EP0627973B1 - Zwischenstück zum verbinden und verlängern von schraubenschlüsseln - Google Patents
Zwischenstück zum verbinden und verlängern von schraubenschlüsseln Download PDFInfo
- Publication number
- EP0627973B1 EP0627973B1 EP94900739A EP94900739A EP0627973B1 EP 0627973 B1 EP0627973 B1 EP 0627973B1 EP 94900739 A EP94900739 A EP 94900739A EP 94900739 A EP94900739 A EP 94900739A EP 0627973 B1 EP0627973 B1 EP 0627973B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- intermediate piece
- axis
- stop elements
- wrenches
- piece according
- 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 - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
Definitions
- the invention relates to an intermediate piece for connecting and Extend wrenches.
- Such an intermediate piece has the particular disadvantage on that it is, for example, from the free fork of a a double fork wrench to be loosened slips out easily when the longitudinal axis of the double wrench deflected down from the horizontal points.
- Such an intermediate piece is also disadvantageous in particular because the second double wrench attached to the intermediate piece easily slips off the corresponding hexagonal plate of the intermediate piece if the longitudinal axis of this second wrench points somewhat downward.
- the two disadvantages just mentioned are particularly noticeable when reaching around.
- the object of the invention is therefore in Provision of an intermediate piece for extension and for connecting wrenches, which one safe cohesion of at least two wrenches and the intermediate one Spacer guaranteed.
- the intermediate piece according to the invention consists of a section of a polygonal profile bar, the invention has the outer profile of a nut.
- the Edges of the outer profile extend along the intermediate piece axis and are arranged symmetrically to it.
- stop elements according to the invention are on the intermediate piece trained that across with your area the intermediate piece axis and which are also magnetic are.
- the intermediate piece according to the invention forms a short one Part that can easily be accommodated in the tool box can.
- the inventive construction of the intermediate piece the advantage is achieved that two wrenches can be joined together to extend the lever arm are. In the embodiment according to claim 3 only a small one between the two wrenches Offset resulting from the thickness of the wrench results.
- Figure 1 shows a first embodiment of the intermediate piece (1) according to the invention, which consists of a profile bar section consists.
- the profile bar section points in Cross section on the shape of a symmetrical hexagon, with a standardized screw or nut cross section corresponds.
- the external hexagon (3) (Figure 2) can also other outer polygon, such as Square, can be provided.
- the polygonal section extends symmetrically the adapter axis (2).
- stop elements (4) are provided, which are larger in diameter than the polygonal section are and have magnetically effective surfaces (6).
- the Distance between the two stop elements (4) essentially the thickness of 2 wrenches. Accordingly are two wrenches on the intermediate piece (1) of the same size attachable by the magical effective surfaces (6) of the stop elements (4) lateral sliding can be secured. So an open-ended wrench by means of the intermediate piece (1) Open-end wrenches can be extended, creating a longer lever arm results.
- the adapter axis is in the assembled state (2) perpendicular to the broad side of the flat wrench. If 2 wrenches of the same length are used, the through the intermediate piece (1) only by the material thickness of the The key is the intermediate piece (1) in the middle between the two wrenches (not shown) arranged.
- the two wrenches can extend straight in the side view and to form a straight lever arm. Depending on the application the two wrenches can also be angled to each other stand, which is why also inaccessible screws can be screwed.
- Deviating from the embodiment described so far under Figure 1 can also graded several outer polygons (3) with different wrench sizes side by side be arranged like this by a dash-dotted line is indicated. So you can, for example Put the 13 and 14 keys together using the adapter (1), if the outer polygon (3) the corresponding Have dimensions. In this case, the usual Classification of the wrench dimensions the one in front End a 12 and the other end a 13 key on.
- a central longitudinal bore can also be along the intermediate axis (2) (8) can be provided via which the stop elements (4) and the intermediate piece (1) are screwed together.
- the longitudinal bore (8) can also Inner polygon (Allen) can be provided.
- wrenches can be inserted that are polygonal section and its front free end is angled L-shaped.
- Figure 3 shows another embodiment that is special suitable for connecting and extending ring spanners is.
