Title:
SCREWED TYPE TIGHTENER
Document Type and Number:
Japanese Patent JP2002089534
Kind Code:
A
Abstract:
To provide a novel screwed type tightener.
The screwed type tightener has: a bolt; a nut with at least one sleeve screwed and fitted onto the bolt; a supporting face disposed at a lower portion of the tightener so that the supporting face is put on one of faces of at least two objects to be mutually and tightly fastened by the screwed type tightener; and a washer press-fitted to part of the screwed type tightener. When operating force and the corresponding reaction force are applied to part of the screwed type tightener, the bolt moves only in the axial direction without rotating the washer and the bolt.
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| JP6417059 | Nuts and fastening methods |
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Inventors:
JUNKERS JOHN K
Application Number:
JP2001266743A
Publication Date:
March 27, 2002
Filing Date:
September 04, 2001
Export Citation:
Assignee:
JUNKERS JOHN K
International Classes:
F16B39/12; B23P19/06; F16B31/04; (IPC1-7): F16B39/12
Domestic Patent References:
| JPH0242293A | 1990-02-13 | |||
| JPS48017045A | ||||
| JPH0214818U | 1990-01-30 | |||
| JPS60152818U | 1985-10-11 | |||
| JPS4841154A | 1973-06-16 | |||
| JPS4932055U | 1974-03-20 |
Foreign References:
| US3247741A | 1966-04-26 | |||
| US5580201A | 1996-12-03 | |||
| US4979857A | 1990-12-25 | |||
| DE3544423A1 | 1987-06-19 |
Attorney, Agent or Firm:
Masayuki Asakura