EP4079999A1

EP4079999A1 - Positioning device with arched junction for swiveling casements

Info

Publication number: EP4079999A1
Application number: EP22169185.0A
Authority: EP
Inventors: Rocco Palamara; Giovanni Palamara
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-22
Filing date: 2022-04-21
Publication date: 2022-10-26

Abstract

A movement and locking device for swiveling casements, i.e., hinged at a side thereof, for example and in particular window shutters, to facilitate the opening, closing and stopping in the open position without leaning from the window sill, an operating end of which in a foldable lever and with suitable adjustment means for making it applicable to the largest number of windows possible.

Description

The present invention relates to a movement and locking device for swiveling casements, i.e., hinged at a side thereof, for example and in particular window shutters, to facilitate the opening, closing and stopping in the open position.
An operating device for this purpose is known from Italian Patent Nos. 0001323787 and 0001428296 , with the advantage of allowing said operation without needing to lean out of the window.
Such a device essentially consists of a fixing plate, to be applied to the casement, and a lever rotatably pivoted on said plate and with an operating end projecting from the hinged side and having a descending extension which, with the casement in an open configuration, descends below the surface of the window sill, while a specific locking member between lever and plate keeps it secured on the face of the casement, thus preventing it from closing in the case of wind.
The fact that said descending extension designed as an abutting surface is very close to the outer edge of the window sill is fundamental for the operation of such a device, otherwise the slack of the casement moving in the case of wind remains. Moreover, if the window sill projects with respect to the alignment of the lever, the latter strikes on the surface of the window sill, rather than passing it, and the device is not applicable.
For this reason, in the previous patents some solutions have been provided, including a device comprising a lever with two separate conjugatable bodies conjugated at an end thereof in a tightening pin adapted to bend it by adjusting it and fix it so that the descending end of the lever frontally abuts with the edge of the window sill, whatever the projection thereof with respect to the surface of the casement to be treated.
However, in the most efficient embodiment, such a device comprises a bulky junction just at the corner of the casement where the lever is positioned, with application problems and making it structurally inhomogeneous and unsuitable for being made of the most robust molded metal or section bar without unsightly strengthening and with subsequent breaking points.
Moreover, in the previous devices, there are no solution means if the surface of the window sill is too low with respect to the base of the casement, or in the case of excessive distance between the surface of the casement and the edge of the window sill.
The technical problem underlying the present invention is to provide a movement device while overcoming the drawbacks mentioned with reference to the prior art. This problem is solved by a movement device for swiveling casements with a lever with two separate bodies joined to each other at a specifically arched end thereof, where said joined ends mutually cooperate to define a linear adjustment and tightening member with the whole body of the lever, which is thus more harmonious and structurally compact: it is understood that the connection does not involve a single point, as in the fulcrum of the previous patents, rather a wide surface between the cooperating elements.
In other words, according to the invention, there is provided a device where said lever has two separate bodies joined at a curved end portion thereof to form an adjustment member with an arched horizontal guide, with parts provided with mutually engaging mirroring faces and with respective arched sliding seats arranged about a distant virtual fulcrum.
A second embodiment of the invention provides a device where the descending part designed to act as a striker element of the lever is extendable downwards so as to abuttingly reach the edge of the window sill, even if it is too low with respect to the laying surface at the base of the casement of the device.
A third embodiment includes a spacer accessory, with a forward abutment surface, i.e., adapted to cover the excessive distance between the surface of the casement and the edge of the window sill if required, or when the space between the closed inner and outer casements is not enough to contain a bent lever sufficiently.
These and other advantages are still possible with the present invention, which will be described below according to some preferred embodiments thereof, all referring to the same inventive concept set-forth above and provided by way of nonlimiting examples with reference to the accompanying drawings, in which:

Figures 1 and 2 show a device according to a first embodiment of the invention, where the adjustment member consists of two superimposed front surfaces provided with, mirroring each other, arched sliding surfaces and threaded coupling means;
Fig. 3 is an exploded view of the device according to the example in Figs. 1 and 2;
Figs. 4 and 5 show a device according to a second embodiment of the invention;
Fig. 6 shows a device with additional or alternative elements for parts of the previous devices;
Fig. 7 is a section of an alternative adjustment member;
Fig. 8 shows a device with a section bar having a cylindrical section;
Fig. 9 is a section of an alternative section bar having a box-like impression;
Fig. 10 shows a device with the lever inclined;
Fig. 11 shows a support element for the devices in extraordinary applications;
Fig. 12 depicts a device with a double-row body lever;
Figs. 13 and 14 are sections of alternative profiles of the adjustment and tightening member.