- the polygons (3) form screw heads Tenons that are perpendicular to the larger diameter areas the stop elements (4).
- the stop elements (4) are preferred in all embodiments round.
- a plugged onto an external polygon (3) Ring wrench is in turn magnetic effective surface (6) secured against lateral sliding, the main power transmission via the outer polygon (3) from one wrench to the other Wrench is done.
- the stop elements (4) related to the adapter axis (2) essentially cone-shaped in the middle between the two protruding outer polygons (3) arranged.
- the outer polygon (3) can in turn be designed in several stages be and have different key pair widths.
- the keys 7 and 8, 9 and 10, 11 and 12, 13 and 14, 15 and 16, 17 and 18, 19 and 20, 21 and 22, 23 and 24, 25 and 26, 27 and 28 and 29 and 30 can be combined with each other.
- the intermediate piece (1) consists of a one-piece part.
- the intermediate piece (1) can consist of several individual parts exist, which are rotatable about the intermediate piece axis (2) are stored.
- FIG. 4 shows a front view of the intermediate piece (1) from Figure 3.
- the stop elements (4) for example Drilled holes in the stop elements (4), in the magnets (9) are glued in place.
- the Stop elements (4) themselves be magnetized, wherein in the magnetization direction selected in all embodiments is that the wrenches attached to the magnetic To draw conclusions.
- stop elements (4) (not shown) be provided.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Joining Of Building Structures In Genera (AREA)
- Dowels (AREA)
- Paper (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Connection Of Plates (AREA)
Description
Die beiden soeben angeführten Nachteile machen sich vornehmlich beim Umgreifen störend bemerkbar.
Claims (10)
- Zwischenstück zum Verbinden und Verlängern von Schraubenschlüsseln, wobei das Zwischenstück (1) längs der Zwischenstückachse (2) als Außenmehrkant (3) ausgebildet und der Außenmehrkant (3) symmetrisch zur Zwischenstückachse (2) angeordnet ist und wobei im wesentlichen scheibenförmige Anschlagelemente (4) zur Fixierung und Ausrichtung der an das Zwischenstück (2) angesetzten Schraubenschlüssel (7,9) vorgesehen sind, welche quer zur Zwischenstückachse (2) stehen und welche den Außenumfang des Außenmehrkants (3) rechtwinklig zur Zwischenstückachse (2) zumindest etwas nach außen hin überragen, dadurch gekennzeichnet, daß die Anschlagelemente (4) magnetisch wirksame Flächen (6) aufweisen, wobei die Magnetisierung jedes der Anschlagelemente (4) derart ist, daß jeder der angesetzten Schraubenschlüssel (7,9) einen magnetischen Rückschluß im Magnetfeld des dem angesetzten Schraubenschlüssel (7,9) benachbarten Anschlagelementes (4) bildet und daß das Magnetfeld derart örtlich gerichtet ist, daß jeder der angesetzten Schraubenschlüssel (7,9) vor seitlichem Abgleiten gesichert ist.
- Zwischenstück nach Anspruch 1, dadurch gekennzeichnet, daß es einen Innenmehrkant umfaßt, welcher sich entlang der Zwischenstückachse (2) und symmetrisch zu dieser erstreckt.
- Zwischenstück nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Anschlagelemente (4) an den freien Enden (5) des Zwischenstücks (1) ausgebildet sind.
- Zwischenstück nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß die Anschlagelemente (4) im Mittenbereich des Zwischenstücks (1) angeordnet sind.
- Zwischenstück nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in den Anschlagelementen (4) Bohrungen ausgebildet sind, in welchen Magnete vorgesehen sind.
- Zwischenstück nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Anschlagelemente (4) rund sind.
- Zwischenstück nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß längs der Zwischenstückachse (2) abgestuft mehrere Innen- oder Außenmehrkante (3) in unterschiedlichen Schlüsselweiten ausgebildet sind.
- Zwischenstück nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Zwischenstück (1) längs der Zwischenstückachse (2) aus mehreren Einzelteilen besteht, daß die Einzelteile um die Zwischenstückachse (2) relativ zueinander drehbar gelagert sind und daß zwischen den Einzelteilen ein einstellbares Drehrichtungsgesperre (7) vorgesehen ist.
