WO2012121631A1 - Frein à friction de treuil, procédé et outil de treuil - Google Patents

Frein à friction de treuil, procédé et outil de treuil Download PDF

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Publication number
WO2012121631A1
WO2012121631A1 PCT/SE2011/050249 SE2011050249W WO2012121631A1 WO 2012121631 A1 WO2012121631 A1 WO 2012121631A1 SE 2011050249 W SE2011050249 W SE 2011050249W WO 2012121631 A1 WO2012121631 A1 WO 2012121631A1
Authority
WO
WIPO (PCT)
Prior art keywords
winch
friction brake
brake assembly
cutting wire
operating means
Prior art date
Application number
PCT/SE2011/050249
Other languages
English (en)
Inventor
Rolf Ericson
Original Assignee
Ramhuset Patent Ab
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 Ramhuset Patent Ab filed Critical Ramhuset Patent Ab
Priority to PCT/SE2011/050249 priority Critical patent/WO2012121631A1/fr
Publication of WO2012121631A1 publication Critical patent/WO2012121631A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B27/00—Hand cutting tools not provided for in the preceding groups, e.g. finger rings for cutting string, devices for cutting by means of wires
    • B26B27/002—Tools using wires as cutting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/547—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting

Definitions

  • the present invention generally concerns winches and more specifically relates to the type of wire winding winch tools that are frequently used for cutting out adhesively bonded window elements from vehicles.
  • window removal methods and techniques for effectively loosening or removing the adhesive bond.
  • one such technique involves the use of a cutting wire that is introduced through the window bonding adhesive, from one side of the window element to the opposite side thereof.
  • a cutting wire was basically pulled back and forth to produce a kind of sawing action to cut through the bond.
  • a hand manipulated heated knife-like tool was used to successively penetrate and loosen the adhesive bond between the window element and the body.
  • a general object of the present invention is to provide a solution to the described problems.
  • the invention generally relates to the removal of window elements from vehicles by cutting through adhesive bonding the window element to the vehicle by means of a cutting wire.
  • Separate winches of one or several winch tools are alternatingly operated for tensioning and winding the cutting wire to cut through the adhesive around the window element.
  • Winch rotation in a winch unwinding direction opposite a winch winding direction is blocked by a ratchet mechanism of the winches.
  • the tensioning of the cutting wire that is caused by the operation of one winch is adjusted. This adjustment is provided by temporarily deactivating a ratchet mechanism of an associated non-operated winch and by functionally replacing this ratchet mechanism by a friction brake assembly resisting rotation of the non-operated winch in the unwinding direction.
  • the invention generally relates to a winch tool having at least one winch for tensioning and winding a cutting wire when operated, whereby the cutting wire is tensioned and wound to cut through adhesive bonding a window element to a vehicle.
  • the winch or each winch has a ratchet mechanism for blocking rotation thereof in a winch unwinding direction opposite a winch winding direction and has a cutting wire spool fixed to a winch operating means.
  • the or each winch of the winch tool has a friction brake assembly that fits onto the winch operating means. In the fitted condition the friction brake assembly deactivates the winch ratchet mechanism and it includes a brake pad that in the fitted condition frictionally engages the winch operating means resisting rotation thereof and thereby resisting unwinding of cutting wire from the associated wire spool.
  • the invention in yet another aspect relates to a friction brake assembly for a winch for use in removing vehicle window elements and having winch operating means and a ratchet mechanism blocking rotation thereof and of an associated cutting wire spool in a winch unwinding direction being opposite to a winch winding direction.
  • the friction brake assembly has a brake pad for fitting onto and substantially fully encircling the winch operating means and a ratchet release member for engaging and deactivating a winch ratchet mechanism when the brake pad is fitted onto the winch operating means.
  • FIG. 1 is an illustration of a known method of removing adhesively secured vehicle glazing
  • Fig. 2 is a top plan view of a winch tool according to a first embodiment of the invention
  • Fig. 3 is a side view of the winch tool of Fig. 2;
  • Fig. 4 is a plan view from above of a friction brake assembly as incorporated in the winch tool of Figs. 1 and 2;
  • Fig. 5 is a side view of the friction brake assembly of Fig. 4;
  • Fig. 6 is a plan view from the bottom side of an alternative embodiment of a friction brake assembly of the invention.
  • Fig. 7 is a plan view from above of a double winch tool according to a second, alternative embodiment of the invention.
  • FIG. 2 A first winch tool embodiment (Figs. 2 and 3) relates to an application of the inventive solution to a single winch tool of the known type used in pairs for removing stationary or fixed vehicle window elements.
  • inventive solution may be used for other specific applications requiring special additional features that are appropriate for such applications, such as different winch tool types, including winch tools supporting more than one separate winch (Fig. 7). It shall thus be realized that the invention likewise covers the incorporation of such specific application related features and any appropriate combination of features disclosed and described herein.
  • FIG. 1 is shown an example of a prior art cutting wire winch tool 4, 5, here of the single winch type, that was generally discussed in the introduction and to which the invention may be applied.
  • winch tools 4, 5 are used in pairs and each consist of one winch 6, 7 that is used for tensioning and winding a cutting wire 3 when operated.
  • Each of the tools 4, 5 includes two suction cups 4A, 5 A with which it is secured to a window element 2.
