US3401437A - Hose clamp - Google Patents

Hose clamp Download PDF

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Publication number
US3401437A
US3401437A US637559A US63755967A US3401437A US 3401437 A US3401437 A US 3401437A US 637559 A US637559 A US 637559A US 63755967 A US63755967 A US 63755967A US 3401437 A US3401437 A US 3401437A
Authority
US
United States
Prior art keywords
band
teeth
scroll
cam
clamp
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
Application number
US637559A
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English (en)
Inventor
Clarence E Christophersen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eaton Aeroquip LLC
Original Assignee
Aeroquip Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aeroquip Corp filed Critical Aeroquip Corp
Priority to US637559A priority Critical patent/US3401437A/en
Priority to DE19681750190 priority patent/DE1750190A1/de
Application granted granted Critical
Publication of US3401437A publication Critical patent/US3401437A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/02—Hose-clips
    • F16L33/08—Hose-clips in which a worm coacts with a part of the hose-encircling member that is toothed like a worm-wheel
    • F16L33/085—Hose-clips in which a worm coacts with a part of the hose-encircling member that is toothed like a worm-wheel with a scroll-type screw
    • 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
    • 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

Definitions

  • ABSTRACT 0F THE DISCLOSURE A clamp of the circumferential type, such as commonly used with hose and exible pipe, consisting of a exible band having teeth formed therein, and scroll drive means mounted upon the band in engagement with the teeth to provide circumferential adjustment of the clamp.
  • a flexible band or strap having teeth formed thereon includes a scroll type cam mounted adjacent one end of the band which engages teeth defined adjacent the other end of the band. The end of the band in engagement with the scroll passes between the scroll and the other band end wherein the band is maintained and adjusted in an annular configuration.
  • the clamp of the invention utilizes a scroll or spiral cam to circumferentially adjust the band or strap, to obtain the advantages of this type of drive, while overcoming the disadvantages of prior scroll driven clamps as described above.
  • the scroll and its support are of a concise configuration which results in a clamp of only slight radial projection beyond the shape ⁇ of the ⁇ article being clamped.
  • the scroll includes means to be engaged by a tool, usually a screwdriver, which is so located that the force imposed on the scroll by the tool, to maintain engagement therebetween, is in a substantially radial direction with respect to the clamp configuration and hose or pipe being clamped.
  • a tool usually a screwdriver, which is so located that the force imposed on the scroll by the tool, to maintain engagement therebetween, is in a substantially radial direction with respect to the clamp configuration and hose or pipe being clamped.
  • the tool does not tend to rotate the clamp about 3,401,437 Patented Sept. 17, 1968 the hose during tighteninghas with worm drive hose clamps and the scroll permits a high mechanical advantage to be produced which results in effective clamping forces.
  • the clamp of the invention provides a more effective scroll-band teeth relationship than prior devices in that the scroll is related to the configuration of the band portion upon which the teeth are formed such that the circumferential forces produced in the clamp tend to keep the scroll and teeth engaged and, in fact, increase the effectiveness of the engagement of the scroll and teeth, rather than permitting these forces to tend to disengage the band teeth from the scroll.
  • This advantage of the invention is accomplished by engaging the band teeth with the outer edge of the scroll cam and tilting the scroll such that the reaction forces imposed on the scroll by the band teeth tend to pivot the scroll into engagement with the teeth and toward the band. Additionally, the scroll tends to push the clamp band in the band takeup or tensioning direction, rather than pull, and the push force includes vectors disposed toward the band teeth, rather than away from the teeth.
  • An additional feature of the invention lies in the Shape of the scroll cam wherein at least two portions of the scroll cam will always be in engagement with two band teeth. This arrangement prevents excessive forces being produced at any single band tooth, such as would cause deformation or galling.
  • the band teeth are of a concave arcuate configuration as to correspond as closely as possible to the shape of the scroll cam. However, the teeth are asymmetric with respect to the width of the band portion on which they are formed.
  • the band teeth are offset with respect to the longitudinal center of the associated band a sufficient distance to compensate for lateral or tangential frictional forces occurring between the scroll and the teeth engaged thereby during tightening of the clamp. Thus, the direction of the static force between engaged band teeth and scroll may be to the left of the band longitudinal axis.
  • the frictional engagement between the teeth 4and scroll causes a force on teeth tangential to the scroll cam and to the right of the band axis.
  • the configuration of the band teeth, and their relationship to the band axis, is predetermined such that the resultant kinetic force on the teeth and band during tensioning of the clamp is substantially parallel to the band axis.
  • cocking of the band during tightening is prevented as no lateral shifting of the band occurs.
