EP1072745B1 - Lock fitting for windows or doors - Google Patents

Abstract

The fixture for locking a window or door has a slide bar (2) fitted in a back-cut groove (1) in the window or door frame (6). The projections forming the back-cut of the groove are engaged on both sides by holding components (4) on the slide bar. At least one of the holding components is engaged releasably on the slide bar. The slide bar in the area of the projections has a rabbet formation. The rabbet together with the holding component forms an accommodation groove for one of the projections. The depth of the rabbet is slightly greater than the width of the projections. The holding components are formed by two arms of a bolt part extending diametrically to a cylindrical positioning bolt (8).

Description

The invention relates to a fitting for the lock of windows or doors, with one in one undercut groove led to the window or door frame Slide rod, wherein the the undercut of the groove forming projections of both sides of the slide rod provided holding elements are engaged behind and at least one of Retaining elements is detachably arranged on the slide rod.

Such fittings are known from GB 2304793.

Such fittings are in various embodiments known from practice, however, have the disadvantage that they always in their longitudinal direction in the undercut Groove must be introduced to the frame, which is often not only cumbersome, but beyond the introduction the slide bar when building the frame in one exactly makes certain mounting condition required. Likewise is a subsequent removal of the slide rod - for example, for maintenance purposes - not possible.

The invention is based on the object, a fitting of the type mentioned above, which allows to mount the slide rod in a simplified way, it should be possible in particular, the Slide rod in largely arbitrary mounting state of To attach frame.

This object is achieved according to the invention in that at least one of the holding elements is detachably arranged on the slide rod.

The slide rod is formed like a fold in the region of the projections, wherein the fold together with the holding element in each case forms a receiving groove for one of the projections. Appropriately, in this case the folding depth is slightly larger than the width of the projections, so that the slide rod is freely movable in its longitudinal direction with little play.

The advantage achieved by the invention consists in essential in that by the solubility at least one of the retaining elements, the slide rod is not in her Longitudinal, but transverse to its longitudinal direction in the Groove can be introduced, which is not just a faster one Assembly allows, but gives the advantage that the Assembly and dismantling practically possible at any time is.

The holding elements are in a particularly simple and therefore in Frame of the invention preferred embodiment of two diametrically projecting on a cylindrical adjusting bolt Poor of a latch part formed. This is the Possibility, after inserting the slide bar against the undercut of the groove forming projections the then up to behind the projections extending arms of the Bolt part by means of the cylindrical locking bolt twisting, so that afterwards the arms of the Latch part engage behind the projections of the groove and thus the slide rod the required stop in the groove give.

In a first embodiment of the invention are on Setting bolt additionally two also radially projecting Locking pieces provided, which have the same width as the Have holding elements, but compared to this one Angle of 90 ° are arranged and rotated in the direction of Slider rod out to have a slightly greater height. These locking pieces are initially used to the adjusting bolt in to keep its locking position.

Further advantages of this embodiment arise in that in the slide rod a the latch part in Outline matched recess is present. Then that is can the latch part from the outside through this recess inserted into the slide rod in the preassembled state and by turning 90 ° in one of the projections intervening position. Here it is So not required, first all bolt parts in insert the slide rod and then into the groove contribute. This leads to a further simplification during installation.

In this case, the bolt part in contact with the slide rod to hold, the invention provides that the adjusting bolt on his the holding elements facing away from a radially having outwardly standing annular collar, the one Investment area for one with its other end to the Shifter rod supporting tension spring forms.

The slide rod is usually with locking bolts provided to lock the window or the door by means of the slide rod in corresponding recesses are adjustable on the fixed frame. As part of the Invention is now the possibility that the adjusting bolt even at its end facing away from the holding elements the Carry locking bolt, the contact surface for the Tension spring in this case from the one end face of the Lock bolt is formed.

Since the locking bolt not inconsiderable lateral forces it is advisable to use additional support, so that by the shear forces not the slide rod is unnecessarily burdened. For this purpose, within the scope of the invention be provided that the adjusting bolt on his the Locking bolt side facing away has a support member, which protrudes into a groove in the frame. Thus, the Support of the transverse forces directly against the groove wall in Frame.

