EP2386703B1 - Cremone bolt for opening and closing door or window frames - Google Patents
Cremone bolt for opening and closing door or window frames Download PDFInfo
- Publication number
- EP2386703B1 EP2386703B1 EP11165409.1A EP11165409A EP2386703B1 EP 2386703 B1 EP2386703 B1 EP 2386703B1 EP 11165409 A EP11165409 A EP 11165409A EP 2386703 B1 EP2386703 B1 EP 2386703B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rack
- cremone bolt
- actuating element
- adjusting
- manoeuvring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
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- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/0056—Locks with adjustable or exchangeable lock parts
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B7/00—Handles pivoted about an axis parallel to the wing
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/02—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
- E05C9/021—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening with rack and pinion mechanism
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/546—Tailboards, tailgates or sideboards opening upwards
Definitions
- the present invention refers to a cremone bolt for opening and closing door or window frames.
- closing and opening groups of the so called "cremone bolt” type are known, which, in their most basic version, comprise one or two rods that are associated to the mobile frame of a door or window frame in a slidable manner along the two opposite directions of a same straight line and the sliding motion of which is controlled by the rotation of a handle fixed to the same mobile frame of the door or window frame.
- the rod or the rods are inserted with their ends in suitable abutments or female seats obtained in the fixed frame of the door or window frame.
- the rod or the rods are connected to the handle through connection blocks and the ends of the rod/s intended to be inserted in the abutments or in the female seats of the fixed frame in turn consist of terminal elements or end locking bars connected to the rods themselves.
- the handle comprises a handgrip pivotally mounted on a support case around an axis which, in its assembled configuration, is orthogonal to the plane of the mobile frame of the door or window frame and the rotation of which, through a pinion and rack driving mechanism, controls the movement, along the two opposite directions of a same straight line, of the rod/s and of all the members engaged with it (connection block and end locking bars or end terminals) .
- the pinion and rack driving mechanism comprises a pinion that is integrally constrained to the handgrip of the handle and that meshes one or two racks, each of which is mounted in a slidable manner in the support case of the handle.
- Each rack has a respective actuating element integral with it, also known in the field as "fin", which is directly or indirectly connected to the connection block of the rod/s themselves.
- cremone bolts such as known from e.g. DE 20 2009 007 797 U1
- the actuation elements or "fins" are obtained in a single piece with the racks or are fixed to them in a rigid and complete manner without the possibility of any relative movement with respect to one another so as to form a single body.
- the closing and opening groups of the cremone bolt type can control the opening and the closure of the turning or of the tilting and turning type; in both cases, the transmission of the motion from the handle to the actuation elements or "fins" and from these to the kinematism connected to them does not vary.
- a cremone bolt in which a separate actuation element is positioned in a seat in the rack is furthermore known from EP 0 446 566 A1 .
- the kinematism of closing and opening groups consists of various elements - handle, pinion and rack motion transmission means, actuation elements or “fins”, connection blocks, rods and terminals or end locking bars - which are coupled and connected to one another, so that the tolerances and the manufacturing and/or assembly faults of each element add to one another giving way to clearances that are overall not negligible, negatively affecting the operation of the closing and opening group itself.
- the purpose of the present invention is that of avoiding the drawbacks of the cremone bolt closing and opening groups of the known type as highlighted above.
- the present invention proposes to provide a cremone bolt for opening and closing door or window frames that allows to recover coupling and connection clearances between the various elements that make up the corresponding kinematism and the operation of which is regular and precise during both opening and closure.
- a cremone bolt for opening and closing door or window frames of the type comprising a handle in turn comprising a case intended to be applied on a movable door or window frame and a manoeuvring shaft pivotally mounted on said case around a rotation axis, in which within said case a pinion is pivotally mounted around said rotation axis, said pinion being integrally constrained, at least in rotation, to said manoeuvring shaft and engaging with at least a rack associated to said case in a slidable manner in both directions of a straight line orthogonal to said rotation axis and parallel to at least one manoeuvring rod of the cremone bolt, furthermore comprising at least an actuating element which is connectable to said manoeuvring rod wherein said actuating element is associated to said rack in a slidable manner in both directions of a straight line parallel to said straight line and adjusting and fastening means of the position of said actuating element with respect to said rack.
