DE2754697A1 - IMPROVEMENTS TO A CLAMP - Google Patents

Description

DlPL-ING. HANS H. HILGERS

PATENT ADVOCATE

D-8OOO MUNICH

Maximilianstrasse 43 Telephone (O 89) 222862 Telex O5-2938O fax machine (O 89) 222862

Postal checking account Munich No. 255 71-8O9 Deutsche Bank Munich No. 46/29226

Your reference / Your Ref. My reference / Our Ref. Date / Date

H-PH 132 - so called December 8th 1977

SOCLETE PARISIENNE D ¹ OUTILLAGE ET DE MECANIQUE

62, rue Pasteur

94800 VILLEJUIF, France

"Improvements to a clamp".

The present invention relates essentially to a clamp.

In particular, the present invention relates to a clamp for tensioning and connecting an element, such as a pipe or a set or bundle of electrical cables, to a support.

There are already known clamps, which are composed of a first cradle-shaped bent part and a second part forming the lid of the cradle. The lid and the cradle constitute two separate independent parts, which are generally provided with corresponding bores at their respective edges. To the element

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to mount in the clamp, the lid and the cradle are with the help of clamping screws that are inserted and screwed into the holes mentioned are united with each other.

However, if you use the element held in the clamp to implement to remove any treatment, you have to remove the clamping screws unscrew from the cover clamped tightly on the cradle and then remove the lid from the cradle. When loosening the lid from the cradle, the worker can always pull the clamping screws and / or loses or drops the lid separated from the cradle, this fact constituting a major disadvantage of this type of clamps. The same disadvantage, of course, applies to the installation this impractical clamp.

To screw in and unscrew the clamping screws, the worker also needs a special tool, such as a screwdriver, which in turn represents a disadvantage of the known clamp Ilen.

The object of the invention is to remedy these disadvantages and to provide a clamp that has its various components for holding or releasing an element together quickly can be combined or separated from one another quickly, with the risk that one of the components of the clamp will be lost, as well the use of a special tool is excluded.

According to the present invention, this object is achieved with a Clamp achieved, which is characterized in that the cover is hinged to the edge of the cradle and that this cover is provided with elastic locking means that can be opened by folding down of the lid on the cradle with additional locking means, which in turn arranged on the edge of the cradle facing away from the hinge connection are to work together.

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Since the lid is hinged to one edge of the cradle, these two components represent an inseparable unit. This means that the lid can no longer be accidentally lost.

Thanks to the elastic locking means of the lid and the supplementary elastic locking means of the cradle takes place Closure of the clamp by simply folding down the lid on the cradle, with a slight pressure on the with the mentioned locking means provided edges of both components is exercised. The clamp according to the invention is opened in such a way that said locking means are elastically unlocked and that the hinged lid with the cradle is folded up.

The opening and the closure of the clamp according to the invention therefore takes very little time and the use of clamping screws or similar means and their regulations Mandatory replacement after a few operations are avoided, so that you save time and money in a particularly advantageous manner saves. In addition, there are labor costs for installation and testing the clamps significantly reduced.

According to a preferred embodiment of the present invention the cradle comprises second resilient locking means, each unintentional Prevent unlocking of the first fastening means of the cover, when the latter cooperates with the complementary locking means of the cradle.

So the accidental unlocking of the with the complementary locking means the cradle effectively connected fastening means of the lid no longer occur. The second locking means then play the role of a safety lock and make each one unwanted separation of the interacting elements impossible. So you can achieve a flawlessly with the clamp according to the invention sen

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secure attachment.

Another preferred embodiment of the present invention Invention comprises the cradle means for attaching an element held in the clamp to a carrier, so that this element at the same time can be held in the clamp and attached to a carrier.

Further features of the present invention emerge from the following description, in which, with reference to the accompanying drawings, a Non-restrictive embodiment example of the invention is explained.

In the drawings show:

- Figure 1 is a side view of a fiction ge masses open Clamp in section along the line I-I of Figure 3, with a Ring is arranged in the cradle of the clamp and an intermediate position of the lid is indicated by dash-dotted lines;

FIG. 2 is a side view of the clamp shown in FIG in closed and locked position;

- Figure 3 is a view according to the arrow ΠΙ shown in FIG Clamp;

FIG. 4 shows a view according to arrow IV of that shown in FIG Clamp;

- Figure 5 is a partially torn section along the line V-V of Figure 2, of the co-operating elastic locking means can be seen; and

- Figures 6 and 7 in perspective with an Isolic ring locked clamp in two opposing

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set positions.

Referring to Fi gur 1 comprises the clamp according to the invention a cradle 1 and a ceiling] 2, which preferably form profile pieces, in particular made of metal. The material from which the cradle 1 and the cover 2 exist, but is selected according to the practical use of the clamp. The cradle 1 consists of the one shown Embodiment on the one hand from a first element 3, which has a flat part 4 and a curved area 5, and from a second, L-shaped element 6, the first end 7 of which with the end 8 of the flat part 4 of the element 3 is connected by known means, for example by welding. Both elements 3 and 4 can of course consist of a single correspondingly folded part exist. The flat parts 4 and 7 are provided with a bore 9. The other end 10 of the second element 6 is connected via a hinge 11 one end 12 of the cover 2 is connected.