  • the band is able to readily pass under the scroll and through the scroll support in the direction of its axis and will lie fiat on the article clamped such that effective clamping is assured.
  • FIG. l is an elevational view of a circumferential clamp in accord with the invention.
  • FIG. 2 is a plan view of the clamp of FIG. l
  • FIG. 3 is a detail, elevational view of the clampI of FIG. l, as taken along section III-III thereof,
  • FIG. 4 is an underside view of the retainer and inner end of the clamp as taken along section IV-IV of FIG. 1,
  • FIG. 5 is an enlarged, detail, diametrical, sectional, elevational view of the retainer, scroll body member, scroll projection, and band, as taken along section V-V of FIG. 2,
  • FIG. 6 is an enlarged bottom view of the scoll body member, illustrating the configuration of the scroll projection or cam
  • FIG. 7 is an enlarged sectional view of the band, teeth and scroll as taken along section VII-VII of FIG. 5, and
  • FIG. 8 is a diagrammatical, sectional, elevational view of the scroll and the band teeth.
  • the circumferential clamp illustrated includes a fiexible ⁇ band or strap 10 which is normally formed of steel.
  • the band is fiexible enough to permit radial contracting of the circle defined by the band during tensioning without producing undue resistance.
  • the band includes an inner end portion 12 and an outer end portion 14.
  • the outer end portion 14 is provided with a plurality of teeth 16 which :are spaced in the longitudinal direction of the band and define a track thereon.
  • the teeth 16 do not define a track extending the entire length of the band, i.e., the circumference thereof. However, the teeth may exist over the length of the band, if desired.
  • the teeth 16 are formed by a lancing operation from the metal of the strap and are defiected from the configu-ration of the strap in the direction of the strap outersurface 18 'to define edges 20.
  • the teeth are evenly spaced and, as will be apparent from FIGS. 2, 3 and 7 are offset with respect to the Width of the band as will be described later in greater detail. It is desired that the teeth be of an arcuate configuration substantially corresponding to the maximum radial configuration of the scroll cam or projection with which they engage, as will later be apparent.
  • teeth 16 are shown as formed by a lancing operation, it will be appreciated that suitable teeth can be formed by coining or similar well-known manufacturing processes. It would also be possible to practice the concept ofthe invention by forming the teeth as a plurality of evenly spaced holes defined in the band, as is often ernployed with conventional worm drive hose clamps.
  • a scroll support or retainer 22 of a stamped steel construction is afiixed to the band adjacent the inner end 12.
  • the retainer includes an inverted cup-shaped portion defied by a base portion 24 and a substantially cylindrical wall 26, the inner surface 28 of which forms a bearing surface for the scoll body member containing the scroll cam.
  • a cylindrical opening 30 is defined in the portion 24 concentric with the cylindrical wall 26.
  • a pair of tabs 32 are formed on the retainer 22 located at substantially diametrical positions, whereby the tabs may project parallel to the wall 26 and then be bent under the band inner end 12, FIG. 4.
  • the ends of the tabs 32 are provided with elongated portions 34 which include shoulders 36.
  • the ends of the elongated portions 34 are received within recesses 38 defined in the band inner end through openings or slots 40 defined in the band, las will be apparent from FIG. 5.
  • the axial width of the right slot 40, FIG. 4 is such that the shoulders 36 will engage the band adjacent the slot and, thus, prevent movement of the retainer in the axial direction of the band to the right as viewed in FIGS. 1, 4 and 5 during tensioning of the band. Therefore, it is appreciated that the retainer 22 is firmly afiixed to the band inner end in an economicalmanner requiring no extra components.
  • the retainer cupshaped portion defined by base 24 and walls 26 is obliquely related to the circular configuration defined by the band 10 and this oblique relationship is such that the portion of the Wall 26 disposed in the direction of band movement during take-up or tensioning, i.e., toward the left, FIG. 5, is closest to the center of the circle defined by the band 10.
  • a generally cylindrical scroll body member 44 is re tained and rotatably supported within the retainer 22 on lbearing surfaces disposed adjacent the body member periphery, as is apparent from FIG. 5.
  • the body member 44 includes a cylindrical surface 46 which is adapted to rotatably cooperate with the retainer inner surface 28, whereby the member 44 will be rotatably located in the body member in the desired angular relationship to the clamp components.
  • a tab 42 extends from wall 26 and is bent under member 44 to maintain member 44 in the oblique relationship of the retainer and up against base 24.
  • the body member 44 includes a cylindrical boss 48 which extends through the retainer opening 30 and includes Ia screwdriver-receiving slot 50.
  • the slot 50 is of such depth that the edge of the opening 30 will serve as a guide to maintain a screwdriver within the slot during operation of the clamp.
  • the surface 52 of the body member 44 disposed toward the band inner end 12 is formed with a spiral scroll cam or projection 54, the configuration of which will be appreciated from FIGS. 5 and 6.
  • the central portion of the lower surface 52 of the body member is open and the scroll cam does not extend to the center of the body member.
  • the scroll cam is of such configuration that approximately 2% turns are provided.