- the adjusting and fastening means are supported by the rack so as to be integral with it in its sliding movement along said straight line (R) and are accessible from the outside of the handle, so as to be able to carry out the adjustment and the fastening of the position of the actuating element even when the cremone bolt has already been mounted in the configuration of use.
- the adjusting and fastening means are of the kind of a manoeuvring and adjusting screw and comprise a screw extending substantially parallel to the straight line (R), which has its opposite ends pivotally supported by the rack and engages with a corresponding nut screw defined in the actuating element.
- reference numeral 1 wholly indicates a cremone bolt for opening and closing door or window frames.
- the cremone bolt 1 comprises a handle that in turn comprises a case 2 intended to be applied onto a movable door or window frame, in particular on the upright of a wing of a door or window frame, and a manoeuvring handgrip 3 that is pivotally mounted on the case 2 around a rotation axis A.
- a pinion 4 is pivotally mounted around the same rotation axis A, integrally constrained, at least in rotation, to the handgrip 3.
- the pinion 4 engages with at least one rack 5, which is associated to the case 2 in a slidable manner in both directions of a straight line R orthogonal to the rotation axis A and parallel to the rod/s 6 for manoeuvring the cremone bolt, of which one is schematised in figure 1 .
- the rack 5 is associated to an actuating element 7, also known in the field as "fin”, intended to be directly or indirectly connected to the manoeuvring rod 6.
- the actuating element 7 is associated to the rack 5 in a slidable manner in both directions of a straight line parallel to the straight line R and there are adjusting and fastening means of the position of the actuating element 7 with respect to the rack 5.
- the adjusting and fastening means make it possible to manoeuvre the actuating element 7 to slide along the rack 5 so as to be able to modify the relative position of the former with respect to the latter and to fix the actuating element 7 with respect to the rack 5 in the desired position, so that the actuating element 7 integrally moves with the rack 5 when, by action of the pinion 4, it is made to slide in one or in the other of the two sliding directions respectively for the closure and the opening of the door or window frame.
- the adjusting and fastening means are supported by the rack 5 so as to be integral with it in its sliding movement along said straight line (R).
- such adjusting and fastening means are accessible from outside of the case 2, so as to be able to carry out adjustment operations even when the cremone bolt 1 is already mounted in its configuration of use.
- the possibility of relative sliding of the actuating element 7, or fin, with respect to the rack 5 and the possibility of adjusting the position of the actuating element 7 with respect to the rack 5 by acting upon the adjusting and fastening means make it possible to recover the clearances of coupling between the various elements that form the kinematism of the cremone bolt (connection block, rods and terminals or end locking bars), said kinematism depending upon the actuating element 7 itself.
- each actuating element 7 is intended to be directly or indirectly connected to a connection block 8 which slides in a channel of a suitable guide 9 intended to be fixed on the side of an upright of a wing.
- the connection block 8 in turn couples with the end of a manoeuvring rod 6, the opposite end of which is connected to a closure terminal or end locking bar 10.
- the free end of the end locking bar 10 is intended to be engaged in a corresponding abutment or female seat 11 that is fixed to the fixed frame of the door or window frame.
- cremone bolt object of the present invention is represented, purely as an example and not for limiting purposes, without excluding different embodiments, referring for example: to the number, to the form and to the connection of the various elements that make up the manoeuvring kinematism (connection block, manoeuvring rods and terminal or end locking bar), to the number of actuation elements or fins, of which there can also be two, each associated with a respective rack and to respective adjusting and fastening means, or to the type of closure and opening of the door or window frame, which can simply turn or turn and tilt.
- FIGs 3-8 show in greater detail the cremone bolt 1 object of the present invention.
- the case 2 has a circular seat 12 within which the cylindrical portion of the stem 13 which projects behind the pinion 4 is supported in rotation.