  • the two suction cups of each tool are interconnected by a rod-like handle 4B, 5B and are of a general design that is commonly used within this field and the operation of which need therefore not be described.
  • the cutting wire 3 is tensioned by operating the winch 6, 7 of one of the tools 4 or 5, such as by means of a wrench-like handle 14 (indicated in Fig. 1).
  • the handle engages a winch operating means 8, 9, such as common socket that is provided at an upwardly facing side of the winch.
  • the cutting wire 3 is tensioned to cause it to cut through adhesive bonding a window element 2 to a vehicle 1 (very schematically indicated in Fig. 1).
  • As the wire is tensioned and cuts through the adhesive it is wound up on a cutting wire spool 12, 13 to which it is secured and that is functionally fixed to an associated winch operating means 8, 9.
  • a ratchet or stop mechanism 10, 11 is provided for each winch 6, 7 to positively block rotation of the winch and its cutting wire spool 12, 13 in a winch or wire unwinding direction L/R when the winch is no longer operated.
  • the ratchet mechanism 10, 11 will thus prevent uncontrolled unwinding of cutting wire 3 from the spool in a direction opposite a winch or wire winding direction R/L.
  • the ratchet mechanism has a release knob 10A, 11A that is operated to deactivate the ratchet mechanism and allow free rotation of the associated wire spool 12, 13.
  • this general type of winch tool especially when used by less experienced operators, may cause the development of such high wire tensioning that the wire 3 breaks.
  • winch tools 4, 5 of this type normally also requires quite frequent repositioning of the tools to obtain optimum cutting properties, such as cutting angles, during the entire cutting operation for removing a window element. Due to the high cutting wire tensioning such winch tool repositioning may easily result in sudden unwinding of cutting wire from the wire spool of one or both winch tools during repositioning thereof.
  • Figs. 2 and 3 an exemplary embodiment of the invention as applied to a winch tool 104 of the general single winch type disclosed in Fig. 1.
  • the winch tool 104 is generally shown having the single winch 6 for tensioning and winding a cutting wire when operated.
  • the general winch tool configuration in the embodiment of Figs. 2 and 3 may be essentially identical to that illustrated in Fig. 1 and thus the different common parts are designated by the same reference numbers. Parts being unique for the invention are in those drawing figures designated by reference numbers in a 100 series.
  • a central feature of this winch tool 104 is a friction brake assembly 120 (see especially Figs. 4 and 5) that is attached to the winch 6 operating means 8.
  • a friction brake assembly 120 may be permanently fitted to the winch operating means 8 of each of the winches used for removing a window or may preferably be removably fitted to a respective winch operating means 8 when required.
  • the friction brake assembly 120 includes a brake pad 121 that in the fitted condition of the friction brake assembly 120 frictionally engages an exterior of the winch operating means 8.
  • the brake pad 121 serves to frictionally resist unwinding rotation of the winch operating means 8 and of the associated cutting wire spool 12 that is caused by the tensioned cutting wire and thereby to resist unwinding of cutting wire from the wire spool 12. This factional engagement also serves to prevent overloading of the cutting wire 3 by adjustably reducing the tensioning of the cutting wire so that it will not break.
  • the brake pad 121 has a generally annular shape with a central aperture 131 A, 13 IB in which the winch operating means 8 will be received in fitted condition. In such fitted condition the brake pad 121 at least substantially fully encircles the winch operating means 8 of the winch 6.
  • the friction brake assembly 120 also includes adjustment means 128 that initially enable fitting of the brake pad 121 onto the winch operating means 8 by expanding the central aperture 131 A, 13 IB.
  • the adjustment means 128 allow adjustably controlling a friction force being applied thereby to an associated winch operating means 8 to resist rotation thereof and thereby of the winch 6 and the associated cutting wire spool 12 in an unwinding direction. The adjustment is performed in fitted condition by resiliently reducing the size of the central aperture in a way that will be exemplified further below.
  • the winch tool 104 friction brake assembly 120 includes a brake pad 121 having a partly annular shape for encircling, in the fitted condition, a major part of the winch operating means 8.
  • the brake pad 121 of this embodiment consists of two separate halves 121 A, 121B that in an assembled condition form the partly annular shape and two adjustable gaps 123 A, 123B between free ends of the pad 121 halves 121A, 121B.
  • the opposing ends 124, 126 and 125, 127 of the two halves 121 A, 121B are resiliency urged towards each other by said adjustment means 128.
  • the adjustment means 128 for adjustably controlling the applied friction force also serves to assemble the two brake pad halves 121A, 121B.
  • the two brake pad halves 121 A, 12 IB are interconnected by two setting bolts 129 each engaging two adjacent ends 124, 126 and 125, 127, respectively of the brake pad 121.
  • the adjustment means 128 consist of setting bolts 129 that each penetrate one of the ends 124, 125 of a first brake pad half 121 A having a semicircular shape.
  • the setting bolts 129 further threadably engage respective, adjacent ends 126, 127 of a second brake pad half 121B.
  • a biasing spring 130 is provided around each setting bolt shaft 129B, between a bolt head 129 A and the penetrated brake pad end 124, 125. It will be realized that unscrewing the setting bolts 129 will widen the central aperture 131 A, 13 IB thereby reducing the frictional force applied by the friction brake assembly 120. Correspondingly, tightening of the setting bolts 129 will reduce the width of the central aperture 131 A, 131B thereby resiliently increasing the frictional force applied by the friction brake assembly 120.
  • the friction brake assembly 120 in its fitted condition first causes deactivation of the winch ratchet mechanism 10.
