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US3678539A - Fastener particularly for ski or mountaineering boots - Google Patents

Fastener particularly for ski or mountaineering boots Download PDF

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Publication number
US3678539A
US3678539A US73877A US3678539DA US3678539A US 3678539 A US3678539 A US 3678539A US 73877 A US73877 A US 73877A US 3678539D A US3678539D A US 3678539DA US 3678539 A US3678539 A US 3678539A
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United States
Prior art keywords
gear
rack
fastener
boot
cover plate
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Expired - Lifetime
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US73877A
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Josef Graup
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/16—Fastenings secured by wire, bolts, or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/14—Bale and package ties, hose clamps
    • Y10T24/1412—Bale and package ties, hose clamps with tighteners
    • Y10T24/1427—Worm and tooth
    • Y10T24/1431—Radial worm band clamp
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2183—Ski, boot, and shoe fasteners

Definitions

  • ABSTRACT 'i 38 Fasteners for boots have a clip overlapping one of the side 276 L parts ofthe boot and engageable with a rack that is secured to Fkld m .26/19 618 2s4/ the other side part ofthe boot, the rack being moveable across the tongue portion of the boot by turning of a gear mating with the rack to bring the engaged clip into a boot tightening posi- References CM tion.
  • the fasteners are particularly useful for ski and moun- UNITED STATES PATENTS taineerins boots- 3,214,809 1 1/1965 Edwards ..24/274 WB 3 Cllirm, 5 Drawing Figures PATENTEUJULZSIWZ 3.678.539
  • the subject of the invention is a fastener particularly for ski or mountaineering boots, wherein a clip secured to one side part of the boot and overlapping the gap between both side parts is adapted to engage in a tightening element on the othe side part of the boot.
  • Tightening fasteners for heavy boots, particularly for ski 9r mountaineering boots have been more and more successful in the last few years. Although said tightening fasteners are an essential improvement they are frequency not fully satisfactory. primarily due to the fact that many additions are necessary to reduce the pressure on the instep occurring after fastening of the buckles. As buckle fasteners have an average distance of about 7 mm from tooth to tooth, additional fine adjustments (eccentrics) are necessary in order to obtain the desired, more precise adaption of the boot to the foot. It is moreover considered a shortcoming that the buckles remain closed only under tension. In loosened condition, when the foot should relax, the buckles and the clips dange uncontrolled on the boot.
  • the foot does not have, as would be desirable, at least a minimum support in the boot when the wearer walks.
  • the type of fastener should also be adapted to the foot, since a moulded plastic part adapted to the foot does not require the wide overlapping and since the shape of the boot is determined by the injection mould, the tightening distance thus being shorter.
  • the object of the invention is to eliminate all the above-cited shortcomings and to obtain a fastener which is easy to handle but still warrants quick and safe fastening.
  • the novelty of the invention is particularly characterized in that no pressure whatsoever can occur in direction of the foot, the tension being exerted in longitudinal direction of the fastener and thus more or less parallel to the arch of the instep of the wearer. For this reason such a fastener grants a more reliable support, the forces resulting from normal tension having a direction which cannot cause any opening of the fastener.
  • a fastener according to the invention is similar to a lace, which does not perform any pressure on the wearer's instep either.
  • a boot fastener according to the invention is primarily characterized in that its tightening element consists of a rackand and pinion-gear having a gear and a rack being in operative connection whereby the rack is movable cross to the instep of the wearer by turning the gear, whereby the clip being engaged in the rack is brought in tightening position.
  • a preferred embodiment of the invention consists in that the rack is slidably secured in longitudinal direction between a base plate and a cover plate, whereby the gear that is mounted on a king pin between the base plate and the cover plate and is slidable in axial direction is adapted to be engaged in an opening in the cover plate corresponding to said gear.
  • This spring is, according to the invention, simply designed as a flat spring slipped on the king pin.
  • a preferred embodiment of the invention consists in that the rack is developed as a slightly arched plate, fitting in a corresponding recess of the cover plate, whereby the teeth of the rack are provided on the edge of a recess in said rack.
  • a fastener cannot exert any pressure on the foot of the wearer, the tension exerted, when the fastener is tightened, running parallel to the arch of the instep.
  • the rack At its end projecting from the cover plate the rack preferably has several bores in which a pivot pin of the clip is adapted to be engaged. This already enables a rough adjustment of the span width, as the clip with its pin can be set in the hole required in each case.
  • the final tension is effected by turning the gear which moves the rack together with the clip secured to it and which ensures, corresponding to the distance of the teeth between the rack and the gear, an almost uninterrupted continuity of adjusting possibilities.
  • FIG. I shows a complete fastener according to the invention in closed condition on the boot
  • FIG. 2 is a plan view of such a fastener
  • FIGS. 3 and 4 are sectional views according to lines III-IV of FIG. 2 and FIG. 5 illustrates the tightening device of the fastener disassembled in its individual parts.
  • FIG. I shows a boot having a gap C between both side parts A B and the tongue of the boot being arranged behind said gap.
  • the tightening element I consists of a base plate 5 and a cover plate 6 disposed above said base plate, a rack being slidably provided in longitudinal direction between them.
  • the base plate 5 and the cover plate 6, resp. are provided with recesses 10 and I5, together forming a guide for the rack 2.
  • a slotted recess II is provided in which a row of teeth is secured at one side, mating with a gear 3, said gear being mounted on a king pin 7.
  • This king pin 7 is slidably mounted between the base plate 5 and the cover plate 6 in such manner that said king pin engages, if lifted, in an opening 8 exactly corresponding to the gear 3; if, however, said king pin is pressed downward, it is freely movable with its gear 3, under the cover plate 6, whereby it shifts the rack 2 mating with it in longitudinal direction.
  • the rack 2 On its end projecting from the housing the rack 2 is provided with bores I2 which are adapted to engage a pivot pin I3 of the clip 4.
  • a slightly arched flat spring 9 is provided in the recess I0 of the base plate 5, adjacent to the gear 3 with the top part of the spring 9 pressing against the base of the gear 3.
  • a lever I4 is provided on the top end of the king pin.
  • the lever I4 consists of a pair of tongues that may be turned down (see FIG. 3) when not in use so as to reduce inconvenient protrusions from the fastener.
  • the function of the fastener according to the invention is very simple to that there will hardly occur any trouble.
  • a fastener for ski and mountaineering boots that provides for quick adjustment of the degree of tightening of the boot upon the foot of a wearer which comprises a rack and pinion gear, a base plate, a cover plate, recesses in said plates forming a guide in which said rack reciprocates, said gear being move- 2.
  • said lever eompriaea a pair of tongue: that may be moved from a position perpendicular to the longitudinal axis ofaaid rack for rotation of said pin and gear to a position parallei to said axis for reducing protrusions on the fastener.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