- the end of the stem 13 opposite to the pinion 4 has a prismatic configuration intended to be coupled with a corresponding seat formed in the handgrip 3 and that is not visible in the attached figures. Between the stem 13 and the handgrip 3 there is thus a prismatic coupling that constrains the stem 13 at least against rotation with respect to the handgrip 3.
- the rack 5 has a toothing 17 that engages with the toothing 18 of the pinion 4.
- the actuating element 7 is associated to the rack 5 with a coupling of a male and female kind suitable for allowing the relative sliding of the former with respect to the latter and vice versa.
- the rack 5 has, on the side facing the actuating element 7, a male element consisting of a projecting ribbing 19 which is inserted in a corresponding female seat consisting of a groove 20 formed on the corresponding side of the base 70 of the actuating element 7, with, of course, the reverse coupling also being possible.
- the adjusting and fastening means are of the kind of a manoeuvring and adjusting screw and comprise a screw 21 arranged substantially parallel to the straight line R and the opposite ends of which are pivotally supported by two ears 50 that project from the opposing ends of the rack 5.
- the screw 21 engages with a corresponding nut screw 22 provided in the base 70 of the actuating element 7.
- the actuating element 7 is in any case integral with the rack 5 when it slides by effect of the pinion 4 manoeuvred by the handgrip 3 to open or close the door or window frame.
- At least one of the two opposed ends of the screw 21, in particular its outermost end 21a facing towards the end of the case 2, has a coupling seat 23 for a manoeuvring tool, with it being possible for both the opposing ends of the screw 21 to be equipped with a corresponding coupling seat 23.
- a small plate 71 projects to directly or indirectly coupling with the manoeuvring rod 6 of the kinematism of the cremone bolt 1 itself.
- the handgrip 3 controls the rotation around the rotation axis A of the pinion 4 which actuates the rack 5 when sliding, in one or the other of the two directions of the straight line R.
- the actuating element 7 or the actuation elements 7 and 7' are intended to be directly or indirectly connected to the manoeuvring rods 6, which, in turn, are connected to terminals or end locking bars 10 which engage with the abutments or with the female seats 11 constrained to the fixed frame of the door or window frame.
- the coupling clearances which are inevitably generated in the connection between the various components of the kinematism controlled by the actuating element 7 due to the tolerances and to the manufacturing and coupling faults of such same components, can be recovered and eliminated by adjusting the position of the actuating element 7 with respect to the rack 5.
- cremone bolt thus conceived can undergo numerous modifications and variants, all covered by the invention; moreover, all the details can be replaced by technically equivalent elements. In practice the sizes and the materials used can be any according to the technical requirements.
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- Engineering & Computer Science (AREA)
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Description
- The present invention refers to a cremone bolt for opening and closing door or window frames.
- In the field of window and door frames, closing and opening groups of the so called "cremone bolt" type are known, which, in their most basic version, comprise one or two rods that are associated to the mobile frame of a door or window frame in a slidable manner along the two opposite directions of a same straight line and the sliding motion of which is controlled by the rotation of a handle fixed to the same mobile frame of the door or window frame. In the closed configuration, the rod or the rods are inserted with their ends in suitable abutments or female seats obtained in the fixed frame of the door or window frame.
- Typically, the rod or the rods are connected to the handle through connection blocks and the ends of the rod/s intended to be inserted in the abutments or in the female seats of the fixed frame in turn consist of terminal elements or end locking bars connected to the rods themselves.
- The handle comprises a handgrip pivotally mounted on a support case around an axis which, in its assembled configuration, is orthogonal to the plane of the mobile frame of the door or window frame and the rotation of which, through a pinion and rack driving mechanism, controls the movement, along the two opposite directions of a same straight line, of the rod/s and of all the members engaged with it (connection block and end locking bars or end terminals) .
- In greater detail, the pinion and rack driving mechanism comprises a pinion that is integrally constrained to the handgrip of the handle and that meshes one or two racks, each of which is mounted in a slidable manner in the support case of the handle. Each rack has a respective actuating element integral with it, also known in the field as "fin", which is directly or indirectly connected to the connection block of the rod/s themselves.
- In known cremone bolts, such as known from e.g.
