FR1001909A - Improvements in the production of drive head screws by hollow polygon - Google Patents

Improvements in the production of drive head screws by hollow polygon

Info

Publication number
FR1001909A
FR1001909A FR1001909DA FR1001909A FR 1001909 A FR1001909 A FR 1001909A FR 1001909D A FR1001909D A FR 1001909DA FR 1001909 A FR1001909 A FR 1001909A
Authority
FR
France
Prior art keywords
production
drive head
head screws
hollow polygon
polygon
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Pierre Gardini
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.)
LAURAVIA
Original Assignee
LAURAVIA
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 LAURAVIA filed Critical LAURAVIA
Application granted granted Critical
Publication of FR1001909A publication Critical patent/FR1001909A/en
Expired 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
    • F16B23/0061—Specially shaped nuts or heads of bolts or screws for rotations by a tool with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction
    • 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
    • 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
    • F16B23/0038—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 substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections
    • 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)
FR1001909D 1946-06-29 1946-06-29 Improvements in the production of drive head screws by hollow polygon Expired FR1001909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1001909T 1946-06-29

Publications (1)

Publication Number Publication Date
FR1001909A true FR1001909A (en) 1952-02-29

Family

ID=9561653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1001909D Expired FR1001909A (en) 1946-06-29 1946-06-29 Improvements in the production of drive head screws by hollow polygon

Country Status (1)

Country Link
FR (1) FR1001909A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814059A (en) * 1955-06-22 1957-11-26 Int Harvester Co Method for making serrated-head bolts
DE1041302B (en) * 1954-05-03 1958-10-16 William Dzus Head part for a rotatable fastening means, for example a screw bolt
FR2643690A1 (en) * 1989-02-27 1990-08-31 Vattier Claude Screw-type fixing device, and support assemblies for a television set including this device
EP1342656A2 (en) * 2002-03-08 2003-09-10 Shimano Inc. Bicycle crank assembly and assembly tools
US6988427B2 (en) 2001-11-23 2006-01-24 Shimano, Inc. Seal assembly for a bicycle bottom bracket
US7856903B2 (en) 2001-11-23 2010-12-28 Shimano, Inc. Bicycle crank axle with a radial projection
EP2383062A1 (en) * 2010-04-30 2011-11-02 Seco Tools AB Milling tool with clamping screw having male grip at end thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1041302B (en) * 1954-05-03 1958-10-16 William Dzus Head part for a rotatable fastening means, for example a screw bolt
US2814059A (en) * 1955-06-22 1957-11-26 Int Harvester Co Method for making serrated-head bolts
FR2643690A1 (en) * 1989-02-27 1990-08-31 Vattier Claude Screw-type fixing device, and support assemblies for a television set including this device
US6938516B2 (en) 2001-11-23 2005-09-06 Shimano, Inc. Bicycle crank axle bolt
US6988427B2 (en) 2001-11-23 2006-01-24 Shimano, Inc. Seal assembly for a bicycle bottom bracket
US7856903B2 (en) 2001-11-23 2010-12-28 Shimano, Inc. Bicycle crank axle with a radial projection
EP1342656A2 (en) * 2002-03-08 2003-09-10 Shimano Inc. Bicycle crank assembly and assembly tools
EP1342656A3 (en) * 2002-03-08 2003-10-15 Shimano Inc. Bicycle crank assembly and assembly tools
EP1493654A1 (en) * 2002-03-08 2005-01-05 Shimano Inc. Bicycle crank assembly
EP2383062A1 (en) * 2010-04-30 2011-11-02 Seco Tools AB Milling tool with clamping screw having male grip at end thereof
US8740508B2 (en) 2010-04-30 2014-06-03 Seco Tools Ab Milling tool with clamping screw having male grip at end thereof

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