  • the surface 52 is beveled at 56 with respect -to the axis of rotation of the tbody member whereby the depth of the scroll cam will remain substantially constant and, yet, the most desirable relationship between the .scroll projection and the band teeth can be maintained.
  • the tab 42 is closely related to the scroll projection to hold the member 44 in the retainer, yet does not interfere with the rotation of the scroll member 44.
  • the forces being transmitted between the scroll cam and the teeth 16 are divided between ⁇ several teeth, always at least two, minimizing any tendency to over-stress or gall a band tooth.
  • the circumferential clamp will be of a diameter larger than the hose, pipe, or other cylindrical article to be clamped and, therefore, may be slipped over the end of the article to be clamped.
  • the clamp may be fully opened wherein the teeth 16 are yremoved from engagement with the scroll cam and the band opened up to encompass the article and thereupon the :band outer end 14 may be reinserted ⁇ between the body member 44 and the band inner end 12 until the band teeth engage the scroll cam 54.
  • the outer surfaces of the scroll cam 54 will mesh with and engage the teeth 16 and push the band outer end 14 to the left, FIG. 5.
  • the portion 58 of the Iband inner end 12 1between the slots 40 forms a back-up portion for the outer end of the band and, thus, maintains the band teeth in a position to be engaged by the scroll cam.
  • the configuration of the scroll cam 54 provides a high mechanical advantage between the rotation of the body member 44 and the rate of translation of the band outer end 14, thus permitting a high degree of tensioning -of the band 10.
  • FIG. 7 the longitudinal axis of the band portion 14 is represented at 62 and the off-set relationship of the teeth 16 relative to the axis 62 will be readily appreciated.
  • the centers of the circular segments forming teeth 16 are displaced slightly ⁇ with respect to -axis 62 and the center of the teeth occur on line 64 which is displaced from axis 62 in the direction of the main configuration of the teeth.
  • the distance separating lines 62 and 64 is .O15 inch.
  • the engagement between the scroll cam and the teeth will occur at a limited area of the cam and teeth to substantially produce point contact between the cam and teeth, except when the maximum radius of the cam is engaging a tooth.
  • the shape of the teeth 16 and the placement of the teeth on the 4band portion 14 the contact between the cam scroll and teeth will occur along line 66, where the center of the scroll cam 54 is represented at 68.
  • Rotation of the sc-roll body 44 is in a clockwise, or band tension direction, will produce a lateral force on the band portion 14 in the direction of the iarrow 70 due to the friction existing between scroll cam 54 and the engaged teeth 16 as the cam is wiped across the teeth.
  • the existence of the frictional forces in the direction of arrow 70 would cause the band portion 14 to be shifted intoengagement with the upper tab 32, FIG. 7, which would produce a very objectionable resistance to tightening of the clamp, as well as possibly cause the band to cock on the article being clamped and not lie fiat thereon.
  • FIG. 8 a diagramatic representation of the band portion 14 and the scroll body 44 is presented to illustrate the advantage of inclining the body 44 in the direction of band movement during tensioning, and using the outside surface of the scroll cam to push, rather than pull against the band teeth 16.
  • the use of the scroll projection drive permits the body member 44 and the retainer 22 to be of a very concise configuration and the radial dimension of the band tensioning -means is considerably less than the radial dimension of the more conventional worm drive tensioning means.
  • An additional advantage arising from the use of the scroll drive as utilized in the illustrated arrangement lies in the fact that when using a screwdriver to rotate the body member 44, the force exerted on the screwdriver to maintain the engagement with the slot 50 does not tend to cause the clamp to slip around the article being clamped, as with a conventional worm drive-type hose clamp. With the invention, the force applied to the screwdriver to maintain engagement with the slot 50 is substantially radial and, thus, there is no tendency for the clamp to be pushed around the hose during tightening.
  • the boss V48 could extend far enough from the retainer portion 24 to permit a wrench to be applied thereto upon the provision of flats or a hexagonal configuration on the boss.
  • a circumferential clamp comprising, in combination, an elongated fiexible tension member adapted to circumscribe the article to be clamped, said tension member including first and second spaced portions, said second portion having a longitudinally extending central axis, a plurality of teeth defined on said tension member second portion evenly spaced in the longitudinal direction thereof and asymmetrically related to said longitudinal axis, a retainer fixed relative to said tension member first portion and overlying said member second portion and teeth, a scroll body member rotatably supported and retained in said retainer, means defined on said body member for rotating said body member, a scroll cam defined on said body member having an axis coincident with the axis of rotation thereof, said scroll cam engaging at least one of said teeth whereby rotation of said body member and cam translates said second portion in a tensioning direction, said teethbeing soV disposed on said second portion such that the radial force on the engaged tooth resulting from engagement with the scroll cam is laterally and obliquely disposed of said second portion longitudinal axis on the