DE 20 2009 007 797 U1 , the actuation elements or "fins" are obtained in a single piece with the racks or are fixed to them in a rigid and complete manner without the possibility of any relative movement with respect to one another so as to form a single body. - It should be made clear that the closing and opening groups of the cremone bolt type can control the opening and the closure of the turning or of the tilting and turning type; in both cases, the transmission of the motion from the handle to the actuation elements or "fins" and from these to the kinematism connected to them does not vary.
- A cremone bolt in which a separate actuation element is positioned in a seat in the rack is furthermore known from
EP 0 446 566 A1 . - These cremone bolt closing and opening groups of the known type have some drawbacks, amongst which, in particular, it should be remembered that the coupling and connection clearances between the various elements that form them add to one another giving way to operation faults in the opening and closing steps of the door or window frames.
- Indeed, as indicated above, the kinematism of closing and opening groups consists of various elements - handle, pinion and rack motion transmission means, actuation elements or "fins", connection blocks, rods and terminals or end locking bars - which are coupled and connected to one another, so that the tolerances and the manufacturing and/or assembly faults of each element add to one another giving way to clearances that are overall not negligible, negatively affecting the operation of the closing and opening group itself.
- The purpose of the present invention is that of avoiding the drawbacks of the cremone bolt closing and opening groups of the known type as highlighted above.
- In the field of such a general purpose, the present invention proposes to provide a cremone bolt for opening and closing door or window frames that allows to recover coupling and connection clearances between the various elements that make up the corresponding kinematism and the operation of which is regular and precise during both opening and closure.
- These and other purposes are achieved with a cremone bolt for opening and closing door or window frames, of the type comprising a handle in turn comprising a case intended to be applied on a movable door or window frame and a manoeuvring shaft pivotally mounted on said case around a rotation axis, in which within said case a pinion is pivotally mounted around said rotation axis, said pinion being integrally constrained, at least in rotation, to said manoeuvring shaft and engaging with at least a rack associated to said case in a slidable manner in both directions of a straight line orthogonal to said rotation axis and parallel to at least one manoeuvring rod of the cremone bolt, furthermore comprising at least an actuating element which is connectable to said manoeuvring rod wherein said actuating element is associated to said rack in a slidable manner in both directions of a straight line parallel to said straight line and adjusting and fastening means of the position of said actuating element with respect to said rack.
- In one embodiment, the adjusting and fastening means are supported by the rack so as to be integral with it in its sliding movement along said straight line (R) and are accessible from the outside of the handle, so as to be able to carry out the adjustment and the fastening of the position of the actuating element even when the cremone bolt has already been mounted in the configuration of use.
- In a preferred embodiment, the adjusting and fastening means are of the kind of a manoeuvring and adjusting screw and comprise a screw extending substantially parallel to the straight line (R), which has its opposite ends pivotally supported by the rack and engages with a corresponding nut screw defined in the actuating element.
- The characteristics and the advantages of a cremone bolt for opening and closing door or window frames, according to the present invention shall become clearer from the following description, given as an example and not for limiting purposes, with reference to the attached schematic drawings, in which:
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figure 1 is an exploded schematic view of a detail of a possible application of a cremone bolt according to the present invention; -
figure 2 is an axonometric view of the handle of a cremone bolt according to the present invention; -
figure 3 is a schematic exploded view of the handle offigure 2 ; -
figure 4 is a schematic view of the back of the handle offigure 3 without the closure counter-plate; -
figures 5, 6 and 7 schematically show an axonometric view of the detail of the cremone bolt according to the present invention consisting of the pinion, of the rack, of the actuating element and of the means for adjusting and fastening the position of the actuating element with respect to the rack, seen from the frame side, from the side of the handle and in an exploded view, respectively; -