To facilitate the assembly of the tension spring, the sees Invention before that the annular collar or the locking bolt carries a dowel pin, which is in a cylindrical bore of the Stellbolzens attacks. The dowel itself can do this advantageously at its free end with the Ratchet be riveted.

In a second advantageous embodiment of the Invention have the holding elements forming arms their the slide rod side facing each one Locking groove for the fold forming web of the slide rod on, whereby in a corresponding manner an automatic Loosening the latch part prevents the slide rod becomes. The latch member itself is in this embodiment in a cylindrical bore of the slide rod stored, which means that here all bolt parts before the insertion of the slide rod in the groove of the frame must be pre-assembled.

The latch member is here expedient manner by means of a Socket held on the slide rod, which has a intermediate O-ring on a cylindrical pin is attached.

In a further embodiment of the invention, the Latch part at its end facing away from the holding elements one as a latching element for the cylindrical bore trained annular projection, wherein the adjusting bolt of Latch part in his adjacent to the holding elements Area has edge surfaces, which at the the fold attack forming webs of the pusher rod and Form locking elements for locking the latch part. The axial attachment of the latch member is done here so about the annular projection, while the fixation of the latch part in its locking position over the edge surfaces he follows.

A final variant is finally by characterized in that the latch part at its the Holding elements facing away from a substantially oval Headpiece carries and the pusher bar in the outline of the Having head piece matched recess, wherein the cylindrical area of the latch part between the Headpiece and the holding elements also a Recess adapted in outline rotatably arranged Plastic bush carries. Here is the fixation of Bolt part in its locking position by the Friction of the plastic bush. To this plastic bush put on the cylindrical portion of the latch part to this is advantageously in the range of theirs slotted minimum wall thickness in the axial direction. to Further simplification of the assembly can be Plastic bushing on its opposite the slot Side a thinned wall area to form a Bending zone have. Finally, in particular to axial fixation of the latch part, the head piece with the Be holding elements pointing retaining knobs be provided.

Fig. 1

den Beschlag nach der Erfindung in einer ersten Ausführungsform, nämlich die an einem nur schematisch wiedergegebenen Rahmen montierte Schieberstange im Querschnitt,

Fig. 2

das Detail X nach Fig. 1,

Fig. 3

die Schieberstange in Draufsicht, verkürzt wiedergegeben,

Fig. 4

einen Querschnitt durch den Gegenstand nach Fig. 3,

Fig. 5

eine der Fig. 1 ähnliche Darstellung, jedoch ohne Riegelbolzen,

Fig. 6

eine der Fig. 1 ähnliche Darstellung,

Fig. 7

das Riegelteil in Seitenansichten und in Draufsicht,

Fig. 8

einen Riegelbolzen zur Montage am Riegelteil,

Fig. 9

einen Ringbund zur Montage am Riegelteil,

Fig. 10

den am Riegelteil montierten Riegelbolzen,

Fig. 11

eine weitere Ausführungsform der Erfindung in Montageposition,

Fig. 12

die Schieberstange mit dem Riegelteil nach Fig. 11 in Explosionsdarstellung,

Fig. 13

den Gegenstand nach Fig. 11 in Draufsicht,

Fig.

14 den Gegenstand nach Fig. 11, jedoch in Verriegelungsstellung,

Fig.

15 den Gegenstand nach Fig. 12, jedoch in Verriegelungsstellung,

Fig.

16 den Gegenstand nach Fig. 13, jedoch in Verriegelungsstellung,

Fig. 17

eine weitere Ausführungsform der Erfindung in Montageposition,

Fig. 18

den Gegenstand nach Fig. 17, jedoch beim Übergang in die Verriegelungsstellung,

Fig. 19

den Gegenstand nach Fig. 17, jedoch in Verriegelungsstellung,

Fig. 20

das Riegelteil nach Fig. 17 im Schnitt, in Seitenansicht sowie in Draufsicht,

Fig. 21

eine weitere Ausführungsform der Erfindung in Montageposition,

Fig. 22

den Gegenstand nach Fig. 21 in Verriegelungsstellung,

Fig. 23

die Schieberstange nach Fig. 22 in Draufsicht,

Fig. 24

die in die Schieberstange einzusetzende Kunststoffbuchse,

Fig. 25

das Riegelteil in Draufsicht sowie in zwei Seitenansichten,

Fig. 26

eine Detailansicht der einen Darstellung der Fig. 25.

