FR1236819A - Attachment for socket head screws or bolts - Google Patents

Attachment for socket head screws or bolts

Info

Publication number
FR1236819A
FR1236819A FR806224A FR806224A FR1236819A FR 1236819 A FR1236819 A FR 1236819A FR 806224 A FR806224 A FR 806224A FR 806224 A FR806224 A FR 806224A FR 1236819 A FR1236819 A FR 1236819A
Authority
FR
France
Prior art keywords
bolts
attachment
socket head
head screws
screws
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
FR806224A
Other languages
French (fr)
Inventor
Joseph Henry Delacy
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
Priority claimed from GB3251359A external-priority patent/GB858088A/en
Application filed filed Critical
Priority to FR806224A priority Critical patent/FR1236819A/en
Application granted granted Critical
Publication of FR1236819A publication Critical patent/FR1236819A/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
    • F16B23/0007—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR806224A 1959-09-24 1959-09-28 Attachment for socket head screws or bolts Expired FR1236819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR806224A FR1236819A (en) 1959-09-24 1959-09-28 Attachment for socket head screws or bolts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3251359A GB858088A (en) 1959-09-24 1959-09-24 Recessed head insert for rotary fastening members such as screws and bolts
FR806224A FR1236819A (en) 1959-09-24 1959-09-28 Attachment for socket head screws or bolts

Publications (1)

Publication Number Publication Date
FR1236819A true FR1236819A (en) 1960-07-22

Family

ID=26184443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806224A Expired FR1236819A (en) 1959-09-24 1959-09-28 Attachment for socket head screws or bolts

Country Status (1)

Country Link
FR (1) FR1236819A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1369603A1 (en) * 2002-05-31 2003-12-10 Voith Paper Patent GmbH Screwelement, and place of junction to rotate the screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1369603A1 (en) * 2002-05-31 2003-12-10 Voith Paper Patent GmbH Screwelement, and place of junction to rotate the screw

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