  • the winch tool 104 friction brake assembly 120 includes a ratchet release member 122.
  • the ratchet release member 122 is fixed to and supported in an extended part 121C of said otherwise generally semi-circular second brake pad half 121B.
  • the ratchet release member 122 is extended downwardly from the brake pad 121, towards the ratchet mechanism 10 and its release knob 10A, as will be seen in Fig. 5.
  • the ratchet release knob 10A may be pulled out to deactivate the ratchet mechanism 10. It should now be clear that the described embodiment of the inventive friction brake assembly is intended for cooperation with a winch 6 having a ratchet mechanism 10 that may be selectively deactivated by manual operation of a deactivation knob 10A between ratchet blocking and releasing positions.
  • the friction brake assembly 120 is mounted or fitting of the friction brake assembly 120 to the winch 6 is performed with the central aperture 131 A, 13 IB expanded to fit on the winch operating means 8 and with the ratchet release member 122 side flanks 122B straddling a part of the pulled out ratchet release knob 10A (see also Fig. 6).
  • the ratchet release knob 10A is maintained in the pulled out position deactivating the ratchet mechanism 10.
  • the unwinding blocking function of the ratchet mechanism 10 is thus replaced by the adjustable frictional unwinding resisting function of the friction brake assembly 120.
  • the friction brake assembly is adapted to engage the deactivation knob 10A with its ratchet release member 122 to maintain the deactivation knob in the release position deactivating the winch ratchet mechanism.
  • a method of removing a window element 2 from a vehicle 1 will now be briefly described.
  • a cutting wire 3 is used to cut through an adhesive bonding the window element to the vehicle.
  • Separate winches 6, 7 of one or more winch tools 4, 5 are alternatingly operated for tensioning and winding the same cutting wire to cut through the adhesive around the window element.
  • the winches each have a ratchet mechanism 10, 11 for positively blocking winch rotation in a winch/wire unwinding direction being opposite to a winch/wire winding direction.
  • the tensioning of the cutting wire caused by the operation of one winch is adjusted by temporarily deactivating the ratchet mechanism of an associated non-operated winch and by functionally replacing the ratchet mechanism by a friction brake assembly 120 resisting rotation in the unwinding direction of the non-operated winch.
  • the friction bralce assembly 120 is releasably mounted or fitted directly onto a winch operating means 8 of a winch 6, thereby engaging and deactivating the winch ratchet mechanism 10 of said winch.
  • the resistance to rotation of this non-operated winch 6 and thereby of the tensioning of the cutting wire caused by rotation of the operated winch is adjustably controlled by resiliency adjusting the frictional force applied by the friction brake assembly 120.
  • the reduced and adjustable wire tensioning force also essentially facilitates winch tool repositioning, avoiding unintentional and sudden wire unwinding from winch spools.
  • Fig. 6 is illustrated an alternative embodiment of the friction brake assembly 220 of the invention.
  • the friction brake assembly 220 is likewise intended for cooperation with a common type of winch having the same ratchet mechanism that may be selectively deactivated by manual operation of a deactivation knob between ratchet blocking and releasing positions.
  • the friction brake assembly 220 has a brake pad 221 that is likewise adapted to be fitted onto a winch operating means with a resiliently expandable central aper- ture 231 thereof.
  • the brake pad with its central aperture 231 receiving the winch operating means fully encircles the operating means except for a small gap 223 formed between free ends 224, 225 of the unitary or single brake pad part 221.
  • Adjustment means is illustrated in this embodiment the friction brake assembly 220 of the invention.
  • the friction brake assembly 220 is likewise intended for cooperation with a common type of winch having the same ratchet mechanism that may be selectively deactivated by manual operation of a deactivation knob between ratchet
  • the adjustment means 228 are likewise provided for adjustably controlling the friction force being applied by the friction brake assembly 220 to an associated winch operating means to resist rotation in a winch unwinding direction.
  • the adjustment means 228 includes one setting bolt
  • the friction brake assembly has a corresponding ratchet release member 222 that is adapted to engage and deactivate a winch ratchet mechanism with the brake pad 221 fitted onto a winch operating means.
  • the ratchet release member 222 has a pin shape with a recess 222A and side flanks 222B at a lower end portion thereof, so that in the fitted condition it engages the deactivation knob to maintain it in the release position.
  • Fig. 7 schematically illustrates an alternative embodiment where the principles of the invention are applied to a double-winch type of winch tool 304.
  • a friction brake assembly 120 of the first embodiment may be mounted on each of the winches 6, 7 of the winch tool 304 or may be alternatingly fitted to the operating means 8, 9 of said winches during the different operational steps for removing a window element.
  • the invention may be applied to other types of winch tool configurations having other or supplementary means for securing the tool to a vehicle window or to a vehicle frame.
  • the invention is not limited to the suction cup type of tool fastener.
  • the winch operating means has only been exemplified as a common type of socket, it shall be emphasized that the invention covers the use thereof with different kinds of handle connectors, as long as they have a mainly rotationally symmetrical outermost wall surface for cooperation with the friction brake assembly brake pad.
  • the friction brake assembly may be designed in alternative ways, e.g. having a different number of brake pad sections than the ones illustrated. The same applies to the brake pad friction force adjustment means that may be differently designed while still performing the intended function.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

