EP1859699A1 - Closure device, in particular for shoes, with slidable rack element - Google Patents
Closure device, in particular for shoes, with slidable rack element Download PDFInfo
- Publication number
- EP1859699A1 EP1859699A1 EP07108476A EP07108476A EP1859699A1 EP 1859699 A1 EP1859699 A1 EP 1859699A1 EP 07108476 A EP07108476 A EP 07108476A EP 07108476 A EP07108476 A EP 07108476A EP 1859699 A1 EP1859699 A1 EP 1859699A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- rack element
- housing
- rack
- slidably
- 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.)
- Withdrawn
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C11/00—Other fastenings specially adapted for shoes
- A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
- A43C11/1406—Fastenings with toggle levers; Equipment therefor
- A43C11/1413—Equipment for fastening toggle lever fastenings
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C11/00—Other fastenings specially adapted for shoes
- A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
- A43C11/1406—Fastenings with toggle levers; Equipment therefor
- A43C11/142—Fastenings with toggle levers with adjustment means provided for on the shoe, e.g. rack
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C11/00—Other fastenings specially adapted for shoes
- A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
- A43C11/1406—Fastenings with toggle levers; Equipment therefor
- A43C11/142—Fastenings with toggle levers with adjustment means provided for on the shoe, e.g. rack
- A43C11/1426—Fastenings with toggle levers with adjustment means provided for on the shoe, e.g. rack characterised by the attachment of the rack to the footwear
Definitions
- the present invention regards a ratchet device, in particular for footwear, to which the following description will make reference without limiting the applications of the invention.
- a ratchet fastening device which comprises, on one flap, a ring element which is clasped on the other flap between the teeth of a rack.
- the rack is usually movably mounted on the respective flap. With a snap mechanism, it is possible to move and lock the rack in at least several aligned positions, more or less close to the edge of the flap.
- Both comprise an elongated base plate, longitudinally slit to make a guide in which the foot of a rack element is inserted and can slide without detaching.
- rack element is lockable on the plate due to teeth integral therewith which are engaged in holes in the plate.
- the rack element can slide, linearly guided by a guide-slit in the base plate.
- the device is resistant to longitudinal forces, i.e. along the guide-slit and longitudinal to the rack, but not to lateral or twisting forces. If the rack element is subjected to a twisting stress tending to make it rotate, the entire device can easily be compromised, since it discharges the force on the slit of the plate.
- the rack element in fact acts as a lever pivoted in the guide-slit, highly effective for forcing it outside the guide-slit and/or deforming the edges of such guide-slit. At the very least, the aforesaid twisting can cause the deformation of the guide-slit, with consequent jamming or exit of the rack foot.
- the plate always comprises, in the contact surface with the shoe, a guide notch for the rack foot (which has a wider termination than the slit, so to not exit from this). With use, dirt or ice can accumulate in this notch, making the sliding of the rack element difficult, or in fact blocking its movement.
- the rack element is directed by two return springs arranged around a fastening rivet to the foot sliding in the slit: this inevitably determines clearances in the hinging point, with high wear during functioning and poor rack element stability.
- the present invention has as main object the making of a fastening device, in particular for footwear, which is more resistant to stress, particularly twisting stress. Another object is to make a fastening device which is less subject to jamming.
- a ratchet device in particular for footwear, comprising a plate which can be coupled to the shoe and a rack element, wherein the rack element, through retaining means, is slidably movable on the plate without detaching therefrom.
- the retaining means comprise a housing formed in the plate in which at least the ends of the rack element are slidably and inseparably engaged, or a housing associated with the rack element in which at least the ends of the plate are slidably and inseparable engaged.
- a device according to the invention is indicated with 10, and comprises a slightly curved plate 20, a rack element 30 with substantially the same curvature and a connector 40 associated with the rack element 30 which slidably connects the latter with the plate 20.
- the plate 20 has two shaped ends 21a, 21b.
