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EP 0 815 363 B1 |
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EUROPEAN PATENT SPECIFICATION |
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Mention of the grant of the patent: |
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28.06.2000 Bulletin 2000/26 |
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Date of filing: 22.03.1996 |
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International Patent Classification (IPC)7: F16B 2/10 |
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International application number: |
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PCT/DK9600/114 |
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International publication number: |
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WO 9630/656 (03.10.1996 Gazette 1996/44) |
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A DEVICE FOR SECURING A RAIL ONTO A SUPPORTING STRUCTURE SUCH AS A WALL
Eine Vorrichtung für die Befestigung einer Stange auf eine Abstützung, wie zum Beispiel
eine Mauer
Dispositif pour fixer une barre à une structure de support, telle qu'une paroi
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Designated Contracting States: |
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DE DK FR GB |
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Priority: |
24.03.1995 DK 30495
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Date of publication of application: |
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07.01.1998 Bulletin 1998/02 |
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Proprietor: PRESSALIT A/S |
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8680 Ry (DK) |
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Inventors: |
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- OLLGARD, Nis
DK-8000 Arhus C (DK)
- RASMUSSEN, Hanne
DK-8230 Abyjoj (DK)
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Representative: Jensen, Peter Kim et al |
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c/o Chas. Hude
H.C. Andersens Boulevard 33 1553 Copenhagen V 1553 Copenhagen V (DK) |
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References cited: :
DE-A- 3 604 326 GB-A- 1 261 202
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DK-A- 94 704 US-A- 2 896 899
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Note: Within nine months from the publication of the mention of the grant of the European
patent, any person may give notice to the European Patent Office of opposition to
the European patent
granted. Notice of opposition shall be filed in a written reasoned statement. It shall
not be deemed to
have been filed until the opposition fee has been paid. (Art. 99(1) European Patent
Convention).
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Technical Field
[0001] The invention relates to a device for securing bars and rails such as hand rails
and the like onto a supporting structure such as a wall. A typical example of the
use of the present invention is securing of hand rail structures in housing for the
elderly and the like residential homes, for instance in corridors and bath rooms.
[0002] More specifically the invention relates to a device for securing a rail onto a supporting
structure such as a wall and comprising a slitted ring member adapted to circumscribe
the rail in a retaining manner and provided with a protruding leg on each side of
the slit, and a clamping means adapted to clamp the legs together and thus retaining
the ring member in engagement with the rail, the ring member being formed integrally
of plastic and of such a flexibility that it may be expanded to receive the rail through
the slit, the device further comprising a fastening member for securing the device
onto the supporting structure through a first leg.
Background Art
[0003] A device of the above type is known from GB-A-1 261 202 and DK-A-94704.
[0004] Further, DE 36 04 326 discloses a device of the above type which adjacent the outer
ends of the legs is provided with a recess adapted to be brought into retaining engagement
with the head of a screw screwed into a wall when the legs and thus the ring member
are clamped together by means of the transverse clamping means formed of a screw/nut
connection. The legs of the ring member are clamped to the fastening members at the
same as the ring member is clamped around the rail. This causes the device to be sensitive
to the tolerances of the rail. Moreover, the ring member is made of a comparatively
rigid material such as aluminium, for which reason it is necessary to insert the ring
member onto the rail from one of end thereof.
[0005] Furthermore, US-A-1,096,282, US-A-2,896,899, US-A-3,023,992 and FR-A 1.104. 928 all
disclose various types of devices for securing rails onto a wall. These devices are
however, all encumbered with various drawbacks, e.g. they comprise a comparatively
large number of parts, are difficult to mount or have very limited applications.
Brief Description of the Invention
[0006] The object of the invention is to provide a device of the above type of a simple
structure and which is easy to mount and has many applications.