In the following the invention is explained in more detail in exemplary embodiments illustrated in the drawing; show it:

Fig. 1

the fitting according to the invention in a first embodiment, namely the mounted on a schematically reproduced frame slide rod in cross-section,

Fig. 2

the detail X of Fig. 1,

Fig. 3

the slide rod in plan view, shortened reproduced,

Fig. 4

a cross section through the article of FIG. 3,

Fig. 5

1 similar representation, but without locking bolt,

Fig. 6

1 representation similar to FIG.

Fig. 7

the bolt part in side views and in plan view,

Fig. 8

a locking bolt for mounting on the bolt part,

Fig. 9

a collar for mounting on the bolt part,

Fig. 10

the locking bolt mounted on the bolt part,

Fig. 11

a further embodiment of the invention in assembly position,

Fig. 12

the slide rod with the latch part of FIG. 11 in an exploded view,

Fig. 13

the article of FIG. 11 in plan view,

FIG.

14 shows the object according to FIG. 11, but in the locking position, FIG.

FIG.

15 the object according to FIG. 12, but in the locking position, FIG.

FIG.

16 shows the object according to FIG. 13, but in the locked position, FIG.

Fig. 17

a further embodiment of the invention in assembly position,

Fig. 18

the object according to FIG. 17, but during the transition into the locking position,

Fig. 19

the article according to FIG. 17, but in the locked position,

Fig. 20

the locking member of FIG. 17 in section, in side view and in plan view,

Fig. 21

a further embodiment of the invention in assembly position,

Fig. 22

the object according to FIG. 21 in the locked position,

Fig. 23

the slide rod of Fig. 22 in plan view,

Fig. 24

the plastic bush to be inserted into the slide rod,

Fig. 25

the bolt part in plan view and in two side views,

Fig. 26

a detailed view of a representation of FIG. 25th

The in the drawing in different Embodiments illustrated fitting is used for Lock of not closer in the drawing windows or doors, in which in a undercut groove 1 on the window or door frame 6 a Slide rod 2 is guided. This slide rod 2 carries usually one or more locking bolts 3, which in corresponding recesses on the fixed frame means the slide rod 2 are inserted and so the window and keep the door closed.

On the slide rod 2 holding elements 4 are provided, the projections 5, which the undercut of the Form groove 1, reach behind. These projections 5 are For example, in Fig. 1, in particular in Fig. 2 well recognizable and protruding strips with rectangular Cross section formed.

To the slide rod 2 not from the end of the groove 1 ago in To insert the longitudinal direction are the Retaining elements 4 arranged detachably on the slide rod 2, so that the slide rod 2 transversely to its longitudinal direction in the groove 1 can be used and the attachment through subsequent locking of the retaining elements 4 takes place.

For this purpose, the slide rod 2 in detail in the field of Projections 5 formed like a fold, which in particular of Fig. 2 clearly shows. The fold 7 forms here together with the holding element in each case a receiving groove for one of the projections 5.

As is clear from Fig. 2, the Rebate depth slightly larger than the width of the Projections 5, so that the slide rod 2 almost friction-free in the longitudinal direction is adjustable.

In all of the illustrated in the drawing Embodiments are the holding elements 4 of two diametrically on a cylindrical adjusting bolt 8 protruding arms of a latch member 9 is formed, as this For example, in Fig. 7 it can be seen.

In the first embodiment of FIGS. 1 to 10 are on Setting bolt 8 additionally two also radially projecting Locking pieces 10 are provided, which have the same width as the Holding elements 4, but compared to 90 ° are arranged rotated. In addition, they own this Locking pieces 10 a slightly greater height than the Holding elements 4. This is also clear from Fig. 7 seen. The slide bar 2 has, as a comparison 3 and 7 results in an outline of the Latch part 9 adapted recess 11, whereby the Latch part 9 already pre-assembled, ie in the groove. 1 inserted slide rod 2 from the front into the Slide rod 2 can be used. Through a subsequent rotation of the latch member 9 by 90 ° the Halteelmente 4 in a the projections. 5 engaged position, as shown in FIGS. 1, 5 and 6 is shown. In this locking position grab the retaining elements 4 in the two slots 11.1 the recess 11 in the slide rod 2, the Passage of the Halteelmente 4 are provided. by virtue of the greater height of the locking pieces 10 thus takes a Locking the latch part 9.