figure 8 is a schematic section view according to the plane VIII-VIII offigure 5 . - With particular reference to the attached
figures reference numeral 1 wholly indicates a cremone bolt for opening and closing door or window frames. - The
cremone bolt 1 comprises a handle that in turn comprises acase 2 intended to be applied onto a movable door or window frame, in particular on the upright of a wing of a door or window frame, and amanoeuvring handgrip 3 that is pivotally mounted on thecase 2 around a rotation axis A. - Inside the case 2 a
pinion 4 is pivotally mounted around the same rotation axis A, integrally constrained, at least in rotation, to thehandgrip 3. - The
pinion 4 engages with at least onerack 5, which is associated to thecase 2 in a slidable manner in both directions of a straight line R orthogonal to the rotation axis A and parallel to the rod/s 6 for manoeuvring the cremone bolt, of which one is schematised infigure 1 . - The
rack 5 is associated to an actuatingelement 7, also known in the field as "fin", intended to be directly or indirectly connected to themanoeuvring rod 6. - According to the special characteristic of the present invention, the actuating
element 7 is associated to therack 5 in a slidable manner in both directions of a straight line parallel to the straight line R and there are adjusting and fastening means of the position of the actuatingelement 7 with respect to therack 5. - The adjusting and fastening means make it possible to manoeuvre the actuating
element 7 to slide along therack 5 so as to be able to modify the relative position of the former with respect to the latter and to fix the actuatingelement 7 with respect to therack 5 in the desired position, so that the actuatingelement 7 integrally moves with therack 5 when, by action of thepinion 4, it is made to slide in one or in the other of the two sliding directions respectively for the closure and the opening of the door or window frame. - The adjusting and fastening means are supported by the
rack 5 so as to be integral with it in its sliding movement along said straight line (R). - Advantageously, moreover, such adjusting and fastening means are accessible from outside of the
case 2, so as to be able to carry out adjustment operations even when thecremone bolt 1 is already mounted in its configuration of use. - As shall become clearer from the following description, the possibility of relative sliding of the actuating
element 7, or fin, with respect to therack 5 and the possibility of adjusting the position of the actuatingelement 7 with respect to therack 5 by acting upon the adjusting and fastening means, make it possible to recover the clearances of coupling between the various elements that form the kinematism of the cremone bolt (connection block, rods and terminals or end locking bars), said kinematism depending upon the actuatingelement 7 itself. - As schematically represented in
figure 1 , indeed, eachactuating element 7 is intended to be directly or indirectly connected to aconnection block 8 which slides in a channel of asuitable guide 9 intended to be fixed on the side of an upright of a wing. Theconnection block 8 in turn couples with the end of amanoeuvring rod 6, the opposite end of which is connected to a closure terminal orend locking bar 10. The free end of theend locking bar 10 is intended to be engaged in a corresponding abutment orfemale seat 11 that is fixed to the fixed frame of the door or window frame. - It should be made clear that in
figure 1 a possible embodiment of the cremone bolt object of the present invention is represented, purely as an example and not for limiting purposes, without excluding different embodiments, referring for example: to the number, to the form and to the connection of the various elements that make up the manoeuvring kinematism (connection block, manoeuvring rods and terminal or end locking bar), to the number of actuation elements or fins, of which there can also be two, each associated with a respective rack and to respective adjusting and fastening means, or to the type of closure and opening of the door or window frame, which can simply turn or turn and tilt. -
Figures 3-8 show in greater detail thecremone bolt 1 object of the present invention. - The
case 2 has a circular seat 12 within which the cylindrical portion of thestem 13 which projects behind thepinion 4 is supported in rotation. The end of thestem 13 opposite to thepinion 4 has a prismatic configuration intended to be coupled with a corresponding seat formed in thehandgrip 3 and that is not visible in the attached figures. Between thestem 13 and thehandgrip 3 there is thus a prismatic coupling that constrains thestem 13 at least against rotation with respect to thehandgrip 3. - Between the
case 2, thehandgrip 3 and thestem 13 there aresprings - Inside the
case 2 there is aplate 16 for guiding therack 5. - The
rack 5 has a toothing 17 that engages with the toothing 18 of thepinion 4. - The actuating