Dans un procédé visant à enlever un élément de vitrage d'un véhicule par la découpe d'un adhésif reliant l'élément de vitrage au véhicule, des treuils (6) d'au moins un outil de treuil (104) sont actionnés en alternance pour mettre en tension et enrouler un fil métallique de coupe, afin que celui-ci coupe l'adhésif autour de l'élément de vitrage, lesdits treuils comportant un mécanisme à cliquet (10) servant à bloquer la rotation du treuil dans une direction de déroulement du treuil, opposée à une direction d'enroulement; la mise en tension du fil de coupe provoquée par l'actionnement d'un treuil est réglée par la désactivation temporaire du mécanisme à cliquet d'un treuil associé qui n'est pas actionné, et par le remplacement fonctionnel dudit mécanisme à cliquet par un ensemble frein à friction (120), qui résiste à la rotation, dans la direction de déroulement, du treuil non actionné. L'invention concerne aussi un outil de treuil qui comporte au moins un treuil pour mettre en tension et enrouler un fil de coupe, ainsi qu'un frein à friction destiné à un tel ou de tels treuil(s).
PCT/SE2011/050249 2011-03-04 2011-03-04 Frein à friction de treuil, procédé et outil de treuil WO2012121631A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SE2011/050249 WO2012121631A1 (fr) 2011-03-04 2011-03-04 Frein à friction de treuil, procédé et outil de treuil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2011/050249 WO2012121631A1 (fr) 2011-03-04 2011-03-04 Frein à friction de treuil, procédé et outil de treuil