With reference to Figure 1, a device 1 according to a first embodiment is fixed to a swiveling window casement hinged on a side. Said casement A generally comprises a movement side which, when the casement is in a closed configuration, forms the inner face A1 of the window. Casement A further comprises a hinged edge A2 fixed to the window frame by means of hinges C of conventional type, for example, and a lower edge A3, which is the base of casement A.
The device comprises a fixing member 200 with a fixed plate 2 which is fixable, e.g., by screws 3 in holes 3', on the lower surface A1 of casement on the hinged side A2, and having an upper extension 4 adapted to protect the casement from contact with lever 5, and with:

on the hinged side, a part of the locking member in the form of a catch 6, with a mouth 7 facing upwards and having a width proportional to the thickness of lever 5, for being accommodated therein, as will be described below; and on the other end, a fulcrum body 103 having a pair of perforated projections 8-8', the upper one (8) of which having a slot 9 parallel to the of surface of the casement and the lower one (8') having a hole 9';
a lever 5 comprising, in the device according to this first embodiment, two segments 100 and 101 consecutively connected to each other by means of orthogonal pivots, e.g., a bolt 11 and a corresponding nut 12, in the adjustment member 10, as will be seen below, and with:
the segment 100, having a guide end projecting from the hinged side over a gripping segment 13, and a descending leg, i.e., a stop member 14, which descends, at the lever coupled in said coupling member 6/7 and with the casement A in an open configuration (Fig. 1), below the level of the window sill D;
the segment 101 has, at the free end thereof, a T-shaped portion the "wings" 15 and 15' of which, being arranged according to an inclined axis, serve as pins of a fulcrum 103 connecting the fixing member 200 and the lever 5. The upper wing 15 of said T-shaped portion is inserted with a large slack into said slot 9 of the upper projection 8, while the lower wing 15' is inserted to be freely rotatable into the hole 9' of the lower projection 8'.

The limited upwards rotation (a-a) of lever 5 is thus allowed so as to disengage it from the locking element 6/7 of the fixing member 200, while lever 5 is allowed to rotate about an axis substantially perpendicular to the surface A1 (b-b) of the casement to allow raising and lowering the lever 5 and the respective locking member while, with said wings 9, 9' arranged according to an inclined axis, the lever in the resting position takes such an inclined position that the descending extension thereof, referred to as a leg 14, remains suspended from the surface P of the window sill D.
An adjustment member 10, preferably a front joint, is obtained with two arched portions 16, 16' of the barrel circle type, which form the continuation of said segments 100 and 101, where said arched portions are mutually superimposed and mutually slidable and are secured by tightening a threaded element. Said adjustment member 10 has:

at one end of said segment 100 of lever 5, an arched portion 16 provided with at least one arched slotting 17 arranged horizontally;
at one end of said segment 101, an arched portion 16' provided with at least one hole 18 which is complementary to said at least one slotting 17;
a fixable fixing bolt 11, introduced and held at the head by one of the arched portions 16 or 16' and fixed in a corresponding threaded element, e.g., a nut 12, on the opposite side according to the angle degree and the preferred direction of curvature of the body of lever 5.

