AT253309B - Schraube mit in den Schraubenkopf eingeprägter, kreuzförmiger Vertiefung und Schraubenzieher dazu - Google Patents

Schraube mit in den Schraubenkopf eingeprägter, kreuzförmiger Vertiefung und Schraubenzieher dazu

Info

Publication number
AT253309B
AT253309B AT430062A AT430062A AT253309B AT 253309 B AT253309 B AT 253309B AT 430062 A AT430062 A AT 430062A AT 430062 A AT430062 A AT 430062A AT 253309 B AT253309 B AT 253309B
Authority
AT
Austria
Prior art keywords
screw
screwdriver
cruciform recess
screw head
embossed
Prior art date
Application number
AT430062A
Other languages
German (de)
English (en)
Original Assignee
Gkn Screws Fasteners Ltd
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 Gkn Screws Fasteners Ltd filed Critical Gkn Screws Fasteners Ltd
Application granted granted Critical
Publication of AT253309B publication Critical patent/AT253309B/de

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
    • F16B23/0023—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
  • Insertion Pins And Rivets (AREA)
  • Slide Fasteners (AREA)
  • Connection Of Plates (AREA)
  • Bolts, Nuts, And Washers (AREA)
AT430062A 1961-05-26 1962-05-25 Schraube mit in den Schraubenkopf eingeprägter, kreuzförmiger Vertiefung und Schraubenzieher dazu AT253309B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11283661A 1961-05-26 1961-05-26

Publications (1)

Publication Number Publication Date
AT253309B true AT253309B (de) 1967-04-10

Family

ID=22346082

Family Applications (2)

Application Number Title Priority Date Filing Date
AT1008463A AT241237B (de) 1961-05-26 1962-05-25 Stempel zum Einprägen einer kreuzförmigen Vertiefung
AT430062A AT253309B (de) 1961-05-26 1962-05-25 Schraube mit in den Schraubenkopf eingeprägter, kreuzförmiger Vertiefung und Schraubenzieher dazu

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT1008463A AT241237B (de) 1961-05-26 1962-05-25 Stempel zum Einprägen einer kreuzförmigen Vertiefung

Country Status (11)

Country Link
AT (2) AT241237B (en:Method)
BE (1) BE618104A (en:Method)
CH (3) CH464117A (en:Method)
DE (3) DE1950935U (en:Method)
DK (1) DK113041B (en:Method)
ES (1) ES277721A1 (en:Method)
FI (1) FI45380C (en:Method)
GB (1) GB1006509A (en:Method)
LU (1) LU41783A1 (en:Method)
MY (1) MY6600087A (en:Method)
NL (2) NL278918A (en:Method)

Families Citing this family (10)

* 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
US4355552A (en) * 1980-04-14 1982-10-26 Technofast, Inc. Recessed head screw
GB2129348B (en) * 1982-09-08 1986-09-24 Blum Gmbh Julius Screws
EP0206564B1 (en) * 1985-06-03 1990-04-04 Isotech Consultants Inc. Screw driving socket
DE3709513A1 (de) * 1987-03-23 1988-10-13 Salice Arturo Spa Verfahren zum herstellen einer schraube mit einem schraubenkopf mit gekreuzten schlitzen
GB2244775B (en) * 1990-06-05 1993-08-11 Titus Tool Co Ltd Screws
IT1269314B (it) * 1994-04-14 1997-03-26 Carlo Sala Vite e relativo attrezzo d'avvitamento
US6223634B1 (en) 1997-10-03 2001-05-01 Phillips Screw Company Recessed head fastener and driver systems
WO1999047820A1 (es) * 1998-03-18 1999-09-23 Francisco Casino Lorite Conjunto de tornillo y destornillador mutuamente autoagarrables
KR20170097040A (ko) 2014-12-17 2017-08-25 리써치 엔지니어링 앤 매뉴팩쳐링, 인크. 리세스형 헤드 체결구 및 드라이버 결합체

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588404A (en) * 1946-09-04 1952-03-11 Herman G Muenchinger Fastening device and method of making same
FR1255865A (fr) * 1959-05-05 1961-03-10 Phillips Screw Co Dispositif de fixation fileté à tête évidée

Also Published As

Publication number Publication date
NL278918A (en:Method)
FI45380B (en:Method) 1972-01-31
DE1950935U (de) 1966-12-01
MY6600087A (en) 1966-12-31
AT241237B (de) 1965-07-12
NL133564C (en:Method)
FI45380C (fi) 1972-05-10
CH464117A (de) 1968-10-15
CH451605A (de) 1968-05-15
ES277721A1 (es) 1962-10-01
DK113041B (da) 1969-02-10
GB1006509A (en) 1965-10-06
LU41783A1 (en:Method) 1962-07-25
BE618104A (fr) 1962-09-17
DE1949486U (de) 1966-11-10
DE1675640B1 (de) 1969-12-11
CH456312A (de) 1968-07-15

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