DE2429726A1 - SEALING DEVICE FOR WATCH CASE - Google Patents

Description

Maxton ■ Maxton ■ Langmaack patent attorneys

Applicant: Rend Soguel Alfred Maxton sr.

_TT ^ - " /", .ν Alfred Maxton ir.

Les Hauts-Geneveys (Switzerland;, ",,

^J - ^x 'Jürgen Langmaack

Our reference: 689 pg 741

5 Cologne 51

Pferdmengesstrasse 50

Sealing device for watch cases ^Ta 9 ^: June 7th 1974

The invention relates to a sealing device for a watch case on the passage of the actuating shaft .tes. Such a device consists of a part firmly united with the housing, a movable part connected to the actuating shaft and an annular sealing fitting ; which is elastically deformable and interacts with said parts' and is arranged around a cylindrical surface of one of the two parts and in an annular recess of the other part, in which it is clamped between annular surfaces in this recess.

It has already been proposed to make the sealing of a winding crown around a tube fixed to the housing and to use a sealing set that has the annular recess of the crown in which the sealing set is arranged, not completely "clogged" and by a bezel ring or washer

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is held, with the sealing set according to this older Proposal should have an essentially semicircular profile, the straight profile part of which rests on the pipe, while the round profile part experiences an oblique pressure on the part of the walls of the recess, some of which is caused by the bottom of the recess be formed in the crown body and in part by the inner surface of the edging washer. The sealing fitting of the previously known device was non-rotatable with the pipe connected when the crown was rotated relative to the tube. However, the one on the round profile part had the Sealing set exerted oblique pressure, which also offered numerous advantages, the disadvantage only with the elasticity of the To be able to work together sealing set in order to allow a slight out-of-roundness of the crown relative to the tubes. in the With regard to the inclined pressure in question, a change in the radial side at the support point called a Change in the axial compression so that the out-of-roundness could only be permitted to a relatively small extent. In addition, the oblique pressure led to a relatively strong radial pressure in the wake, as soon as a little too much strong tensioning set, so that on the one hand the resistance increased in an unfavorable way, that on the part of the crown one Rotating movement that you wanted to give it, while on the other hand the pressure could lead to a crushing, even cause the packing to tear.

In other sealing devices of the same type, the

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Diehtimgspackung in a recess in the crown, so to speak completely `` clogged '', resulting in numerous disadvantages, like the impossibility of a certain roundness in To take purchase, a very large resistance when rotating and in particular wear and deformation which almost inevitably lead to tearing or wear of the sealing fitting.

It is an object of the invention to provide a sealing device to propose the type in question which does not contain the aforementioned disadvantages and which result from this Basically from the known statements in the following points differs:

The sealing set has a profile whose height in the radial direction of its ring shape is essentially is at least equal to the width in the axial direction of its ring shape,

- the mentioned partial ring surfaces of one part, which jam the sealing set, lie to each other on both sides of the set essentially axially opposite, and exert an axial pincer pressure on them from which is essentially free of radial components, the partial annular surfaces on annular projections are arranged, which protrude axially against the clothing, so that the axial clamping of the clothing only between two opposite one another

Ring zones are made, which compared to the profile height "409.883 / 0994

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the set are narrow, while laterally this Partial ring surfaces are non-trapped zones, so that the trapping leads to an expansion of these Profile height leads,

the sealing fitting comprises a retaining ring around at least one elastically deformable fitting body is arranged radially in order to limit the aforementioned radial expansion outward, so that it is after takes effect on the inside against the aforementioned cylindrical surface on which the set rests, the ring is not in direct contact with any of the named parts,

The surfaces through which the set is clamped axially, and the surface through which the set is the spans mentioned cylindrical surface, have such pressure relationships and dimensions that at a relative rotation between the two parts mentioned, the sealing fitting rotatably fixed to the part is connected to whose cylindrical * it engages. Preferably, the aforementioned annular surfaces brace the sealing fitting axially on the opposing annular zones approximately in the middle of the height of the profile of the set.

According to a preferably simple embodiment of the invention

* Area

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■ - 5 - "

the ring has a flat elongated profile and surrounds one Sealing body in the form of an O-ring or in the form of a Ring with a square or rectangular cross-section.

