DE750891C - Lock washer for screw connections - Google Patents
Lock washer for screw connectionsInfo
- Publication number
- DE750891C DE750891C DEJ61192D DEJ0061192D DE750891C DE 750891 C DE750891 C DE 750891C DE J61192 D DEJ61192 D DE J61192D DE J0061192 D DEJ0061192 D DE J0061192D DE 750891 C DE750891 C DE 750891C
- Authority
- DE
- Germany
- Prior art keywords
- screw connections
- washer
- tabs
- lock washer
- brought
- 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
Links
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004049 embossing Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 1
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
- 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
- F16B39/24—Locking 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Description
Sicherungsscheibe für Schraubenverbindungen Die Erfindung geht aus von einer bekannten kreisrunden, ringförmigen Sicherungsscheibe für Schraubenverbindungen mit von einer Scheibenkante ausgehenden, schräg aufgebogenen, federnden Sicherungslappen, die, um ein Flachdrücken der Lappen beim Anziehen der Schraubenverbindung zu vermeiden, so zueinander angeordnet sind, daß sie sich gegenseitig fächerartig überdecken. Bisher wurde diese überdeckung dadurch erreicht, daß man die Lappen durch Druck auf den mittleren Lappenteil verbreiterte. Dies hat jedoch den Nachteil, daß durch die Schwächung der Lappen im mittleren Teil die Bruchgefahr für die Lappen sehr erhöht wird. Außerdem ist ein beträchtlicher Druck erforderlich, um eine genügende Verbreiterung der Lappen zu erreichen.Lock washer for screw connections The invention is based of a known circular, ring-shaped locking washer for screw connections with angled, resilient locking tabs extending from one edge of the pane, which, in order to avoid flattening the tabs when tightening the screw connection, are arranged to each other that they overlap each other like a fan. So far, this overlap has been achieved by applying pressure to the flaps widened to the middle part of the lobe. However, this has the disadvantage that by the weakening of the lobes in the middle part greatly increases the risk of breakage for the lobes is increased. In addition, considerable pressure is required to achieve a sufficient To achieve broadening of the lobes.
Um diese Nachteile zu vermeiden,, ist beim Erfindungsgegenstand die Verbreiterung der Lappen dadurch herbeigeführt, daß abwechselnd an der Ober- und Unterseite der Lappen Material aus den Seitenkanten der Lappen herausgedrückt ist. Es ist allerdings auch bekannt, die erforderliche Verbreiterung der Lappen ohne Schwächung des Materials zu erreichen:, indem die Scheibe nach dem Ausstanzen auf einen geringeren Durchmesser gebracht wird. Dieses Verfahren macht also bei Herstellung der Scheiben aus einem laufenden Band nach dem Ausstanzen derselben noch eine Nachbehandlung (Tiefziehen) erforderlich und ist daher wesentlich umständlicher.To avoid these disadvantages, is the subject of the invention Broadening of the lobes brought about that alternately on the upper and Underside of the tabs material is squeezed out of the side edges of the tabs. It is, however, also known to widen the lobes without the necessary To achieve weakening of the material: by removing the disc after punching it out a smaller diameter is brought. So this process does in manufacturing of the disks from a moving belt after punching them out, an aftertreatment (Deep drawing) is required and is therefore much more cumbersome.
Auf der Zeichnung ist die Erfindung an Hand eines Ausführungsbeispiels erläutert. Nachdem das Loch t zum Durchstecken des Schraubenbolzens aus einem fortlaufenden Blechstreifen 2 ausgestanzt und im nächsten Hub die Einschnitte 3 zur Erzeugung der Lappen ausgeführt sind (s. Abb. i), werden im darauffolgenden Gang diese Lappen dadurch zum gegenseitigen Überlappen gebracht, daß, wie Abb.2 vergrößert im Querschnitt zeigt, ihre Seitenkanten abwechselnd von oben und unten breitgequetscht werden. Der Querschnitt des Lappens erhält dann die aus Abb. 2 ersichtliche Form, die eine bedeutende Stabilität gewährleistet. Schließlich werden die Scheiben aus den Blechstreifen ausgestanzt.In the drawing, the invention is based on an exemplary embodiment explained. After the hole t for inserting the screw bolt from a continuous Sheet metal strips 2 punched out and the incisions 3 for production in the next stroke of the flaps are executed (see Fig. i), these flaps become in the following passage thereby brought to mutual overlap, that, as Fig.2 enlarged in cross-section shows their side edges being squeezed wide alternately from above and below. The cross-section of the flap is then given the shape shown in Fig. 2, the one ensures significant stability. Finally, the disks are made from the sheet metal strips punched out.
In dieser Weise lassen sich aus einem entsprechend breiten Blechstreifen gleichzeitig eine größere Anzahl von Sicherungsscheiben fortlaufend herstellen.In this way, from a correspondingly wide sheet metal strip at the same time continuously produce a larger number of lock washers.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEJ61192D DE750891C (en) | 1938-04-30 | 1938-04-30 | Lock washer for screw connections |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEJ61192D DE750891C (en) | 1938-04-30 | 1938-04-30 | Lock washer for screw connections |
Publications (1)
Publication Number | Publication Date |
---|---|
DE750891C true DE750891C (en) | 1945-02-03 |
Family
ID=7207474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEJ61192D Expired DE750891C (en) | 1938-04-30 | 1938-04-30 | Lock washer for screw connections |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE750891C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1150025A1 (en) * | 2000-04-28 | 2001-10-31 | Armacell Enterprise GmbH | Clamping disc made of metal or plastics |
DE102023202176A1 (en) | 2023-03-10 | 2024-09-12 | Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg | Window regulator assembly for a motor vehicle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE480297C (en) * | 1928-12-08 | 1929-07-30 | Wilhelm Steinhorst | Process for the production of fan-shaped locking washers |
US1807258A (en) * | 1929-02-25 | 1931-05-26 | Frank Q Schwartz | Method of making lock washers |
FR740577A (en) * | 1932-04-26 | 1933-01-27 | Process for the production of fan-shaped safety washers | |
DE653528C (en) * | 1934-05-26 | 1937-11-27 | Illinois Tool Works | Process for the production of ring-shaped locking washers with overlapping lobes |
-
1938
- 1938-04-30 DE DEJ61192D patent/DE750891C/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE480297C (en) * | 1928-12-08 | 1929-07-30 | Wilhelm Steinhorst | Process for the production of fan-shaped locking washers |
US1807258A (en) * | 1929-02-25 | 1931-05-26 | Frank Q Schwartz | Method of making lock washers |
FR740577A (en) * | 1932-04-26 | 1933-01-27 | Process for the production of fan-shaped safety washers | |
DE653528C (en) * | 1934-05-26 | 1937-11-27 | Illinois Tool Works | Process for the production of ring-shaped locking washers with overlapping lobes |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1150025A1 (en) * | 2000-04-28 | 2001-10-31 | Armacell Enterprise GmbH | Clamping disc made of metal or plastics |
DE102023202176A1 (en) | 2023-03-10 | 2024-09-12 | Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg | Window regulator assembly for a motor vehicle |
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