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Title:
LEVEL SWITCH
Document Type and Number:
WIPO Patent Application WO/2019/045460
Kind Code:
A1
Abstract:
The present invention relates to a level switch in which: an output shaft of a driving body rotatably passes through and is thereby mounted to an upper end wall section of a chamber for receiving and storing liquid or solid contents; in a state in which the output shaft rotatably passes through and is thereby mounted to the upper end wall section of the chamber, a sleeve rotatably circumscribes the output shaft, with a spring interposed therebetween; a blade part contacting and compressing the contents that are in the vicinity of the sleeve and accumulate in the chamber is provided on the outer circumferential surface of a tip of the sleeve; and a relative rotation detection part is provided, which detects the occurrence of relative rotation between the sleeve and the output shaft that occurs when a load greater than the elastic force of the spring is transmitted to the blade part.

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Inventors:
LEE, Chun-woo (Unit114-1106, 80, Wanggeon-ro, Munmak-eup,,Wonju-si, Gangwon-do, 26367, KR)
Application Number:
KR2018/010020
Publication Date:
March 07, 2019
Filing Date:
August 30, 2018
Export Citation:
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Assignee:
LEE, Chun-woo (Unit114-1106, 80, Wanggeon-ro, Munmak-eup,,Wonju-si, Gangwon-do, 26367, KR)
International Classes:
H01H35/00; H01H35/18
Foreign References:
JP2008051758A2008-03-06
JP2007147455A2007-06-14
JP2001174311A2001-06-29
JP2006250669A2006-09-21
JP2003247880A2003-09-05
Attorney, Agent or Firm:
PARK, Yong-min (No.302, 179 Yeoksam-ro,,Gangnam-gu, Seoul, 06247, KR)
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