As it can be understood, when adjusting the device, prior to tightening the tightening bolt, said curved parts 16, 16' mutually slide laterally and forwards-backwards over the arch-guided development thereof up to the desired curvature of lever 5 as a function of the abutting positioning of the stop member 14 on the edge of the window sill D or other abutment surface.
The slotting 17 serves as a guide for the correct positioning of the parts involved, sliding along an arch by means of bolt 11, and once screwed, the superposition between "flat arches" (i.e., with a flat section) prevents the lateral twisting.
Moreover, as shown in the extension in the drawing, it is expected and preferable for the outer arch, randomly 16, to be narrower than the inner one so as to obtain a central spacing 19 which is compressible by screwing, for a more integral and elastically locked tightening between the curved parts 16 and 16', while the entire body of the lever is structurally even more homogeneous, harmonious, and free from break points as a whole.
In this example, as well as in those described below, the gripping section serves as a guide at the end of the lever, so that in order to close, a user can grip it at the gripping section 13 and, prior to pulling it, he/she raises it (path a-a) thus releasing it from said locking member 6/7, and then pulls the lever towards him/herself to finally fold it closed (path b-b) on the surface of casement A. Inversely, in order to open, the user can grip the lever 5 at said gripping segment 13 resting on the closed casement and, after pushing the casement up to the wall, he/she lowers the lever, introducing it into the recess 7 of said catch 6. This action occurs simultaneously with the fact that said descending leg 14 specifically designed as an abutting surface is positioned resting on the lower edge of the opening, i.e., of the window sill D, thus neutralizing the hinge C of casement A.
Figs. 4 and 5 depict a device similar to the previous version, and with similar operation, from which it mainly differs in the differently oriented section of the profile and in a consequent variant of the adjustment member 20 which is flat on the horizontal plane, rather than vertical as the previous model. This device also comprises a fixing member 200 with a fixed plate 2 which is fixable, e.g., by screws 3 in holes 3', and with an upper extension 4 adapted to protect the casement from contact with lever 5, between the surface A1 of the casement and the hinged edge A2, on which said fixing member 200 abuttingly rests, and with:

on the hinged side, a part of the locking member in the form of a catch 6, with a mouth 7 facing upwards and having a width proportional to the thickness of a complementary segment of the lever, for being accommodated therein; while at the other end, it has a fulcrum 104 with a pair of perforated projections 21-21' and a fulcrum pin 22 crossing, from the top downwards, the holes 23-23' in said perforated projections, all arranged according to an inclined axis;
a lever 5 comprising, in the device according to this second embodiment, two lever segments, 100 and 101, consecutively connected to each other in the adjustment and fixing member 20, superimposed flat rather than in front of each other, as in the previous example, and with:
a hole 24 in said segment 101 where said catch 6 of the locking member is freely insertable and removable;
a guide end projecting from the hinged side over a gripping segment 13, and a descending leg 14 which, at the lever coupled in said coupling member 6/7 and with casement A in an open configuration, descends below the level of the window sill D; while at the other end, it has a flattened and inclined segment 25 inserted between said projections 21-21' and freely held by the fulcrum pin 22 by means of a wide hole 22' in said flattened segment 25.

