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 washer

Info

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
Application number
ITTO920330A
Other languages
Italian (it)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to ITTO920330A priority Critical patent/IT1259536B/en
Publication of ITTO920330A0 publication Critical patent/ITTO920330A0/en
Publication of ITTO920330A1 publication Critical patent/ITTO920330A1/en
Application granted granted Critical
Publication of IT1259536B publication Critical patent/IT1259536B/en

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>
ITTO920330A 1992-04-10 1992-04-10 Bolt equipped with at least one washer and means for preventing detachment of the washer IT1259536B (en)

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)

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