Title:
ROTARY CYLINDER AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/058825
Kind Code:
A1
Abstract:
A rotary cylinder according to one embodiment of the present invention comprises: a hollow spindle that rotates; a spring disposed inside the spindle; and a cam, which is coupled to the spindle and rotates together with the spindle, wherein, when the spindle rotates in one direction, the spring connected to the cam is compressed and, when the spring is stretched, the spindle coupled to the cam rotates in the direction opposite to the one direction.
Inventors:
HONG JEONG HYEON (KR)
Application Number:
PCT/KR2022/001072
Publication Date:
April 13, 2023
Filing Date:
January 20, 2022
Export Citation:
Assignee:
SAMHONGSA CO LTD (KR)
International Classes:
A47C3/18; F16J10/00
Foreign References:
| KR20020059908A | 2002-07-16 | |||
| KR19990000041A | 1999-01-15 | |||
| US20120326479A1 | 2012-12-27 | |||
| KR20010006876A | 2001-01-26 | |||
| JPH07222637A | 1995-08-22 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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