Fasteners for boots have a clip overlapping one of the side parts of the boot and engageable with a rack that is secured to the other side part of the boot, the rack being moveable across the tongue portion of the boot by turning of a gear mating with the rack to bring the engaged clip into a boot tightening position. The fasteners are particularly useful for ski and mountaineering boots.

Description

United States Patent Graup 1 July 25, 1972 {s41 FASTENER PARTICULARLY FOR SKI 3,182,366 5/1965 Teufel ..24/68 s1 0R MOUNTAINEERING BOOTS 83.087 10/1868 310,428 1/1885 [721 z g g g'f 351.287 2/1887 Nolte ..24/68 SK [221 Filed: Sept. 21, 1970 FOREIGN PATENTS OR APPLICATIONS [2|] pp No: 73 77 456,396 7/]968 Switzerland ..24/68 SK Primary Examiner-Bernard A. Gelak [30] m" Appucdm Attorney-Kemon, Palmer 8/. Estabrook Oct. 3, 1969 9361/69 [57] ABSTRACT 'i 38 Fasteners for boots have a clip overlapping one of the side 276 L parts ofthe boot and engageable with a rack that is secured to Fkld m .26/19 618 2s4/ the other side part ofthe boot, the rack being moveable across the tongue portion of the boot by turning of a gear mating with the rack to bring the engaged clip into a boot tightening posi- References CM tion. The fasteners are particularly useful for ski and moun- UNITED STATES PATENTS taineerins boots- 3,214,809 1 1/1965 Edwards ..24/274 WB 3 Cllirm, 5 Drawing Figures PATENTEUJULZSIWZ 3.678.539
SHEET 1 0F 3 INVENTOR \Tose'p Gra f ATTORNEY PATENTEU JUL25l9T2 3,678,539
sum 2 [IF 3 Fig- 3 INVENTOR Isa Gvaw PATENTEDJULZSIQIZ 3 79 539 SHEEI 3 0F 3 Fig. 5
INVENTOR Jam? G l f BY ATTORNEY FASTENER PARTICULARLY FOR SKI OR MOUNTAINEERING BOOTS The subject of the invention is a fastener particularly for ski or mountaineering boots, wherein a clip secured to one side part of the boot and overlapping the gap between both side parts is adapted to engage in a tightening element on the othe side part of the boot.
Tightening fasteners for heavy boots, particularly for ski 9r mountaineering boots have been more and more successful in the last few years. Although said tightening fasteners are an essential improvement they are frequency not fully satisfactory. primarily due to the fact that many additions are necessary to reduce the pressure on the instep occurring after fastening of the buckles. As buckle fasteners have an average distance of about 7 mm from tooth to tooth, additional fine adjustments (eccentrics) are necessary in order to obtain the desired, more precise adaption of the boot to the foot. It is moreover considered a shortcoming that the buckles remain closed only under tension. In loosened condition, when the foot should relax, the buckles and the clips dange uncontrolled on the boot. In this condition the foot does not have, as would be desirable, at least a minimum support in the boot when the wearer walks. According to the great changes in making boots (see plastic boots, injected or moulded surfaces or parts) the type of fastener should also be adapted to the foot, since a moulded plastic part adapted to the foot does not require the wide overlapping and since the shape of the boot is determined by the injection mould, the tightening distance thus being shorter. The object of the invention is to eliminate all the above-cited shortcomings and to obtain a fastener which is easy to handle but still warrants quick and safe fastening.
The novelty of the invention is particularly characterized in that no pressure whatsoever can occur in direction of the foot, the tension being exerted in longitudinal direction of the fastener and thus more or less parallel to the arch of the instep of the wearer. For this reason such a fastener grants a more reliable support, the forces resulting from normal tension having a direction which cannot cause any opening of the fastener. A fastener according to the invention is similar to a lace, which does not perform any pressure on the wearer's instep either.
A boot fastener according to the invention is primarily characterized in that its tightening element consists of a rackand and pinion-gear having a gear and a rack being in operative connection whereby the rack is movable cross to the instep of the wearer by turning the gear, whereby the clip being engaged in the rack is brought in tightening position.
A preferred embodiment of the invention consists in that the rack is slidably secured in longitudinal direction between a base plate and a cover plate, whereby the gear that is mounted on a king pin between the base plate and the cover plate and is slidable in axial direction is adapted to be engaged in an opening in the cover plate corresponding to said gear.
Between the base plate and the gear a spring is preferably provided, fixing the gear in an opening of the cover plate. This spring is, according to the invention, simply designed as a flat spring slipped on the king pin.
A preferred embodiment of the invention consists in that the rack is developed as a slightly arched plate, fitting in a corresponding recess of the cover plate, whereby the teeth of the rack are provided on the edge of a recess in said rack. Such a fastener cannot exert any pressure on the foot of the wearer, the tension exerted, when the fastener is tightened, running parallel to the arch of the instep.