Upper, lower and side parts are present between the flattened end 25 and said perforated projections 21-21', which parts are free so as to allow, as already mentioned for the previous example, the rotation of lever 5 about pin 22, as well as a limited rotation of lever 5 about an axis substantially perpendicular to the surface A1 of the casement in order to allow raising and lowering the lever 5 and the respective locking member while, with said parts 21-21', 22 and 25 arranged according to an inclined axis, the lever in the resting position takes such an inclined position that the descending extension thereof, referred to as a leg 14, remains suspended from the surface P of the window sill D.
The adjustment member 20 of this second embodiment preferably is a front joint as well, obtained with two conjugatable opposing sectors mutually conjugated by tightening two arched surfaces 26, 26' of the scythe type, mutually superimposed on the side and provided with at least one complementary slot 27-27 and one complementary hole 28-28, respectively, and crossed by orthogonal pivots such as fixing bolts 29-29, for example, held at the head by one of the fixable arched surfaces, 26 or 26', and fixed at a corresponding threaded element, e.g., by bolts 30, in the opposite surface. Or, inversely, with bolts held at the head in the slots and pivoted on complementary pivots in the perforated counterpart 26'. But still other ways of locking are possible: for example by gluing.
Also in this case, as in the previous example, by moving said arched surfaces 26, 26' mutually laterally and forwards and backwards, the curvature of lever 5 is determined as a function of the straight positioning on the edge of the window sill D or other abutment front.
The lever 5 in the example, as well as the others, could also be provided with a vertical adjustment member 120, e.g., a sleeve 31 which surrounds, in a suitable recess 31', the leg 14 to be fixed therein, e.g., by means of a transverse pin 32, in any one of the holes 33 provided arranged in sequence in said leg 14 of lever 5. This is for the purpose of making device 1 usable even when the surface of the window sill D is too low with respect to the base A3 of the casement: i.e., extending said descender 31 up to a sufficient abutting contact.
Fig. 6 shows a variant of the device in Figs. 4 and 5, i.e., where at least one of said arched elements 26 or 26' of the adjustment member is provided with at least one side edging 34 acting as an abutting guide and containment with the opposite element, with the advantage of using a single fixing bolt instead of two, for example.
Preferably, this variant has a reinforced version of the locking member, where in addition to said connection between hole 24 and catch 6, it also comprises a slotted protrusion 35, from said fixing plate 200, intended to accommodate a complementary downwards projection 36 (dashed line) of the operating lever 5 intended to be engaged with said slotted protrusion 35 with a large coupling of the fixing member 200.
By way of example, Figure 6 shows a variant of lever 5 where segment 100 has an inclined operating end 13a for an adjustment member 121 transversely inclined downwards, and a handled case 37, with a cavity 38 adapted to be accommodated in said operating end 13a and freely transversely slidable up and down therein so that the descending leg 14a can be raised or lowered to reach the abutment surface on the edge of the window sill D, within the limits set by a slot 39 and a containment or fixing pin 40.
There are no section limits in the profiles of the lever, variously provided according to a flat, prismatic or cylindrical profile, and whereby the profiles of the segment of the joining member between the parts 100 and 101 can also have male/female snap profiles or profiles surrounding one another.
Fig. 7 shows an exemplary sectional view of an alternative adjustment member obtained with a "C"-shaped pair of section bars, where one of the curved profiles 41 surrounds the other 42 with a double edging 32-32, thus securing it from both sides. The "C"-shaped profile of one or both the bodies 41, 42 is in fact preferable in the case of embodiments with drawn or cast metal elements.
Fig. 8 shows a device where a lever 5 has a cylindrical profile, conveniently a rod, which in the segment of the adjustment member 50 is operatively connected to a curved tubular part 51, coupled to a solid segment 52, having:

a fixing member 200, similar to those in Figs. 1 and 4, with a catch 6, with adequate inner spacing 7 adapted to accommodate the stem of lever 5, and at the other end, a fulcrum body having a pair of perforated projections 53-53', the upper projection 53 of which having a slot 54 parallel to the base of the casement and the lower projection having a hole 55;
a lever 5, the free part 100 and hinged part 101 of which substantially are rods or the like, centrally associated with each other in a tubular component portion of the adjustment member 50, having:
the hinged part 101 ending, at the other end, in a fulcrum 105 formed by an end portion 56 thereof folded downwards and introduced from the top into said slot 54 up to passing the lower perforated projection 53' where it is held at the head by a thickening 57 in said hole 55;
the free part 100, with the gripping segment 13, having a descending segment 14 randomly provided with a protective sheath 58 made of rubber or the like.

Said adjustment member 50 is based on an arched tubular element 51 integrally retained by a fixed portion 59 in the lever segment 101, with a free mouth 60 on the hinged side and a cavity 60' adapted to house the complementary opposite arched portion 52, preferably a solid rod, in continuation from segment 100 and freely slidable in and out therein, and with:

a slot 61 is provided in said tubular part, while a threaded hole 62 in which the body of a screw 63 is pivoted, the head of which is engaged in said slot 61, is provided in said solid rod segment 52.

Clearly, during the assembly operation and prior to fixing with the final screw tightening, a greater or lesser introduction of the parts prior to the locking adjusts the abutment of the descender 14 on the front of the window sill. But another way of locking is also possible: for example, by means of a glue introduced into the tube prior to introducing the rod, for tightening the parts even without slots or screws.
According to the invention (Fig. 9), there is also provided a device 1 where the profiles of lever 5 have an angled rather than round section and an alternative adjustment member where a box-shaped element 64 with a notch 64' is in place of the arched tubular element 51, while an angled block 65 is provided in place of rod 52.
Fig. 10 shows a device 1 with the same profile as that in Fig. 8, from which it differs in the inclined position of lever 5. It is a convenient composition if the surface of the window sill D is quite below the base A3 of the casement and said inclination allows a direct counter-thrust on the edge of the window sill, while the fixing plate 200 remains correctly straight on the laying surface of the casement A, and a vertical adjustment member 65 comprises:

