EP1722113B1 - Mechanism for door shackles comprising a sealing ring and method of disassembling such a shackle - Google Patents
Mechanism for door shackles comprising a sealing ring and method of disassembling such a shackle Download PDFInfo
- Publication number
- EP1722113B1 EP1722113B1 EP06116488A EP06116488A EP1722113B1 EP 1722113 B1 EP1722113 B1 EP 1722113B1 EP 06116488 A EP06116488 A EP 06116488A EP 06116488 A EP06116488 A EP 06116488A EP 1722113 B1 EP1722113 B1 EP 1722113B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing ring
- shackle
- support body
- rotary element
- door
- 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.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 72
- 238000007789 sealing Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 12
- 229910001369 Brass Inorganic materials 0.000 description 6
- 239000010951 brass Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000842 Zamak Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- -1 zinc-aluminum-magnesium-copper Chemical compound 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
- E05B3/06—Fastening knobs or handles to lock or latch parts by means arranged in or on the rose or escutcheon
- E05B3/065—Fastening knobs or handles to lock or latch parts by means arranged in or on the rose or escutcheon with spring biasing means for moving the handle over a substantial distance, e.g. to its horizontal position
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
- E05B2015/0462—Ring springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
- E05B3/06—Fastening knobs or handles to lock or latch parts by means arranged in or on the rose or escutcheon
-
- 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
Definitions
- the present invention relates to a mechanism for door shackles. It also concerns a method of disassembling such a mechanism.
- mechanisms for door shackles enabling the rotation and return to position of said shackles are housed within a body provided with an outer covering elementto aesthetical purposes, generally made of brass or other precious material.
- the outer cover of the mechanism often consists of two concentric portions having a different color or surface finishing (chroming, butter finish or other treatments).
- the covering element covers only partially said body, which is also made of brass or other precious material and becomes the central portion of the cover arranged around the shackle.
- the shackle mechanism is then applied onto the body during assembly.
- An example of an easy-to-use mechanism for door shackles is described in Italian patent no. IT1.282.808 of 21.4.1994 issued to the Applicant, whose content is to be regarded as a substantial part of the present description to reference purposes, in particular as far as the elements constituting the mechanism for door shackles are concerned.
- Document GB 2 312 934 A which can be considered as the closest prior art shows a mechanism for door shackles comprising a support body, a rotary element associated to a shackle and an elastic element defining an elastic return mechanism for the shackle.
- the mechanism also comprises an elastic sealing ring associated to an operating end of the shackle.
- the sealing ring has a first and second end with folded portions suitably shaped so as to separate the ends and thus to partially open the ring by exerting a thrust coplanar to said ring.
- an end of the elastic return mechanism element is positioned over the shank of the handle. Details about a removal of the handle are not given in this document.
- cylinders of door locks for houses or other premises are usually protected on the door side pointing outside, in order to increase lock safety; by means of a cylinder-covering element having a cap-like shape matching one of the two ends of the cylinder so as to house the latter within.
- Said cylindercover also known in the field as "defender” or “security”, typically consists of a sub-plate made of a burglar-resistant material, generally hardened steel, covered to aesthetical purposes by a plate made of brass or other material.
- the cylinder cover is then housed in its turn in the central hole of a support body and is provided on its inner edge with a peripheral projection preventing - once said cover is housed in operating position - its extraction through the central hole of the support body.
- the support body can be, depending on the circumstances, a circular or oval washer surrounding the lock, or an oblong plate extending from the lock to the door shackle, and is anyhow covered in its turn to aesthetical purposes with a covering element made of brass or other precious material.
- An outer cover consisting of two concentric portions having a different color or surface finishing can be provided also for the support body, the cover element thus covering only partially the support body made of precious material and constituting the central portion of the cover arranged around the cylinder cover.
- the technical task underlying the present invention is to provide a mechanism for door shackles that can basically obviate the drawbacks referred to above.
- an aim of the present invention is to provide a mechanism for door shackles that enables a significant reduction of manufacturing, assembly, storage and delivery costs.
- Another aim of the present invention is to provide a mechanism that can be easily carried out.
- a further aim is to considerably speed up and simplify assembly operations for door locks and shackles, thus enabling the assembly during installation and reducing stock of the various elements.
- a further aim of the present invention is to provide a mechanism with a high flexibility, a high interchangeability for the various components and rapid combinations of different elements.
- a final aim of the present invention is to provide a mechanism that enables an easy assembly and disassembly of the shackle from the mechanism also when the latter is mounted on the door.
- a mechanism for door shackles 15 comprises a support body 2 to be fastened to a door and having a hole 3, a rotary element 16 associated to said support body 2 and having an engagement portion 16a to be associated to a shackle 15, and an elastic element 17 placed between the support body 2 and the rotary element 16 and having a first end 17a associated to an operating portion 18 of the support body 2 and a second end 17b associated to an operating portion 19 of the rotary element 16.