To the bolt part 9 and its holding elements 4 in Appendix to keep the slide rod 2, the adjusting bolt 8 at its end facing away from the holding elements 4 a radially outwardly projecting annular collar 12. This Ring collar 12 forms a contact surface for a Tension spring 13, with its other end to the Slide rod 2 is supported. This is in detail in FIG. 5 shown.

Since the adjusting bolt 8 at the same time a locking bolt. 3 can wear, as is apparent from Fig. 6, there is also the possibility that the contact surface for the Tension spring 13 from the one end face of the Lock bolt 3 is formed.

To the on the locking bolt 3 at its closing function occurring lateral forces as little as possible on the To let push rod 2 act, the Setting bolt 8 in not closer in the drawing shown manner on his the locking bolt. 3 side facing away from a support member that in a Grooves in the frame 6. In this way, the Transverse forces preferably absorbed by the frame 6 itself.

As is apparent from Figs. 8 and 9, wear the Ring collar 12 and the locking bolt 3 each one Paßstift 14, in a cylindrical bore 8.1 of the Setting bolt 8 attacks. This dowel 14 is shown in FIG. 10 riveted at its free end with the adjusting bolt 8.

In the embodiment according to FIGS. 11 to 16, the the holding elements 4 forming arms on their the. Slide rod 2 facing side a locking groove 15. This locking groove 15 serves to, in the locking position the fold forming web 2.1 of the slide rod. 2 as is apparent from Figs. 14 to 16. Here is the rest of the bolt part 9 in one cylindrical bore 11 of the slide rod 2 is stored, in this embodiment, the assembly of the Latch part 9 respectively from the rear, ie before insertion the slide rod 2 must be made in the groove 1. The Latch part 9 is by means of a socket 16 on the Pusher rod 2 held over a intermediate O-ring 17 on a cylindrical pin 18 of the Latch part 9 is placed.

In the embodiment according to FIGS. 17 to 20, this has Latch part 9 facing away from the holding elements 4 at its End one as a latching element for the cylindrical Bore 11 of the slide rod 2 formed Ring projection 19 on. This annular projection 19 is used for axial securing of the latch part 9 in the Slide rod 2. The adjusting bolt 8 of the latch part 9 has at its adjacent to the holding elements 4 Area edge surfaces 20, which at the fold forming Bars 2.1 attack the slide rod 2. These Edge surfaces 20 form locking elements, which locks the Latch part 9 in its mounting position or in his Cause locking position. This is especially in Figs. 17 to 19 clearly visible.

The adjustment of the latch member 9 is carried out more advantageously About a hexagon socket or a slot for Pick up a screwdriver. Appropriately exists the latch part here made of plastic, which makes it without can also be integrally formed, so that this solution only a single part, ie without Additional elements required.

In the embodiment according to FIGS. 21 to 26, this carries Latch part 9 facing away from the holding elements 4 at its End a substantially oval head 21, wherein the Slider rod 2 in the outline of the head piece 21 adapted Has recess 11. The head piece 21 itself is in Top view in Fig. 25 recognizable, while Fig. 23 the Recess 11 in the slide rod 2 reproduces.

The cylindrical portion 22 of the latch member 9, so the Transition region between the oval head 21 and the Retaining elements 4, carries a plastic bushing 23, the also the recess 11 in the slide rod 2 in Outline is adapted and rotatable on the cylindrical Region 22 of the latch part 9 is arranged. Around Plastic socket 23 to mount, it has in Range of their smallest wall thickness one in axial Direction extending slot 24, as shown in Fig. 24 is recognizable. It can also be seen that the Plastic bushing 23 on the slot 24th opposite side a thinned wall portion 25th to form a bending zone, whereby the Expansion of the slot 24 for mounting the sleeve 23rd is simplified. For mounting the latch part 9 is the Plastic bushing 23 corresponding to the head 21st aligned so that the insertion into the slide rod. 2 is possible. After locking, the head 21 in contrast, aligned transversely to the recess 11, which does not only the slide rod 2 is locked in the groove 1, but also the latch part 9 in the slide rod 2. Das Headpiece 21 itself can, as is clear from Fig. 26 results, in addition to facing the holding elements 4 Hold nubs 26 be provided, which an additional Friction and axial fixing of the latch part 9 cause.