The cover 2 is curved or arched, its curvature compared to that of the cradle 1, which is through the first element 3 and the second element 6 is formed, in the closed position of the Lid 2 (Figure 2) is opposite.

At the other end 13 of the cover 2 there are elastic locking means provided, which consist of a hook 14 which has a nose 15 at one end, the curvature of which relative to the general curvature of the Hook 14 is directed in the opposite direction.

The cradle 1 carries elastic at the end 16 of the first element 3 Locking means with a protruding nose 17, the curvature of which is opposite to the general curve of the cradle 1. A second hook 18 is in the immediate vicinity of the nose 17 in FIG articulated to the cradle 1 with the aid of an element 20 attached to the first element 3 of the cradle 1, for example a welded element.

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The flat area 4 of the first element 3 has a projection 21, which is carried out, for example, by punching.

Inside the cradle 1, between the ends 7 and 8 of the respective second and first elements 6 and 4 of the cradle 1 is an electrically conductive Band 22 arranged, for example welded. This band 22 is provided with tabs 23 which penetrate the bore 9 of the flat area 4 and bent back to the surface of the flat portion 4 of the first cradle element 3 from its own. This band exists to Example made of bronze or beryllium or any other good conductive material.

In the cradle 1, a ring, for example an isolation ring, is also installed in a removable manner. This ring 24 corresponds in its dimensions the dimensions of that enclosed between the lid 2 and the cradle 1 Circumference. The ring 24, which is resistant to high temperatures, is made of any suitable material, for example made of "Teflon". It can be made in one or two parts. In the exemplary embodiment shown, this ring 24 is provided with a transverse Slot 25 and provided with a notch 26, which also extends in the transverse direction and the slot 25 is arranged diametrically opposite is. This ring is also provided with shoulders 27 on the circumference of its edges, as is the case in FIGS. 3, 4, 6 and 7 in particular can be seen.

Ee it is noted that the cradle 1 between its edges 10 and 16 more than half of the amount covered by the lid 2 and the cradle 1 limited circle. Preferably, the distance between the edge 10 of the cradle supporting the articulation and the opposite one is Edge 16 of the same slightly smaller than the diameter of the circle delimited by the cover 2 and the cradle 1.

As shown in FIG. 2, the cradle 1 can be inserted into the

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Bore 9 inserted screw 28 or the like. Attached to a carrier will.

The function of the clamp just described will now be based on of Figures 1 and 2 explained. In the open, indicated to the full Position of the cover 2 of the clamp 1 according to the invention is the ring 24, which is outside the clamp 1 in the dashed-dotted line indicated position 24a is guided with the help of its slot 25 around the element that is to be held. The ring 24 is inserted into the clamp 1 and pressed against the edges 10 and 16 of the cradle 1, which deform accordingly. This ring can then Do not jump out of the cradle 1, because the distance between the cradle edges 10 and 16 is slightly less than the diameter of this ring is.

Thereafter, the lid 2 is folded down onto the cradle 1, wherein The latter before the nose 15 of the lid 2 by elastic deformation, the protruding nose 17 of the cradle 1 after overcoming a Resistance point, which the elastic locking of the hook 14 of the Cover 2 on the nose 17 of the cradle 1 allows, encompasses the position 2a indicated in Figure 2 by dash-dotted lines.

The clamp is then locked. As can be seen, the locking process is or the clamp can be locked easily and quickly.

For safety reasons, the lid 2 is then placed on the cradle 1 secure a second time by securing the second hook 18 of the cradle 1, which is the intermediate position 18a indicated by dash-dotted lines assumes, is pressed onto the first nose 15 of the lid 2 and is elastically locked. The clamp is then perfect and secure closed (Figure 2).

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It can be understood that these second means of adjustment each Prevent unlocking or separation of the lid and the cradle. This locking arrangement is therefore particularly reliable.

To make up the clamp according to the invention, the the above operations carried out in the opposite order. With the help of this elastic locking means that the use of complementary ine chanical means, such as clamping screws, make superfluous, a clamp according to the invention can especially can be locked and unlocked quickly. The practical advantages of this clamp are then particularly striking.

Figure 3 shows in particular the hinge 11 for connecting the End 10 of the second cradle element 6 with the end 12 of the lid. This hinge consists of a central circular area 29 of the lid 2, which is arranged between two adjacent circular parts 30 of the cradle 1, with an axis 31 framed at both ends is inserted into these circular parts 29 and 30.

According to a preferred embodiment of the present invention, which is shown in Figures 4 and 5, the nose 15 of the hook 14 has a drilled region 32, which at the end of this nose 15 a Edge 33 limited, the second hook 18 of the cradle 1 latching elastically in this drilled-through area 32. The second hook 18 has in turn a drilled through part 34, which improves the spring effect. As FIG. 4 shows, the articulation of the second hook 18 to the cradle 1 is achieved with the aid of an opening 35 which has an edge 36 limited, which edged between the attached piece 20 and the cradle 1 is.

