Title:
HAND TORQUE MULTIPLIER
Document Type and Number:
WIPO Patent Application WO/2024/048855
Kind Code:
A1
Abstract:
One embodiment of the present invention provides a hand torque multiplier comprising: an input shaft which receives rotational torque from the outside; a torque limit adjustment part which is coupled to the lower part of the input shaft and has a magnet; a torque amplification part which is magnetically coupled to the torque limit adjustment part by the magnet, and amplifies and transmits, to an output shaft, the rotational torque transmitted from the input shaft; and a reaction bar which has one end supported by and fixed to a ring gear housing provided in the torque amplification part, and the other end supported by and fixed to an external structure, wherein the torque limit adjustment part is configured to rotate together with the torque amplification part within a predetermined torque value.
Inventors:
NA HYANG GEUN (KR)
KIM SUNG HWA (KR)
KANG JAE YONG (KR)
KIM SUNG HWA (KR)
KANG JAE YONG (KR)
Application Number:
PCT/KR2022/019425
Publication Date:
March 07, 2024
Filing Date:
December 01, 2022
Export Citation:
Assignee:
SAMBO IND CO LTD (KR)
NA HYANG GEUN (KR)
NA HYANG GEUN (KR)
International Classes:
B25B23/142; H04M1/72415
Foreign References:
| JP2015188943A | 2015-11-02 | |||
| US20140020520A1 | 2014-01-23 | |||
| US20190047125A1 | 2019-02-14 | |||
| US20120036970A1 | 2012-02-16 | |||
| US20070261868A1 | 2007-11-15 |
Attorney, Agent or Firm:
HANA IP LAW FIRM (KR)
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