- the support body 2, the rotary element 16 and the elastic element 17 define an elastic return mechanism 14 for a shackle 15.
- the mechanism for door shackles 15 further comprises an elastic sealing ring 24 placed beside the rotary element 16 and to be movably associated to an operating end 15a of a shackle 15 so as to fasten said operating end 15a to said rotary element 16.
- the mechanism 24 for door shackles 15 comprises also a covering device 1.
- the covering device 1 comprises a support body 2 to be fastened to a door and having a central hole 3, and a first covering element 4 having an opening 5 and to be associated to the support body 2 so as to cover a first portion 2a of said body.
- the first covering element 4 can be screwed onto a peripheral portion 6 of the support body 2 through corresponding threadings.
- the covering device 1 further comprises a second covering element 7 having a central hole 8 corresponding to the central hole 3 of the support body 2.
- the second covering element 7 is concentric with respect to the first covering element 4 and can be placed beside the latter in the central opening 5, and can be associated to the support body 2 so as to cover a second portion 2b of said body 2.
- the second covering element 7 is basically disc-shaped and its mass is as small as possible.
- the second covering element 7 and the first covering element 4 cover the whole front surface 9 of the support body 2.
- the second covering element 7 has a peripheral portion placed between the support body 2 and the first covering element 4, and is therefore kept in position since it is clamped between said elements.
- the support body 2 is provided with a housing 11 for the second covering element 7 and with an engagement portion 12, for instance a pin, to be associated to a corresponding engagement portion 13, for instance a hollow seat, of the second covering element 7 so as to prevent the reciprocal rotation in operating position.
- the central hole 3 of the support body 2 is therefore designed to enable the passage of an operating end 15a of the shackle 15.
- the device 1 further comprises a rotary element 16 associated to the support body 2 and having an engagement portion 16a that can be associated to the operating end 15a of the shackle 15, and an elastic element 17, for instance a coil spring, placed between the support body 2 and the rotary element 16.
- the elastic element 17 has a first end 17a associated to an operating portion 18 of the support body 2, and a second end 17b associated to an operating portion 19 of the rotary element 16.
- the support body 2, the rotary element 16 and the elastic element 17 therefore define an elastic return mechanism 14 for a shackle 15, which is thus integrated and should not be applied later during assembly of the mechanism 14.
- Said embodiment of the elastic return mechanism 14 using only said three elements, i.e. the support body 2, the rotary element 16 and the elastic element 17, is enabled by a free choice of the material which the support body 2 and the rotary element 16 are made of.
- the embodiment of the elastic return mechanism 14 using only three elements requires the presence on the support body 2 and on the rotary element 16 of a series of operating portions with undercuts, which would not be easily obtained from a technical point of view by molding with traditional materials such as brass.
- suitable metal alloys for instance "Zamak” (zinc alloy), or plastic for the support body 2, thus enables to achieve the result referred to above.
- the return mechanism 14 can therefore be applied also to known covering elements covering the support body 2 wholly with one element, since here again the support body 2 can be made of any suitable material. It is further provided for known elements such as gaskets 20 and a control rod 22, which is fitted into the door and connects the operating end 15a of the shackle 15 referred to above to a corresponding operating end of an opposite second shackle.
- the support body 2 is provided with some conventional threaded holes 23, arranged around the central hole 3, for assembling said support body 2 onto a door (not shown in the figure) by means of known assembly elements.
- the support body 2 can thus be mounted onto the door by means of fastening screws housed in suitable holes made in the door parallel to the rotation axis of the shackle 15, which screws connect two corresponding support bodies 2 mounted on both sides of the door.
- the size of the fastening screws is suitably chosen depending on the thickness of the door onto which they have to be mounted.
- the support body 2 comprises a basically circular washer, which could however also be an elliptical washer or an oblong plate extending from the lock to the shackle 15, as is known per se and therefore not shown in the accompanying figures.
- the first covering element 4 and the second covering element 7 have a different surface appearance, for instance a different color or a different surface treatment.
- At least the first 4 and the second covering element 7 can be made of brass or other precious material, whereas the support body 2 and the rotary element 16 not being visible from outside can be advantageously made of cheaper materials, such as metal alloys, "Zamak” (commercial name of a zinc-aluminum-magnesium-copper alloy), or plastic.
- a covering device 1 according to the present invention works as follows.
- the elastic return mechanism 14 of the shackle 15 can be assembled straight after manufacturing its components and be therefore supplied ready-to-use to the installer. The remaining elements can be advantageously all stored and delivered to the installer separately, therefore unassembled.
