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1. (WO2010113897) FASTENING STRUCTURE

Pub. No.:    WO/2010/113897    International Application No.:    PCT/JP2010/055609
Publication Date: Fri Oct 08 01:59:59 CEST 2010 International Filing Date: Tue Mar 30 01:59:59 CEST 2010
IPC: F16B 39/10
F16B 5/02
F16B 23/00
F16B 43/00
Applicants: Isuzu Motors Company (Thailand) Limited
イスズモータースカンパニー(タイランド)リミテッド
SASAKI, Naoki
佐々木 直樹
Inventors: SASAKI, Naoki
佐々木 直樹
Title: FASTENING STRUCTURE
Abstract:
A fastening structure (1) comprises a fastening assist member (4), a bolt (3) and a nut (2). The fastening assist member (4) is fixed to a member (5) to be fastened with its through hole (52) uncovered by the assist member. The bolt (3) includes a bolt head (31), a shaft (32) extending from the head (31) and a projection (34) extending radially outwardly from the root of the shaft (32) beyond the head (31) as integral parts. The distal end of the shaft (32) goes through the hole (52) to the other side of the member (5) where the nut is ready to engage the bolt. The assist member (4) has a stopper (34) that engages the projection (34) when the bolt is rotated in the unfastening direction to prevent the projection (34) from rotating in the unfastening direction and from axially moving away from the member (5) to be fastened.