EP0647756B1 - Hinge for doors, windows or similar - Google Patents

Abstract

The hinge (100) for doors, windows and the like comprises two hinge parts (10, 20) which can be pivoted with respect to one another about a vertical hinge pin in the manner of an articulation. A fastening part (4) on at least one of the hinge parts (10, 20) can be fastened on the corresponding fastening surface (3) by means of fastening screws (15) which pass through from the front and are designed as cap screws which can be actuated from the front. A covering (12) for that region of the fastening part (4) which contains the fastening screws (15) can be introduced at the two mutually opposite ends, under undercut protrusions (17, 18) of the hinge part (10). The covering (12) can be fixed by a spring-loaded pin (30) which can be displaced in its axis direction and, after the introduction of the covering (12) under the protrusions (17, 18), snaps into a bore (24), in a locking position, under its spring action. <IMAGE>

Description

The invention relates to a volume of the type corresponding to the preamble of claim 1.

Such a tape is known from DE-PS 40 22 532. The attachment of the cover is not described in detail. It must be designed in such a way that it does not impair the external impression of the tape and is particularly theft-proof. A cover that can be removed from the outside without difficulty would in fact open access to the fastening screws and would allow the band to be unscrewed when the wing was closed and then opened.

From DE-GM 73 17 785 a band is known, in which the fastening parts of the band parts have a flat, rectangular cross-section over the height of the band part on the outside, into which suitable plate-shaped covers can be inserted. The setting is made by pins to be driven in from the outside across the groove and penetrating the plate-shaped covers.

If the pins are driven in, it is not possible to remove the cover without destroying the tape parts. However, the pin holes are open to the outside, which disturbs the appearance of the tape and also favors the accumulation of dirt.

The invention has for its object a generic Configure the tape so that the fixing means for the cover are not visible from the outside.

This object is achieved by the invention reproduced in claim 1. If the cover is to be installed after the tape has been fastened, the pin is pressed back by abutment on the surface of the fastening part of the corresponding tape part facing the cover. The cover is then moved horizontally until it engages under the undercut projections on the band with both horizontal ends. When this position is reached, the pin automatically snaps into the associated hole and fixes the masking tape in the position reached so that it can neither be pulled out from under the projections nor pulled forward.

In principle, the pin can also be attached in the fastening part. In the preferred embodiment according to claim 2, however, the pin is arranged in the cover.

An important embodiment of the invention is the subject of claim 3. In the known embodiment according to DE-GM 73 17 785, the cover cannot be removed at all without destruction, i.e. not even if, for whatever reason, the belt has to be dismantled again. In contrast, there is the further task of making the tape secure against theft, but still removable if necessary.

This further object is achieved by claim 3 by the fixation of the cover achieved by snapping the pin into the hole can be canceled.

Specifically, this can be achieved according to claim 4 by providing access to the free end of the pin, by means of which a pressure can be exerted against the pin in its axial direction against the spring action by means of a tool.

For example, the pressure can be wedged with a suitably bevelled tool, for which the pin can have a conical tip.

For economic reasons, certain manufacturing tolerances have to be accepted when manufacturing the parts of the belt. In order to prevent the cover and / or the pin from having too much play and rattling relative to the respectively adjacent parts, a damping and play-canceling guide part made of plastic can be provided.

• Fig. 1 zeigt einen Horizontalschnitt durch den Rahmenbereich einer Tür mit Aluminiumrahmen;
• Fig. 2 zeigt eine Ansicht des in Fig. 1 linken Rahmenbandteils von oben;
• Fig. 3 zeigt eine Vorderansicht des Rahmenbandteils;
• Fig. 4 zeigt einen Schnitt nach der Linie B - B in Fig. 2;
• Fig. 5 zeigt einen Schnitt nach der Linie C - C in Fig. 3;
• Fig. 6 zeigt einen Schnitt nach der Linie A - A in Fig. 3;
• Fig. 7 zeigt eine Ansicht des brillenartigen Führungsteils gemäß Fig. 8 von unten;
• Fig. 8 zeigt einen Schnitt nach der Linie D - D in Fig. 7;

In the drawing, an embodiment of the invention is shown.