- the mechanism 14 and the covering device 1 it is only necessary to associate the support body 2, the spring 17 and the rotary element 16, which are pre-assembled, to the second covering element 7, coupling the corresponding engagement portions 12, 13 so as to avoid reciprocal rotation.
- the first element 4 is now screwed onto the support body 2, thus blocking the second covering element 7 in position.
- the shackle 15 is then associated to the rotary element 16 and to the control rod 22, and the return mechanism 14 with the covering device 1 can thus be mounted onto the door.
- the mechanism for door shackles 15 as shown above comprises, an elastic sealing ring 24 (instead of the traditional "seizer” sealing ring) and a stop element 25.
- the stop element 25 is designed to keep the elastic sealing ring 24 in contact with the rotary element 16 while fitting the operating end 15a of the shackle 15 into the elastic sealing ring 24.
- the stop element 25 can comprise a plate to be fastened to the rotary element 16, for instance by means of four pins 29 placed on the rotary element and four fastening holes 30 on the stop element 25.
- the stop element 25 could be made integrally with the rotary element 16, and therefore as one piece, finding a suitable arrangement enabling the sealing ring 24 to be fitted into its seat.
- the sealing ring 24 is elastic and is placed beside the rotary element 16 and can be movably associated to an operating end 15a of the shackle 15 so as to fasten said operating end 15a to the rotary element 16.
- Figure 11 shows a different shape of the ring 24, and further shape variants are obviously possible.
- the elastic sealing ring 24 is provided with a first 24a and a second end 24b having folded portions, suitably shaped so as to separate the ends 24a, 24b and thus partially open the ring 24 by exerting a thrust coplanar to said ring 24.
- the sealing ring 24 is further provided with at least a low resistance portion 24c (for instance having a small section or a suitable shape reducing its resistance) designed to increase the elasticity of the ring 24 and thus to make its opening easier.
- a low resistance portion 24c for instance having a small section or a suitable shape reducing its resistance
- the elastic sealing ring 24 can be obtained by shearing or by means of a threadlike element suitable folded so as to achieve a suitable shape, which can also differ from the one shown in the figures.
- the rotary element 16 is advantageously equipped with a plurality of positioning elements 26 to be movably associated to the elastic sealing ring 24, which is suitably shaped so as to be associated to the positioning elements 26. Said positioning elements 26 thus enable to fasten the elastic sealing ring 24 rotably together with the rotary element 16, thus preventing reciprocal rotations and enabling in the meanwhile a partial opening of the elastic sealing ring 24.
- the support body 2 is advantageously provided with a side opening 27 designed to enable the introduction, when the mechanism is mounted on a door, of a spacing element 28 parallel to the elastic sealing ring 24, so as to enable a partial opening of the elastic sealing ring 24 and the release of the operating end 15a of the shackle 15.
- said side opening 27 should be arranged so as to be, when the mechanism is in its rest position, on the two ends 24a, 24b of the elastic sealing ring 24.
- said mechanism can comprise a spacing element 28 having an end 28a suitably matching the folded portions of the ends 24a, 24b of the ring 24 and designed to fit into the side opening 27 of the support body 2 so as to allow the shackle to be disassembled.
- the shackle 15 can be very easily mounted, since it is only necessary to assemble the mechanism 14, to mount it onto a door and then to fit the shackle 15 into the mechanism 14 so that the end 15a pushes against the elastic sealing ring 14, slightly opening the latter and thus blocking it around said end 15a, which has a known peripheral groove.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Hinges (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
Description
- The present invention relates to a mechanism for door shackles. It also concerns a method of disassembling such a mechanism.
- As is known, mechanisms for door shackles enabling the rotation and return to position of said shackles are housed within a body provided with an outer covering elementto aesthetical purposes, generally made of brass or other precious material.
- It is further known that, still to aesthetical purposes, the outer cover of the mechanism often consists of two concentric portions having a different color or surface finishing (chroming, butter finish or other treatments).
- In such cases the covering element covers only partially said body, which is also made of brass or other precious material and becomes the central portion of the cover arranged around the shackle.
- The shackle mechanism is then applied onto the body during assembly. An example of an easy-to-use mechanism for door shackles is described in Italian patent no.
IT1.282.808 of 21.4.1994 -
Document GB 2 312 934 A GB2 312 934 A - It is also known that cylinders of door locks for houses or other premises are usually protected on the door side pointing outside, in order to increase lock safety; by means of a cylinder-covering element having a cap-like shape matching one of the two ends of the cylinder so as to house the latter within. Said cylindercover, also known in the field as "defender" or "security", typically consists of a sub-plate made of a burglar-resistant material, generally hardened steel, covered to aesthetical purposes by a plate made of brass or other material. The cylinder cover is then housed in its turn in the central hole of a support body and is provided on its inner edge with a peripheral projection preventing - once said cover is housed in operating position - its extraction through the central hole of the support body. The support body can be, depending on the circumstances, a circular or oval washer surrounding the lock, or an oblong plate extending from the lock to the door shackle, and is anyhow covered in its turn to aesthetical purposes with a covering element made of brass or other precious material. An outer cover consisting of two concentric portions having a different color or surface finishing can be provided also for the support body, the cover element thus covering only partially the support body made of precious material and constituting the central portion of the cover arranged around the cylinder cover.