Another object of the invention is to provide a more technically developed embodiment of the device, wherein the sealing fitting consists of two fitting bodies, which are made of elastic material, the mentioned ring which consists of metal or a plastic material of greater hardness than the set, has a T-profile whose web is directed radially inward and at least up to the

¹ and

The area of the annular clamping zones is sufficient, with the two Sealing bodies are arranged on both sides of the web of the T, in each case under a flange of the T-profile. The two Set bodies can easily have a rectangle or square profile with a height that extends in the radial direction greater than or equal to their strength, while in the axial direction these sealing bodies can be manufactured cheaply by punching from a plate of a corresponding height.

The object of the invention is also to provide a device

one

deliver, which ensures a seal of the watch case at the passage point for the actuation shaft and the following Features:

A tube that is united with the housing, protruding therefrom and having a cylindrical outer surface,

A winding crown that unites with the shaft and with A09883 / 0 994

it is rotatable and in which a recess through a coaxially arranged in the crown body A recess is provided and which closes off an edging washer at the side,

and an annular seal assembly, the one can suffer elastic deformation and on the one hand around the cylindrical surface of the pipe mentioned on this attacks, while on the other hand it is housed in the mentioned recess of the crown, the Sealing set has a profile, the height of which in the radial direction of its ring shape essentially at least equal to the width in the axial direction of its Corresponds to ring shape, the set being clamped between ring surfaces, .die in the recess mentioned on the one hand at the bottom of the recess in the crown body and on the other hand on the edging washer are arranged,.

and where:

the partial ring surfaces which brace the sealing set, at least approximately axially to one another on both sides opposite the set, on which they have an axial and essentially radial components

σ exert free pincer pressure and with the ring surfaces (O

are formed by ring projections that axially oppose oo

^ _n , the set protrude to the axial pressure

cd this exclusively between the two opposite one another

* "* exercise overlying, annular press zones, the

. compared to the mentioned profile height of the set are narrow and adjoin the zones on the side, which do not receive any pressure, the pincer pressure causing an increase in height.

The sealing set must always have a radial support,
ring which is arranged around at least one elastically deformable fitting body in order to limit the radial expansion outwards, so that the expansion inwards comes into effect against the aforementioned cylindrical tube surface, the ring not in direct contact with either the tube or the crown arrives.,. ;

According to a further subject matter of the invention, the sealing ' set preferably consists of two set bodies made of elastic material, one of which has a circular profile, during the other has a rectangular profile and the height of each of these two profiles is greater than their thickness, while the ring made of metal or a plastic, but harder material than the fitting body has a T-profile, the web of which is radially inward at least up to the area of the aforementioned annular Clamping zones leads into it and the two fitting bodies on both sides of the web of the T and each under a flange of this T-profiles are arranged. In the event that the ring has a T-profile has, the web of the T also preferably, according to a further subject matter of the invention, is triangular-shaped at least on one side Tongues that are worked out from him and from him

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stand out in order to penetrate into the corresponding fitting body set this with a rectangular cross-section, whereby the other side can also preferably have a groove, which the inclusion of the ring with a fitting body of Circle profile favors.

These and other features and advantages of the invention will become apparent explained on the basis of the description, reference being made to the drawings. These show in

FIG. 1 shows a section through a sealing device of a winding crown, which is arranged around a pipe, the device has a simple construction and in the left and right parts of the drawing two modifications of this Make the construction recognizable, namely on the left with a sealing set body in the form of an O-ring, on the right with a Sealing fitting body in the form of a ring with a rectangular cross-section.

FIG. 2 shows a section corresponding to FIG. 1 through a further embodiment of a sealing device of a Wind-up crown, which is arranged around a pipe, with the sealing fitting consists of two set bodies, which have a rectangular cross-section and under the flanges of a ring are arranged with a T-profile,

Figure 3 shows another embodiment of a sealing device

409883/0994

direction of a winding crown, which is arranged around a pipe, the same general construction as provided in FIG However, two sealing bodies are used which have different shapes.

Figure 4 shows a section on an enlarged scale through a winding crown provided with a bezel washer which is used in connection with the embodiments can be used according to Figures 1 to 3,

FIG. 5 is a representation corresponding to FIG. 3, it being shown how the winding crown according to a modified one Embodiment can be formed,

FIG. 6 shows a diagrammatic representation of a detail of the sealing fitting according to the embodiments Figure 1 related ring and

FIG. 7 shows a diagrammatic representation of two details of the ring, as it is in a sealing fitting according to FIGS Embodiments according to Figure 3 can be used.

