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Patent Searching and Data


Title:
BOLT HOLE PROTECTIVE MEMBER
Document Type and Number:
Japanese Patent JP2012067873
Kind Code:
A
Abstract:

To provide a bolt hole protective member capable of fixing a fitting member, which is temporarily fitted, without generating looseness when fastening a bolt.

A bolt hole protective member 6 formed of a pair of washers 8 and 10 is previously fitted to the fitting member 1 to be fitted to a fitted member 2 by using a bolt 4. A projecting end 8d of a cylinder part 8c projecting downward from an inner peripheral part 8b of the washer 8 is folded outside at a part, where the inner diameter of a hole part 10a of the lower washer 10 is widened, and caulked. The coupling force by caulking is set to have strength possible to be released by the fastening force by the bolt 4 or a nut.


Inventors:
TAKEUCHI KENJI
HORIO MASARU
YONEDA SHINYA
Application Number:
JP2010214322A
Publication Date:
April 05, 2012
Filing Date:
September 24, 2010
Export Citation:
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Assignee:
DAIHATSU MOTOR CO LTD
KOJIMA PRESS KOGYO KK
International Classes:
F16B43/00; F16B5/02
Domestic Patent References:
JP2000291711A2000-10-20
JPS4221769Y11967-12-14
JP3012744U1995-06-27
JPS63185929U1988-11-29
JPS63193132U1988-12-13
JP2008164061A2008-07-17
JPS4813666U1973-02-15
JPH0685472A1994-03-25
JPH0596533U1993-12-27
Foreign References:
US5094579A1992-03-10
FR2781849A12000-02-04
Attorney, Agent or Firm:
Masaki Hiroyuki