BRPI1104251A8 - Parafuso para aperto de precisão - Google Patents

Parafuso para aperto de precisão

Info

Publication number
BRPI1104251A8
BRPI1104251A8 BRPI1104251A BRPI1104251A BRPI1104251A8 BR PI1104251 A8 BRPI1104251 A8 BR PI1104251A8 BR PI1104251 A BRPI1104251 A BR PI1104251A BR PI1104251 A BRPI1104251 A BR PI1104251A BR PI1104251 A8 BRPI1104251 A8 BR PI1104251A8
Authority
BR
Brazil
Prior art keywords
screw
sides
radial
longitudinal axis
tightening
Prior art date
Application number
BRPI1104251A
Other languages
English (en)
Inventor
Fontana Luigi
Original Assignee
Fontana R D S R L
Fontana Fasteners R D S R L
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 by Fontana R D S R L, Fontana Fasteners R D S R L filed Critical Fontana R D S R L
Publication of BRPI1104251A2 publication Critical patent/BRPI1104251A2/pt
Publication of BRPI1104251A8 publication Critical patent/BRPI1104251A8/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0092—Specially shaped nuts or heads of bolts or screws for rotations by a tool with a head engageable by two or more different tools

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Connection Of Plates (AREA)

Abstract

Parafuso para aperto de precisão. A presente invenção refere-se a um parafuso (10) o qual compreende uma perna (12) com uma rosca e uma cabeça (14) na qual é formado um recesso (16) o qual é destinado a ser engastado por uma ferramenta de aperto e o qual tem um perfil externo do tipo múltiplos - lóbulos compreendendo uma série de lóbulos (20) radiais, afastados por espaços iguais na circunferência, cada um dos quais é delimitado por dois lados (24) radiais que são contidos em respectivos planos que se estendem através do eixo (18) longitudinal do parafuso (10), e por uma face central (26) a qual une as extremidades externas no modo radial dos lados (24); as extremidades internas no modo radial dos lados (24) contíguas a lóbulos (20) adjacentes são unidas por respectivas superfícies de conexão, cada uma das quais tem um perfil em formato de um V formado por duas faces (28) inclinadas as quais unem em um canto (30) o qual fica de face à direção do eixo (18) longitudinal.
BRPI1104251A 2010-10-18 2011-10-17 Parafuso para aperto de precisão BRPI1104251A8 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10425335A EP2441971A1 (en) 2010-10-18 2010-10-18 A screw for precision tightening

Publications (2)

Publication Number Publication Date
BRPI1104251A2 BRPI1104251A2 (pt) 2013-01-29
BRPI1104251A8 true BRPI1104251A8 (pt) 2015-11-24

Family

ID=43640660

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1104251A BRPI1104251A8 (pt) 2010-10-18 2011-10-17 Parafuso para aperto de precisão

Country Status (2)

Country Link
EP (1) EP2441971A1 (pt)
BR (1) BRPI1104251A8 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600099434A1 (it) * 2016-10-04 2018-04-04 Fontana Fasteners R D S R L Vite con testa cava.
CN110856910A (zh) * 2018-08-24 2020-03-03 吴国丞 防滑套筒

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1245285B (it) 1991-03-20 1994-09-13 Fossati Onorina Vite per serraggi di precisione e chiave di manovra per tale vite
IT1273374B (it) * 1994-03-04 1997-07-08 Assistenza Tecnica Srl Vite per serraggi di precisione
DE10048918C1 (de) * 2000-10-04 2002-02-21 Kellermann Fa Rudolf Verbindungselement mit einem Kopf und einem zumindest teilweise mit einem Gewinde versehenen Schaft
DE102005015688A1 (de) * 2005-04-05 2006-10-12 Borries Markier-Systeme Gmbh Vorrichtung und Verfahren zur Erfassung von Daten betreffend die Vorspannkraft von Verbindungselementen und von Markier-Daten von Verbindungselementen

Also Published As

Publication number Publication date
BRPI1104251A2 (pt) 2013-01-29
EP2441971A1 (en) 2012-04-18

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B25A Requested transfer of rights approved

Owner name: FONTANA FASTENERS R.D. S.R.L. (IT)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]