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)
  • Joining Of Building Structures In Genera (AREA)
  • Surgical Instruments (AREA)
  • Portable Nailing Machines And Staplers (AREA)
NL205416D 1955-03-16 NL205416A (ko)

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 (ko)

Family

ID=23965712

Family Applications (2)

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

Family Applications After (1)

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

Country Status (6)

Country Link
US (2) US2847894A (ko)
BE (1) BE546137A (ko)
DE (1) DE1055887B (ko)
FR (1) FR1148891A (ko)
GB (1) GB789272A (ko)
NL (2) NL100665C (ko)

Families Citing this family (21)

* 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
USD270229S (en) 1980-10-22 1983-08-23 The Eastern Company Tool and operator head for tool-operated lock
USD270424S (en) 1980-10-22 1983-09-06 The Eastern Company Tool operator for tool-operated locks
US4998454A (en) * 1988-11-14 1991-03-12 Black & Decker Inc. Screwdriver bit for phillips-head fasteners
EP0942807B1 (de) * 1996-12-05 2000-08-23 WERA WERK HERMANN WERNER GmbH & CO. Schraubendreher oder schraubendrehereinsatz
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
AU2009239472B2 (en) * 2008-04-21 2013-05-23 Asia Fastening (Us), Inc. Drive system
US8291795B2 (en) 2010-03-02 2012-10-23 Phillips Screw Company Fastener system with stable engagement and stick fit
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
USRE15483E (en) * 1922-10-31 stirling
US101207A (en) * 1870-03-29 Improvement in screw and screw-driver
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 (ko)
NL100665C (ko)
USRE24878E (en) 1960-09-27
US2847894A (en) 1958-08-19
FR1148891A (fr) 1957-12-17
GB789272A (en) 1958-01-15
DE1055887B (de) 1959-04-23

Similar Documents

Publication Publication Date Title
AT198143B (ko)
AT194324B (ko)
AT198671B (ko)
AT195202B (ko)
AT193805B (ko)
AT198478B (ko)
AT197696B (ko)
AT194860B (ko)
AT195620B (ko)
AT195450B (ko)
AT196484B (ko)
AT195329B (ko)
AT196487B (ko)
AT194962B (ko)
AT196488B (ko)
AT196599B (ko)
AT196671B (ko)
AT195039B (ko)
AT195161B (ko)
AT198439B (ko)
AT195570B (ko)
AT194664B (ko)
AT195613B (ko)
AT196795B (ko)
AT198360B (ko)