DE1976863U - LOCKING SCREW. - Google Patents
LOCKING SCREW.Info
- Publication number
- DE1976863U DE1976863U DEJ40921U DEJ0040921U DE1976863U DE 1976863 U DE1976863 U DE 1976863U DE J40921 U DEJ40921 U DE J40921U DE J0040921 U DEJ0040921 U DE J0040921U DE 1976863 U DE1976863 U DE 1976863U
- Authority
- DE
- Germany
- Prior art keywords
- screw
- head
- inclined planes
- litz
- opposite directions
- 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
- 238000005553 drilling Methods 0.000 description 1
- 238000004519 manufacturing process 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Description
Josef W i L h e I m Ü Λ η η η Λ r γ ο Λ Mate Ld, den 30. ίο. Josef W i L he I m Ü Λ η η η Λ r γ ο Λ Mate Ld, 30. ίο.
A.62015-5*31.A.62015-5 * 31.
öie Erfindung betrifft eine Schlitzschraube, die nur in einer Richtung, vorzugsweise ihrer och Ließrichtung, schraubbar ist. The invention relates to a slotted screw which can only be screwed in one direction, preferably its opening direction.
Derartige Schrauben werden beispielsweise als Garantiesicherung gegen unbefugtes Oeffnen bei technischen Geräten wie elektrischen Rasierapparaten oder dergleichen verwandt oder zum Anschrauben von Schlössern und Sicherungseinrichtungen.Such screws are used, for example, as a guarantee against unauthorized opening in technical devices such as electric razors or the like, or for screwing on locks and safety devices.
Es sind bereits Verschraubungen bekannt geworden, die ohne besondere Vorrichtungen nicht mehr gelöst werden können. Beispielsweise werden Lenkradschlösser bei Kraftfahrzeugen mittels Schrauben an die Lenkradsäule angebracht, die auf ihrem nicnt weiter mit Angriffsmöglichkeiten versehenen Kopf einen Vierkant besitzen, der beim Ueberschreiten eines bestimmten Drehmomentes abschert. Ein Lösen dieser Schraube ist nur dadurch möglich, daß der Kopf mittels eines Spezialwerkzeuges herausgeschraubt wird.Screw connections are already known which can no longer be loosened without special devices. For example, steering wheel locks in motor vehicles are attached to the steering wheel column by means of screws, which on their not provided with further attack possibilities Head have a square, which when crossed a shears off at a certain torque. Loosening this screw is only possible by unscrewing the head using a special tool.
Gemäß der Erfindung wird eine einfach herzustellende Sicherungsschraube geschaffen, die ohne Sonderwerkzeuge eingedreht werden kann und sich trotzdem nicht lösen läßt.According to the invention, an easy-to-manufacture locking screw is created which is screwed in without special tools can and still cannot be solved.
Dies wird dadurch erreicht, daß bei einer Schlitzschraube die Kopfwände als schiefe Ebenen ausgebildet werden, die gegeneinander liegen. Dadurch findet das angreifende Werkzeug, beispielsweise ein Hand- oder Maschinenschraubenzieher, zwar in einer (vorzugsweise Sch ließ-)Richtung Angriffsflachen, beim Drehen in Gegenrichtung läuft jedoch das Werkzeug über die schiefen Ebenen nach oben aus den Schlitzresten heraus. Es ist somit nicht möglich, die Schraube ohne besonderes Werkzeug, das Unbefugten normalerweise nicht zur Verfugung steht, zu Lösen.This is achieved in that with a slotted screw Head walls are designed as inclined planes that lie against each other. This way the attacking tool finds For example, a hand or machine screwdriver, in one (preferably closed) direction, attack surfaces, when turning in the opposite direction, however, the tool runs over the inclined planes up and out of the remains of the slot. It is therefore not possible to remove the screw without a special tool, which is normally not available to unauthorized persons stands to solve.