in the segment 100 of said lever, an inclined operating end 13b where the leg 14 has (see the related projection cut-away view) a threaded end segment 66 operating in a complementary thread 66' of a threaded canister 67 adapted to extend or shorten, by screwing, said descending segment 14c up to the desired height. Conveniently, said canister 67 has, at the mouths, smooth inner segments 68 and 69 with different depths so that the long smooth part 68 is placed up high in the case of little elongation, and vice versa the short part 69 if greater extension is required: this for concealing the thread of the rod to the greatest extent possible. If said canister 67 is made of metal, preferably it is also provided with a rubbery sheath 58 for protecting the window sill D.

Due to how varied the types of windows are, there are cases in which the inward or outward bending of lever 5 is not decisive as it occurs, for example, when there is little space for containing a curved resting lever between the inner casement and the outer one. Therefore, the invention provides an additional element designed as a forward abutment surface 70 provided with, from the actual abutting surface 71 - intended to strike against the descending segment 14, 14a or 14b of lever 5 - an adjustable stem 72 with a specific thread 73 for moving said abutting surface 71 closer to or further away from wall M in a corresponding screwing element, such as the stop 74, for example, fixed on wall M in the example in Figure 11, or in the case of a balustrade, in a corresponding specific threaded element on the balustrade itself.
Fig. 12 shows a device with thin but dual profiles substantially arranged in parallel pairs albeit connected at the ends, preferably made of steel and in any case with a given elasticity, with two special qualities: the first is the slight visual impact and the second the fact of having an elastic texture (like a flat spring) adapted to retain the casement by also slightly pushing it towards the wall to prevent even the smallest slack.
In a fixing member 200, substantially the same as that in Fig. 1, the parts 100c and 101c of lever 5 are formed by two profiles places side by side with an empty middle space sp1 and sp2 in the center, and with an adjustment member 80 having curved projections 81, 81' of continuity with said parts 100c and 101c held together by a pair of mirroring opposite brackets 82, 82', each with specific coupling seats 83, 83' for sections bars to be coupled to the desired extent by means of a threaded element, e.g., a screw 84, which, crossing the hole of bracket 82 and the middle space sp1 and sp2, is engaged in the threaded hole 84' of the opposite bracket 82'.
At one end of the lever segment 101c, a fulcrum pin 85 operating in a fulcrum 103, like that shown in Fig. 1, the tips 86-86' of which are inclined one upwards and the other downwards, joins the lever 5 to the fixing member 200 in a freely rotatable manner in the same shapes and parts as the example in Fig. 1.
Moreover, a stop member 6/7 is provided in said fixing member 200, in which the double-row segment 101c of lever 5 is inserted and removed.
In the leg 14c, there is a vertical elongation device 87, with a case 88 with a recess 89 housing the profiles and held by a central pin 89' in the preferred position in said descending leg 14c of lever 5, and which can possibly be left floating so as to retract when resting on the window sill D.
With particular reference to the sectional Figs. 13 and 14, the invention provides a device with substantially flat profiles of lever 5, such as in Figs. 1 and 4, for example, an alternative adjustment member where the superimposed arched profiles - 90, 90' if with vertical section or 91, 91' if placed flat - are slightly rounded so that, when tightened to each other, they are also laterally secured without needing for edgings between the profiles.
As is also shown in the common projection, the rounding of the outer element 90 or 91 is also provided to be slightly narrower than the inner one 90' or 91' so as to form a compensatory space 92 which, under screwing, joins the parts even more firmly due to the elastic pressure, in addition to the mechanical one of bolt 11/29.
All the above examples can be subject to variations. In particular, the components of an embodiment are also applicable to other implemented models. Those skilled in the art can make several further changes and variations to the above-described devices in order to meet further and contingent needs, all falling within the scope of protection of the present invention, as defined by the accompanying claims.