- the end 21a is provided with a hole 22 for coupling to the shoe (not shown), by means for example of riveting, while the end 21b is provided with a tooth 23 which during the mounting is inserted in an anchoring seat in the shoe.
- the rack element 30 has, on its upper part, a series of teeth 32 which are transversely extended thereto, while on the lower part it has a projecting stop tooth 34.
- the rack element 30 is mounted oscillating on a rivet 50 which passes through it and which is engaged on two parallel segments 42 of the connector 40.
- the segments 42 are substantially orthogonal to the plate 20 and extend around it with a slightly curved section 44, with curvature substantially equal to that of the plate 20, and in contact with the surface of the plate 20.
- the section 44 comprises two extensions 46, separated from each other by the width of the holes 24 along the short side of the plate 20. One function of such extensions 46 is to increase the surface of the section 44 by better establishing the connector 40 on the plate 20.
- the rack element 30 is pivoting and can be lifted with respect to the plate 20.
- the tooth 34 is inserted in a hole 24, it passes through the hole and is set between the two extensions 46 of the connector 40.
- a relative longitudinal movement is prevented in the traction direction Ft between the rack element 30 and the plate 20, due to the interference between the tooth 34 and, simultaneously, a hole 24 and the connector 40.
- a relative longitudinal movement in the release direction Fp, opposite Ft (fig. 3), between the rack element 30 and the plate 20 is however possible, and facilitates the lifting of the rack element 30 due to a rounded and convex shape of the tooth 34 on its part 35 in contact with the edge of a hole 24 closest to the connector 40.
- the connector 40 slides on the plate 20.
- the section 44 is in abutment on the lower surface of the plate 20 and slides over it, while the segments 42 appropriately space the lifted rack element 30 from the plate 20 to facilitate the movement of the rack element 30.
- the connector 40 completely surrounds the lower part of the plate 20 with a bridge structure (tabs 22 plus section 44), making a containment housing which contains it and in which the plate 20 is slidably and inseparably engaged Since the housing completely contains the plate, the solidity of the entire device 10 is improved Nevertheless, the section 44 is optional, it sufficing that the segments 42 extend by curving under the plate 20, without however joining, as schematically shown in fig. 6, where a first variant 100a of the invention is displayed in section.
- the plate is indicated with 120a and the connector is indicated with 130a, in this case open on its lower part and comprising two equal hook tabs 121, 122 which define a housing 101a in which the ends 120ax, 120ay of the plate 120 are slidably and inseparably engaged.
- Section 44 is illustrated with a dashed line in the figure, for comparison: the housing 101a, with or without the section 44, is functionally identical in the two cases and fulfils the object of slidably and inseparably retaining the plate.
- a second variant 100b (fig. 7) is obtained by making a housing 101b on a plate 120b, for example by folding it to form two tabs 123, 124 of "L" shape and converging, between which the ends of an inverted "T"-shaped connector 130b can inseparably slide, connector to which a rack element is connected (not shown in the variants).
- a third variant 100c (fig. 8) is obtained by making, on a plate 120c, a housing 101c with two "C"-shaped tabs 125, 126, within which corresponding ends 130cx, 130cy of a "T"-shaped inverted connector 130c can inseparably slide.
- a fourth variant (fig. 9) is obtained by making, on a connector 130d, a housing 101d defined by two hook segments 129, 131 of "L" shape.
- the ends 120dx, 120dy of a "T"-shaped projection 135 integral with a plate 120d can inseparably slide.
Abstract
Ratchet device (10; 100a; 100b; 100c; 100d), in particular for footwear, comprising a plate (20; 120a; 120b; 120c; 120d) which can be coupled to the shoe and a rack element (30; 130a; 130b; 130c; 130d) which through retaining means is slidably movable on the plate without detaching therefrom. The device is characterised in that the retaining means between the plate and the rack element comprise a housing (101a; 101b; 101c; 101d) formed in one of the two in which at least the ends (120ax; 120ay; 130bx; 130by; 130cx; 130cy; 120dx; 120dy) of the other are slidably and inseparably engaged.