[0007] The device according to the invention is characterised in that the first leg is provided
with a first recess in the side to receive the second leg. Thus, the second leg is
within the outer outline of the first leg. Preferably, this recess communicates with
the interior of the ring member. Moreover, it is preferable that the two legs have
co-acting guide means to guide said legs into the position in which the ring member
circumscribes the rail in a retaining manner. The device may be mass produced rationally
by injection moulding the ring member in its expanded position. In this connection
it should be noted that it might be advantageous immediately after the ring member
has been moulded in its open position to bring this into a position corresponding
essentially to the engagement position with the rail. Moreover, it is preferable that
the ring member is of such a flexibility that it may be expanded such that the legs
are essentially perpendicular to each other. As a result, the subsequent mounting
of an additional device between two devices supporting a secured rail is facilitated.
[0008] In a particularly simple embodiment of the invention, the first leg is provided with
an axial hole opening into an outer end face of the leg and adapted to receive a fastening
means comprising a screw, which is passed through the axial hole from its end situated
opposite the outer end of the leg. The device is thus mounted on the wall by screwing
the screw into the wall.
[0009] In a second embodiment of the invention, the fastening means comprises a thread situated
adjacent the axial hole. Thus in effect the device can be fastened to the wall by
screwing a screw having a protruding threaded portion into the wall and bringing the
thread situated adjacent the axial hole into engagement with the threaded portion.
The ring member of the device is secured to the wall by turning said member.
[0010] Further, according to the invention, a second recess may be provided in the side
of the first leg more closely to the outer end of said leg than the first recess and
adapted to receive a screw head or a nut and communicating with the axial hole and
that an abutment face for the screw head or the nut may be arranged around the opening
of the axial hole in the second recess.
[0011] Moreover, according to the invention, the two recesses may be provided on the same
side of the leg, one recess continuing axially into the other. This embodiment of
the invention is particularly advantageous when the fastening means is formed of a
hexagon socket head screw, as it thus is possible axially through the recesses to
bring an Allen key into engagement with the socket hexagon of the screw in the open
position of the ring member.
[0012] Furthermore, according to the invention, the second recess may be provided with inner
surfaces adapted to prevent a head of a hexagon head screw or a hex-nut from turning.
As the head of a hexagon socket screw may be inscribed into the head of a hexagon
head screw of the same size and thus also into the corresponding nut, this embodiment
of the invention renders many options in the choice of fastening means. Moreover,
according to the invention, the legs may jointly have an essentially circular, cylindrical
outer outline. Especially, one of the legs per se may have an essentially circular,
cylindrical outline. A covering sleeve may be pivotally arranged around the legs and
provided with an opening allowing one of the legs to pass herethrough. This embodiment
of the invention is particularly preferable when the second leg is received in a recess
in the first leg, the recess and the leg received therein being concealable by rotation
of the sleeve. The advantage of using a pivotal sleeve to conceal the recess instead
of a plug being inserted into the recess is that a pivotal sleeve in contrast to a
plug is not lost, if it becomes loose and is further secured against unwarranted removal.
[0013] Furthermore, according to the invention, the device may further comprise a flange
member secured to the outer end of the first leg and provided with screw holes for
screws to fasten the flange member and thereby the device to the supporting structure.
In this embodiment a particularly reliable fastening to the supporting structure is
obtained due to the flange member.
[0014] Finally, according to the invention the flange member may be of an essentially rotationally
symmetric shape and the screw holes may be arranged on a circle being concentric with
the flange member, and an annular cover may be pivotally arranged on the flange member,
said cover at least covering the screw holes and provided with an opening of such
a size that the heads of the screws may pass herethrough. At the mounting of the screws,
the opening of the cover is turned so as to be in alignment with the hole in which
the screw is to be mounted. When all of the screws have been mounted, the opening
is turned away from the holes, whereby these are covered. Compared to conventional
covering means, the annular cover has the above advantages of the sleeve for covering
a recess in the leg.
Brief Description of the Drawings.