Claims

- Device (1) for moving and locking for revolving doors, in particular shutters, adapted to be associated with a door (A) having an internal face (A1), an external face, a hinged edge (A2) and a lower edge (A3), comprising:
- a fastening member (200) to the leaf (A) equipped with a shaped plate (2, 4), on which is a fulcrum (103; 104,105) and a locking element (6/7; 35/36), and

- an operating lever (5) associated in the fulcrum (103; 104; 105) of the fastening member (200), and provided with a descending section (14; 14b) intended to come into frontal abutment contact with the window sill ( D) of the sash window (A), being the same
divided into two parts (100 and 101; 100b, 101b; 100c, 101c) according to its change of shape so as to keep the leaf (A) in the open position by means of the abutment contact of its descending section (14,14b ) in charge of the hinged surface, with the window sill (D) depending on the projection of the latter,
characterized by the fact in which an adjustment and fixing member (10; 20; 50; 80) adapted to adjust the curvature of the lever (5) comprises, conjugated to each other, at least one pair of arcuate extensions (16,16 '; 26 , 26 '; 51.52; 81.81') in continuation of said portions (100, 101; 100b, 101b; 100c, 101c) of the lever (5), presenting a development somewhat disposed in a common sliding track laterally arcually guided in suitable profiles and with suitable means for clamping the parts according to the suitable positioning of said descending extension, (14; 14b) of the lever (5) close to the edge of the window sill (D).
- Device (1) for handling and locking according to claim 1, characterized by an adjustment member (10) preferably a front joint obtained with two arcuate portions such as barrel circles (16,16 ') in continuations of said portions (100 and 101) of said lever (5) opposed as well as mutually superimposed arcually sliding together and conjugable conjugated by tightening a threaded coupling in at least one arcuate slot (17) by at least one horizontal pin (18);
- Device (1) for handling and locking according to claim 1, characterized by the fact that said adjustment member is preferably a joint (10) obtained with two arched portions of the sickle type (26,26 ') in continuation of said portions (100 and 101) of said lever (5) superimposed flat and opposed, mutually sliding between them and conjugated conjugated by tightening a threaded coupling in at least one arcuate slot (27) by at least one vertical pin 29 - 29;
- Device (1) for handling and locking according to claim 1 and 2 are characterized by the fact that in the superposition of the arched bodies (16,16 ') of said regulating member (10) they show that the external arch is narrower than the internal one so as to obtain a central spacing (19) which can screwing, for a more integral tightening with elastic contrast between the bodies (16 and 16 ') to be tightened;
- Device (1) for handling and locking according to claim 1 and any of the rev. 2 and 3, characterized by the fact in which the arched bodies (16.16 '; 26.26') of an adjustment and locking organ (10; 20) have at least one border (34) joining the opposite portion;
- Device (1) for handling and locking according to claim 1 characterized by the fact that an adjustment member (50; fig. 9) in which one of its components (51 or 65) has a recess (60 '; 65') suitable for housing, hosting the opposed complementary part, preferably full (52 64) therein freely sliding in and out during positioning and with suitable clamping means (61, 63) in the preferred angle;
- Device (1) for handling and locking according to claim 1, and 6 characterized by the fact that an adjustment member with a cylindrical profile (50) comprises a curved tubular part (51), formed by a complementary internal portion (52);
- Device (1) for handling and locking according to claim 1, characterized by the fact that the lever 5 is formed by two segments with split profiles (10c; 101c) and that the regulating member (80) that joins them comprises two opposing saddles (82, 82 ') with complementary coupling surfaces ( 83) to the profiles of the arched portions (81, 8 ') of said regulating member (80) in said eva (5);
- Device (1) for handling and locking according to claim 1, and any one of the precedents claims characterized by the fact of providing a vertical elongation member (120; 121; 58; 87) equipped with means (31, 32, 33; 67, 69; 88,89,89) in said descending extensions (14,14b) which function to lengthen or shorten them according to the meeting of the windowsill.
- Device (1) for handling and locking according to claim 1, 2 and 3, characterized by the fact that the profiles composing the lever (5), and in particular the adjustment member with substantially flat profiles (10; 20), have a camber and of which, preferably the superimposed profile a greater camber.
- Device (1) according to claim 1, characterized by the fact of providing an additional element in charge of an advanced abutment plane (70) equipped, starting from the striking surface (71) destined to collide with the descending section (14; 14 °; 14b) of the lever 5 - of a stem adjustable (72) with thread (73) working in a special threaded correspondence (74) fixed to be fixed on the wall or in other threaded correspondence, eg. on the balustrade.