Description
- The present invention regards a ratchet device, in particular for footwear, to which the following description will make reference without limiting the applications of the invention.
- It is known that some footwear, especially for sport footwear, have flaps which are fastened together in an adjustable manner, to adapt the form of the shoe to the foot and to ensure maximum comfort. For this reason, a ratchet fastening device is used which comprises, on one flap, a ring element which is clasped on the other flap between the teeth of a rack. By varying the clasping position on the rack, it is possible to vary the amount the flaps are tightened together. To permit a greater adjustment, the rack is usually movably mounted on the respective flap. With a snap mechanism, it is possible to move and lock the rack in at least several aligned positions, more or less close to the edge of the flap.
- Devices of this type are known from
EP 1 602 296 andEP 1 169 932 . - Both comprise an elongated base plate, longitudinally slit to make a guide in which the foot of a rack element is inserted and can slide without detaching. Such rack element is lockable on the plate due to teeth integral therewith which are engaged in holes in the plate.
- The difference between the two inventions is that in the first the teeth are made underneath the rack element, while in the second they are made on an oscillating lever pivoted on the rack element itself.
- In both cases, as said, the rack element can slide, linearly guided by a guide-slit in the base plate. Overall, the device is resistant to longitudinal forces, i.e. along the guide-slit and longitudinal to the rack, but not to lateral or twisting forces. If the rack element is subjected to a twisting stress tending to make it rotate, the entire device can easily be compromised, since it discharges the force on the slit of the plate. The rack element in fact acts as a lever pivoted in the guide-slit, highly effective for forcing it outside the guide-slit and/or deforming the edges of such guide-slit. At the very least, the aforesaid twisting can cause the deformation of the guide-slit, with consequent jamming or exit of the rack foot. Another drawback is that the plate always comprises, in the contact surface with the shoe, a guide notch for the rack foot (which has a wider termination than the slit, so to not exit from this). With use, dirt or ice can accumulate in this notch, making the sliding of the rack element difficult, or in fact blocking its movement. In
EP 1 602 296 , moreover, the rack element is directed by two return springs arranged around a fastening rivet to the foot sliding in the slit: this inevitably determines clearances in the hinging point, with high wear during functioning and poor rack element stability. - The present invention has as main object the making of a fastening device, in particular for footwear, which is more resistant to stress, particularly twisting stress. Another object is to make a fastening device which is less subject to jamming.
- Such object is obtained with a ratchet device, in particular for footwear, comprising a plate which can be coupled to the shoe and a rack element, wherein the rack element, through retaining means, is slidably movable on the plate without detaching therefrom. The invention is characterised in that the retaining means comprise a housing formed in the plate in which at least the ends of the rack element are slidably and inseparably engaged, or a housing associated with the rack element in which at least the ends of the plate are slidably and inseparable engaged.
- The advantages will be evident from the following description of an exemplifying embodiment, illustrated in the attached drawing set where:
- Fig. 1 shows a three-dimensional view of a device according to the invention;
- Fig. 2 shows a lateral view of fig. 1 in a first position;
- Fig. 3 shows a lateral view of fig. 1 in a second position;
- Fig. 4 shows a vertical section of the device of fig. 1;
- Fig. 5 shows an exploded view of the device of fig. 1;
- Figs. 6-9 show variants of the invention.