[0015] The invention is explained in detail below with reference to the drawings, in which
Fig. 1 is an exploded view of a first embodiment of the device according to the invention,
seen isometrically.
Fig. 2 is a top view of the device shown in Fig. 1 utilised to secure a rail onto
a wall.
Fig. 3 is a sectional view taken along the line III-III of Fig. 2,
Fig. 4 is a sectional view corresponding to Fig. 3 of a ring member of the device
shown in Figs. 1 to 3 in the position in which it is moulded,
Fig. 5 is an isometric, exploded view of a second embodiment of the device according
to the invention, and
Fig. 6 is an isometric, exploded view of a third embodiment of the device according
to the invention.
Best Mode for Carrying Out the Invention
[0016] The embodiment of the device according to the invention shown in Figs. 1 to 4 comprises
a slitted ring member 1 and a cylindrical sleeve 2. The ring member 1 is injection
moulded in plastic into the form shown in Figs. 1 to 4, wherein it is provided with
a comparatively wide slit. The ring member is provided with a first outwardly projecting
leg 3 on one side of the slit and with a second outwardly projecting leg 4 on the
other side of the slit. The second outwardly projecting leg 4 is provided with a shank
5 continuing into a head 6, two guide faces 7,8 being formed between the shank and
the head. The head 6 is provided with a countersunk, through-hole 9.
[0017] The first projecting leg 3 has an essentially cylindrical outer outline. On the side
facing the second leg 4, the first leg 3 is provided with a first recess 10 being
open towards the slit and adapted to receive the second leg 4. The recess 10 is provided
with mutually opposing guide faces 11, 12 adapted to co-act with the guide faces 8,7
of the second leg, when the legs are pressed together to adopt the position shown
in Figs. 2 and 3 in which the ring member essentially circumscribes the rail or tube
13. The ring member 1 is retained in the shown retaining and circumscribing position
by means of a hexagon socket screw 14 extending through the hole 9 and engaging a
nut 15 accommodated in a countersunk hole 17 on the outer face of the first leg 3.
In the position in which the ring member retains the rail the slit is comparatively
narrow.
[0018] The first recess 10 continues into a second recess 18 which is also open in the side
of the first leg 3 facing the second leg 4. Via a ledge 19, the second recess 18 continues
into an axial hole 20 opening into the plane outer surface 21 of the first leg. The
second recess 18 is adapted to receive the head 22 of a screw 23 having an inner hexagon
head and a shank 24 extending through the axial hole 20 into engagement with an expansion
bushing 25 provided in a hole 27 in the wall 28. The ledge 19 between the second recess
18 and the axial hole 20 serves as an abutment face for the screw head 22. In a sectional
view, the axial hole is oblong, its largest dimension being in the direction of the
opening of the second recess 18 in the side of the first leg 3 and increasing towards
the end face 21. As a result, the insertion of the screw 23 into the axial hole 20
and the recess 18 is facilitated. The screw 23 is fastened by means of an Allen key.
[0019] The ring member 1 is made of plastic by injection moulding and comprises such a flexibility
that it can be expanded to receive the tube 13 through the slit, i.e. expanded in
relation to the moulding position shown in Figs. 1 and 4, as well as clamped together
in the retaining position shown in Figs. 2 and 3 in which it is in retaining engagement
with the tube 13. It is particularly preferable that the ring member 1 can be expanded
to the position indicated in Fig. 4 by a dotted line, whereby the ring member 1 may
be moved into engagement with the tube 13 with that the first leg 3 perpendicular
to the surface of a supporting structure. As a result, it is possible to subsequently
mount an additional device between two devices supporting a previously secured tube
13.
[0020] The cylindrical sleeve 2 is adapted to circumscribe the first leg 3 and at one end
provided with an opening 29 of such a size that the second leg 4 may pass herethrough,
when the legs 3,4 of the ring member 1 are pressed and clamped together. When the
two legs have been clamped together, the opening 29 of the sleeve 2 is turned away
from the recess 10 such the wall of the sleeve 2 covers said recess.
