CA1017663A - Lobular screw with means for improved stress distribution - Google Patents

Lobular screw with means for improved stress distribution

Info

Publication number
CA1017663A
CA1017663A CA211,833A CA211833A CA1017663A CA 1017663 A CA1017663 A CA 1017663A CA 211833 A CA211833 A CA 211833A CA 1017663 A CA1017663 A CA 1017663A
Authority
CA
Canada
Prior art keywords
stress distribution
improved stress
lobular
screw
lobular screw
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA211,833A
Other languages
English (en)
Other versions
CA211833S (en
Inventor
Herman G. Muenchinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Research Engineering and Manufacturing Inc
Original Assignee
Research Engineering and Manufacturing Inc
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 Research Engineering and Manufacturing Inc filed Critical Research Engineering and Manufacturing Inc
Application granted granted Critical
Publication of CA1017663A publication Critical patent/CA1017663A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/955Locked bolthead or nut
    • Y10S411/956Automatic base clutch
    • Y10S411/957Biting tooth
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/955Locked bolthead or nut
    • Y10S411/956Automatic base clutch
    • Y10S411/96Friction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Insertion Pins And Rivets (AREA)
  • Clamps And Clips (AREA)
  • Mounting Of Bearings Or Others (AREA)
CA211,833A 1973-12-07 1974-10-21 Lobular screw with means for improved stress distribution Expired CA1017663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US422833A US3877339A (en) 1973-12-07 1973-12-07 Lobular screw with means for improved stress distribution

Publications (1)

Publication Number Publication Date
CA1017663A true CA1017663A (en) 1977-09-20

Family

ID=23676599

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211,833A Expired CA1017663A (en) 1973-12-07 1974-10-21 Lobular screw with means for improved stress distribution

Country Status (10)