- In the figures, a device according to the invention is indicated with 10, and comprises a slightly
curved plate 20, arack element 30 with substantially the same curvature and aconnector 40 associated with therack element 30 which slidably connects the latter with theplate 20. - The
plate 20 has twoshaped ends end 21a is provided with ahole 22 for coupling to the shoe (not shown), by means for example of riveting, while theend 21b is provided with atooth 23 which during the mounting is inserted in an anchoring seat in the shoe. In the central part of theplate 20, there are a plurality ofrectangular holes 24 symmetrically aligned along a longitudinal axis of theplate 20 itself. - The
rack element 30 has, on its upper part, a series ofteeth 32 which are transversely extended thereto, while on the lower part it has a projectingstop tooth 34. Therack element 30 is mounted oscillating on arivet 50 which passes through it and which is engaged on twoparallel segments 42 of theconnector 40. Thesegments 42 are substantially orthogonal to theplate 20 and extend around it with a slightlycurved section 44, with curvature substantially equal to that of theplate 20, and in contact with the surface of theplate 20. Thesection 44 comprises twoextensions 46, separated from each other by the width of theholes 24 along the short side of theplate 20. One function ofsuch extensions 46 is to increase the surface of thesection 44 by better establishing theconnector 40 on theplate 20. - As is visible in figs. 2 and 3, the
rack element 30 is pivoting and can be lifted with respect to theplate 20. When therack element 30 is lowered and in contact with the plate 20 (fig. 2), thetooth 34 is inserted in ahole 24, it passes through the hole and is set between the twoextensions 46 of theconnector 40. In this manner, a relative longitudinal movement is prevented in the traction direction Ft between therack element 30 and theplate 20, due to the interference between thetooth 34 and, simultaneously, ahole 24 and theconnector 40. A relative longitudinal movement in the release direction Fp, opposite Ft (fig. 3), between therack element 30 and theplate 20 is however possible, and facilitates the lifting of therack element 30 due to a rounded and convex shape of thetooth 34 on itspart 35 in contact with the edge of ahole 24 closest to theconnector 40. - When the
rack element 30 is lifted (fig. 3), thetooth 34 exits from thehole 24 where it was and leaves therack element 30 andplate 20 unconstrained The user can then move the rack element 30 (direction Ft or Fp) on theplate 20, stopping it at ahole 24, and lowering it to immobilise it in the new position. The lowering of therack element 30 is assisted by the action of ahelical spring 70, wrapped around therivet 50. It is noted that - and this is a further advantage of the invention - thespring 70 when assembled is housed in aseat 72 made laterally in the body of therack element 30. In the latter, there is a hole (indicated with 74) for therivet 50 of complementary size, without a clearance for arranging the spring as in the prior art. There is hence a greater solidity and a lack of oscillations of therack element 30 on therivet 50. In particular, it is advantageous to provide, in thehole 74, aradial extension 73 where oneend 70a of thespring 70 can be housed so to maintain it in position. Another solution is to ensure that one wall (indicated with 75) of theseat 72 acts as a backing for thesame end 70a of thespring 70. - During the movement in direction Ft or Fp, the
connector 40 slides on theplate 20. In particular, thesection 44 is in abutment on the lower surface of theplate 20 and slides over it, while thesegments 42 appropriately space the liftedrack element 30 from theplate 20 to facilitate the movement of therack element 30. - It is clear from the figures that, overall, the
connector 40 completely surrounds the lower part of theplate 20 with a bridge structure (tabs 22 plus section 44), making a containment housing which contains it and in which theplate 20 is slidably and inseparably engaged Since the housing completely contains the plate, the solidity of theentire device 10 is improved Nevertheless, thesection 44 is optional, it sufficing that thesegments 42 extend by curving under theplate 20, without however joining, as schematically shown in fig. 6, where afirst variant 100a of the invention is displayed in section. The plate is indicated with 120a and the connector is indicated with 130a, in this case open on its lower part and comprising twoequal hook tabs housing 101a in which the ends 120ax, 120ay of the plate 120 are slidably and inseparably engaged.Section 44 is illustrated with a dashed line in the figure, for comparison: thehousing 101a, with or without thesection 44, is functionally identical in the two cases and fulfils the object of slidably and inseparably retaining the plate. - A second variant 100b (fig. 7) is obtained by making a
housing 101b on aplate 120b, for example by folding it to form twotabs shaped connector 130b can inseparably slide, connector to which a rack element is connected (not shown in the variants). - A
third variant 100c (fig. 8) is obtained by making, on aplate 120c, ahousing 101c with two "C"-shaped tabs connector 130c can inseparably slide. - A fourth variant (fig. 9) is obtained by making, on a
connector 130d, ahousing 101d defined by twohook segments housing 130d, the ends 120dx, 120dy of a "T"-shaped projection 135 integral with aplate 120d can inseparably slide. - The described variants, even if schematic, illustrate other retaining means between the plate and the rack element comprising a housing (in the examples indicated with 101a, 101b, 101c, 101d) formed in one of the two, and in which at least the ends of the other (in the examples indicated with 120ax, 120ay, 130bx, 130by, 130cx, 130cy, 120dx, 120dy) are slidably and inseparably engaged.