[0021] Finally, it should be noted that the second recess 18 is provided with two opposing
side faces 30,31 interspaced essentially corresponding to the width across flats of
a hexagon head screw or a nut of the same dimension as the screw 23. The hexagon head
screw or the nut may thus be retained and prevented from turning in the second recess
18. The sleeve 2 is made of injection moulded plastic.
[0022] The device shown in Figs. 1 to 4 is mounted by arranging the sleeve 2 on the first
leg 3 and subsequently mounting the ring member 1 onto the wall 28 by screwing the
screw 23 therein. The ring member may thus be expanded such that the tube can be received
herein through the slit as a result of the high flexibility of the ring member. The
ring member is pressed together and brought into retaining engagement with the tube
13 by screwing the screw 14 into the nut 15. As a last measure, the sleeve 2 is turned
to cover the recesses 10 and 18 in the first leg 3.
[0023] The embodiment of the device according to the invention shown in Fig. 5 comprises
a ring member 101, a sleeve 102, a flange member 40 and an annular cover 41 for the
flange member 40. The ring member 101 essentially corresponds to the ring member 1
described with reference to Figs. 1 to 4, apart from additionally comprising four
cylindrical projections (not shown) extending axially from the end face 21. Instead
of the screw 23, a nut 42 is accommodated in the recess 18 and prevented from turning
by the two opposing side faces 30 and 31 of the recess 18. In all other aspects the
ring member 101 is identical to the ring member 1, for which reason no further description
thereof is rendered. The same applies to the sleeve 102 which is completely identical
to the sleeve 2.
[0024] The flange member 140 is essentially shaped as a circular disk with a slightly conical
upper surface 43 in which four oval countersunk screw holes 44 are provided and equally
interspaced on a circle. A projecting oval knob 45 is provided between two of the
holes on the same circle. Eight circular holes 46 are provided equally interspaced
on a circle having a diameter smaller than the circle for the oval holes 44. Interior
of these holes, the flange member is provided with a circular recess 47 of a diameter
corresponding to the outer diameter of the sleeve 102. At the bottom of the recess
47 eight circular holes 48 are provided equally interspaced on a circle. The diameter
of the holes 48 corresponds to the diameter of the circular projections on the outer
end face 21 of the ring member 101 and the projections are arranged on a circle as
the circular holes 48 and spaced corresponding to every second hole. The projections
are adapted to engage the holes 48 to determine the angular position of the ring member
101 relative to the flange member 40. Finally, the flange member 40 is provided with
a central through-bore 49 countersunk on the rear face 50 of the flange member 40,
a screw 51 having a countersunk head extending through the bore 49 to engage the nut
42 in the ring member 3.
[0025] The annular cover 41 is formed so as to cover the outer face of the flange member
40 and provided with an oblong opening 52 of the same shape and arranged on the same
pitch circle as the knob 45 on the flange member 40. Moreover, the cover 41 has a
central hole 43 of a diameter corresponding to the outer diameter of the sleeve 102.
Finally, the cover 41 is provided with a backwards facing projection 53 dimensioned
and arranged to engage the holes 46 in the flange member 40. When the backward facing
projection 53 is accommodated in the hole 46a, the knob 45 on the flange member 40
is received in the opening 52 of the cover 41 and the cover is retained in a covering
position on the flange member 40, the holes 44,46 thus being covered.