element 7 is associated to therack 5 with a coupling of a male and female kind suitable for allowing the relative sliding of the former with respect to the latter and vice versa. - In the embodiment represented in the attached figures, the
rack 5 has, on the side facing theactuating element 7, a male element consisting of a projectingribbing 19 which is inserted in a corresponding female seat consisting of agroove 20 formed on the corresponding side of thebase 70 of theactuating element 7, with, of course, the reverse coupling also being possible. - Alternative embodiments of the male-female coupling between the actuating
element 7 and therack 5 are not excluded, said coupling, purely as an example, could be of the prismatic type, of the dove tail type or of any other type as long as it is such as to allow the relative sliding of the actuatingelement 7 with respect to therack 5. - The adjusting and fastening means are of the kind of a manoeuvring and adjusting screw and comprise a
screw 21 arranged substantially parallel to the straight line R and the opposite ends of which are pivotally supported by twoears 50 that project from the opposing ends of therack 5. - The
screw 21 engages with acorresponding nut screw 22 provided in thebase 70 of the actuatingelement 7. - Therefore, by acting upon the
screw 21 it is possible to adjust the position of the actuatingelement 7 with respect to therack 5. The actuatingelement 7 is in any case integral with therack 5 when it slides by effect of thepinion 4 manoeuvred by thehandgrip 3 to open or close the door or window frame. - At least one of the two opposed ends of the
screw 21, in particular itsoutermost end 21a facing towards the end of thecase 2, has acoupling seat 23 for a manoeuvring tool, with it being possible for both the opposing ends of thescrew 21 to be equipped with acorresponding coupling seat 23. - At the end of the
case 2 facing towards theend 21a of thescrew 21 there is provided an opening 24 for the access of the manoeuvring tool inside thecoupling seat 23. - From the
base 70 of the actuating element 7 asmall plate 71 projects to directly or indirectly coupling with themanoeuvring rod 6 of the kinematism of thecremone bolt 1 itself. - There is also a
counter-plate 25 for closing thecase 2. - A man skilled in the art can easily understand that, although in
figures 2-8 acremone bolt 1 is represented with a single actuatingelement 7, according to the present invention there can be twoactuation elements 7, as represented infigure 1 , each of which is associated to arespective rack 5 and to respective adjusting and fastening means that can be accessed by the opposing ends of thecase 2. - From the description above and from the attached drawings, the man skilled in the art can easily understand the assembly, the operation and the advantages of the cremone bolt according to the present invention.
- In assembly configuration of the
cremone bolt 1, thehandgrip 3 controls the rotation around the rotation axis A of thepinion 4 which actuates therack 5 when sliding, in one or the other of the two directions of the straight line R. - Said rack slides with respect to the
case 2 dragging the actuatingelement 7 with it thus actuating the kinematism connected to it and consisting for example of theconnection block 8, of themanoeuvring rod 6 and of theend locking bar 10 for opening or closing the door or window frame. - As indicated above, the actuating
element 7 or theactuation elements 7 and 7' are intended to be directly or indirectly connected to themanoeuvring rods 6, which, in turn, are connected to terminals orend locking bars 10 which engage with the abutments or with thefemale seats 11 constrained to the fixed frame of the door or window frame. - According to the present invention, the coupling clearances, which are inevitably generated in the connection between the various components of the kinematism controlled by the actuating
element 7 due to the tolerances and to the manufacturing and coupling faults of such same components, can be recovered and eliminated by adjusting the position of the actuatingelement 7 with respect to therack 5. - Such an adjustment can be made even when the
cremone bolt 1 is mounted in its configuration of use; it is indeed sufficient, to insert, through thesuitable opening 24 of thecase 2, a manoeuvring tool suitable for engaging with thecorresponding coupling seat 23 formed at one or at bothends 21a of thescrew 21. By imposing a certain rotation angle on thescrew 21 it is possible to make the actuatingelement 7 slide with respect to therack 5 so as to recover the coupling clearances between the various components of the kinematism controlled by it. - The cremone bolt thus conceived can undergo numerous modifications and variants, all covered by the invention; moreover, all the details can be replaced by technically equivalent elements. In practice the sizes and the materials used can be any according to the technical requirements.
