NL205416A - - Google Patents

Info

Publication number
NL205416A
NL205416A NL205416DA NL205416A NL 205416 A NL205416 A NL 205416A NL 205416D A NL205416D A NL 205416DA NL 205416 A NL205416 A NL 205416A
Authority
NL
Netherlands
Application number
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.)
Publication of NL205416A publication Critical patent/NL205416A/xx

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
    • 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
    • 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)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Surgical Instruments (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Joining Of Building Structures In Genera (AREA)
NL205416D 1955-03-16 NL205416A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US494726A US2847894A (en) 1955-03-16 1955-03-16 Socketed screw head with uniformly offset grooves

Publications (1)

Publication Number Publication Date
NL205416A true NL205416A (enrdf_load_stackoverflow)

Family

ID=23965712

Family Applications (2)

Application Number Title Priority Date Filing Date
NL100665D NL100665C (enrdf_load_stackoverflow) 1955-03-16
NL205416D NL205416A (enrdf_load_stackoverflow) 1955-03-16

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL100665D NL100665C (enrdf_load_stackoverflow) 1955-03-16

Country Status (6)

Country Link
US (2) US2847894A (enrdf_load_stackoverflow)
BE (1) BE546137A (enrdf_load_stackoverflow)
DE (1) DE1055887B (enrdf_load_stackoverflow)
FR (1) FR1148891A (enrdf_load_stackoverflow)
GB (1) GB789272A (enrdf_load_stackoverflow)
NL (2) NL205416A (enrdf_load_stackoverflow)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187790A (en) * 1959-05-18 1965-06-08 Hi Shear Rivet Tool Company Screw and screw driver coupling
DE1172904B (de) * 1961-01-26 1964-06-25 Aer O Terq Inc Kreuzschlitz fuer Kopfschrauben
US3170364A (en) * 1963-05-06 1965-02-23 Robert K Johnson Recessed head screw
US3288190A (en) * 1964-09-21 1966-11-29 John F Holmes Self-locking screw with friction reducing driving means
US3494243A (en) * 1967-06-28 1970-02-10 Standard Pressed Steel Co Sealing fastener
US4084478A (en) * 1974-09-12 1978-04-18 Phillips Screw Company Screw heads
US4355552A (en) * 1980-04-14 1982-10-26 Technofast, Inc. Recessed head screw
USD270424S (en) 1980-10-22 1983-09-06 The Eastern Company Tool operator for tool-operated locks
USD270229S (en) 1980-10-22 1983-08-23 The Eastern Company Tool and operator head for tool-operated lock
US4998454A (en) * 1988-11-14 1991-03-12 Black & Decker Inc. Screwdriver bit for phillips-head fasteners
US6520055B1 (en) * 1996-12-05 2003-02-18 Wera Werk Hermann Werner Gmbh & Co. Screwdriver or screwdriver attachment
US6223634B1 (en) * 1997-10-03 2001-05-01 Phillips Screw Company Recessed head fastener and driver systems
US5957645A (en) 1997-10-31 1999-09-28 Phillips Screw Company Spiral drive system for threaded fasteners
US6164171A (en) * 1998-03-13 2000-12-26 Max Co., Ltd. Screwdriver used for screw tightener and screw suitably tightened by the screwdriver
US6199455B1 (en) 1999-03-08 2001-03-13 Jjct Enterprises, Inc. Driver, fastener and forming tool
US7293949B2 (en) * 2004-04-15 2007-11-13 Phillips Screw Company Spiral drive fastener with friction engageable surface
US7316535B2 (en) * 2005-11-14 2008-01-08 Ling-Fang Chen Screw with a convenient screw head
USD565943S1 (en) 2006-11-22 2008-04-08 Bulte Robert K Fastener head
EP2283241A4 (en) * 2008-04-21 2012-04-04 Asia Fastening Us Inc TRAINING SYSTEM
US8291795B2 (en) 2010-03-02 2012-10-23 Phillips Screw Company Fastener system with stable engagement and stick fit
CA3030388A1 (en) 2016-07-11 2018-01-18 Phillips Screw Company Fastener system with stabilizer ribs
US10995788B2 (en) 2017-12-15 2021-05-04 Phillips Screw Company Stick fit fastener recess system
US11466720B2 (en) 2017-12-15 2022-10-11 Phillips Screw Company Stick fit fastener recess system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US101207A (en) * 1870-03-29 Improvement in screw and screw-driver
USRE15483E (en) * 1922-10-31 stirling
US1797390A (en) * 1929-02-04 1931-03-24 Frederick H Wood Screw driver designed to be keyed on a screw
US1956963A (en) * 1931-05-09 1934-05-01 Jr Fred Salmen One way screw
US2216382A (en) * 1939-11-01 1940-10-01 W H Holmes Screw
US2304704A (en) * 1939-12-04 1942-12-08 Winslow Foster Screw
AT175424B (de) * 1942-12-30 1953-07-10 Guest Keen & Nettlefolds Ltd Schraube, deren Kopf für den Angriff eines Schraubenziehers eine Ausnehmung aufweist
US2445978A (en) * 1945-05-07 1948-07-27 Domnic V Stellin Socket head screw
US2592462A (en) * 1951-09-11 1952-04-08 Res Eng & Mfg Recessed head fastener

Also Published As

Publication number Publication date
BE546137A (enrdf_load_stackoverflow)
USRE24878E (en) 1960-09-27
NL100665C (enrdf_load_stackoverflow)
US2847894A (en) 1958-08-19
FR1148891A (fr) 1957-12-17
DE1055887B (de) 1959-04-23
GB789272A (en) 1958-01-15

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