DE3419330A1 - Schraubelement - Google Patents

Schraubelement

Info

Publication number
DE3419330A1
DE3419330A1 DE19843419330 DE3419330A DE3419330A1 DE 3419330 A1 DE3419330 A1 DE 3419330A1 DE 19843419330 DE19843419330 DE 19843419330 DE 3419330 A DE3419330 A DE 3419330A DE 3419330 A1 DE3419330 A1 DE 3419330A1
Authority
DE
Germany
Prior art keywords
screw element
head
recess
ing
dlpl
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE19843419330
Other languages
German (de)
English (en)
Inventor
Michel Asnieres Lazarew
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DECAUT ET BTR REUNIS SOC
Original Assignee
DECAUT ET BTR REUNIS SOC
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 DECAUT ET BTR REUNIS SOC filed Critical DECAUT ET BTR REUNIS SOC
Publication of DE3419330A1 publication Critical patent/DE3419330A1/de
Withdrawn legal-status Critical Current

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
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • F16B23/003—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool star-shaped or multi-lobular, e.g. Torx-type, twelve-point star

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Forging (AREA)
DE19843419330 1983-05-26 1984-05-24 Schraubelement Withdrawn DE3419330A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8308739A FR2546584B1 (fr) 1983-05-26 1983-05-26 Organe a visser de pieds reduit par rapport aux organes a visser a six pans creux

Publications (1)

Publication Number Publication Date
DE3419330A1 true DE3419330A1 (de) 1985-02-28

Family

ID=9289211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843419330 Withdrawn DE3419330A1 (de) 1983-05-26 1984-05-24 Schraubelement

Country Status (3)

Country Link
DE (1) DE3419330A1 (fr)
FR (1) FR2546584B1 (fr)
GB (1) GB2141803A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2809781B1 (fr) 2000-06-06 2003-01-03 Gfi Aerospace Organe de fixation a empreinte d'extremite dans une partie terminale filetee
US8771285B2 (en) 2006-09-15 2014-07-08 Zimmer Dental, Inc. Drive tool for orthopedic screws
US11458071B2 (en) 2017-05-11 2022-10-04 Scalpal Llc Torque enhancer device for grasping and tooling, and assemblies and uses thereof
US11969864B2 (en) 2017-05-11 2024-04-30 Scalpal Llc Multi-tier torque enhancer driver and/or receiver and method of using same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL42923C (fr) * 1934-07-03
US2285461A (en) * 1939-05-26 1942-06-09 Holo Krome Screw Corp Socketed screw
GB943521A (en) * 1961-05-24 1963-12-04 Eaton Mfg Co Fastener
CA919962A (en) * 1970-12-18 1973-01-30 P. L. Robertson Mfg. Co. Limited Recessed screw having rounded re-entrant surfaces
GB1415174A (en) * 1972-08-16 1975-11-26 Ceag Ltd Key for operating a security bolt
JPS5333078Y2 (fr) * 1973-10-29 1978-08-15
GB1498827A (en) * 1975-03-25 1978-01-25 Barlow J Screw and screwdriver
CA1066542A (fr) * 1977-03-07 1979-11-20 Bernard F. Reiland Fixation a douille lobulaire pourvue d'une fente
US4258596A (en) * 1978-01-18 1981-03-31 Southco, Inc. Tamper-resistant fastener
JPS5757215Y2 (fr) * 1979-10-12 1982-12-08
GB2093140B (en) * 1981-02-12 1984-09-12 Barber & Colman Ltd Tamper resistant screws

Also Published As

Publication number Publication date
FR2546584A1 (fr) 1984-11-30
FR2546584B1 (fr) 1985-08-30
GB8413308D0 (en) 1984-06-27
GB2141803A (en) 1985-01-03

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee