DE1230182B - Expansion body - Google Patents
Expansion bodyInfo
- Publication number
- DE1230182B DE1230182B DEV21461A DEV0021461A DE1230182B DE 1230182 B DE1230182 B DE 1230182B DE V21461 A DEV21461 A DE V21461A DE V0021461 A DEV0021461 A DE V0021461A DE 1230182 B DE1230182 B DE 1230182B
- Authority
- DE
- Germany
- Prior art keywords
- expansion body
- blind hole
- bolt
- plastic
- corresponds
- 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.)
- Pending
Links
- 239000002023 wood Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 241000237942 Conidae Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011121 hardwood Substances 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
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
-
- 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
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/04—Non-loosenable joints for non-metal furniture parts, e.g. glued
-
- 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
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
- F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
- F16B12/14—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using threaded bolts or 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
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
- F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
- F16B12/24—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using separate pins, dowels, or the like
-
- 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
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/44—Leg joints; Corner joints
- F16B12/48—Non-metal leg connections
-
- 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
- F16B13/0858—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with an expansible sleeve or dowel body driven against a tapered or spherical expander plug
-
- 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
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/048—Non-releasable devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Dowels (AREA)
- Furniture Connections (AREA)
Description
Spreizkörper Die Erfindung betrifft einen Spreizkörper aus Metall oder Kunststoff in Form einer sich nach einer Seite hin erweiternden Hülse, deren engere öffnung einen Durchmesser aufweist, der einem in einem Sackloch eines Möbelteils aus Holz oder Kunststoff zu verankernden Verbindungselement, z. B. einem Bolzen entspricht.Expansion body The invention relates to an expansion body made of metal or plastic in the form of a sleeve widening towards one side, whose narrower opening has a diameter that corresponds to a blind hole in a furniture part made of wood or plastic to be anchored connecting element, z. B. a bolt is equivalent to.
Es ist ein derartiger Spreizkörper bekannt, der eine etwa halbkugelförmige Schale bildet, deren Rand mit tiefen Kerben versehen ist, so daß einzelne Lappen entstehen, die beim Flachpressen des Körpers mit ihren Rändern in die Wände einer Bohrung einzudringen vermögen. In flachgepreßtem Zustand hat ein solcher Spreizkörper etwa die Form eines Kreuzes mit einem Mittelteil, von dem eine der Anzahl der Kerben entsprechende Anzahl von Armen radial absteht. Bei diesem bekannten Spreizkörper sind bei einer Belastung seine Arme für sich verbiegbar und können daher einzeln aus dem Wänden der Bohrung herausgezogen werden, wenn die Belastung die zum Verbiegen der Arme benötigten Kräfte überschreitet. Dieser bekannte Spreizkörper ist daher im wesentlichen einer anderen vorbekannten Befestigungsvorrichtung gleich, die aus zwei im Querschnitt halbkreisförmig gebogenen, gekreuzten Bändern besteht, die nacheinander durch Druck auf ihre Mitte gestreckt und dadurch mit ihren Enden in die Wände von Bohrungen eintreibbar sind. Gegenüber diesen bekannten Bändern besteht bei dem bekannten, ursprünglich halbkugelförmigen Hohlkörper sogar noch die Gefahr, daß das Material von den Kerben zur Mitte hin beim Flachpressen einreißt, so daß der Zusammenhalt zwischen den einzelnen radial abstehenden Armen zumindest stark vermindert wird. Hierdurch wird die Sicherheit der Befestigung eines Bolzens od. dgl. mit Hilfe eines solchen Spreizkörpers sehr in Frage gestellt.Such an expansion body is known which has an approximately hemispherical shape Shell forms, the edge of which is provided with deep notches, so that individual lobes arise when the body is pressed flat with its edges into the walls of a Able to penetrate the hole. When pressed flat, such an expansion body has roughly the shape of a cross with a central part, one of which is the number of notches corresponding number of arms protruding radially. In this known expansion body his arms are bendable when exposed to a load and can therefore be used individually be pulled out of the walls of the hole when the load is sufficient to bend the arm exceeds the required strength. This known expansion body is therefore essentially the same as another previously known fastening device that consists of consists of two crossed ribbons bent in a semicircular cross section, one after the other stretched by pressure on their middle and thereby with their ends into the walls of Bores can be driven. Compared to these known tapes, the known originally hemispherical hollow body even still risk that the material tears from the notches towards the middle when pressing flat, so that the cohesion is at least greatly reduced between the individual radially protruding arms. This increases the security of the fastening of a bolt or the like. With the help of a such expansion body is very much in question.
Es ist weiterhin bekannt, Hohlnieten an ihren Enden mit Krallen zu versehen, die durch Abbiegen nach außen in die Wände von Bohrungen eintreibbar sind. Abgesehen davon, daß diese bekannten Nieten keine engeren Öffnungen mit einem Durchmesser aufweisen, der einem in einem Sackloch zu verankernden Verbindungselement entspricht, können auch hier die einzelnen Krallen wieder unter Anwendung relativ geringer Kräfte zurückgebogen und aus dem Holz herausgezogen werden.It is also known to use claws to close hollow rivets at their ends provided, which can be driven into the walls of bores by turning outwards. Apart from the fact that these known rivets do not have narrower openings with a diameter which corresponds to a connecting element to be anchored in a blind hole, Here, too, the individual claws can again use relatively low forces bent back and pulled out of the wood.
Der Erfindung liegt die Aufgabe zugrunde, einen in der Herstellung einfachen Spreizkörper zu schaffen, der bei dieser Herstellung keiner Verformung des Ausgangsmaterials unterliegt und der nach seinem Einsatz infolge größerer Steifigkeit alle bekannten Anordnungen hinsichtlich des festen Sitzes im Material übertrifft.The invention is based on the object of producing one to create a simple expansion body that does not deform during this production of the starting material and that after its use due to greater rigidity surpasses all known arrangements with regard to the tight fit in the material.
Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß der Spreizkörper ein in radiale Wellen gelegter Kegelmantel ist, dessen Wellung eine solche Höhe hat, daß er zu einer ebenen Ringscheibe flachdrückbar ist. Der erfindungsgemäße Spreizkörper hat also keine Arme, die einzeln gerade gebogen und aus den Wandungen der Bohrung herausgezogen werden können. Das Lösen einer mit dem erfindungsgemäßen Spreizkörper hergestellten Verbindung hat zur Voraussetzung, daß die flache Scheibe hohlgezogen wird. Hierzu ist ein Fließen des Materials erforderlich, das die Anwendung außerordentlich hoher Kräfte voraussetzt, und zwar so hoher Kräfte, daß vermutlich eher das Werkstück zerreißen als der Spreizkörper aus der Bohrung herausgezogen werden würde. Trotzdem braucht im Gegensatz zu dem bekannten halbkugelförmigen Spreizkörper bei der Herstellung des erfindungsgemäßen Körpers keine Verformung des Ausgangsmaterials zu erfolgen, bei der ein Fließen des Materials stattfindet. Die Wellen des erfindungsgemäßen Spreizkörpers können vielmehr durch Falten einer einfachen, kreisrunden Scheibe mittels eines einfachen Werkzeuges erzielt werden. Sofern nach dem Flachdrücken des Spreizkörpers eine gewisse Restfaltung zurückbleibt, so erhöht diese Restfaltung die Steifigkeit des flachgedrückten Spreizkörpers. Bei alledem ist von besonderem Vorteil, daß die Verformung, die beim Flachdrücken des Spreizkörpers stattfindet, völlig von der Verformung verschieden ist, die bei einem Ausreißen des Spreizkörpers bzw. des damit befestigten Verbindungselementes erfolgen müßte.This object is achieved according to the invention in that the expansion body is a cone surface laid in radial waves, the corrugation of which is of such a height has that it can be flattened to form a flat washer. The inventive The spreader body has no arms that are individually bent and straight out of the walls the hole can be pulled out. Solving a with the invention The expansion body produced connection has the prerequisite that the flat disc is drawn hollow. This requires a flow of the material that the application presupposes extraordinarily high forces, and so high forces that presumably rather tear the workpiece than pull the expansion body out of the hole would be. Nevertheless, in contrast to the known hemispherical expansion body no deformation of the starting material in the production of the body according to the invention to take place in which a flow of the material takes place. The waves of the invention Rather, expansion body can be made by folding a simple, circular disc can be achieved by means of a simple tool. Unless after flattening If a certain residual folding remains of the expansion body, this residual folding is increased the stiffness of the flattened expansion body. There is something special about all of this Advantage that the deformation that takes place when the expansion body is pressed flat, is completely different from the deformation that occurs when the expansion body is torn out or of the connecting element fastened therewith would have to take place.