Claims (18)

1. A fitment for locking windows or doors comprising a slider bar (2) guided in a groove (1) of an undercut configuration on the window or door frame (6), wherein holding elements (4) provided on both sides on the slider bar (2) engage behind the projections (5) forming the undercut configuration of the groove (1) and at least one of the holding elements (4) is arranged releasably on the slider bar (2), characterised in that the slider bar (2) is of a rabbet configuration in the region of the projections (5), wherein the rabbet (7) together with the holding element (4) forms a respective receiving groove for one of the projections (5) and the rabbet depth is slightly greater than the width of the projections (5).
2. A fitment according to claim 1 characterised in that the holding elements (4) are formed by two arms of a bolt member (9), the arms projecting diametrally on a cylindrical adjusting pin (8).
3. A fitment according to claim 2 characterised in that provided on the adjusting pin (8) are two also radially projecting latching portions (10) which are of the same width as the holding elements (4) but are arranged turned through 90° relative thereto and are of a slightly greater height in a direction towards the slider bar (2).
4. A fitment according to claim 2 or claim 3 characterised in that the bolt member (9) is inserted into the slider bar (2) in a pre-assembled condition through an opening (11) adapted in respect of contour and is brought into a position of engaging behind the projections (5) by rotation through 90°.
5. A fitment according to claims 2 to 4 characterised in that at its end remote from the holding elements (4) the adjusting pin (8) has a radially outwardly projecting annular collar (12) forming a contact surface for a stressing spring (13) which bears with its other end against the slider bar (2).
6. A fitment according to claim 5 characterised in that at its end remote from the holding elements (4) the adjusting pin (8) carries a lock pin (3), wherein the contact surface for the stressing spring (13) is formed by the one end face of the lock pin (3).
7. A fitment according to claim 6 characterised in that on its side remote from the lock pin (3) the adjusting pin (8) has a support member projecting into a groove in the frame (6).
8. A fitment according to one of claims 5 to 7 characterised in that the annular collar (12) or the lock pin (13) carries a fitting pin member (14) which engages into a cylindrical bore (8.1) in the adjusting pin (8).
9. A fitment according to claim 8 characterised in that the fitting pin member (14) is riveted at its free end to the adjusting pin (8).
10. A fitment according to claim 2 characterised in that the arms forming the holding elements (4), on their side towards the slider bar (2), have a respective retaining groove (15) for the leg (2.1) forming the rabbet of the slider bar (2).
11. A fitment according to claim 2 or claim 10 characterised in that the bolt member (9) is mounted in a cylindrical bore (11) in the slider bar (2).
12. A fitment according to claim 2, claim 10 or claim 11 characterised in that the bolt member (9) is held by means of a sleeve (16) to the slider bar (2), which is fitted on to a cylindrical pin (18) by way of an interposed O-ring (17).
13. A fitment according to claim 2 characterised in that at its end remote from the holding elements (4) the bolt member (9) has an annular projection (19) in the form of a latching element for the cylindrical bore (11), wherein in its region adjoining the holding elements (4) the adjusting pin (8) of the bolt member (9) has edge faces (20) which engage the legs (2.1) of the slider bar (2) forming the rabbet (7) and form latching elements for locking the bolt member (9).
14. A fitment according to claim 13 characterised in that the bolt member (9) is made integrally from plastic material.
15. A fitment according to claim 2 characterised in that at its end remote from the holding elements (4) the bolt member (9) carries a substantially oval head portion (21) and the slider bar (2) has an opening (11) adapted in contour to the head portion (21), wherein the cylindrical region (22) of the bolt member (9) between the head portion (21) and the holding elements (4) carries a plastic bush (23) which is arranged rotatably and which is also adapted to the opening (11) in contour.
16. A fitment according to claim 15 characterised in that the plastic bush (23) is slotted in the axial direction in the region of its smallest wall thickness.
17. A fitment according to claim 16 characterised in that on its side in opposite relationship to the slot (24) the plastic bush has a reduced-thickness wall region (25) for forming a bending zone.
18. A fitment according to claims 15 to 17 characterised in that the head portion (21) is provided with holding knobs (26) facing towards the holding elements (4).

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