[0026] The embodiment of the device according to the invention shown in Fig. 6 is adapted
to interconnect two tubes to form a so-called T-assembly. The device comprises a ring
member 201, a sleeve 202 and an expansion member 60. The ring member 201 corresponds
essentially to the ring member 1, and is thus provided with four circular projections
as the ring member 101, said projections extending from the end face 21 and arranged
in the same manner as the projections on the ring member 101 described with reference
to Fig. 5. In this connection it should be noted that the projections are arranged
such in relation to the inside diameter of the tube or tubes which the device is to
fasten that when inserted into the end of the tube, the projections essentially abut
the inner face of the tube and thus serve to align the ring member 201 in relation
to the rail. Moreover, the first leg 203 of the ring member 201 is slightly shorter
than the first leg 3 of the ring member 1, the distance between the end face 21 and
the abutment face 19 being shortened. In every other respect, the ring member 201
corresponds to the ring members 1 and 101. The ring member 201 is adapted to circumscribe
and retain a first tube.
[0027] The sleeve 202 is provided with cylindrical inner surface 61 adapted to circumscribe
the first leg 203 of the ring member 201 and continuing into a second short, cylindrical
inner surface 62 of a larger diameter than the first cylindrical inner surface 61.
said second surface 62 adapted to circumscribe the outer end of the second tube. The
outer surface 63 of the sleeve 202 tapers from the short second cylindrical inner
surface 62 towards the outer end of the first inner cylindrical surface 61.
[0028] The expansion member 60 comprises a slotted, expansible outer bushing 64 provided
with a longitudinal slit 65 and an inner bushing having a cylindrical outer surface
74 and a slightly conical inner surface 75 provided with annular grooves. The inner
bushing is adapted to be received in the outer bushing 64 and comprises two bushing
halves 66.67 which jointly comprise a slightly conical outer surface 68 of essentially
the same angle of taper as the inner surface 75 of the outer bushing 64. Moreover,
on the cylindrical surface the bushing half 67 is provided with a knob 69 adapted
to be received in the slit 65 of the outer bushing. A mutual turning of the two bushings
is thus prevented. A nut 70 is secured against turning and retained in a recess 71
in each of the bushing halves 66,67.
[0029] By inserting the expansion member 60 into the second tube and bringing the screw
22 into engagement with the nut 70 in the assembled state of device, the inner bushing
is drawn towards the ring member 201 and the outer bushing 64 is expanded to interlockingly
engaging the inner surface of the second tube.
1. A device for securing a rail (13) to a supporting structure such as a wall (28) and
comprising a slitted ring member (1, 101, 201) adapted to circumscribe the rail in
a retaining manner and provided with a projecting leg (3,4) on each side of the slit
and a clamping means (14,15) adapted to the clamp the legs together, thus retaining
the ring member in engagement with the rail, the ring member (1, 101, 201) being formed
integrally of plastic and of such a flexibility that it may be expanded to receive
the rail (13) through the slit and the device further comprising a fastening means
for securing said device to the supporting structure through a first leg (3), characterised in that the first leg (3) is provided with a first recess (10) to receive the second
leg (4).
2. A device as claimed in claim 1, characterised in that the first leg (3) is provided with an axial hole (20) opening into an outer
end face (21) of the leg and adapted to receive a fastening means comprising a screw
(23).
3. A device as claimed in claim 2, characterised in that the fastening means comprises a thread situated adjacent the axial hole (20).
4. A device as claimed in claim 1, characterised in that a second recess (18) is provided in the side the first leg (3) more closely
to the outer end (21) of the leg than the first recess (10) and adapted to receive
a screw head or a nut and communicating with the axial hole (20) and that an abutment
face (19) for the screw head or the nut is provided around the opening of the axial
hole in the second recess (18).
5. A device as claimed in claims 1 and 4, characterised in that the recesses (10,18) are provided on the same side of the first leg (3),
one recess continuing axially into the other.
6. A device as claimed in claims 4 or 5, characterised in that the second recess (18) is provided with inner surfaces (30,31) adapted to
prevent a head of a hexagon head screw or a hex-nut from turning.
7. A device as claimed in one or more of the preceding claims, characterised in that the legs (3,4) jointly have an essentially circular cylindrical outer outline
and that a sleeve (2,102,202) is pivotally arranged around said legs and provided
with an opening (29) in its wall, said opening allowing one of the legs (4) to pass
herethrough.