Die Erfindung wird im folgenden an Hand des in der Zeichnung dargestellten Ausführungsbeispieles näher beschrieben und erläutert. Es zeigt F i g.1 einen Teil eines Möbelstücks mit einem Sackloch, in dem ein Schraubbolzen mit Hilfe eines Spreizkörpers nach der Erfindung befestigt werden soll, F i g. 2 die Anordnung nach F i g.1 nach dem Flachdrücken des Spreizkörpers und F i g. 3 eine Ansicht eines Spreizkörpers nach der Erfindung.The invention is illustrated below with reference to the in the drawing Embodiment described and explained in more detail. It shows F. i g.1 part of a piece of furniture with a blind hole in which a screw bolt is to be attached with the aid of an expansion body according to the invention, FIG. 2 the arrangement according to FIG. 1 after the expansion body has been pressed flat and FIG. 3 a view of an expansion body according to the invention.
Bei dem in der Zeichnung dargestellten Anwendungsbeispiel ist in einem Möbelteil 1 eine Sackbohrung 2 vorgesehen, in der als Verbindungselement ein handelsüblicher Bolzen 3 befestigt werden soll. An diesem Bolzen soll in bekannter Weise ein zweites Möbelteil befestigt werden.In the application example shown in the drawing is in one Furniture part 1 is provided with a blind hole 2 in which a commercially available connection element is used Bolt 3 is to be attached. A second one is supposed to be attached to this bolt in a known manner Furniture part to be attached.
Der Bolzen 3 wird mit seinem Kopf 4 nach innen in die Sackbohrung 2 eingesetzt. Hierauf wird ein nach der Erfindung ausgebildeter Spreizkörper 5 so in die Bohrung eingesetzt, daß der größere Durchmesser dem Boden der Sackbohrung zugewandt ist. Hierauf wird ein Dübel 6, der in dem dargestellten Beispiel aus Hartholz besteht, in die Sackbohrung eingesetzt und in Richtung des Pfeiles 7 eingepreßt oder eingeschlagen. Dadurch wird der Spreizkörper 5 in der aus F i g. 2 ersichtlichen Weise flachgepreßt, und sein äußerer Rand dringt in die Mantelfläche der Sackbohrung und tief in das Holz ein. Auf diese Weise ist der Bolzen 3 unverrückbar in dem Möbelteil 1 befestigt. Das Werkzeug, mit dem der Dübel 6 in die Sackbohrung 2 zum Flachdrücken des Spreizkörpers 5 eingeschlagen wird, kann vorstehende Rippen aufweisen, so daß die äußere Stirnseite des Dübels 6 Eindrücke S aufweist, die bewirken, daß sich der Dübel in der Nähe dieser äußeren Stirnfläche noch zusätzlich gegen die Innenwand der Sackbohrung 2 preßt. Der Dübel 6 kann auch mit Leim angegeben sein, so daß er in der Sackbohrung 6 verleimt ist.The bolt 3 is inserted into the blind hole 2 with its head 4 facing inwards. An expansion body 5 designed according to the invention is then inserted into the bore in such a way that the larger diameter faces the bottom of the blind bore. A dowel 6, which consists of hardwood in the example shown, is then inserted into the blind hole and pressed in or hammered in in the direction of arrow 7. As a result, the expansion body 5 is in the form shown in FIG. 2 evident way pressed flat, and its outer edge penetrates into the surface of the blind hole and deep into the wood. In this way, the bolt 3 is fixed immovably in the furniture part 1. The tool with which the dowel 6 is hammered into the blind hole 2 to flatten the expansion body 5 can have protruding ribs so that the outer face of the dowel 6 has impressions S which cause the dowel to be near this outer end face also presses against the inner wall of the blind hole 2. The dowel 6 can also be indicated with glue so that it is glued in the blind hole 6.
An Stelle eines Bolzens 3 mit Kopf 4 kann auch eine Schraubenmutter auf die erwähnte Art und Weise in einer Sackbohrung 2 eines Möbelteils 1 befestigt werden.Instead of a bolt 3 with a head 4, a screw nut can also be used fastened in the aforementioned manner in a blind hole 2 of a furniture part 1 will.
