the body is in a first position, and the rotation of the rolling member is permitted when the body is in a second position, whereby excellent operability is ensured when the cleaner is in the first position which is a higher position, and excellent ability to travel straight is ensured when the cleaner is in the second position which is a lower position.
Inventors:
LEE SANGCHUL (KR)
LEE SEUNGYEOP (KR)
SUN CHANGHWA (KR)
LEE CHANGGUN (KR)
LEE SEUNGYEOP (KR)
SUN CHANGHWA (KR)
LEE CHANGGUN (KR)
Application Number:
PCT/KR2022/000332
Publication Date:
August 11, 2022
Filing Date:
January 07, 2022
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
A47L9/24; A47L5/24
Foreign References:
| KR100768860B1 | 2007-10-22 | |||
| JP2015154869A | 2015-08-27 | |||
| US20180255992A1 | 2018-09-13 | |||
| JPH10328089A | 1998-12-15 | |||
| KR20150105136A | 2015-09-16 | |||
| KR20210015960A | 2021-02-10 |
Attorney, Agent or Firm:
HONESTY & JR PARTNERS INTELLECTUAL PROPERTY LAW GROUP (KR)
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