- The known technique disclosed above has some drawbacks.
- Indeed, the solutions described are quite expensive, since both the body of the shackle mechanism and the cylinder support body are significantly massive, and therefore their production with precious materials increases the price of the finished product.
- It should further be pointed out that the assembly of the shackle mechanism onto the body is quite a complex operation, which should generally be carried out at the factory with obvious disadvantages involving delivery and storage costs.
- Moreover, the assembly of the shackle onto the mechanism should always be carried out before assembling the mechanism onto the door with a difficult operation, and it is always necessary to disassemble the whole door mechanism if only the shackle has to be replaced due to wrong assembly or other. It should eventually be pointed out that known mechanisms have quite a complex assembly, which makes it necessary to pre-assemble the mechanism at the factory and deliver the assembled mechanism to the distributor or installer. This results in high costs for storing and delivering said mechanisms, since the assembled mechanism is bulkier than its single components.
- Under these circumstances the technical task underlying the present invention is to provide a mechanism for door shackles that can basically obviate the drawbacks referred to above. Within said technical task an aim of the present invention is to provide a mechanism for door shackles that enables a significant reduction of manufacturing, assembly, storage and delivery costs. Another aim of the present invention is to provide a mechanism that can be easily carried out.
- A further aim is to considerably speed up and simplify assembly operations for door locks and shackles, thus enabling the assembly during installation and reducing stock of the various elements. A further aim of the present invention is to provide a mechanism with a high flexibility, a high interchangeability for the various components and rapid combinations of different elements. A final aim of the present invention is to provide a mechanism that enables an easy assembly and disassembly of the shackle from the mechanism also when the latter is mounted on the door.
- These and other aims, which shall become more evident thanks to the following description, are basically achieved by a mechanism for door shackles according to the appended claims. Further characteristics and advantages will become more evident from the detailed description of a preferred but not exclusive embodiment of a mechanism for door shackles according to the present invention. Said description will now be disclosed with reference to the accompanying drawings, provided to a merely indicative and therefore nonlimiting purpose, in which:
-
Figure 1 is a perspective exploded view of a mechanism for door shackles according to the present invention; -
Figures 2 and 3 are perspective views of a comparative example of the support body of the device ofFigure 1 ; -
Figure 4 and 5 are perspective views of a variant of the support body offigures 2 and 3 with a different fastening system to a door; -
Figures 6 and 7 are perspective views of a comparative example of rotary element of the device ofFigure 1 ; -
Figures 8, 9 and 10 show the disassembly of a shackle from a portion of the mechanism ofFigure 1 in three operating stages; -
Figure 11 shows an execution variant of an elastic sealing ring according to the present invention. - With reference to the accompanying figures, a mechanism for
door shackles 15 comprises asupport body 2 to be fastened to a door and having ahole 3, arotary element 16 associated to saidsupport body 2 and having an engagement portion 16a to be associated to ashackle 15, and anelastic element 17 placed between thesupport body 2 and therotary element 16 and having a first end 17a associated to anoperating portion 18 of thesupport body 2 and asecond end 17b associated to anoperating portion 19 of therotary element 16. Thesupport body 2, therotary element 16 and theelastic element 17 define anelastic return mechanism 14 for ashackle 15. The mechanism fordoor shackles 15 further comprises anelastic sealing ring 24 placed beside therotary element 16 and to be movably associated to an operating end 15a of ashackle 15 so as to fasten said operating end 15a to saidrotary element 16. - The
mechanism 24 fordoor shackles 15 comprises also acovering device 1. The coveringdevice 1 comprises asupport body 2 to be fastened to a door and having acentral hole 3, and a first coveringelement 4 having anopening 5 and to be associated to thesupport body 2 so as to cover a first portion 2a of said body. The first coveringelement 4 can be screwed onto aperipheral portion 6 of thesupport body 2 through corresponding threadings. Thecovering device 1 further comprises asecond covering element 7 having acentral hole 8 corresponding to thecentral hole 3 of thesupport body 2. The second coveringelement 7 is concentric with respect to the first coveringelement 4 and can be placed beside the latter in thecentral opening 5, and can be associated to thesupport body 2 so as to cover a second portion 2b of saidbody 2. Preferably, the second coveringelement 7 is basically disc-shaped and its mass is as small as possible. The second coveringelement 7 and the first coveringelement 4 cover thewhole front surface 9 of thesupport body 2. The second coveringelement 7 has a peripheral portion placed between thesupport body 2 and the first coveringelement 4, and is therefore kept in position since it is clamped between said elements. - The
