CH281532A - Vis. - Google Patents

Vis.

Info

Publication number
CH281532A
CH281532A CH281532DA CH281532A CH 281532 A CH281532 A CH 281532A CH 281532D A CH281532D A CH 281532DA CH 281532 A CH281532 A CH 281532A
Authority
CH
Switzerland
Prior art keywords
screw
Prior art date
Application number
Other languages
English (en)
Inventor
Guest Keen Nettlefolds Mid Ltd
Original Assignee
Guest Keen & Nettlefolds 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 Guest Keen & Nettlefolds Ltd filed Critical Guest Keen & Nettlefolds Ltd
Publication of CH281532A publication Critical patent/CH281532A/fr

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)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
CH281532D 1942-12-30 1947-12-24 Vis. CH281532A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US470671A US2474994A (en) 1942-12-30 1942-12-30 Screw socket

Publications (1)

Publication Number Publication Date
CH281532A true CH281532A (fr) 1952-03-15

Family

ID=23868535

Family Applications (1)

Application Number Title Priority Date Filing Date
CH281532D CH281532A (fr) 1942-12-30 1947-12-24 Vis.

Country Status (7)

Country Link
US (1) US2474994A (fr)
BE (1) BE478339A (fr)
CH (1) CH281532A (fr)
DE (1) DE966464C (fr)
FR (1) FR958075A (fr)
GB (1) GB663163A (fr)
NL (1) NL74183C (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122963A (en) * 1964-03-03 Recess head screw
US3025896A (en) * 1958-06-26 1962-03-20 Phillips Screw Co Tools for recessed head fastener with oblique recess
US3028781A (en) * 1958-06-26 1962-04-10 Phillips Screw Co Recessed head fastener with oblique recess
US3187790A (en) * 1959-05-18 1965-06-08 Hi Shear Rivet Tool Company Screw and screw driver coupling
NL276619A (fr) * 1961-03-31
US4084478A (en) * 1974-09-12 1978-04-18 Phillips Screw Company Screw heads
US4202244A (en) * 1978-07-26 1980-05-13 Technofast, Inc. Recessed head screw
EP0551930A3 (en) * 1988-11-14 1993-08-18 Black & Decker Inc. Screwdriver bit for phillips-head fasteners
US4998454A (en) * 1988-11-14 1991-03-12 Black & Decker Inc. Screwdriver bit for phillips-head fasteners
US5660091A (en) * 1996-02-06 1997-08-26 Walter Lorenz Surgical, Inc. Blunt-nosed, self-retaining screwdriver
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
US6328517B1 (en) * 1999-03-30 2001-12-11 Gregory Steven Mann Combination sidewalk bolt
US6890139B2 (en) 2002-02-26 2005-05-10 Phillips Screw Company Fastener having recess useable with multiple drivers and method of manufacture
US7293949B2 (en) * 2004-04-15 2007-11-13 Phillips Screw Company Spiral drive fastener with friction engageable surface
US7255522B2 (en) * 2004-10-07 2007-08-14 Phillips Screw Company Spiral drive fastener with engagement ramp
AU2009239472B2 (en) * 2008-04-21 2013-05-23 Asia Fastening (Us), Inc. Drive system
JP5021599B2 (ja) * 2008-10-10 2012-09-12 クラウン精密工業株式会社 螺子におけるドライバービット嵌合用十字溝の構造
US8291795B2 (en) 2010-03-02 2012-10-23 Phillips Screw Company Fastener system with stable engagement and stick fit
US9422965B2 (en) 2013-05-10 2016-08-23 Bryce Fastener, Inc. Methods and apparatus for asymmetrical fastening system
US20150266169A1 (en) 2013-05-10 2015-09-24 Bryce Fastener, Inc Methods and apparatus for asymmetrical fastening system
US9358060B2 (en) 2013-07-25 2016-06-07 Zimmer Spine, Inc. Self-retaining driver for a bone screw
WO2018200280A1 (fr) 2017-04-25 2018-11-01 William Norton Dispositif d'entraînement denté hélicoïdal et élément de fixation compatible
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
USD897806S1 (en) 2018-04-30 2020-10-06 William Norton Driver
JP7387746B2 (ja) * 2019-01-24 2023-11-28 アキュメント インテレクチュアル プロパティーズ エルエルシー 改良型スティックフィットビットデザイン
USD980707S1 (en) * 2021-02-15 2023-03-14 Min Woo Lee Bolt

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10612C (de) * P. SCHNEITLER in Berlin N., Müllerstrafse 179B Neuerungen an Schraubenköpfen und zugehörigen Schraubenziehern
NL42923C (fr) * 1934-07-03
US2046838A (en) * 1934-07-03 1936-07-07 Phillips Screw Co Screw driver
US2046840A (en) * 1935-01-15 1936-07-07 Phillips Screw Co Screw driver
US2066484A (en) * 1935-01-15 1937-01-05 Philips Screw Company Screw
US2046839A (en) * 1935-01-15 1936-07-07 Phillips Screw Co Screw
US2084079A (en) * 1935-11-15 1937-06-15 American Screw Co Screw
US2084078A (en) * 1935-11-15 1937-06-15 American Screw Co Method of making screws
US2058197A (en) * 1935-12-12 1936-10-20 Maxwell A West Screw
US2296887A (en) * 1941-10-17 1942-09-29 Champion Inc Screw

Also Published As

Publication number Publication date
NL74183C (nl) 1954-03-15
DE966464C (de) 1957-08-08
US2474994A (en) 1949-07-05
GB663163A (en) 1951-12-19
FR958075A (fr) 1950-03-03
BE478339A (fr) 1948-01-31

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