Of course, various changes can be made to this Clamp are brought about. In particular, there is no need for the second locking with the aid of the hook 18, provided there is no risk of accidental

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Unlocking the lid 2 and the cradle 1 is excluded . The ring, for example the insulating ring 24, may not be provided in the clamp.

The purpose of the conductive tape 22 is effective to connect the clip to the exchanger, which latter is fixed to the earth. This band 22 can also serve to connect the ring 24 to the earth, if one is provided . This electrically conductive tape 22 is only used when an effective connection to the ground is necessary, so that it is not provided in all other cases.

The nose 21 serves to prevent any rotation of the clamp with respect to its fastening axis. This blocking can also be achieved with the help of a suitable, for example cross- shaped grooving , which is provided on the outer surface of the clamp that is in connection with the carrier.

In the exemplary embodiment of the present invention shown , the first element 3, the second element 6 and the cover 2 each have a flat, essentially rectangular cross-section . The cross-section of these profile pieces can of course be designed differently, for example circular.

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Claims (14)

DlPL-ING. HANSK HILGERS PATENT ADVOCATE D-8OOO MUNICH MaximilianstraOe 43 Telephone (O89) 22 2862 Telex O5-29 38O Facsimile (O 89) 22 28 62 Postal checking account Munich No. 255 71-8O9 Deutsche Bank Munich No. 46/29226 Your reference / Your Ref. My reference / Our. Ref. Date / Date H-PH 132 - so called December 8th 1977 PATENT CLAIMS Clamp with a first cradle-shaped bent part and a second part forming the lid of the cradle, characterized in that the lid (2) with the edge of the cradle (1) is articulated and is provided with elastic locking means (14, 15) which by folding down the lid (2) on the cradle (1) with complementary locking means (17) on that of the articulated connection opposite edge (16) of the cradle are arranged, cooperate. 2. - Clamp according to claim 1, characterized in that that the cradle (1) with second elastic locking means (18) is provided, which serve to unlock the locking means (14) of the lid (2) if the latter with the complementary locking means (17) to prevent the cradle (1) from being engaged. 3. - Clamp according to claim 1 or 2, characterized that the cover (2) and / or the cradle (1) are formed by profiled pieces, for example made of metal. 809828/0549 _ ₂ _ ORIGINAL INSPECTED 4. - Kli'mrnschullij according to any one of claims 1 to 3, characterized in that the cover (2) is curved or arched, wherein its curvature in relation to the curvature of the cradle (1) in the closed position of the lid, is opposite. 5. - Clamp according to one of the preceding claims, characterized characterized in that the cradle (1) includes more than half of the circumference bounded by the cover (2) and the cradle (1). 6. - Clamp according to claim 5, characterized in that that the distance between the edge (1 0) of the cradle (1), which the articulated connection (11) carries, and the opposite edge (16) of the same slightly larger than the diameter of the cover (2) and the Cradle (1) of limited circumference. 7. - Clamp according to one of the preceding claims, characterized characterized that the complementary locking means that on the edge (16) of the cradle (1) facing away from the articulated connection (11) are provided, consist of a projecting curved nose (17), the curvature of which is generally opposite to the curvature of the cradle (1) is directed, and that the locking means of the lid (2) comprise a hook (14) which, after overcoming a point of resistance the projecting nose (17) of the cradle (1) engages elastically. 8. - Clamp according to one of the preceding claims 2 to 7, since - characterized in that the second locking means have a second hook (18) which is in the immediate vicinity of the protruding nose (17) of the cradle (1) is articulated with the latter, and that the first hook (14) of the lid (2) at its end with a curved nose (15) is provided, the curvature in relation to the general curvature of the hook (2) is opposite, the 809828/0549 second hook (18) hinged to the cradle (I), the protruding one The nose (15) of the ceiling (Z) is elastically locked. 9. - Clamp according to claim 8, characterized marked t, that the protruding nose (15) of the first hook (14) of the lid (2) is provided with a drilled through area (32) which is at the end of the said nose delimits an edge (33), the second hook (18) hingedly connected to the cradle (1) in this drilled area snaps into place elastically. 10. - Clamp according to one of the preceding claims, characterized characterized in that the cradle (1) is provided with means enabling it to be attached to a support. 11.- Clamp according to claim 10, characterized in that that said fastening means are a flat part or a fastening sole (4) which is provided with a bore (9) to enable the clamp (1) to be fastened to said carrier. 12. - Clamp according to claim 11, characterized in that that the aforementioned fastening sole (4) has a nose (21) or a Has projection on their surface in communication with the carrier. 13. - Clamp according to one of claims 1 to 12, characterized ge - indicates that a removable insulation ring is installed (24), the dimensions of which essentially correspond to those of the circumferential circle enclosed between the cover (2) and the cradle (1), is arranged in the cradle (1). 14. - Clamp according to one of claims 10 to 13, characterized ge - indicates that there is an electrically conductive tape in the cradle (1) (22) is provided which extends on the means for fastening the clamp to a carrier and is in contact with the latter. 809328/0549