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Electric Cable Installation (AREA)
US637559A 1967-05-10 1967-05-10 Hose clamp Expired - Lifetime US3401437A (en)

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Application Number Priority Date Filing Date Title
US637559A US3401437A (en) 1967-05-10 1967-05-10 Hose clamp
DE19681750190 DE1750190A1 (de) 1967-05-10 1968-04-05 Schlauchklemme

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US637559A US3401437A (en) 1967-05-10 1967-05-10 Hose clamp

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Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267622A (en) * 1979-08-06 1981-05-19 Burnett Johnston Roy L Hose clip apparatus
US4307495A (en) * 1980-03-31 1981-12-29 Charlton Sadler Hose clamp
US20030204938A1 (en) * 1997-08-22 2003-11-06 Hammerslag Gary R. Footwear lacing system
US20080066345A1 (en) * 1997-08-22 2008-03-20 Hammerslag Gary R Reel based closure system
US20090125102A1 (en) * 2002-08-29 2009-05-14 Mitralsolutions, Inc. Implantable devices for controlling the internal circumference of an anatomic orifice or lumen
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
USD835976S1 (en) 2014-01-16 2018-12-18 Boa Technology Inc. Coupling member
USD835898S1 (en) 2015-01-16 2018-12-18 Boa Technology Inc. Footwear lace tightening reel stabilizer
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

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EP0024452B1 (de) * 1979-08-15 1985-02-13 Roy Lawrence Burnett-Johnston Schellen, insbesondere für Schläuche
DE102018110531B4 (de) * 2018-05-02 2019-12-24 Norma Germany Gmbh Schlauchschelle