According to Figure 1, a winding crown 2 is screwed in the usual way on a winding shaft 4, which is within a with the housing, not shown, firmly united tube 6 is arranged. The crown 2 has a hub 14, which engages in the tube 6 to the usual way To enable union of the crown 2 with the shaft 6.

409883/099 /;

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The crown body 12 has in its part surrounding the tube 6 an annular recess 18 in which there is an annular Sealing element 8 (according to the embodiment in the left Side of Figure 1) or 8 '(in the embodiment according to the right side of Figure 1) is located. This sealing set is supported with a certain pressure against the Outer bottle 1o of the tube 6 and is to guarantee a sufficient sealing pressure on this surface in arranged in a particular way in the interior of the recess 18. This is in the crown 2 by turning a ring with a special Profile formed and is closed laterally by an edging washer 16. The bottom of the " recess, which is provided in the crown body 12, has an annular projection 2o which protrudes in the direction of the bezel 16. This facing disk in turn is provided with an annular projection 22 which protrudes against the annular projection 2o and lies opposite it.

The annular surface parts 24 and 26, which are mutually attached to the projections 2o and 22 are opposite, bracing laterally, d. H. in axial direction and without radial component, an elastic sealing fitting body 28 (left embodiment) or 28 · (right embodiment), which in this way one exactly determined lateral clamp pressure approximately in the middle of its height (i.e. the radial extent of the profile of this Set body 28 or 28 ') receives.

409833/0994

It should be pointed out at once that the clothing body 20 or 28 ', the exact Eorra of which is described below, by no means completely fills the recess 18, so that it can deform without causing "clogging". The lateral pliers pressure acting on it deforms it in the sense of "increasing its height. Since this sealing fitting body 28 or 28 'lies under tension on the cylindrical inner surface 10 of the pipe 6, its endeavor would, under the effect of the lateral pliers pressure, increase the height induce the body to increase, then an enlargement of the outer diameter, if no special measures would be taken without the radial 1ο significant against the cylindrical surface inwardly acting pressure would be increased. if this Garnitürkörper 28 or 28 ^r exclusively Abdichtungsgarn, itur in would form the recess 18, then its radial extension in the limit case would bring its outer surface into contact with the side wall 19 of the recess 18, which is just to be prevented Disadvantage is avoided, and for this reason includes a ring 3o au s Metal or possibly another plastic that is substantially more rigid than the sealing body 28 or 28 ', the sealing body, surrounds and prevents it from expanding outwards. The forceps pressure through the partial ring surfaces 24 and 26 is transferred for this reason in the sense

409883/0994

an increase in height in a balanced way, male outwards against the ring 3o and inwards against the cylindrical surface 1.o. This tendency to increase the height is therefore limited by the ring 3o and there is practically no actual radial expansion of the sealing fitting body 28 or 28 'but only a deformation of this body, which results in a pressure against the cylindrical surface 1o of the pipe 6 , the height of which is regulated by the pressure which the partial annular surfaces 2o and 22 exert against the laterally opposite annular zones of the sealing fitting body. It should be noted that the ring 3o is dimensioned so that it is only in contact with the fitting body which it comprises so that there is no friction between the ring 3o and the crown body 12 or the bezel ring washer. In addition, the shape, which was given to the projections 2o and 22 at will, that the part-ring clamping surfaces 24 and 26 remain limited in any case, whatever the pressure and the profile of the fitting body 28 or 28 ^f outside the clamping zones is chosen . The dimension of the projections 22 and the shape of the fitting body 28 or 28 · are in view of the

the
Diameter cylinder surface 1o provided so that when the crown 2 rotates relative to the pipe 6 of the sealing fitting body 28 or 28 'and with it the ring 3o, ie the entirety of the sealing fitting 8 or 8 ¹ , is united with the pipe 6, while the Sliding