Claims (10)
- A cremone bolt (1) for opening and closing door or window frames, of the type comprising a handle in turn comprising a case (2) intended to be applied on a moveable frame and a manoeuvring shaft (3) mounted pivotally on said case (2) around a rotation axis (A), in which within said case (2) a pinion (4) is provided, which is pivotally mounted around said rotation axis (A) is integrally constrained, at least in rotation, to said manoeuvring shaft (3) and engages with at least a rack (5) that is slidably associated to said case (2) in both directions of a straight line (R) orthogonal to said rotation axis (A) and parallel to at least a manoeuvring rod (6) of the cremone bolt, furthermore comprising at least an actuating element (7) which is connectable to said manoeuvring rod (6) , characterised in that said actuating element is slidably associated to said rack (5) in both directions of a straight line parallel to said straight line (R), and adjusting and fastening means of the position of said actuating element (7) with respect to said rack (5).
- The cremone bolt (1) according to claim 1, characterized in that, said adjusting and fastening means are supported by said rack (5) so as to be integral with said rack in its sliding movement along said straight line (R).
- The cremone bolt (1) according to claim 1 or 2, characterized in that said adjusting and fastening means are accessible from the outside of said handle.
- The cremone bolt (1) according to one or more preceding claims, characterized in that said actuating element (7) is associated to said rack (5) with a coupling of a male and female kind.
- The cremone bolt (1) according to claim 4, characterized in that said coupling comprises a male element (19) protruding from a side of said rack (5) or from the base (70) of said actuating means (7) and slideably housed in a corresponding female seat (20) provided in the base (70) of said actuating means (7) or alongside said rack (5).
- The cremone bolt (1) according to one or more preceding claims, characterized in that said adjusting and fastening means are of the kind of a manoeuvring and adjusting screw.
- The cremone bolt (1) according to claim 6, characterized in that said adjusting and fastening means comprise a screw (21) extending substantially parallel to said straight line (R), which has opposed ends pivotally supported by said rack (5) and which engages with a corresponding nut screw (22) provided in said actuating element (7).
- The cremone bolt (1) according to claim 7, characterized in that at least one of the two opposed ends (21a) of said screw (21) comprises a coupling seat (23) for a manoeuvring tool.
- The cremone bolt (1) according to claim 8, characterized in that said case (2) comprises at least an access opening (24) to said coupling seat (23) from the outside.
- The cremone bolt (1) according to one or more preceding claims, characterized in that it comprises a pair of said racks (5), each of them being associated to respective said actuating element (7, 7') having respective said adjusting and fastening means.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI2010A000837A IT1399927B1 (en) | 2010-05-11 | 2010-05-11 | CREMONESE FOR THE OPENING AND CLOSING OF WINDOWS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2386703A1 EP2386703A1 (en) | 2011-11-16 |
EP2386703B1 true EP2386703B1 (en) | 2015-11-11 |
Family
ID=43302014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11165409.1A Not-in-force EP2386703B1 (en) | 2010-05-11 | 2011-05-10 | Cremone bolt for opening and closing door or window frames |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2386703B1 (en) |
IT (1) | IT1399927B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101427515B1 (en) | 2013-01-24 | 2014-09-22 | 이병열 | A handle for sliding door |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1238270B (en) * | 1990-03-14 | 1993-07-12 | Giesse Spa | MULTI-PURPOSE CREMONESE HANDLE FOR FIXTURES. |
DE19956890A1 (en) * | 1999-11-26 | 2001-05-31 | Winkhaus Fa August | Locking gear for a window having a main wing and a secondary wing |
ITBO20020504A1 (en) * | 2002-07-31 | 2004-02-01 | Gsg Int Spa | HANDLE FOR DOOR OPENING AND DOOR OPENING AND TIPPING OPENING. |
DE202009007797U1 (en) * | 2009-06-04 | 2009-08-27 | Roto Frank Ag | Top-mounted gear unit for window and door leaves with removable operating handle and insertion aid |
-
2010
- 2010-05-11 IT ITMI2010A000837A patent/IT1399927B1/en active
-
2011
- 2011-05-10 EP EP11165409.1A patent/EP2386703B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
ITMI20100837A1 (en) | 2011-11-12 |
EP2386703A1 (en) | 2011-11-16 |
IT1399927B1 (en) | 2013-05-09 |
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