8. A device as claimed in one or more of the preceding claims, characterised in that it further comprises a flange member (40) secured to the outer end (21) of
the first leg (3) and provided with screw holes (44) for screws to fasten the flange
member and thus in effect the device to the supporting structure.
9. A device as claimed in claim 8, characterised in that the flange member is of an essentially rotationally symmetrical shape and
that the screw holes (44) arranged in a pitch circle being concentric with the flange
member and that an annular cover (41) is pivotally arranged on the flange member,
said cover at least covering the screw holes (44) and provided with an opening (52)
of such a size that the heads of the screws may pass herethrough.
1. Vorrichtung zum Befestigen einer Stange (13) an einer Stützstruktur, z. B. einer Wand
(28), mit einem geschlitzten Ringelement (1,101, 201) zum festhaltenden Umgreifen
der Stange und versehen mit einem vorstehenden Bein (3,4) auf jeder Seite des Schlitzes
und einer Klemmeinrichtung (14,15) zum Zusammenklemmen der Beine, wodurch das Ringelement
in Eingriff mit der Stange gehalten wird, wobei das Ringelement (1,101,201) einstückig
aus Kunststoff gefertigt ist und eine solche Flexibilität aufweist, daß es zur Aufnahme
der Stange (13) durch den Schlitz aufweitbar ist, und die Vorrichtung ferner eine
Anbringeinrichtung zum Befestigen der Vorrichtung über ein erstes Bein (3) an der
Stützstruktur aufweist,
dadurch gekennzeichnet, daß
das erste Bein (3) eine erste Ausnehmung (10) zur Aufnahme des zweiten Beins (4) aufweist.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das erste Bein (3) ein axiales
Loch (20) in einer äußeren Endfläche (21) des Beines zur Aufnahme einer Anbringeinrichtung
mit einer Schraube (23) aufweist.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Anbringeinrichtung ein
an das axiale Loch (20) angrenzendes Gewinde aufweist.
4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß eine zweite Ausnehmung (18)
in der Seite des ersten Beins (3) näher an dem äußeren Ende (21) des Beins als die
erste Ausnehmung (10) vorgesehen ist, die zur Aufnahme eines Schraubenkopfes oder
einer Mutter ausgeführt ist und mit dem axialen Loch (20) kommuniziert, und daß eine
Anlagefläche (19) für den Schraubenkopf oder die Mutter um die Öffnung in dem axialen
Loch in der zweiten Ausnehmung (18) vorgesehen ist.
5. Vorrichtung nach Anspruch 1 und 4, dadurch gekennzeichnet, daß die Ausnehmungen (10,18)
auf der gleichen Seite des ersten Beins (3) vorgesehen sind, wobei eine Ausnehmung
die andere in axialer Richtung fortsetzt.
6. Vorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die zweite Ausnehmung
(18) Innenflächen (30,31) aufweist, die ein Drehen eines Kopfes einer Sechskantschraube
oder einer Sechskantmutter verhindern.
7. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet,
daß die Beine (3,4) gemeinsam einen im wesentlichen kreisrunden zylindrischen Umriß
aufweisen, und daß eine Hülse (2,102,202) schwenkbar um die Beine angeordnet ist und
eine Öffnung (29) in ihrer Wand aufweist, durch die eines der Beine (4) hindurchpaßt.
8. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet,
daß sie ferner ein Flanschelement (40) aufweist, das am äußeren Ende (21) des ersten
Beins (3) befestigt ist und mit Schraubenlöchern (44) für Schrauben zum Anbringen
des Flanschelements und somit der Vorrichtung an der Stützstruktur versehen ist.