support body 2 is provided with ahousing 11 for the second coveringelement 7 and with anengagement portion 12, for instance a pin, to be associated to acorresponding engagement portion 13, for instance a hollow seat, of the second coveringelement 7 so as to prevent the reciprocal rotation in operating position. In a preferred embodiment, as shown inFigures 1 to 7 , thecentral hole 3 of thesupport body 2 is therefore designed to enable the passage of an operating end 15a of theshackle 15. In said embodiment thedevice 1 further comprises arotary element 16 associated to thesupport body 2 and having an engagement portion 16a that can be associated to the operating end 15a of theshackle 15, and anelastic element 17, for instance a coil spring, placed between thesupport body 2 and therotary element 16. Theelastic element 17 has a first end 17a associated to anoperating portion 18 of thesupport body 2, and asecond end 17b associated to anoperating portion 19 of therotary element 16. Advantageously, thesupport body 2, therotary element 16 and theelastic element 17 therefore define anelastic return mechanism 14 for ashackle 15, which is thus integrated and should not be applied later during assembly of themechanism 14. Said embodiment of theelastic return mechanism 14 using only said three elements, i.e. thesupport body 2, therotary element 16 and theelastic element 17, is enabled by a free choice of the material which thesupport body 2 and therotary element 16 are made of. As a matter of fact, the embodiment of theelastic return mechanism 14 using only three elements requires the presence on thesupport body 2 and on therotary element 16 of a series of operating portions with undercuts, which would not be easily obtained from a technical point of view by molding with traditional materials such as brass. The possibility of using suitable metal alloys, for instance "Zamak" (zinc alloy), or plastic for thesupport body 2, thus enables to achieve the result referred to above. - It should be pointed out that the
return mechanism 14 can therefore be applied also to known covering elements covering thesupport body 2 wholly with one element, since here again thesupport body 2 can be made of any suitable material. It is further provided for known elements such asgaskets 20 and acontrol rod 22, which is fitted into the door and connects the operating end 15a of theshackle 15 referred to above to a corresponding operating end of an opposite second shackle. - The
support body 2 is provided with some conventional threadedholes 23, arranged around thecentral hole 3, for assembling saidsupport body 2 onto a door (not shown in the figure) by means of known assembly elements. Thesupport body 2 can thus be mounted onto the door by means of fastening screws housed in suitable holes made in the door parallel to the rotation axis of theshackle 15, which screws connect twocorresponding support bodies 2 mounted on both sides of the door. Obviously, the size of the fastening screws is suitably chosen depending on the thickness of the door onto which they have to be mounted. In the example shown below thesupport body 2 comprises a basically circular washer, which could however also be an elliptical washer or an oblong plate extending from the lock to theshackle 15, as is known per se and therefore not shown in the accompanying figures. - Advantageously, the first covering
element 4 and the second coveringelement 7 have a different surface appearance, for instance a different color or a different surface treatment. At least the first 4 and thesecond covering element 7 can be made of brass or other precious material, whereas thesupport body 2 and therotary element 16 not being visible from outside can be advantageously made of cheaper materials, such as metal alloys, "Zamak" (commercial name of a zinc-aluminum-magnesium-copper alloy), or plastic. Acovering device 1 according to the present invention, as described above from a mainly structural point of view, works as follows. - The
elastic return mechanism 14 of theshackle 15 can be assembled straight after manufacturing its components and be therefore supplied ready-to-use to the installer. The remaining elements can be advantageously all stored and delivered to the installer separately, therefore unassembled. In order to install themechanism 14 and thecovering device 1 it is only necessary to associate thesupport body 2, thespring 17 and therotary element 16, which are pre-assembled, to thesecond covering element 7, coupling thecorresponding engagement portions first element 4 is now screwed onto thesupport body 2, thus blocking thesecond covering element 7 in position. Theshackle 15 is then associated to therotary element 16 and to thecontrol rod 22, and thereturn mechanism 14 with thecovering device 1 can thus be mounted onto the door. - The mechanism for
door shackles 15 as shown above comprises, an elastic sealing ring 24 (instead of the traditional "seizer" sealing ring) and astop element 25. - The
stop element 25 is designed to keep theelastic sealing ring 24 in contact with therotary element 16 while fitting the operating end 15a of theshackle 15 into theelastic sealing ring 24. - It is thus possible to automatically mount the shackle into the mechanism, even though the latter is already mounted on the door.