- Other variants are in any case possible, always employing the inventive concept of the invention.
Claims (12)
- Ratchet device (10; 100a; 100b; 100c; 100d), in particular for footwear, comprising a plate (20; 120a; 120b; 120c; 120d) which can be coupled to the shoe and a rack element (30; 130a; 130b; 130c; 130d) which through retaining means is slidably movable on the plate without detaching therefrom, characterised in that the retainingr means between the plate and the rack element comprise a housing (101a; 101b; 101c; 101d) formed in one of the two in which at least the ends (120ax; 120ay; 130bx; 130by; 130cx; 130cy; 120dx; 120dy) of the other are slidably and inseparably engaged.
- Device according to claim 1, wherein the housing is made in a connector (40; 130a; 130d) pivoted on the rack element (30).
- Device according to claim 2, wherein the connector (40) is made so as to completely surround the plate (20) with a bridge structure (42, 44).
- Device according to claim 3, wherein the bridge structure comprises two segments (42) parallel to each other, arranged substantially orthogonal to the plate (30), which extend around the plate (20) so as to slidably and inseparably retain it.
- Device according to claim 4, wherein the two segments (42) are joined by a section (44) in contact with the surface of the plate (20).
- Device according to claim 5, wherein the plate (20) is holed with holes (24) and the section (44) comprises two extensions (46) separated from each other as much as the width of the holes (24) along a short side of the plate (20).
- Device according to any one of the claims 4 to 6, wherein the rack element (30) is mounted oscillating on a rivet (50), which passes through it in a hole (74) and which is pivotably engaged on the two segments (42).
- Device according to claim 7, characterised in that a seat (72) is laterally made in the body of the rack element (30), where a spring (70) is arranged and is adapted to elastically bias the rack element (30) against the plate (20).
- Device according to claim 8, wherein the spring (70) is a helical spring wound around the rivet (50).
- Device according to claim 8 or 9, wherein the hole (74) comprises a radial extension (73) where it can house an end (70a) of the spring (70) so as to hold it in position.
- Device according to claim 1, wherein the housing (101b; 101c) is obtained on the plate (120b; 120c).