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movement at the point of the partial ring surfaces 24/26 and the Projections 2o and 22 comes into being. If the The crown 2 is pulled axially out of the tube 6, how this is done in order to bring the winding shaft into a position in which the time or date is displayed should, the sealing set naturally slides lengthways the cylindrical surface 1o of the tube 6, however, takes place this sliding without mutual twisting, so that any dust particles or any residues are removed in the long run not along the cylindrical surface 1o "screw it in" by placing it under the sealing kit. reach. In addition, the sliding movements of the partial surfaces call 24 and 26, which are relatively low, have only moderate resistance to the sealing fitting body relative to the rotary movement of the crown, so that an arrangement as shown in Figure 1 allows the crown is extremely soft and comfortable to operate, in any case considerably softer than a crown through "Clogging" a sealing set is sealed, and also softer - without affecting the sealing quality suffered from this - as a crown, which by a seal is sealed with a semicircle profile that does not twist in relation to the pipe, apart from the Change in the resistance of such an arrangement

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if there is any out-of-roundness.

The degree of sealing that is achieved with a pincer pressure that creates only a weak resistance to rotation, is already quite satisfactory and can of course can be improved by increasing the pressure of the tongs. In this way you would with an increase in the forceps pressure up to an extent that would induce a rotational resistance which corresponds approximately to that of a conventional device, provide a sealing effect of very high value, in particular a higher value as this is then obtained, if one were to set the same rotational resistance in a conventional arrangement.

An essential peculiarity of the device described, which is particularly important for the embodiment according to right side of Figure 1 receives (a single set body with square or rectangular cross-section) or according to Figure 2 (two square or rectangular fittings), there is still a high level of sensitivity to out-of-roundness. Assuming that when the winding crown 2 is rotated relative to the tube 6, the distance between the Projections 2o and 22 on the one hand and the cylinder surface on the other hand to a considerable extent due to an out-of-roundness changes, (which is at least possible if the centering is done by a thread) so one does not observe any additional Pressure of the gasket body as a result of such a high

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storage. Only the lateral ring zones of the clothing body, on which the sliding movement of the surfaces 24 and 26 come into effect, shift slightly in the radial direction, however, the forceps pressure is not modified in any way and do not appear on any part of the sealing set Overpressure against another part, since the pliers pressure acts only axially and the surfaces 24 and 26 are precisely predetermined in their width.

Otherwise, the ring 3o always remains fixed to the outside in relation to the set body which it surrounds; as soon as irregularities occur, he changes his position more or less in the direction of the side surface 19 of the recess 18, but the play is sufficient (as the drawing shows) in order to avoid friction between the ring 3o and the wall 19 during these changes in position. The same applies an axial roundness (inadequate manufacture in the animal position of the bottom of the recess 18 or poor setting the mount ring washer 16), the ring and the parts of the fitting body with the exception of those which suffer the pressure of the pliers, may easily move away from the The bottom of the excavation 18 or the ring washer 16 could be removed or approached, but never could these points come into contact (and thus friction in the case of rotation). It can therefore be seen that the sealing device according to the invention is in

409683 / 0-99A

shows numerous points as being very advantageous over other sealing devices, especially in the case of wind-up crowns of clocks.

Then different Abwand lung η and embodiments the sealing set according to the invention are described. The embodiment on the left half of the figure has a single set body 28, which is formed by an O-ring and a ring 3o, preferably made of metal is surrounded. The profile of the O-ring flattens out at the Contact with the surface 1o of the tube 6 and with the ring 3o off. There is therefore already a slight tension even without the forceps movement through the projections 2o and 22. As soon as this pincer action occurs when the bezel ring 16 is inserted, the deforms Circular profile in order to essentially assume the shape which is shown in the left half of FIG. The surface, which flattens out when it comes into contact with the pipe 6, even if there is a sprout on the inside diameter of the O-ring is present in its relaxed state, because the flattening leads back this sprout. These Area is also relatively wide compared to areas 24 and 26 of the projections. The embodiment according to FIG the left side of Figure 1 ensures good results. To the

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To enclose disc 16, a hand 32 is in the body 12 of the Crown provided, the precision of this band being one Best value for the trapping of the set body in the Assembly of the crown guaranteed.

