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Title:
DOUBLE TURNING PREVENTIVE CAP
Document Type and Number:
Japanese Patent JP3711395
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a double turning preventive cap by which either of a bolt or a nut can be fixed in a countersink hole, even when tolls such as a wrench cannot be used in fastening of a bolt and nut.
SOLUTION: The double turning preventive cap 10 is provided with approximately cylindrical cap body 11 inserted and mounted on a head part (hex head part 51) of the nut or bolt, and a plurality of claw pieces 12 protruded to a side of the cap body 11. The claw piece 12 is fitted in the countersink hole and elastically stretched in the inside of the countersink hole, thereby being latched and fixed on the inner peripheral surface of the countersink hole so as to prevent double turning.


Inventors:
Hiroyuki Yokohata
Minoru Bando
Application Number:
JP2002148858A
Publication Date:
November 02, 2005
Filing Date:
May 23, 2002
Export Citation:
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Assignee:
Sekisui House Co., Ltd.
International Classes:
F16B37/14; F16B41/00; (IPC1-7): F16B37/14; F16B41/00
Domestic Patent References:
JP2002005149A
JP2105605U
Attorney, Agent or Firm:
Yoshiro Kurauchi