- The
stop element 25 can comprise a plate to be fastened to therotary element 16, for instance by means of fourpins 29 placed on the rotary element and fourfastening holes 30 on thestop element 25. As an alternative, thestop element 25 could be made integrally with therotary element 16, and therefore as one piece, finding a suitable arrangement enabling the sealingring 24 to be fitted into its seat. - Advantageously, the sealing
ring 24 is elastic and is placed beside therotary element 16 and can be movably associated to an operating end 15a of theshackle 15 so as to fasten said operating end 15a to therotary element 16.Figure 11 shows a different shape of thering 24, and further shape variants are obviously possible. Theelastic sealing ring 24 is provided with a first 24a and asecond end 24b having folded portions, suitably shaped so as to separate theends 24a, 24b and thus partially open thering 24 by exerting a thrust coplanar to saidring 24. The sealingring 24 is further provided with at least alow resistance portion 24c (for instance having a small section or a suitable shape reducing its resistance) designed to increase the elasticity of thering 24 and thus to make its opening easier. Advantageously, theelastic sealing ring 24 can be obtained by shearing or by means of a threadlike element suitable folded so as to achieve a suitable shape, which can also differ from the one shown in the figures. - The
rotary element 16 is advantageously equipped with a plurality ofpositioning elements 26 to be movably associated to theelastic sealing ring 24, which is suitably shaped so as to be associated to thepositioning elements 26. Saidpositioning elements 26 thus enable to fasten theelastic sealing ring 24 rotably together with therotary element 16, thus preventing reciprocal rotations and enabling in the meanwhile a partial opening of theelastic sealing ring 24. - Moreover, the
support body 2 is advantageously provided with aside opening 27 designed to enable the introduction, when the mechanism is mounted on a door, of aspacing element 28 parallel to theelastic sealing ring 24, so as to enable a partial opening of theelastic sealing ring 24 and the release of the operating end 15a of theshackle 15. - Obviously, said
side opening 27 should be arranged so as to be, when the mechanism is in its rest position, on the twoends 24a, 24b of theelastic sealing ring 24. - Furthermore, said mechanism can comprise a
spacing element 28 having an end 28a suitably matching the folded portions of theends 24a, 24b of thering 24 and designed to fit into theside opening 27 of thesupport body 2 so as to allow the shackle to be disassembled. - Obviously, said execution variant can also be carried out separately from the covering device disclosed above.
- The mechanism described above works as briefly disclosed in the following.
- The
shackle 15 can be very easily mounted, since it is only necessary to assemble themechanism 14, to mount it onto a door and then to fit theshackle 15 into themechanism 14 so that the end 15a pushes against theelastic sealing ring 14, slightly opening the latter and thus blocking it around said end 15a, which has a known peripheral groove. - In order to disassemble the shackle, it is only necessary to fit the end 28a of the
spacing element 28 into theside opening 27 of thebody 2, pushing against the folded portions of theends 24a, 24b of thering 24, so as to allow the shackle to be disassembled, as shown in detail inFigures 8 to 10 (in which for reasons of clarity only theshackle 15, therotary element 16, the sealingring 24 and thespacing element 28 are shown, without thebody 2 and the stop element 25).
Claims (12)
- Mechanism for door shackles (15), comprising:a support body (2) to be fastened to a door and having a hole (3),a rotary element (16) associated to said support body (2) and having an engagement portion (16a) to be associated to a shackle (15), andan elastic element (17) placed between the support body (2) and the rotary element (16) and having a first end (17a) associated to an operating portion (18) of the support body (2) and a second end (17b) associated to an operating portion (19) of the rotary element (16), said support body (2), rotary element (16) and elastic element (17) defining an elastic return mechanism (14) for a shackle (15), wherein the mechanism further comprises an elastic sealing ring (24) placed beside said rotary element (16) and to be movably associated to an operating end (15a) of a shackle (15) so as to fasten said operating end (15a) to said rotary element (16), said sealing ring (24) having a first (24a) and a second end (24b), whereby said first and second end (24a, 24b) have folded portions suitably shaped so as to separate said ends (24a, 24b) and thus to partially open the ring (24) by exerting a thrust coplanar to said ring (24), said support body (2) being provided with a side opening (27) enabling the introduction, when said mechanism is mounted on a door, of a spacing element (28) parallel to said elastic sealing ring (24), so as to partially open said elastic sealing ring (24) and to release said operating end (15a) of a shackle (15).
- Mechanism according to claim 1, characterized in that said sealing ring is provided with at least a low resistance portion (24c) designed to increase the elasticity of the ring (24) and thus to make its opening easier.
- Mechanism according to claim 1 or 2, characterized in that said sealing ring is obtained from a suitably folded threadlike element.
- Mechanism according to claim 1 or 2 or 3, characterized in that said side opening (27) is arranged so as to be, when the mechanism is in its rest position, on the two ends (24a, 24b) of the elastic sealing ring (24).