- Zwischenstück nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Innen- oder Außenmehrkant (3) ein Vierkant oder ein Sechskant ist.
- Zwischenstück nach einem der vorhergehenden Ansprüche, dadurch gekennzeichent, daß das Zwischenstück (1) längs der Zwischenstückachse (2) eine Längsbohrung (8) aufweist, die einen Gewindestab oder ein Innengewinde enthält.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9218286U DE9218286U1 (de) | 1992-12-03 | 1992-12-03 | Zwischenstück zum Verbinden und Verlängern von Schraubenschlüsseln |
DE4240748 | 1992-12-03 | ||
DE9218286U | 1992-12-03 | ||
DE19924240748 DE4240748C2 (de) | 1992-12-03 | 1992-12-03 | Zwischenstück zum Verbinden und Verlängern von Schraubenschlüsseln |
PCT/DE1993/001139 WO1994012319A1 (de) | 1992-12-03 | 1993-11-30 | Zwischenstück zum verbinden und verlängern von schraubenschlüsseln |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0627973A1 EP0627973A1 (de) | 1994-12-14 |
EP0627973B1 true EP0627973B1 (de) | 1999-01-20 |
Family
ID=25920991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94900739A Expired - Lifetime EP0627973B1 (de) | 1992-12-03 | 1993-11-30 | Zwischenstück zum verbinden und verlängern von schraubenschlüsseln |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0627973B1 (de) |
AT (1) | ATE175917T1 (de) |
AU (1) | AU5559794A (de) |
DE (3) | DE9218286U1 (de) |
WO (1) | WO1994012319A1 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0483703A1 (de) * | 1990-10-31 | 1992-05-06 | WILLI HAHN GmbH & CO. KG | Spannfutter für Werkzeugeinsätze, insbesondere Schraubendreherbits |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3376768A (en) * | 1967-04-13 | 1968-04-09 | Louis F. Fortunato | Linkage bar for wrenches |
DE3416276A1 (de) * | 1984-05-03 | 1985-11-07 | Helmut 6620 Völklingen Frey | Zwischenstueck fuer schraubenschluessel |
DE8612838U1 (de) * | 1986-05-10 | 1986-07-10 | Holland-Letz, Günter, 4790 Paderborn | Schraubendreher mit Mehrkant-Kugelgelenk |
US4791837A (en) * | 1986-10-16 | 1988-12-20 | Main Harvey M | Speed wrench and hand grip combination |
US5216940A (en) * | 1992-07-20 | 1993-06-08 | Hedden Steven C | Extension apparatus and method for open ended wrench |
-
1992
- 1992-12-03 DE DE9218286U patent/DE9218286U1/de not_active Expired - Lifetime
-
1993
- 1993-11-30 AT AT94900739T patent/ATE175917T1/de not_active IP Right Cessation
- 1993-11-30 DE DE59309329T patent/DE59309329D1/de not_active Expired - Fee Related
- 1993-11-30 EP EP94900739A patent/EP0627973B1/de not_active Expired - Lifetime
- 1993-11-30 WO PCT/DE1993/001139 patent/WO1994012319A1/de active IP Right Grant
- 1993-11-30 DE DE4396052T patent/DE4396052D2/de not_active Expired - Fee Related
- 1993-11-30 AU AU55597/94A patent/AU5559794A/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0483703A1 (de) * | 1990-10-31 | 1992-05-06 | WILLI HAHN GmbH & CO. KG | Spannfutter für Werkzeugeinsätze, insbesondere Schraubendreherbits |
Also Published As
Publication number | Publication date |
---|---|
WO1994012319A1 (de) | 1994-06-09 |
DE4396052D2 (de) | 1996-03-21 |
DE9218286U1 (de) | 1993-12-16 |
ATE175917T1 (de) | 1999-02-15 |
DE59309329D1 (de) | 1999-03-04 |
AU5559794A (en) | 1994-06-22 |
EP0627973A1 (de) | 1994-12-14 |
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