At its end projecting from the cover plate the rack preferably has several bores in which a pivot pin of the clip is adapted to be engaged. This already enables a rough adjustment of the span width, as the clip with its pin can be set in the hole required in each case. The final tension is effected by turning the gear which moves the rack together with the clip secured to it and which ensures, corresponding to the distance of the teeth between the rack and the gear, an almost uninterrupted continuity of adjusting possibilities.
The invention is hereinafter described with reference to the accompanying drawings without however being limited to this possible embodiment. Neither should the reference numbers of the enclosed claims imply any restrictions; they are only meant to facilitate location of the parts referred to in the Figures of the drawings.
FIG. I shows a complete fastener according to the invention in closed condition on the boot,
FIG. 2 is a plan view of such a fastener,
FIGS. 3 and 4 are sectional views according to lines III-IV of FIG. 2 and FIG. 5 illustrates the tightening device of the fastener disassembled in its individual parts.
FIG. I shows a boot having a gap C between both side parts A B and the tongue of the boot being arranged behind said gap.
On each of the side parts the tightening element 1 or the clip 4 to be engaged in said tightening element is fixed by riveting or any other known method. The tightening element I according to the invention consists of a base plate 5 and a cover plate 6 disposed above said base plate, a rack being slidably provided in longitudinal direction between them. The base plate 5 and the cover plate 6, resp. are provided with recesses 10 and I5, together forming a guide for the rack 2.
In the rack 2 a slotted recess II is provided in which a row of teeth is secured at one side, mating with a gear 3, said gear being mounted on a king pin 7. This king pin 7 is slidably mounted between the base plate 5 and the cover plate 6 in such manner that said king pin engages, if lifted, in an opening 8 exactly corresponding to the gear 3; if, however, said king pin is pressed downward, it is freely movable with its gear 3, under the cover plate 6, whereby it shifts the rack 2 mating with it in longitudinal direction.
On its end projecting from the housing the rack 2 is provided with bores I2 which are adapted to engage a pivot pin I3 of the clip 4. In order to keep the gear 3, when inoperative, in upper position, that is to say, engaged in the opening 8, a slightly arched flat spring 9 is provided in the recess I0 of the base plate 5, adjacent to the gear 3 with the top part of the spring 9 pressing against the base of the gear 3. To turn the king pin 7 and the gear 3, a lever I4 is provided on the top end of the king pin. The lever I4 consists of a pair of tongues that may be turned down (see FIG. 3) when not in use so as to reduce inconvenient protrusions from the fastener.
The function of the fastener according to the invention is very simple to that there will hardly occur any trouble. When the king pin 7 is pushed out of the engaging opening 8 in the cover plate 6 against the effect of the spring 9 by pressing down the lever I4, said king pin can be turned so that it moves the rack 2 and tightens the clip 4, previously fastened in the bores I2 with its pin I3.
When the pressure decreases, the rack 2 with its gear 3 returns to the initial position, the gear 3 snapping into the engaging opening 8 in the cover plate 6. It is evident that it is up to the wearer to choose the tension he wants by turning more or less tightly the king pin 7.
When a tight fit of the boot is necessary, e.g. during skiing, the wearer can increase the tension, whereas he can loosen the tension accordingly when walking or going uphill with the ski on the boot. This has not been possible up to now with any known tightening fastener and represents an essential advantage in addition to the above cited advantages of the fastener according to the invention.
It is obvious that the described embodiment of the invention may be modified in several respects without the fundamental thought of the invention having to be abandoned. A transmission gearing consisting of several gears could for example be used as well in order to make fastening even easier. All these alternatives should be covered by the scope of protection.
What I claim is:
I. A fastener for ski and mountaineering boots that provides for quick adjustment of the degree of tightening of the boot upon the foot of a wearer which comprises a rack and pinion gear, a base plate, a cover plate, recesses in said plates forming a guide in which said rack reciprocates, said gear being move- 2. The fastener of claim I. wherein said lever eompriaea a pair of tongue: that may be moved from a position perpendicular to the longitudinal axis ofaaid rack for rotation of said pin and gear to a position parallei to said axis for reducing protrusions on the fastener.
3. The fastener of claim I wherein the teeth ofsaid rack are arranged on one edge ofa slot in the rack through which said gear projects O Q O