On the right half of FIG. 1, the fitting body is shown in a rectangular shape (approximately square), the slight deformation of the profile being due to the radial bracing. The introduction of the pipe into the interior of the sealing fitting inevitably leads to this deformation according to FIG. 1; The ring 3o remains unchanged for the sealing set 8 ¹ according to the right half of FIG. 1 compared to the illustration for the sealing set. 8 on the left half of FIG. 1. The sealing set 8 ¹ -, consisting of the elastic body with a rectangular cross-section, is particularly suitable for compensating for irregularities. Since even in the case of an out-of-roundness, the height of the fitting body does not need to be modified in its shape changed by the force of the pliers, there is no fear of destruction, as is the case with the sealing fittings in the usual design at the point where they deform inward; this destruction is caused by the frequent changes in the radial dimensions, which the set has to overcome as soon as there is an out-of-roundness; these disadvantages do not adhere to the embodiment according to the invention; even if, as shown in the right half of Figure 1,

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the elastic gasket body slightly under the The cylindrical inner surface 25 of the crown extends into it, the absence of radial dimensional changes protects the body from destruction.

In the embodiment of Figure 2, the general shape of the crown and the tube is the same as in the embodiment of Figure 1. In contrast, here the seal is formed in different ways and comprises instead of the body 8 or 8 ¹ and the flat profile ring 3o two rectangular - or square sealing set body 36 and 38, which are surrounded by a ring in T-profile 4o. The two sealing bodies 36 and 38 are each arranged at the foot of the T-profile of the ring 4o under its flanges; the construction according to FIG plates of suitable elasticity can be punched out. In addition, the double friction around the surface 1o of the pipe ensures particularly good tightness and excellent adhesion to the surface 1o of the pipe 6. Here again, of course, the sealing fitting remains united with the pipe when it rotates and slides with respect to the rotation when it is rotated Crown. It is important that the web of the T-profile of the sealing set 34 according to FIG. 2 between the two bodies 36 and 38 extends at least into the area where the pincer pressure is applied

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COPY

- ί y -

between the projections 2o and 22 comes into effect. Despite the presence of two elastic bodies, the forceps action is therefore similar to that of the guide form according to Figure 1.

In the embodiment according to FIG. 3, the sealing fitting 42 combines various advantages of the embodiments described above. The basic construction approximates that according to the embodiment according to FIG. 2, however, instead of two similar fitting bodies, a fitting 44 with a round or oval profile and a fitting body 46 with preferably a slightly thick rectangular profile is used. The ring 4o 'of the sealing set 42 corresponds to the ring 4o of the sealing set 34, but is only in a slightly different position. The fitting body 44 with a round or oval cross-section is deformed in an approximately similar manner to the fitting body 28 according to the embodiment according to FIG be improved. A seal made of resilient and elastic material with the profile of the clothing body 44 can easily be obtained commercially and the punching out of a clothing body corresponding to the body 46 from a thin plate can be realized at low cost. The match

409883/0994 GOPY

All parts except for the sealing set in the four variants and in numerous other embodiments, which are similar and would still be possible, allow a good standardization of the manufacture, with the same pieces for putting together relatively simple arrangements as the one according to Figure 1 or in contrast for this purpose, further developed ones such as those according to FIGS. 2 and 3 can be used. Here, too, the correspondence of the ring 4o / 4ο ¹ between the two embodiments according to FIGS.

Figure 4 shows, on an enlarged scale, the part of the device which forms the winding crown, the sealing fitting being omitted. She already shows them on hand the elements described in Figure 1 can also be seen that the possibility is envisaged of adding an additional seal 48 for mounting the bezel washer use. It is advisable to ensure the tightness against the possible ingress of dust from the outside to be observed in the cable set. Looking at the passageway that is inside the bezel washer begins, it is found that there are two joints with elastic compression to from the outside

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the sealing set to penetrate to the inside of the crown (and from there to the inside of the watch case). These ensure both tight and consecutive connections certainly just as good a tightness as the pressure of the clothing body against the surface 1o of the pipe. One could fear, however, that dust or water penetrate directly to the outside of the sealing set, z. B. between the ring 3o and the Wall 19 through the edging connection of the washer 16 and in this way can get into the crown. This path of dust or water would only impinge a tight support zone, namely on that which is provided with the partial annular surface 24. To this danger too avoid, which may be meaningless in certain cases, the possibility is provided according to Figure 4, a thin Seal 48 between the bezel ring washer 16 and the bottom of the sand 32 'disposed in the body 12 of the crown to enclose the disc 16.