Anhand eines Ausführung&beispieLes wird die Erfindung näher beschrieben. Eine dazu gehörende Zeichnung zeigt inThe invention is explained in greater detail on the basis of an embodiment and example described. A corresponding drawing shows in
Fig. I die perspektivische Ansicnt einer ZyLinderkopfmaschinenschraube;Fig. I the perspective view of a Cylinder head machine screw;
Fig. 2 die gLeiche Schraube in zv/ei Seitenansichten;2 shows the same screw in two side views;
Fig. 3 die TeiLansicht einer Schraube mit angesetztem Schraubenzieher.Fig. 3 is a partial view of a screw with an attached screwdriver.
Die ZyLinderkopfmaschinenschraube I mit dem Schaft 2 und dem ZyLinderkopf 3 hat einen SchLitz 4. Die beiden Kopfwände 3a und 3b des ZyLinaerkopfes 3 sind gegenläufig so abgeschrägt, daß sie in den Boden des SchLitzes 4 ausLaufen. ALs Angriffsf Lachen für das Eindrehwerkzeug bLeiben nur die SeitenfLachen 4a una 4b des SchLitzes 4 stehen. The cylinder head machine screw I with the shaft 2 and the cylinder head 3 has a slot 4. The two head walls 3a and 3b of the cylinder head 3 are beveled in opposite directions so that they run out into the bottom of the slot 4. Only the side surfaces 4a and 4b of the slot 4 remain as attack pools for the screwing tool.
Zur Befestigung wird die vorbeschriebene ZyLinderkopfmaschinenschraube I wie eine normaLe Schraube angesetzt. In PfeiLrichtung A1 hier der SchLießrichtung, findet der Schraubenzieher 5 an den Seitenf Lachen 4a und 4b des SchLitzes HaLt und nimmt beim Drehen die Schraube mit. Die gezeigte Ausführung, die vorzugsweise versenkt wird, kann nicht mehr mit einfachen MitieLn, wie Angriff einer Zange, getost werden. Ein derart verschraubtes Gehäuse oder ein so befestigtes Schi Ld kann nur dadurch geöffnet oder ge Löst werden, daß die Schraube angebohrt und mit einem SpeziaLwerkzeug herausgedreht wird.The cylinder head machine screw I described above is attached like a normal screw. In the direction of arrow A 1, here the closing direction, the screwdriver 5 finds pools 4a and 4b of the slot on the sides and takes the screw with it when it is turned. The embodiment shown, which is preferably countersunk, can no longer be opened with simple tools, such as a pair of pliers. A housing screwed in this way or a Schi Ld fastened in this way can only be opened or loosened by drilling into the screw and unscrewing it with a special tool.
Se Lbstverstand Lieh können außer der beschriebenen Zy Linderkopf maschinenschraube auch Lin&enkopf-, Linsen&enkkopf- oder anders gestaLtete Schrauben erfindungsgemäß ausgebildet werden, die beliebige Schäfte und Gewinde haben können.As a matter of course, in addition to the described cylinder head machine screw, liner head, lens head or differently shaped screws designed according to the invention which can have any shafts and threads.
- 3 -Schutzansprüche- 3 claims for protection
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEJ40921U DE1976863U (en) | 1967-10-31 | 1967-10-31 | LOCKING SCREW. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEJ40921U DE1976863U (en) | 1967-10-31 | 1967-10-31 | LOCKING SCREW. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1976863U true DE1976863U (en) | 1968-01-11 |
Family
ID=33347854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEJ40921U Expired DE1976863U (en) | 1967-10-31 | 1967-10-31 | LOCKING SCREW. |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1976863U (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0013274A1 (en) * | 1978-12-22 | 1980-07-09 | Fa Karcher Schraubenwerke GmbH | Mechanical connectors and fixing tool therefor |
FR2544029A1 (en) * | 1983-04-09 | 1984-10-12 | Ford France | SHUTTERING AND SEALING SCREWS FOR THREADED THREADS |
DE4126539A1 (en) * | 1991-08-10 | 1993-02-11 | Dieter Ammer | Bolt and spanner set - has bolt head and spanner contoured to prohibit use with normal spanner |