Claims (3)

1. A fastener for ski and mountaineering boots that provides for quick adjustment of the degree of tightening of the boot upon the foot of a wearer which comprises a rack and pinion gear, a base plate, a cover plate, recesses in said plates forming a guide in which said rack reciprocates, said gear being moveable transverse to the longitudinal axis of said rack, an opening in said cover plate that mates with said gear, a leaf spring compressed between said base plate and said gear biasing said gear for projection into said opening in the cover plate, said gear being carried upon and rotatable with a king pin that is journaled at one end in said base plate, the other end of said king pin bearing a lever by which said pin and gear may be rotated for tightening or loosening of the boot to which the fastener is attached.
2. The fastener of claim 1, wherein said lever comprises a pair of tongues that may be moved from a position perpendicular to the longitudinal axis of said rack for rotation of said pin and gear to a position parallel to said axis for reducing protrusions on the fastener.
3. The fastener of claim 1 wherein the teeth of said rack are arranged on one edge of a slot in the rack through which said gear projects.
US73877A 1969-10-03 1970-09-21 Fastener particularly for ski or mountaineering boots Expired - Lifetime US3678539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT936169A AT296086B (en) 1969-10-03 1969-10-03 Closure, especially for ski or mountain boots

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US3678539A true US3678539A (en) 1972-07-25

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US73877A Expired - Lifetime US3678539A (en) 1969-10-03 1970-09-21 Fastener particularly for ski or mountaineering boots

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AT (1) AT296086B (en)
CH (1) CH513606A (en)
DE (1) DE2046161A1 (en)
FR (1) FR2068227A5 (en)

