ES257752A1 - Perfeccionamientos en sujetadores roscados - Google Patents

Perfeccionamientos en sujetadores roscados

Info

Publication number
ES257752A1
ES257752A1 ES0257752A ES257752A ES257752A1 ES 257752 A1 ES257752 A1 ES 257752A1 ES 0257752 A ES0257752 A ES 0257752A ES 257752 A ES257752 A ES 257752A ES 257752 A1 ES257752 A1 ES 257752A1
Authority
ES
Spain
Prior art keywords
recess
extended
threaded fasteners
central part
tool
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
ES0257752A
Other languages
English (en)
Spanish (es)
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.)
Phillips Screw Co
Original Assignee
Phillips Screw Co
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 Phillips Screw Co filed Critical Phillips Screw Co
Publication of ES257752A1 publication Critical patent/ES257752A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B21K1/46—Making machine elements bolts, studs, or the like with heads
    • B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
    • 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
    • F16B23/0023—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 cross-shaped
    • 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F16B35/044—Specially-shaped ends
    • F16B35/045—Specially-shaped ends for retention or rotation by a tool

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Drilling Tools (AREA)
  • Insertion Pins And Rivets (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Forging (AREA)
ES0257752A 1959-05-05 1960-04-30 Perfeccionamientos en sujetadores roscados Expired ES257752A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81110559A 1959-05-05 1959-05-05

Publications (1)

Publication Number Publication Date
ES257752A1 true ES257752A1 (es) 1960-07-16

Family

ID=25205573

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0257752A Expired ES257752A1 (es) 1959-05-05 1960-04-30 Perfeccionamientos en sujetadores roscados

Country Status (6)

Country Link
AT (2) AT241248B (e)
BE (1) BE590386A (e)
DE (4) DE1922795U (e)
ES (1) ES257752A1 (e)
GB (1) GB953795A (e)
NL (2) NL251161A (e)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1521141A (en) * 1975-07-19 1978-08-16 Gkn Fasteners Ltd Threaded fastener
DE2826933C2 (de) * 1978-06-20 1980-04-24 Anton 8500 Nuernberg Gerhard Zur Aufnahme einer Abdeckkappe geeignete Kreuzschlitz-Schraube und Verfahren zu ihrer Herstellung
DE29812208U1 (de) 1998-07-09 1998-10-22 Schlaf, Friedhelm, 34399 Oberweser Innenvielnutschraube und Vielnutschlüssel zum Einschrauben der Innenvielnutschraube

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2140449A (en) * 1937-02-10 1938-12-13 Continental Screw Company Screw with socketed head and plurality of slots
US2173707A (en) * 1937-11-27 1939-09-19 Continental Screw Company Square socket screw with side slots
US2285462A (en) * 1939-05-26 1942-06-09 Holo Krome Screw Corp Method of and apparatus for making socketed screws
US2556155A (en) * 1946-07-13 1951-06-05 Domnic V Stellin Socket head screw
US2588404A (en) * 1946-09-04 1952-03-11 Herman G Muenchinger Fastening device and method of making same
US2592462A (en) * 1951-09-11 1952-04-08 Res Eng & Mfg Recessed head fastener

Also Published As

Publication number Publication date
DE1923210U (de) 1965-09-09
NL112346C (e)
AT241248B (de) 1965-07-12
BE590386A (fr) 1960-09-01
GB953795A (en) 1964-04-02
NL251161A (e)
DE1179769B (de) 1964-10-15
AT244876B (de) 1966-01-25
DE1922795U (de) 1965-09-02
DE1925198U (de) 1965-10-07

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