IT1259536B - Bolt equipped with at least one washer and means for preventing detachment of the washer - Google Patents
Bolt equipped with at least one washer and means for preventing detachment of the washerInfo
- Publication number
- IT1259536B IT1259536B ITTO920330A ITTO920330A IT1259536B IT 1259536 B IT1259536 B IT 1259536B IT TO920330 A ITTO920330 A IT TO920330A IT TO920330 A ITTO920330 A IT TO920330A IT 1259536 B IT1259536 B IT 1259536B
- Authority
- IT
- Italy
- Prior art keywords
- washer
- shank
- bolt
- crater
- preventing detachment
- Prior art date
Links
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
A bolt comprising a head 2 and a threaded shank 3 is provided with a cup spring 7 and a washer 8 loosely mounted on the shank. To prevent the cup spring and the washer from becoming detached, at least two flattened regions are provided on the surface of shank 3, in the shape of a crater 9, located in positions an angular distance apart, substantially on the same theoretical plane perpendicular to the axis of shank 1a, the edge of each crater 9 creating a shank radius at that point which is greater than the radius of the central hole 8a in the washer 8 which is furthest from head 2 of the bolt. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO920330A IT1259536B (en) | 1992-04-10 | 1992-04-10 | Bolt equipped with at least one washer and means for preventing detachment of the washer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO920330A IT1259536B (en) | 1992-04-10 | 1992-04-10 | Bolt equipped with at least one washer and means for preventing detachment of the washer |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO920330A0 ITTO920330A0 (en) | 1992-04-10 |
ITTO920330A1 ITTO920330A1 (en) | 1993-10-10 |
IT1259536B true IT1259536B (en) | 1996-03-20 |
Family
ID=11410400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO920330A IT1259536B (en) | 1992-04-10 | 1992-04-10 | Bolt equipped with at least one washer and means for preventing detachment of the washer |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1259536B (en) |
-
1992
- 1992-04-10 IT ITTO920330A patent/IT1259536B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ITTO920330A0 (en) | 1992-04-10 |
ITTO920330A1 (en) | 1993-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19990226 |