CH471978A - Locking screw - Google Patents

Locking screw

Info

Publication number
CH471978A
CH471978A CH534568A CH534568A CH471978A CH 471978 A CH471978 A CH 471978A CH 534568 A CH534568 A CH 534568A CH 534568 A CH534568 A CH 534568A CH 471978 A CH471978 A CH 471978A
Authority
CH
Switzerland
Prior art keywords
locking screw
locking
screw
Prior art date
Application number
CH534568A
Other languages
German (de)
Inventor
Andrew Tabor Joseph
Original Assignee
Burdsall & Ward Co
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 Burdsall & Ward Co filed Critical Burdsall & Ward Co
Priority to CH459769A priority Critical patent/CH505308A/en
Publication of CH471978A publication Critical patent/CH471978A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/025—Rolling locking screws
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Forging (AREA)
  • Clamps And Clips (AREA)
CH534568A 1967-04-14 1968-04-09 Locking screw CH471978A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH459769A CH505308A (en) 1967-04-14 1969-03-26 Locking screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63088767A 1967-04-14 1967-04-14

Publications (1)

Publication Number Publication Date
CH471978A true CH471978A (en) 1969-04-30

Family

ID=24528970

Family Applications (1)

Application Number Title Priority Date Filing Date
CH534568A CH471978A (en) 1967-04-14 1968-04-09 Locking screw

Country Status (7)

Country Link
BR (1) BR6898233D0 (en)
CH (1) CH471978A (en)
DE (2) DE6606708U (en)
FR (1) FR1571403A (en)
GB (1) GB1169842A (en)
NL (1) NL6805257A (en)
SE (1) SE348033B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0217074A2 (en) * 1985-09-28 1987-04-08 RICHARD BERGNER GMBH & CO Thread-rolling die and a screw produced therewith
EP0490194A1 (en) * 1990-12-10 1992-06-17 ITW-ATECO GmbH Screw with selfblocking thread

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2303747C2 (en) * 1973-01-26 1984-02-02 Lock Thread Corp., Birmingham, Mich. Screw element with self-locking effect, especially when screwing into a threaded hole with a conventional thread
DE3804291A1 (en) * 1988-02-12 1989-08-24 Bergner Richard Gmbh Co Clamping screw
DE3920678C2 (en) * 1989-06-23 2001-12-20 Kleemeier Schewe & Co Ksh Gmbh Filter nozzle
DE4022918A1 (en) * 1990-07-19 1992-01-23 Lauer Peter Dipl Ing Fh Self-locking screw connection - has screw, threaded pin and nut and has radial ridges on sides of thread pitch
PL2404069T3 (en) * 2009-03-03 2013-04-30 Flaig Hartmut Safety screw, screw connection and method for producing a safety screw

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0217074A2 (en) * 1985-09-28 1987-04-08 RICHARD BERGNER GMBH & CO Thread-rolling die and a screw produced therewith
EP0217074A3 (en) * 1985-09-28 1987-12-16 RICHARD BERGNER GMBH & CO Thread-rolling die and a screw produced therewith
EP0490194A1 (en) * 1990-12-10 1992-06-17 ITW-ATECO GmbH Screw with selfblocking thread

Also Published As

Publication number Publication date
FR1571403A (en) 1969-06-20
DE1750179A1 (en) 1970-09-24
GB1169842A (en) 1969-11-05
DE1750179B2 (en) 1971-07-29
DE6606708U (en) 1970-11-19
SE348033B (en) 1972-08-21
BR6898233D0 (en) 1973-01-02
NL6805257A (en) 1968-10-15

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Legal Events

Date Code Title Description
PL Patent ceased