GB211257A - Screw threads - Google Patents

Screw threads

Info

Publication number
GB211257A
GB211257A GB3240122A GB3240122A GB211257A GB 211257 A GB211257 A GB 211257A GB 3240122 A GB3240122 A GB 3240122A GB 3240122 A GB3240122 A GB 3240122A GB 211257 A GB211257 A GB 211257A
Authority
GB
United Kingdom
Prior art keywords
screw threads
threaded
thread
screw
woodward
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
GB3240122A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB3240122A priority Critical patent/GB211257A/en
Priority to FR563392D priority patent/FR563392A/en
Priority to DE1923W0063377 priority patent/DE442997C/en
Publication of GB211257A publication Critical patent/GB211257A/en
Expired legal-status Critical Current

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
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/30—Locking exclusively by special shape of the screw-thread

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Dowels (AREA)
  • Adornments (AREA)

Abstract

211,257. Woodward, I. C. Nov. 27, 1922. Screw threads, forms of.-A screw thread is mainly of threaded V form as shown at 2, but has a part 1 of slightly increased thickness at the apex to produce a locking grip with a coacting threaded member. A nut mav be so threaded to lock tightly on a bolt having a standard thread.
GB3240122A 1922-11-27 1922-11-27 Screw threads Expired GB211257A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3240122A GB211257A (en) 1922-11-27 1922-11-27 Screw threads
FR563392D FR563392A (en) 1922-11-27 1923-03-07 Improvements in means for resisting the accidental movement of two threaded members cooperating with one another
DE1923W0063377 DE442997C (en) 1922-11-27 1923-03-14 Screw connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3240122A GB211257A (en) 1922-11-27 1922-11-27 Screw threads

Publications (1)

Publication Number Publication Date
GB211257A true GB211257A (en) 1924-02-21

Family

ID=10338043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3240122A Expired GB211257A (en) 1922-11-27 1922-11-27 Screw threads

Country Status (3)

Country Link
DE (1) DE442997C (en)
FR (1) FR563392A (en)
GB (1) GB211257A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355777A (en) * 1999-10-29 2001-05-02 Boltun Corp Self-locking threaded connection
WO2001044672A1 (en) * 1999-12-14 2001-06-21 Ejot Verbindungstechnik Gmbh & Co. Kg Self-threading screw

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355777A (en) * 1999-10-29 2001-05-02 Boltun Corp Self-locking threaded connection
WO2001044672A1 (en) * 1999-12-14 2001-06-21 Ejot Verbindungstechnik Gmbh & Co. Kg Self-threading screw
US6722833B2 (en) 1999-12-14 2004-04-20 Ejot Verbindungstechnik Gmbh & Co. Kg Self-threading screw with straight load flank and angled rear flank profile
AU775724B2 (en) * 1999-12-14 2004-08-12 Ejot Verbindungstechnik Gmbh & Co. Kg Self-threading screw

Also Published As

Publication number Publication date
DE442997C (en) 1927-04-13
FR563392A (en) 1923-12-04

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