BE589497Q - Alvéole pour vis, ayant une section droite pyramidale et se terminant par une paroi inférieure conique - Google Patents

Alvéole pour vis, ayant une section droite pyramidale et se terminant par une paroi inférieure conique

Info

Publication number
BE589497Q
BE589497Q BE589497A BE589497A BE589497Q BE 589497 Q BE589497 Q BE 589497Q BE 589497 A BE589497 A BE 589497A BE 589497 A BE589497 A BE 589497A BE 589497 Q BE589497 Q BE 589497Q
Authority
BE
Belgium
Prior art keywords
ending
section
bottom wall
conical bottom
screw socket
Prior art date
Application number
BE589497A
Other languages
English (en)
Original Assignee
Robertson Mfg 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 Robertson Mfg Co filed Critical Robertson Mfg Co
Application granted granted Critical
Publication of BE589497Q publication Critical patent/BE589497Q/fr

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
    • F16B23/0038—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/919—Screw having driving contacts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Forging (AREA)
BE589497A 1956-09-20 1960-04-07 Alvéole pour vis, ayant une section droite pyramidale et se terminant par une paroi inférieure conique BE589497Q (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US611016A US2914984A (en) 1956-09-20 1956-09-20 Screw socket of pyramidal cross section terminating in a conical bottom wall
GB33760/56A GB833258A (en) 1956-09-20 1956-11-05 Improvements in socket type screws

Publications (1)

Publication Number Publication Date
BE589497Q true BE589497Q (fr) 1960-08-01

Family

ID=26262004

Family Applications (1)

Application Number Title Priority Date Filing Date
BE589497A BE589497Q (fr) 1956-09-20 1960-04-07 Alvéole pour vis, ayant une section droite pyramidale et se terminant par une paroi inférieure conique

Country Status (3)

Country Link
US (1) US2914984A (fr)
BE (1) BE589497Q (fr)
GB (1) GB833258A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3237506A (en) * 1963-10-22 1966-03-01 Phillips Screw Co Recessed head fasteners
US3283638A (en) * 1964-05-04 1966-11-08 Robertson Mfg Co Socket head screw
US3640175A (en) * 1968-10-18 1972-02-08 Canada Steel Co Ballistic shape screwhead socket
US3604305A (en) * 1969-06-23 1971-09-14 Robertson Mfg Co Recessed screw
US3972083A (en) * 1971-10-31 1976-08-03 P.L. Robertson Manufacturing Co. Ltd. Punch for making recessed screw
JPS49114364U (fr) * 1973-02-03 1974-09-30
JPS49115556U (fr) * 1973-02-07 1974-10-02
JPS49127669U (fr) * 1973-03-01 1974-11-01
US4285380A (en) * 1979-03-30 1981-08-25 Vsi Corporation Panel fastener
JPS55132409A (en) * 1979-04-03 1980-10-15 Miyagawa Kinzoku Kogyo Screw and its forming jig
US5716280A (en) * 1995-09-29 1998-02-10 Fairchild Holding Corp. Method for forming a fluted fastener
DE10065782A1 (de) * 2000-12-30 2002-07-25 Lutz Planitz Schraube und Schraubendreher Verbindung durch Trichterzentrierung und Klemmverjüngung
US6626610B1 (en) * 2002-04-02 2003-09-30 Ben L. Seegmiller Cable bolt apparatus and method of installation for mines
US20070082526A1 (en) * 2003-01-21 2007-04-12 Bernard Tanner Screwdriver Bit and Mating Socket
US20050249573A1 (en) * 2003-01-21 2005-11-10 Bernard Tanner Screw and corresponding driver
USD506922S1 (en) * 2003-08-07 2005-07-05 Larry Simon Screw
US20070036632A1 (en) * 2005-08-12 2007-02-15 Kwantex Research Inc. Screw having a head formed with an inner standard square recess part and an outer guiding recess part
DE112009002723T5 (de) * 2008-11-07 2012-11-29 Milwaukee Electric Tool Corp. Werkzeugeinsatz

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1003657A (en) * 1910-02-12 1911-09-19 Peter Lymburner Robertson Screw-blank-heading machine.
US1771610A (en) * 1925-02-16 1930-07-29 Ajax Mfg Co Metal working
US2397216A (en) * 1944-06-16 1946-03-26 Domnic V Stellin Socket head screw
US2559140A (en) * 1945-04-21 1951-07-03 Waterbury Farrel Foundry Co Means for making socketed head screw blanks or the like
US2667650A (en) * 1949-05-03 1954-02-02 Nat Machinery Co Method of making hollow articles
US2631624A (en) * 1950-02-25 1953-03-17 Roland H Wright Screw driver
US2804894A (en) * 1954-08-20 1957-09-03 Cornwall & Patterson Company Screw driver
US2800829A (en) * 1954-08-30 1957-07-30 Wesloc Screw Inc Cruciform recessed screw

Also Published As

Publication number Publication date
US2914984A (en) 1959-12-01
GB833258A (en) 1960-04-21

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