Cited By (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729779A (en) * 1971-06-07 1973-05-01 K Porth Ski boot buckle
WO1982003838A1 (en) * 1981-04-29 1982-11-11 Lindblad Lennart A locking device for a strap
DE3408124A1 (en) * 1983-04-11 1984-10-18 Skischuhfabrik Dynafit GmbH, Graz CLASP FOR SPORTSHOES, ESPECIALLY SKI SHOES OR MOUNTAIN SHOES
US4577420A (en) * 1983-05-30 1986-03-25 Salomon S.A. Ski boot
US5819378A (en) * 1997-11-03 1998-10-13 Doyle; Michael A. Buckle device with enhanced tension adjustment
US20030204938A1 (en) * 1997-08-22 2003-11-06 Hammerslag Gary R. Footwear lacing system
US20060156517A1 (en) * 1997-08-22 2006-07-20 Hammerslag Gary R Reel based closure system
US7950112B2 (en) 1997-08-22 2011-05-31 Boa Technology, Inc. Reel based closure system
US8277401B2 (en) 2006-09-12 2012-10-02 Boa Technology, Inc. Closure system for braces, protective wear and similar articles
US8381362B2 (en) 2004-10-29 2013-02-26 Boa Technology, Inc. Reel based closure system
US8424168B2 (en) 2008-01-18 2013-04-23 Boa Technology, Inc. Closure system
US8468657B2 (en) 2008-11-21 2013-06-25 Boa Technology, Inc. Reel based lacing system
US8516662B2 (en) 2010-04-30 2013-08-27 Boa Technology, Inc. Reel based lacing system
US8713820B2 (en) 2010-01-21 2014-05-06 Boa Technology, Inc. Guides for lacing systems
US9101181B2 (en) 2011-10-13 2015-08-11 Boa Technology Inc. Reel-based lacing system
US9149089B2 (en) 2010-07-01 2015-10-06 Boa Technology, Inc. Lace guide
US9179729B2 (en) 2012-03-13 2015-11-10 Boa Technology, Inc. Tightening systems
US9248040B2 (en) 2012-08-31 2016-02-02 Boa Technology Inc. Motorized tensioning system for medical braces and devices
USD751281S1 (en) 2014-08-12 2016-03-15 Boa Technology, Inc. Footwear tightening reels
USD758061S1 (en) 2014-09-08 2016-06-07 Boa Technology, Inc. Lace tightening device
US9375053B2 (en) 2012-03-15 2016-06-28 Boa Technology, Inc. Tightening mechanisms and applications including the same
US9439477B2 (en) 2013-01-28 2016-09-13 Boa Technology Inc. Lace fixation assembly and system
USD767269S1 (en) 2014-08-26 2016-09-27 Boa Technology Inc. Footwear tightening reel
US9516923B2 (en) 2012-11-02 2016-12-13 Boa Technology Inc. Coupling members for closure devices and systems
US9532626B2 (en) 2013-04-01 2017-01-03 Boa Technology, Inc. Methods and devices for retrofitting footwear to include a reel based closure system
USD776421S1 (en) 2015-01-16 2017-01-17 Boa Technology, Inc. In-footwear lace tightening reel
US9610185B2 (en) 2013-03-05 2017-04-04 Boa Technology Inc. Systems, methods, and devices for automatic closure of medical devices
US9629417B2 (en) 2013-07-02 2017-04-25 Boa Technology Inc. Tension limiting mechanisms for closure devices and methods therefor
US9681705B2 (en) 2013-09-13 2017-06-20 Boa Technology Inc. Failure compensating lace tension devices and methods
US9700101B2 (en) 2013-09-05 2017-07-11 Boa Technology Inc. Guides and components for closure systems and methods therefor
US9706814B2 (en) 2013-07-10 2017-07-18 Boa Technology Inc. Closure devices including incremental release mechanisms and methods therefor
US9737115B2 (en) 2012-11-06 2017-08-22 Boa Technology Inc. Devices and methods for adjusting the fit of footwear
US9770070B2 (en) 2013-06-05 2017-09-26 Boa Technology Inc. Integrated closure device components and methods
US9872790B2 (en) 2013-11-18 2018-01-23 Boa Technology Inc. Methods and devices for providing automatic closure of prosthetics and orthotics
US9918865B2 (en) 2010-07-01 2018-03-20 3M Innovative Properties Company Braces using lacing systems
US10070695B2 (en) 2010-04-30 2018-09-11 Boa Technology Inc. Tightening mechanisms and applications including the same
US10076160B2 (en) 2013-06-05 2018-09-18 Boa Technology Inc. Integrated closure device components and methods
USD835898S1 (en) 2015-01-16 2018-12-18 Boa Technology Inc. Footwear lace tightening reel stabilizer
USD835976S1 (en) 2014-01-16 2018-12-18 Boa Technology Inc. Coupling member
US10182935B2 (en) 2014-10-01 2019-01-22 Ossur Hf Support for articles and methods for using the same
US10251451B2 (en) 2013-03-05 2019-04-09 Boa Technology Inc. Closure devices including incremental release mechanisms and methods therefor
US10492568B2 (en) 2014-08-28 2019-12-03 Boa Technology Inc. Devices and methods for tensioning apparel and other items
US10499709B2 (en) 2016-08-02 2019-12-10 Boa Technology Inc. Tension member guides of a lacing system
US10543630B2 (en) 2017-02-27 2020-01-28 Boa Technology Inc. Reel based closure system employing a friction based tension mechanism
US10575591B2 (en) 2014-10-07 2020-03-03 Boa Technology Inc. Devices, methods, and systems for remote control of a motorized closure system
US10702409B2 (en) 2013-02-05 2020-07-07 Boa Technology Inc. Closure devices for medical devices and methods
US10772384B2 (en) 2017-07-18 2020-09-15 Boa Technology Inc. System and methods for minimizing dynamic lace movement
US10791798B2 (en) 2015-10-15 2020-10-06 Boa Technology Inc. Lacing configurations for footwear
US10842230B2 (en) 2016-12-09 2020-11-24 Boa Technology Inc. Reel based closure system
US11357279B2 (en) 2017-05-09 2022-06-14 Boa Technology Inc. Closure components for a helmet layer and methods for installing same
US11492228B2 (en) 2019-05-01 2022-11-08 Boa Technology Inc. Reel based closure system
US12256803B2 (en) 2020-01-31 2025-03-25 Boa Technology Inc. Reel based closure devices for tightening a ski boot