Country Link
US (1) US3877339A (en18)
JP (1) JPS5728005B2 (en18)
CA (1) CA1017663A (en18)
CH (1) CH583381A5 (en18)
DE (1) DE2452825C2 (en18)
ES (1) ES432017A1 (en18)
FR (1) FR2253938B1 (en18)
GB (1) GB1441499A (en18)
IT (1) IT1023282B (en18)
SE (1) SE400617B (en18)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2556985C2 (de) * 1975-12-18 1982-11-25 Bauer & Schaurte, 4040 Neuß Selbstsicherndes Befestigungselement, wie z.B. eine Schraube oder Mutter
US4261402A (en) * 1978-11-06 1981-04-14 Textron, Inc. Captive thread forming terminal screw
CA1146386A (en) * 1979-04-20 1983-05-17 Barry L. Maclean Threaded fasteners with flexible flange
US4281699A (en) * 1979-04-20 1981-08-04 Maclean-Fogg Company Locking fastener with resilient and rigid flange segments
US4269248A (en) * 1979-04-20 1981-05-26 Maclean-Fogg Company Fastener with flexible flange
US4293256A (en) * 1979-11-09 1981-10-06 The Lamson & Sessions Co. Load indicating fastener
GB2120346A (en) * 1982-05-14 1983-11-30 Han Chen Chang Screw threaded fasteners
DE3333385A1 (de) * 1983-09-15 1985-04-04 K.-H. 8190 Wolfratshausen Weber Kopfschraube
US5580199A (en) * 1993-06-29 1996-12-03 Kabushiki Kaisha Suzuki Rashi Seisakusho Fastening screw
US5460351A (en) * 1994-08-08 1995-10-24 Parker & Harper Companies, Inc. Valve stem locking assembly
DE9420762U1 (de) * 1994-12-27 1996-02-01 Sfs Industrie Holding Ag, Heerbrugg Verbindungselement
WO1997025933A1 (en) 1996-01-18 1997-07-24 Implant Innovations, Inc. Reduced friction screw-type dental implant
US5746558A (en) * 1996-07-24 1998-05-05 Lockheed Martin Corporation Locking apparatus for fastening system
US5888012A (en) * 1996-07-24 1999-03-30 Lockheed Martin Corporation Large shear tolerant fastening system
US5746561A (en) * 1996-07-24 1998-05-05 Lockheed Martin Corporation Alignment tolerant fastening system
US6199455B1 (en) 1999-03-08 2001-03-13 Jjct Enterprises, Inc. Driver, fastener and forming tool
US6176665B1 (en) 2000-01-21 2001-01-23 Illinois Tool Works, Inc. Threaded fastener and assembly
US7438512B2 (en) 2001-08-20 2008-10-21 Maclean-Fogg Company U-bolt assembly
US6749386B2 (en) 2001-08-20 2004-06-15 Maclean-Fogg Company Locking fastener assembly
US7334975B2 (en) 2001-08-20 2008-02-26 Maclean-Fogg Company Fastener assembly
US20040034375A1 (en) * 2002-05-31 2004-02-19 Ruiz Larry R. Fastening system incorporating washer for skull closure
US20040234358A1 (en) * 2003-05-21 2004-11-25 Newfrey Llc Fastener assembly and method employing a flanged metal nut with a metal cup washer rotatably mounted thereon
US7951176B2 (en) 2003-05-30 2011-05-31 Synthes Usa, Llc Bone plate
WO2005018472A1 (de) 2003-08-26 2005-03-03 Synthes Gmbh Knochenplatte
US11259851B2 (en) 2003-08-26 2022-03-01 DePuy Synthes Products, Inc. Bone plate
US8574268B2 (en) 2004-01-26 2013-11-05 DePuy Synthes Product, LLC Highly-versatile variable-angle bone plate system
US11291484B2 (en) 2004-01-26 2022-04-05 DePuy Synthes Products, Inc. Highly-versatile variable-angle bone plate system
US7637928B2 (en) * 2004-01-26 2009-12-29 Synthes Usa, Llc Variable angle locked bone fixation system
US20050220564A1 (en) * 2004-04-01 2005-10-06 Hinson Kerry D Fastener assembly with wave spring
US7344345B2 (en) * 2004-05-27 2008-03-18 Southco, Inc. Captive shoulder nut having spring tie-down
US20060090325A1 (en) * 2004-11-02 2006-05-04 Bernard Jeremy R Vehicle powertrain joints comprising self-tapping fasteners
US7342796B2 (en) * 2005-06-03 2008-03-11 Southco, Inc. Captive shoulder nut assembly
US20070036630A1 (en) * 2005-08-12 2007-02-15 3Bz Ltd, A Limited Liability Company Penetrating washer
DE102008033509A1 (de) * 2008-07-07 2010-01-14 Arnold Umformtechnik Gmbh & Co. Kg Schraube
WO2011032140A1 (en) * 2009-09-14 2011-03-17 Synthes Usa, Llc Variable angle compression plate
DE102010053412A1 (de) * 2010-12-06 2012-06-06 Ejot Gmbh & Co. Kg Schraube mit einem Schraubenkopf, einem Schraubenschaft und einem konischen, gewellten Flansch
US9334787B2 (en) * 2012-12-26 2016-05-10 Kevin Pirolo Curved plate for exhaust reversion prevention
US9206559B2 (en) * 2013-03-12 2015-12-08 Reynolds Presto Products Inc. Mat, portable porous construction mat system, tools, and methods
EP3763458B1 (en) * 2014-07-07 2022-09-07 Physical Systems, Inc. Method of making a hollow metal screw
US10905476B2 (en) 2016-09-08 2021-02-02 DePuy Synthes Products, Inc. Variable angle bone plate
US10624686B2 (en) 2016-09-08 2020-04-21 DePuy Synthes Products, Inc. Variable angel bone plate
US10820930B2 (en) 2016-09-08 2020-11-03 DePuy Synthes Products, Inc. Variable angle bone plate
US11026727B2 (en) 2018-03-20 2021-06-08 DePuy Synthes Products, Inc. Bone plate with form-fitting variable-angle locking hole
US10772665B2 (en) 2018-03-29 2020-09-15 DePuy Synthes Products, Inc. Locking structures for affixing bone anchors to a bone plate, and related systems and methods
US11013541B2 (en) 2018-04-30 2021-05-25 DePuy Synthes Products, Inc. Threaded locking structures for affixing bone anchors to a bone plate, and related systems and methods
US10925651B2 (en) 2018-12-21 2021-02-23 DePuy Synthes Products, Inc. Implant having locking holes with collection cavity for shavings
US11686337B2 (en) 2018-12-31 2023-06-27 Robert E. Stewart Faceted lobular threads
US11786343B2 (en) 2020-07-09 2023-10-17 Southern Implants (Pty) Ltd Dental implants with stepped threads and systems and methods for making the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US179931A (en) * 1876-07-18 Improvement in nut-locks
US1406423A (en) * 1920-09-13 1922-02-14 Frank H Smith Nut and washer
US2076041A (en) * 1935-11-29 1937-04-06 Central Screw Company Screw
US2833326A (en) * 1956-04-19 1958-05-06 Illinois Tool Works Screw or nut with locking projections
US3032089A (en) * 1959-05-07 1962-05-01 Illinois Tool Works Lock washer
US3195156A (en) * 1961-06-27 1965-07-20 Res Engineering And Mfg Inc Method of producing thread swaging devices
US3221792A (en) * 1963-04-08 1965-12-07 Illinois Tool Works Lockwasher and fastener assembly

Also Published As

Publication number Publication date
FR2253938A1 (en18) 1975-07-04
JPS5728005B2 (en18) 1982-06-14
CH583381A5 (en18) 1976-12-31
AU7566674A (en) 1976-05-27
SE400617B (sv) 1978-04-03
DE2452825A1 (de) 1975-06-12
US3877339A (en) 1975-04-15
IT1023282B (it) 1978-05-10
GB1441499A (en) 1976-06-30
DE2452825C2 (de) 1983-03-24
JPS5085758A (en18) 1975-07-10
ES432017A1 (es) 1976-10-16
FR2253938B1 (en18) 1980-05-16
SE7413268L (en18) 1975-06-09

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