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US2571659A (en) * 1942-05-22 1951-10-16 Bergstrom Knut Edwin Clamp
US2907086A (en) * 1957-02-25 1959-10-06 Lewis R Ord Hose clamp
FR1379782A (fr) * 1963-10-18 1964-11-27 Glaenzer Spicer Sa Collier de serrage pour raccordement de pièces cylindriques ou autres
US3276090A (en) * 1963-07-15 1966-10-04 Nigon Georges Louis Hose clips

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US2571659A (en) * 1942-05-22 1951-10-16 Bergstrom Knut Edwin Clamp
US2907086A (en) * 1957-02-25 1959-10-06 Lewis R Ord Hose clamp
US3276090A (en) * 1963-07-15 1966-10-04 Nigon Georges Louis Hose clips
FR1379782A (fr) * 1963-10-18 1964-11-27 Glaenzer Spicer Sa Collier de serrage pour raccordement de pièces cylindriques ou autres

Cited By (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267622A (en) * 1979-08-06 1981-05-19 Burnett Johnston Roy L Hose clip apparatus
US4307495A (en) * 1980-03-31 1981-12-29 Charlton Sadler Hose clamp
US7954204B2 (en) 1997-08-22 2011-06-07 Boa Technology, Inc. Reel based closure system
US20030204938A1 (en) * 1997-08-22 2003-11-06 Hammerslag Gary R. Footwear lacing system
US9743714B2 (en) 1997-08-22 2017-08-29 Boa Technology Inc. Reel based closure system
US7591050B2 (en) 1997-08-22 2009-09-22 Boa Technology, Inc. Footwear lacing system
US7950112B2 (en) 1997-08-22 2011-05-31 Boa Technology, Inc. Reel based closure system
US9339082B2 (en) 1997-08-22 2016-05-17 Boa Technology, Inc. Reel based closure system
US7992261B2 (en) 1997-08-22 2011-08-09 Boa Technology, Inc. Reel based closure system
US8091182B2 (en) 1997-08-22 2012-01-10 Boa Technology, Inc. Reel based closure system
US20080066345A1 (en) * 1997-08-22 2008-03-20 Hammerslag Gary R Reel based closure system
US10362836B2 (en) 1997-08-22 2019-07-30 Boa Technology Inc. Reel based closure system
US8945210B2 (en) * 2002-08-29 2015-02-03 StJude Medical, Cardiology Division, Inc. Implantable devices for controlling the internal circumference of an anatomic orifice or lumen
US20090125102A1 (en) * 2002-08-29 2009-05-14 Mitralsolutions, Inc. Implantable devices for controlling the internal circumference of an anatomic orifice or lumen
US9867430B2 (en) 2003-06-12 2018-01-16 Boa Technology Inc. Reel based closure system
US10849390B2 (en) 2003-06-12 2020-12-01 Boa Technology Inc. Reel based closure system
US8381362B2 (en) 2004-10-29 2013-02-26 Boa Technology, Inc. Reel based closure system
US10952505B2 (en) 2004-10-29 2021-03-23 Boa Technology Inc. Reel based closure system
US11877943B2 (en) 2006-09-12 2024-01-23 Boa Technology, Inc. Closure system for braces, protective wear and similar articles
US8277401B2 (en) 2006-09-12 2012-10-02 Boa Technology, Inc. Closure system for braces, protective wear and similar articles
US10433999B2 (en) 2006-09-12 2019-10-08 Boa Technology, Inc. Closure system for braces, protective wear and similar articles
US8984719B2 (en) 2008-01-18 2015-03-24 Boa Technology, Inc. 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
US10863796B2 (en) 2008-11-21 2020-12-15 Boa Technology, Inc. Reel based lacing system
US10123589B2 (en) 2008-11-21 2018-11-13 Boa Technology, Inc. Reel based lacing system
US8713820B2 (en) 2010-01-21 2014-05-06 Boa Technology, Inc. Guides for lacing systems
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