EP0610834B1 - Outil de montage - Google Patents
Outil de montage Download PDFInfo
- Publication number
- EP0610834B1 EP0610834B1 EP94101751A EP94101751A EP0610834B1 EP 0610834 B1 EP0610834 B1 EP 0610834B1 EP 94101751 A EP94101751 A EP 94101751A EP 94101751 A EP94101751 A EP 94101751A EP 0610834 B1 EP0610834 B1 EP 0610834B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nut
- tool
- hammer
- assembling tool
- ring
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
-
- 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
- B25B13/00—Spanners; Wrenches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F1/00—Combination or multi-purpose hand tools
Definitions
- the invention relates to an assembly tool with a nut turning tool, which is connected via a one-way clutch to a hand lever-like grip part, and hammer-like striking surfaces are formed in the outer region of the mounting of the nut turning tool.
- Such an assembly tool is known, for example, from DE-U-1 723 997.
- the fitter When assembling and disassembling a variety of steel structures, especially scaffolding, screws have to be tightened or loosened, wedges have to be tightened or loosened, and other components have to be moved into a fitting position by impact forces.
- the fitter mostly uses a wrench, usually called an idle clutch, freewheel or ratchet or ratchet, and a hammer. Due to the annoying handling of two tools, the fitters usually use the ratchet wrench to hit instead of a hammer at the same time. For this he has no suitable areas with a correspondingly stable environment. The housing of the freewheel clutch is often damaged and the freewheel function may be impaired.
- DE-A-26 39 988 shows at one end a hammer head and at the other end a ratchet with a polygonal pin for holding nuts.
- a tool is difficult to transport and difficult to handle.
- This known combination tool has a nut turning tool, but no nut plug tube, which would be connected directly to a hand lever-like handle part via a one-way clutch.
- SU-A-13 08 456 shows a hexagonal tool with a handle and a special head design, which, however, has not been used in practice and, as can be seen from the drawings, is also not specially designed for use as a hammer.
- DE-U-17 23 997 also shows a ratchet wrench for tubular frame couplings, in which the head part of the ratchet wrench surrounding the plug-in sleeve with the ratchet toothed ring and the associated pawls is provided on the circumference with reinforcements, preferably in the form of hammer-like projections, which also use the ratchet wrench as Allow striking tool.
- the head part which is firmly connected to the handle and which receives the movable parts, is provided with hammer-like reinforcements on the circumference. It is not specified and also not apparent that the head and handle should be made of different materials. Despite the fact that this proposal has been known for a long time, it has not found its way into practice. This is probably due to the poor choice of materials and inappropriate weight distribution.
- the invention has for its object to provide an assembly tool for screw heads and nuts with training for tightening and striking wedges by arranging hammer-like approaches such that inexpensive structure design and choice of material with the greatest possible suitability for hitting without injury to the Tooth and pawl arrangement low weight and particularly advantageous weight distribution and inexpensive manufacturing options can be achieved.
- the elongated handle part is formed with a long handling part and an upper ring and guide part made of light metal and that a freewheel cover part designed as a separately manufactured component is provided with two reinforcing features which are arranged on the outside and opposite one another and have the hammer-like striking surfaces , which also have overlapping the ring and guide part of the handle part, partially nose-like edge shapes and wherein the freewheel cover part is designed as a steel forged part.
- Ring part of the freewheel cover part has formed the striking surfaces so directly that they grip around the ring part of the light metal grip part projecting beyond the part plane with inner part cylinder surfaces.
- the ratchet wrench is a tool with a very uneven weight distribution, it is particularly suitable for hammer-like training in the area of the already heavy ratchet and the nut plug-in tube.
- the high weight of the nut tool or head tool is also used as part of the hammer head for a large weight of the same.
- the assembly tool according to the invention can advantageously be designed such that it is a ratchet wrench that can be used in both directions of rotation and has a continuous hexagon tube as a nut plug-in tube. Furthermore, it can be provided that the reinforcement features have a width that is approximately the same as the bearing diameter of the nut plug-in tube and that the length of the reinforcement features is about 5: 7 to the width thereof. It is expedient if the inner contour of the reinforcement forms part-cylindrical in the vicinity of the cylindrical outer wall of the ring and guide part.
- the new assembly tool 10 is designed as a combination tool and has a handle part 11 and a freewheel cover part 12. Both have ring holders for the nut plug-in tube 14 which is designed with an hexagon socket. This has an external toothing 15. The detent pawl which can be displaced in an inclined groove engages in the external toothing 16, which is pressed into the holding position by the spring 17.
- the handle part 11 has a long handling part 18 and an upper ring and guide part 19. They are designed here as a one-piece light metal molded part, in particular a die-cast part.
- the nut plug-in tube 14 is held by a freewheel cover part 12 which is customarily designed in its storage area and with regard to the attachment.
- Both components are equipped with mating surfaces 20, by means of which they lie on one another. Rivets, screws or other connecting means 21 extend through these.