Wie aus F i g. 3 ersichtlich, wird der erfindungsgemäße Spreizkörper 5 von einem in radiale Wellen gelegten Kegelmantel gebildet. Die Wellen sind so ausgebildet, daß sie sich nach dem äußeren Rand zu vergrößern, und haben eine solche Höhe, daß der Kegelmantel zu einer ebenen Ringscheibe flachdrückbar ist, wie es in F i g. 2 dargestellt ist.As shown in FIG. 3 shows the expansion body according to the invention 5 formed by a conical surface laid in radial waves. The waves are like that designed that they enlarge towards the outer edge, and have such a Height that the cone shell can be flattened to form a flat washer, like it in Fig. 2 is shown.
Der erfindungsgemäße Spreizkörper kann auch zur Verankerung von handelsüblichen Schrauben oder Muttern für Möbelfüße oder für Schrankbeschläge verwendet werden.The expansion body according to the invention can also be used for anchoring commercially available Screws or nuts can be used for furniture feet or for cabinet fittings.
Claims (1)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEV21461A DE1230182B (en) | 1961-10-14 | 1961-10-14 | Expansion body |
| CH1088662A CH400679A (en) | 1961-10-14 | 1962-09-14 | Method for producing a connection between two components, in particular furniture parts, connection between two components produced according to this method and means for carrying out this method |
| FR911790A FR1335853A (en) | 1961-10-14 | 1962-10-10 | Assembly device for two pieces of furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEV21461A DE1230182B (en) | 1961-10-14 | 1961-10-14 | Expansion body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1230182B true DE1230182B (en) | 1966-12-08 |
Family
ID=7579195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEV21461A Pending DE1230182B (en) | 1961-10-14 | 1961-10-14 | Expansion body |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH400679A (en) |
| DE (1) | DE1230182B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3404689C2 (en) * | 1984-02-10 | 1986-09-04 | Diehl GmbH & Co, 8500 Nürnberg | Sealing plugs for synthetic resin injections to consolidate hanging walls in mining |
| DE4011229A1 (en) * | 1990-01-30 | 1991-08-01 | Fischer Artur Werke Gmbh | Metal fastener with threaded shaft - has expansion element with bent, oval ring, whose bend ends abut conical expansion face |
| DK0440896T3 (en) * | 1990-01-30 | 1994-02-28 | Fischer Artur Werke Gmbh | Securing element |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2001645A (en) * | 1934-06-27 | 1935-05-14 | Abell Henry Clark | Locking device for nuts, screws, bolts, and the like |
| US2058452A (en) * | 1934-11-08 | 1936-10-27 | Lycoming Mfg Company | Attachable washer |
| DE839550C (en) * | 1950-10-31 | 1952-05-23 | Josef Boehler | Resilient connection between a fastening element, in particular a screw bolt, and a component made of wood or similar building material |
| GB819527A (en) * | 1956-01-17 | 1959-09-02 | James Alexander Slater | Improvements in or relating to invalid chairs |
| DE1825278U (en) * | 1960-11-19 | 1961-01-19 | Carl Sasse K G | DEVICE FOR CONNECTING TWO OR MORE COMPONENTS MADE OF WOOD, PLASTIC ETC., IN PARTICULAR FURNITURE PARTS. |
-
1961
- 1961-10-14 DE DEV21461A patent/DE1230182B/en active Pending
-
1962
- 1962-09-14 CH CH1088662A patent/CH400679A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2001645A (en) * | 1934-06-27 | 1935-05-14 | Abell Henry Clark | Locking device for nuts, screws, bolts, and the like |
| US2058452A (en) * | 1934-11-08 | 1936-10-27 | Lycoming Mfg Company | Attachable washer |
| DE839550C (en) * | 1950-10-31 | 1952-05-23 | Josef Boehler | Resilient connection between a fastening element, in particular a screw bolt, and a component made of wood or similar building material |
| GB819527A (en) * | 1956-01-17 | 1959-09-02 | James Alexander Slater | Improvements in or relating to invalid chairs |
| DE1825278U (en) * | 1960-11-19 | 1961-01-19 | Carl Sasse K G | DEVICE FOR CONNECTING TWO OR MORE COMPONENTS MADE OF WOOD, PLASTIC ETC., IN PARTICULAR FURNITURE PARTS. |
Also Published As
| Publication number | Publication date |
|---|---|
| CH400679A (en) | 1965-10-15 |
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