• Fig. 1 shows a horizontal section through the frame area of a door with aluminum frame;
• FIG. 2 shows a view of the frame band part on the left in FIG. 1 from above;
• Fig. 3 shows a front view of the frame hinge part;
• Fig. 4 shows a section along the line BB in Fig. 2;
• Fig. 5 shows a section along the line C - C in Fig. 3;
• Fig. 6 shows a section along the line A - A in Fig. 3;
• FIG. 7 shows a view of the glasses-like guide part according to FIG. 8 from below;
• Fig. 8 shows a section along the line D - D in Fig. 7;

In Fig. 1, a fixed frame 1 and a sash 2 made of aluminum profiles can be seen, which are pivotally connected to each other by a band 100. The band 100 comprises a frame hinge part 10 and a wing hinge part 20, which are of identical design with regard to their basic structure and of which therefore only the frame hinge part 10 is described in detail.

The frame hinge part 10 comprises a fixed on the front vertical flat mounting surface 3 Frame 1 adjacent fastening part 4, which correspondingly has a rear flat contact surface 5. A hinge part 6 with a cylindrical recess 9, in which the hinge pin (not shown) is arranged in a hinge pin bushing, which forms the hinge axis 7, is connected in one piece to the fastening part 4. The rear side of the hinge part protrudes from the fastening surface by a distance 8.

The fastening part 4 is approximately plate-shaped and has a flat front 11 parallel to the contact surface 5, against which a cover designated as a whole with 12 rests with its flat rear 13.

The parts 4/6 on the one hand and 12 on the other hand are extruded from an aluminum material, the extrusion direction according to FIG. 1 being perpendicular to the plane of the drawing, so that the parts in the height direction (in the assembled state) have a constant cross section which is predetermined by the manufacture.

The band parts 10, 20 are fastened by means of fastening screws 15, which have a head and, in the exemplary embodiment, are designed as internal polygonal screws. They are screwed into threaded bushes 14 inside the profiles forming the fixed frame 1 or the sash frame 2, which sit from the inside against the back of the profile wall forming the fastening surface 3. With the underside of the heads 16, the fastening screws 15 rest on the front 11 of the fastening part 4. So-called centering bushes 36, which surround the fastening screws 15 and engage both in the frame 1 and in the fastening part 4, serve to fix the frame hinge part 10 to the fixed frame 1 parallel to the fastening surface 3.

As can be seen particularly from FIG. 2, projections 17 and 18 are formed on the fastening part 4 on its edge remote from the hinge part 6 and in the upper half of the hinge part 6, under which the cover 12 when inserted according to FIG. 2 of Left in the sense of arrow 19 with a cross-sectionally shaped extension 21 or the upper edge 22. When the cover 12 has reached the position shown in FIG. 2, it cannot be removed forwards, ie upwards according to FIG. 2. Removal is only possible when the cover 12 is shifted to the left against the arrow 19.

This relocation is prevented in the manner shown in FIGS. 1, 4 and 5 by a pin 30 which is guided in the cover 12 and protrudes perpendicularly to the rear 13 thereof under the force of a spring 23. In the front 11 of the fastening part 4, a hole 24 corresponding in diameter to the pin 30 is provided at a suitable point, into which the pin 30 can snap under the action of the spring 23 and shift in its axial direction.

When mounting the cover 12, it is placed with the tip of the pin on the part of the front surface 11 to the left of the bore 24 according to FIG. 5, and the pin 30 is pressed against the spring 23 into the outline of the cover 12. In this state, the cover according to FIG. 5 can be moved to the right in the direction of arrow 19 until it engages with the projection 21 under the projection 17 and the upper edge 22 under the projection 18. When the cover 12 is fully inserted and abuts against the hinge part 6, the pin 30 is located just above the bore 24 and snaps into it. Thus, the cover 12 is immovable and inaccessible from the front without the fixing being visible from the front.

The described attachment and fixation of the cover 12 takes place after the frame band part 10 is fastened on the frame 1 by means of the fastening screws 15.

In order to be able to replace the frame hinge part 10 if necessary, for example if it has been accidentally scratched, and to be able to remove it again without destroying it, In the area of the distance 8 left by the rear side of the hinge part 6 to the fastening surface 3, a transverse bore 26 is made in the fastening part 4, which extends from its inner, ie in FIGS. 1 and 5, right boundary to the bore 24 extends. The axis 27 of the bore 26 is at a slight angle, in the exemplary embodiment approximately 10 °, obliquely towards the fastening surface 3. The bore 26 is very difficult or impossible to reach when the wing is closed, as can be seen in FIG. 1, the inclined position of the bore 21 additionally preventing the introduction of a tool when the wing is closed.