- Mechanism according to any of claims 1 to 4, characterized in that it further comprises a stop element (25) designed to keep said elastic sealing ring (24) in contact with said rotary element (16) while fitting said operating end (15a) of the shackle (15) into said elastic sealing ring (24).
- Mechanism according to claim 5, characterized in that said stop element (25) comprises a plate to be fastened to said rotary element (16).
- Mechanism according to claim 5, characterized in that said stop element (25) is made integrally with said rotary element (16).
- Mechanism according to any of claims 1 to 7, characterized in that said rotary element (16) is equipped with a plurality of positioning elements (26) movably associated to said elastic sealing ring (24), which is suitably shaped so as to be associated to said positioning elements (26), so as to rotably fasten said elastic sealing ring (24) together with said rotary element (16), thus enabling a partial opening of said elastic sealing ring (24).
- Mechanism according to claim 6, characterized in that said plate is fastened to the rotary element (16) by means of four pins (29) placed on the rotary element and four fastening holes (30) on the stop element (25)..
- Mechanism according to any of claims 1 to 9, characterized in that it comprises said spacing element (28) having an end (28a) suitably matching said folded portions of said ends (24a, 24b) of the ring (24) and designed to fit into said side opening (27) of the support body (2).
- Method of disassembling a shackle (15) fitted into the mechanism according to any of claims 1 to 9, comprising the steps of fitting an end (28a) of the spacing element (28) into the side opening (27) of the support body (2), pushing against the folded portions of the ends (24a, 24b) of the sealing ring (24), so as to allow the shackle to be disassembled.
- The method of claim 11, wherein the shackle (15) is mounted by assembling the mechanism (14), mounting it onto a door and then fitting the shackle (15) into the mechanism (14) so that the end (15a) pushes against the elastic sealing ring (14), slightly opening the latter and thus blocking it around said end (15a), which has a peripheral groove.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000026A ITBS20030026A1 (en) | 2003-03-07 | 2003-03-07 | COVERING DEVICE FOR MECHANISMS OF HANDLES AND LOCKS FOR DOORS. |
EP04425018A EP1455035A3 (en) | 2003-03-07 | 2004-01-16 | Covering device and mechanism for door handles |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04425018A Division EP1455035A3 (en) | 2003-03-07 | 2004-01-16 | Covering device and mechanism for door handles |
EP04425018.1 Division | 2004-01-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1722113A2 EP1722113A2 (en) | 2006-11-15 |
EP1722113A3 EP1722113A3 (en) | 2008-01-23 |
EP1722113B1 true EP1722113B1 (en) | 2011-03-16 |
Family
ID=32800669
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04425018A Withdrawn EP1455035A3 (en) | 2003-03-07 | 2004-01-16 | Covering device and mechanism for door handles |
EP06116488A Expired - Lifetime EP1722113B1 (en) | 2003-03-07 | 2004-01-16 | Mechanism for door shackles comprising a sealing ring and method of disassembling such a shackle |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04425018A Withdrawn EP1455035A3 (en) | 2003-03-07 | 2004-01-16 | Covering device and mechanism for door handles |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP1455035A3 (en) |
AT (1) | ATE502219T1 (en) |
DE (1) | DE602004031884D1 (en) |
IT (1) | ITBS20030026A1 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005001445A1 (en) * | 2005-01-12 | 2006-07-20 | Hewi Heinrich Wilke Gmbh | Restoring device for a door handle comprises a housing arranged on a door leaf and made from plastic and/or metal for receiving a spring element, a catch and a locking element |
DE202005015858U1 (en) * | 2005-10-10 | 2006-01-05 | Kramme, Wolfgang | door fittings |
SI1882798T1 (en) * | 2006-07-27 | 2010-04-30 | Almar S P A | Fitting for door or window |
ATE494440T1 (en) * | 2008-10-31 | 2011-01-15 | Almar S P A | DOOR OR WINDOW FITTING |
IT1392125B1 (en) * | 2008-11-20 | 2012-02-22 | Zamet Italia S R L | DEVICE FOR DOOR HANDLES |
