Title:
TELESCOPIC MAST
Document Type and Number:
WIPO Patent Application WO/2020/235832
Kind Code:
A1
Abstract:
A telescopic mast according to an embodiment of the present invention comprises: a tubular main body in which a power supply signal wire is embedded; one or more tubular sections coupled to be withdrawn from or insertable into the tubular main body; one or more coupling members which are provided at the top ends of the tubular main body and the tubular sections to fix or release the coupling between the tubular main body and the tubular sections during a withdrawn or insertion operation of the tubular sections; and a power supply coupling member which is connected to the power supply signal wire embedded in the tubular main body to supply power thereto.
Inventors:
LEE JONG HEE (KR)
Application Number:
PCT/KR2020/005882
Publication Date:
November 26, 2020
Filing Date:
May 04, 2020
Export Citation:
Assignee:
LEE JONG HEE (KR)
International Classes:
E04H12/02; E04H12/18
Foreign References:
| JPH06158913A | 1994-06-07 | |||
| KR101794299B1 | 2017-11-06 | |||
| JP2565081B2 | 1996-12-18 | |||
| JPH0610538A | 1994-01-18 | |||
| US5591291A | 1997-01-07 |
Other References:
See also references of EP 3933148A4
Attorney, Agent or Firm:
YOON & YANG (IP) LLC (KR)
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