But when the wing is open, i.e. 1 is pivoted counterclockwise by about 90 °, the mouth of the bore 26 can be reached from the frame opening, and a correspondingly designed tool 50, which is wedge-shaped or conical at the front, can be inserted into the bore 26, which then comes to rest on the conical tip 28 of the pin 30 and presses it upwards according to FIGS. 1 and 5 against the action of the spring 23, whereupon the cover 12 is no longer fixed and can be removed against the direction of the arrow 19 . The conical tip 28 additionally facilitates removal against the spring action by sliding over the left edge of the bore 24 in FIGS. 1 and 5.

The pin 30 is guided in the guide cylinder 31 of a spectacle-like guide part made of plastic, designated as a whole by 40. The guide cylinder 31 is formed in the middle part 39 of the guide part and has its axis perpendicular to the plane of the glasses. The pin 30 has on its rear edge a peripheral collar 29 which slides on the inner circumference of the guide cylinder 31 in the axial direction of the pin 30. In the guide cylinder 31, the coil spring 23 is accommodated, which is supported against the back of the guide pin 30 and the bottom of the guide cylinder 31. At the bottom opening edge in FIG. 8 the guide cylinder 31 has a radially inwardly projecting inner circumferential collar 32 which engages under the circumferential collar 29 of the pin 30 and thus holds it in the guide cylinder 31.

The guide cylinder 31 forms the central part 39 of the guide part 40, from which ring-shaped parts 33, the inner circumference 34 of which corresponds to the outer circumference of the screw heads 16 and which lie on one, i.e. 7 are open in the upper side in FIG. 7 and allow the screw heads 16 to pass through when the cover 12 is pushed in in the direction of the arrow 19 in the open area 35.

As can be seen from FIGS. 4 and 6, the guide part 40 is accommodated in a corresponding cutout 38 on the rear side 13 of the cover 12. The guide cylinder 31 is seated in a bore 37. The plastic of the guide part 40 has a certain stiffness, but is still elastically deformable, and all dimensions are chosen so that there is as little play as possible. When inserting the cover 12 in the direction of arrow 19, the guide part 40 should tightly enclose the screw heads 16 and in any case without play. The same applies to the guidance of the pin 30 in the guide cylinder 31. In this way it is achieved that the cover 12 is connected to the frame hinge part 10 without play or rattling despite certain unavoidable manufacturing tolerances.

Claims (6)

1. Hinge (100) for door, windows and the like,

   with a hinge member (10) for attachment to a front attachment face (3) of the fixed frame (1),

   with a hinge member (20) for attachment to a front attachment face of the door or window,

   with a vertical hinge pin passing through a hinge eye portion (6) of both hinge components (10, 20) in order to make the two hinge components (10, 20) pivot with respect to one another,

   with an attachment part (4) on at least one of the hinge components (10, 20), which is designed with a rear engaging surface (5) for engagement against the corresponding attachment surface (3) and is attachable thereupon by means of attachment screws (15) formed as headed screws passing through it from the front and actuated from the front,

   and with a covering (12) overlying the region of the attachment member (4) containing the attachment screws (15) and capable of insertion at opposite ends under under-cut projections (17, 18) of the stated one hinge component (10),

      characterised in that

   the covering can be secured in this position by locating means

   that the locating means comprise a spring-loaded pin (30) arranged in the attachment part (4) or the covering (12), covered over from the front and displaceable in the direction of its axis under spring-loading, the pin snapping into a locking position in a bore (24) of the other part, i.e. the covering (12) or the attachment member (4) under the spring-loading after the insertion of the covering (12) under the projections (17, 18).
2. Hinge according to claim 1, characterised in that the pin (30) is arranged in a blind bore (37) in the covering (12) open towards the attachment member (4).
3. Hinge according to claim 2, characterised in that the pin (30) is capable of being pushed back out of its locking position against the action of the spring from a position that cannot be reached when the door or window is closed, in order to release the covering (12).
4. Hinge according to claim 3, characterised in that the hinge part (6) leaves at its rear face a spacing (8) perpendicular to the attachment surface (3) and a bore (26) leading to a point beneath the tip (28) of the pin (30) opens into the space which is left, to allow the insertion of a tool (50) for pushing back the pin (30).
5. Hinge according to claim 3, or 4, characterised in that the pin (30) has a conical tip (28).
6. Hinge according to one of claims 1 to 5,
      characterised in that,

   the pin (30) is arranged between attachment screws (15) provided vertically one above the other

   and that a spectacle-like guide member (40) of plastics is arranged in a corresponding recess (36) in the covering (12) with its side portions (33, 33) embracing in a fork-like manner the mutually adjacent screw heads (16) and the pin (30) engaged in its middle portion (39).

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