In the illustration according to Figure 4 is visible, which could not be clearly in the representations according to Figures 1 to 3 with respect to ¹ to a reduced scale, that the edges of the projections 2o and 22, which define the surfaces 24 and 26, slightly rounded or chamfered,

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so that they can penetrate the seal sgamiturkörpe r against which they are pressed. FIG. 4 also shows that the inner edge of the projection 22 on the mounts' ring disk 16 can coincide with the central bore of the disk (solid lines) or can be withdrawn from it (dashed lines ⁿ V ⁿ ).

In Figure 5 is a modification of part of the crown has been shown. According to this modification, the Crown 52, which consists of a crown body 54 and a hub 56, in place of the projections 2o and 22 with degrees Edges projections 58 and 6o, one of which is the Surface is conical. The clamping surfaces 62 and 64 of these projections are practically rounded and can show particularly good results depending on the material of the fitting body (s). The recess 66, in which the sealing set is arranged has a slightly modified form, but this is of no significance.

FIG. 6 shows in a diagrammatic partial view that the ring 33 primarily for the embodiment according to the left half of FIG. 1, but also under certain circumstances in the embodiment according to the right half of FIG Insertion of the sealing body 28 can take place particularly reliably. This set body 28 then runs when

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he is introduced into the groove 7o, there is no danger of being out to jump out of the ring 3o during the operation. That The presence of the groove 7o simultaneously prevents the ring 3o from sliding sideways, through which possibly an undesirable friction on the bottom of the recess 18 or on the ring washer 16 arise could.

FIG. 7 shows a particularly favorable embodiment for the ring 4o ^f for a sealing set 42 according to FIG for a ring 4o of the set 34 according to the embodiment of FIG rectangular cross-section, such as the body 46 or the bodies 36 and 38 to set them. In addition, an annular recess or groove 74 is provided on the part of the ring 4ο ¹ , which forms the web of the T-Pro files, on the side opposite the one on which the triangular tongues are arranged, which the setting of the round or oval fitting body 46 opposite the web of the T-profile and under the flange

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of this profile. The embodiment shown in Figure 7 for the ring 4o / 4ο ¹ with T-profile facilitates the previous assembly and assembly of the fitting body and the ring, which form the sealing fitting, in particular in a fitting 42 according to the embodiment of Figure 3, but in the same way in the case of a sealing set 34 according to the embodiment according to FIG. 2.

It should be noted that in the embodiment According to Figure 1, right half, or Figure 2 it could be advantageous in certain cases, especially with regard to on a shortening of the arrangement, which is usually then If the crown must be able to be pulled out in several stages, the set body 28 · or 36 is longer as far as possible to the rear (side of the edging washer). For this reason, the partial ring surface 26 of the projection 22 be inclined slightly obliquely so that a thinning of the side is achieved, which after the central Bore of the edging washer is located, and in this way the fitting body protrude almost into this opening let to shorten the tube 6, while at the same time the tightness is increased when the crown is pulled outwards into its end position. Such a one

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slight inclination or, more precisely, such a conicity

the partial cost would be 26, regardless of the fact that the partial surface 27 'which lies opposite it runs exactly perpendicular to the axial direction or is only slightly conical lies in order to lie parallel to the partial surface 26, the pincer pressure do not make it less axial as long as the zone of the body 28 'or 36 on which the pressure acts, continues to exist, namely in the non-deformed state of this body, namely perpendicular to the Axial direction and. parallel to the opposite zone, which receives the pressure of the partial surface 24. This case in fact would in no way be comparable to that of an inclined or conical surface which is based on a semicircular profile, because here one called Radial displacement in no way brings about a change in the clamp tension, as it is square or rectangular Profile as opposed to a semicircular profile is used. Such a radial displacement of the partial ring surface 26 could for example be traced back to an out-of-rounding will.