- the freewheel cover part 12 has two reinforcing features 22 on the outside. These extend laterally over the round ring area of the ring and guide part 19 and are designed there like a nose. You have outer Striking surfaces 24 with a width of 26 and a length of 25. The width 26 is chosen in such a way that the head dimensions allow for the material distribution during manufacture and make the use of a hammer appear expedient. The length 25 is chosen so that the entire thickness of the holding part of the tool, so that the ends of the nut tube 14 protrude in the usual way.
- the handle part 11 is made of light metal die-casting
- the freewheel cover part 12 is made of steel as forgings.
- the design for using a powerful hammer can be easily and advantageously realized without additional components only by changing the shape of the one tool housing part. It is a very useful, very easy to handle and unnecessary fiddling with individual tools, light and highly stable combination tool.
- the handle part (11) is made of light metal and the freewheel cover part (12) having the reinforcing features (22) with the striking surfaces (24) is a steel forged part.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Gripping On Spindles (AREA)
- Processing Of Terminals (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Claims (5)
- Outil de montage comprenant un outil de rotation d'écrous (douille à écrou 14), qui est relié, par l'intermédiaire d'un accouplement à roue libre, à une pièce de poignée (11) en forme de levier à main, et sur lequel sont réalisées, dans la zone extérieure du palier de montage de l'outil de rotation d'écrous (14), des surfaces de frappe (22, 24) similaires à celles d'un marteau, caractérisé en ce que la pièce de poignée (11) de forme allongée, qui comprend une partie de manoeuvre (18) de grande longueur et une partie annulaire de guidage (19) supérieure, est réalisée en métal léger, et en ce qu'une pièce de couvercle d'accouplement à roue libre (12), conçue en tant que pièce à fabriquer séparément, est pourvue de deux protubérances de renfort (22), qui sont disposées à l'extérieur, de façon opposée l'une à l'autre, qui comportent les surfaces de frappe (24) similaires à celles d'un marteau, et qui présentent également des protubérances de bordure partiellement en forme de talon et s'étendant par dessus la partie annulaire de guidage (19) de la pièce de poignée (11), la pièce de couvercle d'accouplement à roue libre (12) étant réalisée en tant que pièce forgée en acier.
- Outil de montage selon la revendication 1, caractérisé en ce qu'il est conçu en tant que clé à cliquet pouvant être utilisée dans les deux sens de rotation, et comportant une douille à cavité intérieure traversante à six pans, en guise de douille à écrou (14).
- Outil de montage selon l'une au moins des revendications précédentes, caractérisé en ce que les protubérances de renfort (22) présentent une largeur (26) environ égale au diamètre de palier de la douille à écrou (14).
- Outil de montage selon l'une au moins des revendications précédentes, caractérisé en ce que la valeur de la longueur (25) des protubérances de renfort (22) est environ égale à 5:7 de la valeur de la largeur (26) de celles-ci.
- Outil de montage selon l'une au moins des revendications précédentes, caractérisé en ce que le contour intérieur des protubérances de renfort (22) s'étend sous forme partiellement cylindrique, dans la zone proche de la paroi extérieure cylindrique de la partie annulaire de guidage (19).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4303631 | 1993-02-09 | ||
DE4303631 | 1993-02-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0610834A1 EP0610834A1 (fr) | 1994-08-17 |
EP0610834B1 true EP0610834B1 (fr) | 1997-01-08 |
Family
ID=6479909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94101751A Expired - Lifetime EP0610834B1 (fr) | 1993-02-09 | 1994-02-05 | Outil de montage |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0610834B1 (fr) |
AT (1) | ATE147312T1 (fr) |
DE (2) | DE59401488D1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010076331A2 (fr) | 2009-01-05 | 2010-07-08 | Wera - Werk Hermann Werner Gmbh & Co. Kg | Clé à cliquet avec tête de marteau |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104416510A (zh) * | 2013-08-30 | 2015-03-18 | 中国石油集团长城钻探工程有限公司 | 用于螺纹连接件的拆装工具 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1723997U (fr) * | ||||
DE2639988C3 (de) * | 1976-09-04 | 1979-02-15 | Heinz 3252 Bad Muender Zimmermann | Kombiwerkzeug |
-
1994
- 1994-02-05 DE DE59401488T patent/DE59401488D1/de not_active Expired - Lifetime
- 1994-02-05 EP EP94101751A patent/EP0610834B1/fr not_active Expired - Lifetime
- 1994-02-05 DE DE4403629A patent/DE4403629A1/de not_active Withdrawn
- 1994-02-05 AT AT94101751T patent/ATE147312T1/de not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010076331A2 (fr) | 2009-01-05 | 2010-07-08 | Wera - Werk Hermann Werner Gmbh & Co. Kg | Clé à cliquet avec tête de marteau |
Also Published As
Publication number | Publication date |
---|---|
ATE147312T1 (de) | 1997-01-15 |
EP0610834A1 (fr) | 1994-08-17 |
DE59401488D1 (de) | 1997-02-20 |
DE4403629A1 (de) | 1994-08-11 |
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