DE4231003A1 (en) * | 1992-09-16 | 1994-03-17 | Bayerische Motoren Werke Ag | Controlled torque hose clamp - has fastening head attached to threaded fastener by shear connection, and slit for screwdriver |
DE29903686U1 (en) * | 1999-03-02 | 2000-07-13 | fischerwerke Artur Fischer GmbH & Co. KG, 72178 Waldachtal | screw |
DE19955438A1 (en) * | 1999-11-18 | 2001-06-13 | Klappstein Kurt | Safety screw head has stop faces for transmission of screw-in forces, and opposite faces run at angle abutment-free |
DE102008029881B4 (en) * | 2008-06-24 | 2012-02-16 | Metzeler Automotive Profile Systems Gmbh | Sealing arrangement for a motor vehicle with a holding device and such a holding device |
-
1967
- 1967-10-31 DE DEJ40921U patent/DE1976863U/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0013274A1 (en) * | 1978-12-22 | 1980-07-09 | Fa Karcher Schraubenwerke GmbH | Mechanical connectors and fixing tool therefor |
FR2544029A1 (en) * | 1983-04-09 | 1984-10-12 | Ford France | SHUTTERING AND SEALING SCREWS FOR THREADED THREADS |
DE4126539A1 (en) * | 1991-08-10 | 1993-02-11 | Dieter Ammer | Bolt and spanner set - has bolt head and spanner contoured to prohibit use with normal spanner |
DE4231003A1 (en) * | 1992-09-16 | 1994-03-17 | Bayerische Motoren Werke Ag | Controlled torque hose clamp - has fastening head attached to threaded fastener by shear connection, and slit for screwdriver |
DE29903686U1 (en) * | 1999-03-02 | 2000-07-13 | fischerwerke Artur Fischer GmbH & Co. KG, 72178 Waldachtal | screw |
DE19955438A1 (en) * | 1999-11-18 | 2001-06-13 | Klappstein Kurt | Safety screw head has stop faces for transmission of screw-in forces, and opposite faces run at angle abutment-free |
DE102008029881B4 (en) * | 2008-06-24 | 2012-02-16 | Metzeler Automotive Profile Systems Gmbh | Sealing arrangement for a motor vehicle with a holding device and such a holding device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE102013005838A1 (en) | Intervention Turning Tool | |
DE1976863U (en) | LOCKING SCREW. | |
DE4126539A1 (en) | Bolt and spanner set - has bolt head and spanner contoured to prohibit use with normal spanner | |
EP0558831A1 (en) | Screw or screwbolt | |
EP0774766A1 (en) | Safety switching device | |
DE10320655B4 (en) | Anti-sabotage screw has threaded shaft and screw head with drive recess with helical guide grooves for engagement by screwdriver tool having helical coil shaft compatible with drive recess | |
DE102011012883A1 (en) | Connection junction box, has sealing ring arranged between opposite sealing surfaces of frame and cover-part, where another ring is arranged mutually between opposite sealing surfaces of cover-parts in mounting position of one of cover-part | |
DE3017111C2 (en) | Woltmann water meter | |
EP2194195B1 (en) | Installation fitting with tamper-proofing | |
DE2228062A1 (en) | CLAMP NUT | |
DE60119364T2 (en) | FIXING DEVICE | |
DE202012002203U1 (en) | Lockable tank sleeve | |
DE1911803U (en) | MOTHER. | |
DE102012104899B4 (en) | Protective cap for clamping on screw connections | |
DE370426C (en) | Stopper with locking device | |
DE4300396C2 (en) | Tool or wrench set arranged in a housing | |
DE829126C (en) | Screwdriver with twistable, blade-shaped attack element | |
DE511347C (en) | Safety wrench for nut locks | |
DE2362824C3 (en) | Locking on a cover made of plastic for openings in hollow masts with round cross-section and the like | |
DE2822382A1 (en) | Shuttering screw with non-round head - has bead protrusions on head outside surface to secure socket spanner | |
DE19630708A1 (en) | Device for lock switch-cabinets and distribution boxes with plastic lid secured by metal-containing lock | |
DE689368C (en) | Lock for shelter doors | |
DE694810C (en) | Device for mutual locking between a switchgear and the cover of a firedamp-proof switch box | |
DE19914968A1 (en) | Screw has hexagonal or toothed head and hexagonal or toothed cavity in shaft | |
DE920654C (en) | Screw connection |