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Title:
FOLDED WASHER, ONE-WAY BOLT, AND DEDICATED ONE-WAY BOLT FASTENING TOOL FOR FASTENING FOLDED WASHER AND ONE-WAY BOLT TO MEMBER TO BE FASTENED
Document Type and Number:
WIPO Patent Application WO/2018/174480
Kind Code:
A1
Abstract:
The present invention allows a folded washer which, along with a one-way bolt, has passed through a fastening hole of a member to be fastened to unfold on its own, thereby allowing the one-way bolt to be caught in the fastening hole and, together with a nut, fasten the member to be fastened. The fastening work for the member to be fastened is performed by means of: the folded washer having a pair of split pieces interconnected by means of an elastic coupling member; the one-way bolt having a head portion the outer diameter of which is smaller than the inner diameter of the fastening hole of the member to be fastened; and a dedicated tool for clamping the folded washer and the one-way bolt, thereby enabling the fastening work.

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Inventors:
HWANG, Seong Kyu (502-ho, 108-dong 752, Dongil-ro,Jungnang-gu, Seoul, 02095, KR)
KWON, Sun Chul (603-ho, 201-dong 35-7, Bonghwa-ro 167beon-gil,Gimpo-si, Gyeonggi-do, 10102, KR)
Application Number:
KR2018/003123
Publication Date:
September 27, 2018
Filing Date:
March 16, 2018
Export Citation:
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Assignee:
HWANG, Seong Kyu (502-ho, 108-dong 752, Dongil-ro,Jungnang-gu, Seoul, 02095, KR)
KWON, Sun Chul (603-ho, 201-dong 35-7, Bonghwa-ro 167beon-gil,Gimpo-si, Gyeonggi-do, 10102, KR)
International Classes:
B25B21/00; B25B15/02; B25B23/02; B25B23/12; F16B5/02; F16B43/00
Attorney, Agent or Firm:
JANG, Hyungil (11-4, Teheran-ro 8-gilGangnam-gu, Seoul, 06234, KR)
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