9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß das Flanschelement im wesentlichen
rotationssymmetrisch ausgeführt ist und daß die Schraubenlöcher (44) in einem mit
dem Flanschelement konzentrischen Teilkreis angeordnet sind und daß eine ringförmige
Abdeckung (41) schwenkbar auf dem Flanschelement angeordnet ist, wobei die Abdeckung
mindestens die Schraubenlöcher (44) abdeckt und eine Öffnung (52) aufweist, die so
groß ausgeführt ist, daß die Köpfe der Schraube durch sie hindurchpassen.
1. Dispositif pour fixer un rail (13) sur une structure de support telle qu'une paroi
(28) et comprenant un élément annulaire fendu (1, 101, 201) adapté à entourer le rail
de manière à le retenir, et pourvu d'une patte en projection (3, 4) de chaque côté
de la fente et d'un moyen de serrage (14, 15) adapté à serrer les pattes ensemble,
retenant ainsi l'élément annulaire en engagement avec le rail, ledit élément annulaire
(1, 101, 201) étant formé intégralement en matière plastique et présentant une telle
flexibilité qu'il peut être écarté afin de recevoir le rail (13) à travers la fente,
et le dispositif comprenant encore des moyens de fixation pour fixer ledit dispositif
sur la structure de support au moyen d'une première patte (3), caractérisé en ce que
la première patte (3) est pourvue d'un premier évidement (10) pour recevoir la deuxième
patte (4).
2. Dispositif selon la revendication 1, caractérisé en ce que la première patte (3) est
pourvue d'un trou axial (20) qui s'ouvre dans une face terminale extérieure (21) de
la patte et qui est adapté à recevoir un organe de fixation comprenant une vis (23).
3. Dispositif selon la revendication 2, caractérisé en ce que les moyens de fixation
comprennent un pas de vis situé en position adjacente au trou axial (20).
4. Dispositif selon la revendication 1, caractérisé en ce qu'il est prévu un deuxième
évidement (18) dans le côté de la première patte (3) plus proche de l'extrémité extérieure
(21) de la patte que le premier évidement (10), et adapté à recevoir une tête de vis,
ou un écrou, et communiquant avec le trou axial (20), et en ce qu'une face de butée
(19) pour la tête de vis ou pour l'écrou est prévue autour de l'ouverture du trou
axial dans le deuxième évidement (18).
5. Dispositif selon les revendications 1 et 4, caractérisé en ce que les évidements (10,
18) sont prévus du même côté de la première patte (3), un évidement se poursuivant
axialement pour former l'autre.
6. Dispositif selon l'une ou l'autre des revendications 4 et 5, caractérisé en ce que
le deuxième évidement (18) est pourvu de surfaces intérieures (30, 31) adaptées à
empêcher la rotation d'une tête de vis hexagonale, ou d'un écrou hexagonal.
7. Dispositif selon l'une ou plusieurs des revendications précédentes, caractérisé en
ce que les pattes (3, 4) présentent conjointement un tracé extérieur cylindrique essentiellement
circulaire, et en ce qu'un fourreau (2, 102, 202) est agencé en pivotement autour
desdites pattes, est pourvu d'une ouverture (29) dans sa paroi, ladite ouverture permettant
à l'une des pattes (4) de la traverser.
8. Dispositif selon l'une ou plusieurs des revendications précédentes, caractérisé en
ce qu'il comprend en outre un élément de bride (40) fixé sur l'extrémité extérieure
(21) de la première patte (3) et pourvu de trous de vissage (44) pour des vis afin
de fixer l'élément de bride, et ainsi effectivement le dispositif sur la structure
de support.
9. Dispositif selon la revendication 8, caractérisé en ce que l'élément de bride a une
forme présentant essentiellement une symétrie de révolution, en ce que les trous de
vissage (44) sont agencés suivant un cercle concentrique à l'élément de bride, et
en ce qu'un couvercle annulaire (41) est agencé en pivotement sur l'élément de bride,
ledit couvercle recouvrant au moins les trous de vissage (44) et étant pourvu d'une
ouverture (52) d'une taille telle que les têtes des vis sont capables de la traverser.