- Shoe comprising a device made according to any one of the claims 1 to 11.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTV20060086 ITTV20060086A1 (en) | 2006-05-23 | 2006-05-23 | ARPIONISM DEVICE, IN PARTICULAR FOR FOOTWEAR |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1859699A1 true EP1859699A1 (en) | 2007-11-28 |
Family
ID=38461969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07108476A Withdrawn EP1859699A1 (en) | 2006-05-23 | 2007-05-18 | Closure device, in particular for shoes, with slidable rack element |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1859699A1 (en) |
IT (1) | ITTV20060086A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010049404A1 (en) * | 2008-10-29 | 2010-05-06 | Abe Sport Group S.R.L. | System for removably installing a fastening device on a sport footwear, and fastening device and sport footwear provided with said system |
ITTV20080143A1 (en) * | 2008-11-11 | 2010-05-12 | Giorgio Baggio | RAKE STRUCTURE OR TOOTHED CLAMP, PARTICULARLY FOR SPORTS SHOES |
ITPN20120023A1 (en) * | 2012-04-27 | 2013-10-28 | Tecnologica S P A | ADJUSTABLE RACK FOR LOCK TIGHTENING DEVICES, IN PARTICULAR FOR SPORTS SHOES |
EP2901881A1 (en) * | 2014-01-30 | 2015-08-05 | VEGA S.r.l. | Rack element for sports footwear |
IT201900016679A1 (en) * | 2019-09-19 | 2021-03-19 | Vega S R L Soc Unipersonale | LOCKING DEVICE FOR SPORTS SHOES |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2315874A1 (en) * | 1975-07-04 | 1977-01-28 | Olivieri Minuterie Metall | BUCKLE CLOSURE FOR SKI BOOTS, OR SIMILAR |
FR2441355A1 (en) * | 1978-11-15 | 1980-06-13 | Sesamat Anstalt | TENSION LEVER CLASP FOR BOOTS, PARTICULARLY FOR SKI BOOTS |
FR2561503A3 (en) * | 1984-03-20 | 1985-09-27 | Olivieri Icaro & C | ATTACHMENT FOR SKI SHOES, LEVER TYPE AND RING WITH CLOSURE VOLTAGE ADJUSTMENT DEVICE |
EP1396201A1 (en) * | 2002-09-05 | 2004-03-10 | Benetton Group S.p.A. | Fastening device, especially for a sports shoe |
EP1602296A1 (en) * | 2004-06-04 | 2005-12-07 | Premec S.P.A. | Ratchet device particularly for sports shoes |
-
2006
- 2006-05-23 IT ITTV20060086 patent/ITTV20060086A1/en unknown
-
2007
- 2007-05-18 EP EP07108476A patent/EP1859699A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2315874A1 (en) * | 1975-07-04 | 1977-01-28 | Olivieri Minuterie Metall | BUCKLE CLOSURE FOR SKI BOOTS, OR SIMILAR |
FR2441355A1 (en) * | 1978-11-15 | 1980-06-13 | Sesamat Anstalt | TENSION LEVER CLASP FOR BOOTS, PARTICULARLY FOR SKI BOOTS |
FR2561503A3 (en) * | 1984-03-20 | 1985-09-27 | Olivieri Icaro & C | ATTACHMENT FOR SKI SHOES, LEVER TYPE AND RING WITH CLOSURE VOLTAGE ADJUSTMENT DEVICE |
EP1396201A1 (en) * | 2002-09-05 | 2004-03-10 | Benetton Group S.p.A. | Fastening device, especially for a sports shoe |
EP1602296A1 (en) * | 2004-06-04 | 2005-12-07 | Premec S.P.A. | Ratchet device particularly for sports shoes |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010049404A1 (en) * | 2008-10-29 | 2010-05-06 | Abe Sport Group S.R.L. | System for removably installing a fastening device on a sport footwear, and fastening device and sport footwear provided with said system |
ITTV20080143A1 (en) * | 2008-11-11 | 2010-05-12 | Giorgio Baggio | RAKE STRUCTURE OR TOOTHED CLAMP, PARTICULARLY FOR SPORTS SHOES |
ITPN20120023A1 (en) * | 2012-04-27 | 2013-10-28 | Tecnologica S P A | ADJUSTABLE RACK FOR LOCK TIGHTENING DEVICES, IN PARTICULAR FOR SPORTS SHOES |
EP2901881A1 (en) * | 2014-01-30 | 2015-08-05 | VEGA S.r.l. | Rack element for sports footwear |
IT201900016679A1 (en) * | 2019-09-19 | 2021-03-19 | Vega S R L Soc Unipersonale | LOCKING DEVICE FOR SPORTS SHOES |
Also Published As
Publication number | Publication date |
---|---|
ITTV20060086A1 (en) | 2007-11-24 |
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