Expectations

A0 9883/0994

Claims (17)

Expectations; .1. / Sealing device between the housing and actuating shaft, in particular on watch cases, with one with the housing firmly united part, one connected to the operating shaft movable part and an annular sealing set made of elastically deformable material and cooperating with these parts Material arranged between a cylindrical surface of one of the two parts and in an annular recess of the other part is, in which it is clamped between the annular surfaces of this recess, characterized by an or several ring seals (28; 28; 36, 38; 44) with a profile, whose profile height in the radial direction is at least approximately equal to the width in the axial direction, furthermore by means of annular surface sections (24, 26; 62, 64) on one part (crown 2) of the sealing set, which are mutually axially aligned on both sides the sealing set are essentially opposite, which in turn are axially and without pliers-like pliers between these surfaces Radial component is clamped and by at least a part of the sealing fitting from the outside radially comprehensive retaining ring (30), which is freely arranged between the two parts, the two clamping surfaces (24, 26) on one part (crown 2) and the cylindrical contact surface for the set on the other part (extension 6) are dimensioned and arranged in such a way that at a relative rotation between the two parts, the sealing set remains united with the part whose cylindrical surface it encloses. 409883/0934 2. Sealing device according to claim 1, marked et by ring projections (20, 22) on one part (crown 2), which the facing ring surface parts (24, 26) have, 3. Sealing device according to claim 1 or 2, characterized g e k e η η ζ ei c h η et that the ring surface parts (24, 26) in Relative to the profile height of the sealing set are narrow. 4. Sealing device according to one of claims 1 to 3> characterized by a tubular, with the Housing connected and protruding from this part (tube 6), the cylindrical outer surface of which serves as a support surface for the sealing hardware serves, while the part connected to the actuating shaft (crown 2) has the annular recess (18), in which the sealing fitting is arranged and which is closed off by an edging disc (16) carrying the other partial surface (24) is. 5. Sealing device according to claim 4, characterized by an edge (32) on the body (12) of the crown 2, against the bottom annular surface of which the rim disc (16) abuts can be applied. 6. Sealing device according to claim 5, characterized by a seal (48) inserted between the rim (16) and the bottom surface (32) of the edge (32). 409883/0994 7. Sealing device according to one of claims 1 to 6, characterized in that the partial ring surfaces (24, 26) the sealing set braced approximately in the middle of its profile height. 8. Sealing device according to one of claims 1 to 7, characterized by the sealing set forming O-ring (Fig. 1, left half). 9. Sealing device according to one of claims 1 to 8, characterized by a retaining ring (30) made of a harder material than that of the sealing fitting, in particular made of metal. 10. Sealing device according to one of claims 1 to 9, characterized by a circular groove (70) on the inner holding surface of the holding ring (30) for receiving the O-ring (44) (Fig. 6). 11. Sealing device according to one of claims 1 to 7 and 9, characterized by a sealing body (28 ¹ ) with a substantially square profile, for. B. rectangular or square profile and by a retaining ring (30) with a flat profile extending in the axial direction, the dimension of which corresponds to the corresponding dimension of the sealing body (28 ¹ ). 12. Sealing device according to one of claims 1 to 7 and 9, characterized by two sealing bodies (36, 38, Fig. 2; 44, 46, Fig. 3) and by a retaining ring (40, Fig. 2; 40 '; Fig. 3) with T-profile, the web of which is directed inwards and preferably up to _{n iß o} the stress zone of the sealing Λ ■■ * ..- 2Λ29726 body is enough, which are each arranged between the web and flange of the retaining ring (30). 13. Covering device according to claim 12, marked e t by sealing bodies with a square cross-section, in particular a square or rectangular cross-section, the height at least corresponds to the strength of the profile. 14. Sealing device according to claim 12, marked η e t through a sealing body with a circular ring (O-ring 44) and a further sealing body (46) with a rectangular profile, the height of each profile being greater than its thickness. 15. sealing device according to claims 4 and 14, characterized by a sealing body (44) with Circular cross-section in the space between the web of the T-profile of the. Retaining ring (40 ·) and the bezel disc (16) (Fig. 3). 16. Sealing device according to one of claims 12 to 15, g e k e η η ζ e i c h η e t through in the web of the T-profile of the Retaining ring ί (40 ·) arranged and from the contact surface for the Sealing body protruding tongues, in particular triangular tongues (72, Fig. 7). 17. Sealing device according to one of claims 12 to 16, ge k e η η ζ e i c h η e t by a on the contact surface am Bar of the T-profile of the retaining ring (44 *) arranged groove (74) to accommodate a Q-ring. _ma ■. 409883/0994 ms-le ■ · ".--. ■ - - ■■■■■ Blank page