Title:
TONGUED WASHER TURNING PREVENTION JIG
Document Type and Number:
Japanese Patent JP3263385
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent a tongued washer from turning together with a screw when an article is fixed on an object by screw fastening in condition of putting the tongued washer between a seat of the screw and the article.
SOLUTION: A jig main body 4 of a jig 2 includes opening parts 6 cut-in in an outer shape of the tongued washer 90 at both end sides and an abutment part 10b which a tongue part 92 of the tongued washer 90 abuts is formed on an inner wall of the opening part 6. A locking part 14 is turnably pivoted at a plate surface edge part of the jig main body 4 and a through hole 4a being put through a guide body 60a of an adjustment cover material 60 to prevent movement of the jig 2 is provided at a center of plate surface. When a bolt 70 is tightened, the tongue part 92 abuts the abutment part 10b. The tongued washer 90, therefore, does not turn.
Inventors:
Hiroto Ichioka
Application Number:
JP30109299A
Publication Date:
March 04, 2002
Filing Date:
October 22, 1999
Export Citation:
Assignee:
Tokai Passenger Railway Co., Ltd.
International Classes:
B23P19/06; B23P19/00; B61F5/00; (IPC1-7): B23P19/06; B23P19/00; B61F5/00
Domestic Patent References:
| JP542433A | ||||
| JP8215890A | ||||
| JP501859U | ||||
| JP425016U | ||||
| JP5893460U |
Attorney, Agent or Firm:
Tsutomu Adachi (1 person outside)