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1. WO2011000393 - LOCK NUT

Publication Number WO/2011/000393
Publication Date 06.01.2011
International Application No. PCT/EP2009/004823
International Filing Date 03.07.2009
Chapter 2 Demand Filed 20.07.2010
IPC
F16B 39/34 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
39Locking of screws, bolts, or nuts
22in which the locking takes place during screwing down or tightening
28by special members on, or shape of, the nut or bolt
34Locking by deformable inserts or like parts
F16B 39/38 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
39Locking of screws, bolts, or nuts
22in which the locking takes place during screwing down or tightening
28by special members on, or shape of, the nut or bolt
38with a second part of the screw-thread which may be resiliently mounted
CPC
F16B 39/38
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
39Locking of screws, bolts or nuts
22in which the locking takes place during screwing down or tightening
28by special members on, or shape of, the nut or bolt
38with a second part of the screw-thread which may be resiliently mounted
Applicants
  • FLAIG, Hartmut [DE]/[DE]
Inventors
  • FLAIG, Hartmut
Agents
  • LIESEGANG, Eva
Priority Data
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) SICHERUNGSMUTTER
(EN) LOCK NUT
(FR) CONTRE-ÉCROU
Abstract
(DE)
Die Erfindung sieht eine Sicherungsmutter mit einem Mutterkörper vor, der einen Gewindeabschnitt mit Innengewinde und eine sich daran anschließende innere Ringnut aufweist. Eine Sicherungs-Ringscheibe aus Metall ist in der Ringnut gehalten. Am Innenumfang der Ringscheibe ist ein dem Muttergewinde entsprechendes Innengewinde eingeschnitten, und das Innengewinde der Ringscheibe ist axial gegenüber dem Muttergewinde um eine Strecke versetzt, die kleiner als eine Gewindesteigung des Muttergewindes ist. Erfindungsgemäß ist die Dicke der Ringscheibe an ihrem Innendurchmesser größer ist als die Dicke der Ringscheibe an ihrem Außendurchmesser. Dadurch lässt sich die Elastizität der Sicherungs-Ringscheibe sowie die Haltekraft der Sicherungsmutter einstellen.
(EN)
The invention provides a lock nut with a nut body which has a threaded section with an internal thread and an adjoining inner annular groove. An annular lock washer made of metal is held in the annular groove. An internal thread corresponding to the nut thread is cut into the inner circumference of the annular washer, and the internal thread of the annular washer is offset axially in relation to the nut thread by a distance which is smaller than a thread pitch of the nut thread. According to the invention, the thickness of the annular washer at the inside diameter thereof is greater than the thickness of the annular washer at the outside diameter thereof. As a result, the elasticity of the annular lock washer and the holding force of the lock nut can be adjusted.
(FR)
L'invention concerne un contre-écrou ayant un corps d'écrou présentant une partie filetée à filetage intérieur, et une gorge circulaire raccordée à cette partie. Une rondelle de blocage en métal est maintenue dans la gorge circulaire. Un filetage intérieur correspondant au filetage de l'écrou est prévu sur la circonférence intérieure de la rondelle, et le filetage intérieur de la rondelle est décalé axialement, par rapport au filetage de l'écrou, d'un espace qui est inférieur au pas du filetage de l'écrou. L'invention est caractérisée en ce que l'épaisseur de la rondelle est supérieure, à son diamètre intérieur, à l'épaisseur de la rondelle à son diamètre extérieur. Il devient dès lors possible de régler l'élasticité de la rondelle de blocage, ainsi que la force de maintien du contre-écrou.
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