IT1400963B1 (en) * | 2010-06-15 | 2013-07-05 | Gregorio Di | RETURN MECHANISM FOR HANDLES OR DOOR KNOBS |
CN101915013B (en) * | 2010-08-04 | 2012-10-10 | 傅海 | Handle |
PL2778319T3 (en) * | 2013-03-15 | 2016-08-31 | Manuel Vollmer | Rose for door fitting and handle system including such a rose |
WO2014193321A1 (en) * | 2013-05-28 | 2014-12-04 | Ucak Koltuk Uretimi Sanayi Ve Ticaret Anonim Sirketi | Lock system for a plane seat dining table |
DE102014105333A1 (en) * | 2014-04-15 | 2015-10-15 | Dorma Deutschland Gmbh | Fitting device for a door leaf of a door |
KR101803511B1 (en) * | 2016-02-18 | 2017-11-30 | 주식회사 아마다스 | Interface module device of digital door lock |
ITUA20162603A1 (en) * | 2016-04-14 | 2017-10-14 | Frosio Bortolo S R L | Rosette and mounting method |
GB2549960A (en) * | 2016-05-04 | 2017-11-08 | Joseph Giles Ltd | Handle system for a closure |
RU2648633C1 (en) * | 2016-11-28 | 2018-03-26 | Михаил Валерьевич Прудовский | Door handle attachment fitting |
CN106677610A (en) * | 2016-12-20 | 2017-05-17 | 广东合和建筑五金制品有限公司 | Shifting fork handle |
TWM547016U (en) * | 2017-04-18 | 2017-08-11 | Taiwan Fu Hsing Industrial Co Ltd | Spring back device of lock structure |
RU178844U1 (en) * | 2017-04-27 | 2018-04-19 | Михаил Юрьевич Рылеев | Protective cover for cylinder lock mechanism |
RU2692783C1 (en) * | 2018-07-03 | 2019-06-27 | Виталий Дмитриевич Горчаков | Pad for lock element protection |
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GB606209A (en) * | 1946-01-10 | 1948-08-10 | Herbert George Smith | Improved means for attaching knobs or handle levers to roses or door plates |
GB1220187A (en) * | 1968-03-22 | 1971-01-20 | James Collins Birmingham Ltd | Improvements relating to door handles |
AT365273B (en) * | 1980-03-31 | 1981-12-28 | Keller Ernst | TURN-IN ROSETTE FOR A POCKET LOCK |
DE3234512C2 (en) * | 1982-09-17 | 1985-07-18 | Jans, Franz Werner, 6050 Offenbach | Door plate for a door lock |
DE3604115C2 (en) * | 1985-03-01 | 1994-06-23 | Rudolf Wilke | Lever handle arrangement |
DE8905812U1 (en) * | 1989-05-10 | 1989-06-22 | Franz Schneider Brakel GmbH & Co, 3492 Brakel | Security rosette for a profile locking cylinder in a framed door made of metal or plastic |
DE9300481U1 (en) * | 1993-01-15 | 1993-03-11 | HEWI Heinrich Wilke GmbH, 3548 Arolsen | Rosette for a locking cylinder |
US5351513A (en) * | 1993-03-01 | 1994-10-04 | Baldwin Hardware Corporation | Double cylinder deadbolt |
IT1282808B1 (en) * | 1994-04-21 | 1998-03-31 | Zamet Metallurg S N C Dei F Ll | Novel two-way component suitable for fitting to door handles and knobs in order to reposition them automatically whenever operated |
DE29511547U1 (en) * | 1995-07-19 | 1996-11-21 | Hewi Heinrich Wilke Gmbh, 34454 Arolsen | Device for axially immovable, releasable attachment of a handle to a bearing part, in particular for door handles, window handles or the like. |
AUPN966696A0 (en) * | 1996-05-06 | 1996-05-30 | Ripponlea Australia Pty Ltd | Improvements in or relating to door handles |
NL1005384C2 (en) * | 1997-02-27 | 1998-08-28 | Centrex Limited | Device for opening a door, spring back device, bush and door handle for a device for opening a door. |
DE29801858U1 (en) * | 1998-02-05 | 1998-04-02 | Dorma Gmbh + Co. Kg, 58256 Ennepetal | Lever handle connection on a door leaf |
FR2797290B1 (en) * | 1999-08-03 | 2001-10-26 | Ct D Approvisionnement En Deco | LOCK CONTROL MECHANISM |
DE20113717U1 (en) * | 2001-08-24 | 2001-11-15 | Hoppe Ag, St. Martin | Building hardware substructure |
-
2003
- 2003-03-07 IT IT000026A patent/ITBS20030026A1/en unknown
-
2004
- 2004-01-16 EP EP04425018A patent/EP1455035A3/en not_active Withdrawn
- 2004-01-16 EP EP06116488A patent/EP1722113B1/en not_active Expired - Lifetime
- 2004-01-16 AT AT06116488T patent/ATE502219T1/en not_active IP Right Cessation
- 2004-01-16 DE DE602004031884T patent/DE602004031884D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1722113A2 (en) | 2006-11-15 |
EP1455035A2 (en) | 2004-09-08 |
EP1455035A3 (en) | 2006-01-04 |
DE602004031884D1 (en) | 2011-04-28 |
ITBS20030026A1 (en) | 2004-09-08 |
ATE502219T1 (en) | 2011-04-15 |
EP1722113A3 (en) | 2008-01-23 |
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