• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Immovable fixing device, consisting of a screw (1) that has, between the helical rod (2) and the head (3) of threading, with breakage and locking means that act upon reaching the maximum thread of the screw in the the surface on which it is inserted, the helical rod being inserted internally and an externally exposed stop (4) unsuitable for being able to unscrew the screw, being constituted by a spherical cap (4) protruding perimetrally on the helical rod (2). ) and an inverted truncated cone section (5), between said stop (5) and the head (3) of the screw (1), whose wide part (51) provides a solid connection with the lower base of the head (3), and the narrow part (52) a weak connection with the upper area of the stop (4), which is liable to break when screwing the screw up to the maximum point of insertion. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2614133A1
    申请号:ES201531725
    申请日:2015-11-27
    公开日:2017-05-29
    发明作者:Enrique Sanchez Casadevall
    申请人:Industrias Samart SA；
    IPC主号:
    专利说明:

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    权利要求:
    Claims (1)
    [1]
    image 1
    类似技术:
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    RU2010150454A|2012-06-20|TRANSPEDICULAR SCREW FOR FIXING THE SPINE
    同族专利:
    公开号 | 公开日
    ES2614133B1|2018-03-08|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB1437383A|1973-10-05|1976-05-26|Landis & Gyr Ag|Screws|
    DE2353751A1|1973-10-26|1975-05-07|Andreas Revesz|Non removable fixture of screw bolts or nuts - has auxiliary screw for parting off after installation|
    DE2524234A1|1975-05-31|1976-12-16|Ewikon Entwicklung Konstr|Security bolt for vehicle number plate - with smooth head and shear off tooling coupling to prevent illicit reuse|
    DE3738409A1|1987-11-12|1989-05-24|Dieter Meyer|Screw|
    US5713705A|1996-03-01|1998-02-03|Gruenbichler; Carl|Fastener bolt with limited torque head|
    FR2747745A1|1996-04-17|1997-10-24|Andreo Gilbert|Bolt or screw with impregnable head|
    法律状态:
    2018-03-08| FG2A| Definitive protection|Ref document number: 2614133 Country of ref document: ES Kind code of ref document: B1 Effective date: 20180308 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201531725A|ES2614133B1|2015-11-27|2015-11-27|WINCH FIXING DEVICE|ES201531725A| ES2614133B1|2015-11-27|2015-11-27|WINCH FIXING DEVICE|
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