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
IT1153500B (en) * 1982-05-03 1987-01-14 Carlo Valsecchi ADJUSTMENT AND CLOSURE DEVICE PARTICULARLY FOR SKI SHOES
FR2546993B1 (en) * 1983-05-31 1985-08-30 Salomon & Fils F DEVICE FOR PROGRESSIVE ADJUSTMENT OF THE RELATIVE POSITION OF TWO ELEMENTS

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US83087A (en) * 1868-10-13 Improved hames-fastener
US310428A (en) * 1885-01-06 Ernst philipp hinkel
US357287A (en) * 1887-02-08 Fastening for gloves or shoes
US3182366A (en) * 1962-12-13 1965-05-11 Rieker & Co Fasteners for ski boots
US3214809A (en) * 1963-12-20 1965-11-02 Kedman Company Length adjustment mechanism
CH456396A (en) * 1966-01-20 1968-07-31 Baso Loris Buckle closure for shoes, in particular ski and mountain boots

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US83087A (en) * 1868-10-13 Improved hames-fastener
US310428A (en) * 1885-01-06 Ernst philipp hinkel
US357287A (en) * 1887-02-08 Fastening for gloves or shoes
US3182366A (en) * 1962-12-13 1965-05-11 Rieker & Co Fasteners for ski boots
US3214809A (en) * 1963-12-20 1965-11-02 Kedman Company Length adjustment mechanism
CH456396A (en) * 1966-01-20 1968-07-31 Baso Loris Buckle closure for shoes, in particular ski and mountain boots

Cited By (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729779A (en) * 1971-06-07 1973-05-01 K Porth Ski boot buckle
WO1982003838A1 (en) * 1981-04-29 1982-11-11 Lindblad Lennart A locking device for a strap
DE3408124A1 (en) * 1983-04-11 1984-10-18 Skischuhfabrik Dynafit GmbH, Graz CLASP FOR SPORTSHOES, ESPECIALLY SKI SHOES OR MOUNTAIN SHOES
US4546521A (en) * 1983-04-11 1985-10-15 Skischuhfabrik Dynafit Gesellschaft M.B.H. Fastener for sports shoes
US4577420A (en) * 1983-05-30 1986-03-25 Salomon S.A. Ski boot
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Also Published As

Publication number Publication date
FR2068227A5 (en) 1971-08-20
DE2046161A1 (en) 1971-04-08
AT296086B (en) 1972-01-25
CH513606A (en) 1971-10-15

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