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Patent Searching and Data


Title:
LENGTH ADJUSTMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/050658
Kind Code:
A1
Abstract:
The present invention relates to a length adjustment device comprising: a handle including a push button; a main pole coupled to the handle; an extension pole moving in and out of the main pole; and a length adjustment means for adjusting the overall length thereof by allowing the extension pole to move in and out of the main pole by the operation of the push button, wherein the length adjustment means includes: a load transmission means which is provided in the main pole and which transmits the load of the push button; a spin pipe assembly fixedly provided in the extension pole; and a clamp assembly which is provided over a boundary between the main pole and the extension pole, and which externally applies pressure to or releases pressure from the spin pipe assembly such that the spin pipe assembly is maintained in a locked or unlocked state.

Inventors:
LEE MYEONG A (KR)
JUNG IN SOO (KR)
Application Number:
PCT/KR2019/011504
Publication Date:
March 12, 2020
Filing Date:
September 05, 2019
Export Citation:
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Assignee:
DONG IN ENTECH CO LTD (KR)
LEE MYEONG A (KR)
International Classes:
A45B9/00
Foreign References:
KR101261788B12013-05-07
KR101766779B12017-08-09
KR20160150447A2016-12-30
KR20160141006A2016-12-08
JP2010088871A2010-04-22
Other References:
See also references of EP 3847922A4
Attorney, Agent or Firm:
KIM, Doo Sik et al. (KR)
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