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WO2012121631A1 true WO2012121631A1 (fr) 2012-09-13

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PCT/SE2011/050249 WO2012121631A1 (fr) 2011-03-04 2011-03-04 Frein à friction de treuil, procédé et outil de treuil

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014091203A1 (fr) * 2012-12-11 2014-06-19 Belron Hungary Kft-Zug Branch Dispositif et procédé de retrait de panneau de vitrage
ITAN20130211A1 (it) * 2013-11-15 2015-05-16 Pietro Ubaldo Antonio Allegra Dispositivo manuale per il distacco dei vetri di autoveicoli a motore
WO2016089286A1 (fr) * 2014-12-02 2016-06-09 Ramhuset Patent Ab Procédé et dispositif de retrait de pare-brise de véhicule
TWI587983B (zh) * 2013-04-09 2017-06-21 Guo-Hua Lin Windshield installation and removal equipment
JP2017523935A (ja) * 2014-05-20 2017-08-24 ベルロン ハンガリー ケーエフティー − ツーク ブランチ グレージングパネル取外し装置

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Publication number Priority date Publication date Assignee Title
WO1986007017A1 (fr) * 1985-05-31 1986-12-04 Folksam Auto Ab Procede et appareil de demontage d'un pare-brise
JP2000289582A (ja) * 1999-04-12 2000-10-17 Big Tool Co Ltd 自動車用窓ガラスの取り外し方法及びこの方法で使用する装置及び治具
WO2004014678A2 (fr) * 2002-08-09 2004-02-19 Mobilglas 2000 Aps Dispositif et procede pour guider un outil suivant un trajet sur une surface
WO2004103748A1 (fr) * 2003-05-21 2004-12-02 Ramhuset Dala-Speglar Ab Procede et dispositif pour retirer les fenetres d'un vehicule
WO2006030212A1 (fr) * 2004-09-14 2006-03-23 Carglass Luxembourg Sarl - Zug Branch Procede et appareil de coupe d'un panneau de verre pour un vehicule
GB2465847A (en) * 2008-12-08 2010-06-09 Belron Hungary Kft Zug Branch Apparatus and method for the removal of a glazing panel from a vehicle window

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Publication number Priority date Publication date Assignee Title
WO1986007017A1 (fr) * 1985-05-31 1986-12-04 Folksam Auto Ab Procede et appareil de demontage d'un pare-brise
JP2000289582A (ja) * 1999-04-12 2000-10-17 Big Tool Co Ltd 自動車用窓ガラスの取り外し方法及びこの方法で使用する装置及び治具
WO2004014678A2 (fr) * 2002-08-09 2004-02-19 Mobilglas 2000 Aps Dispositif et procede pour guider un outil suivant un trajet sur une surface
WO2004103748A1 (fr) * 2003-05-21 2004-12-02 Ramhuset Dala-Speglar Ab Procede et dispositif pour retirer les fenetres d'un vehicule
WO2006030212A1 (fr) * 2004-09-14 2006-03-23 Carglass Luxembourg Sarl - Zug Branch Procede et appareil de coupe d'un panneau de verre pour un vehicule
GB2465847A (en) * 2008-12-08 2010-06-09 Belron Hungary Kft Zug Branch Apparatus and method for the removal of a glazing panel from a vehicle window

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Title
PATENT ABSTRACTS OF JAPAN *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2647426C2 (ru) * 2012-12-11 2018-03-15 Белрон Интернешнл Лимитед Устройство и способ для удаления панели остекления
GB2529548A (en) * 2012-12-11 2016-02-24 Belron Hungary Kft Zug Branch Glazing panel removal device and method
GB2529548B (en) * 2012-12-11 2017-05-03 Belron Hungary Kft - Zug Branch Glazing panel removal
TWI594859B (zh) * 2012-12-11 2017-08-11 貝爾隆匈牙利公司 玻璃板之移除系統
US9862563B2 (en) 2012-12-11 2018-01-09 Belron International Limited Glazing panel removal device and method
WO2014091203A1 (fr) * 2012-12-11 2014-06-19 Belron Hungary Kft-Zug Branch Dispositif et procédé de retrait de panneau de vitrage
KR101938593B1 (ko) * 2012-12-11 2019-01-15 벨론 인터내셔널 리미티드 글레이징 패널 제거 장치 및 방법
TWI587983B (zh) * 2013-04-09 2017-06-21 Guo-Hua Lin Windshield installation and removal equipment
ITAN20130211A1 (it) * 2013-11-15 2015-05-16 Pietro Ubaldo Antonio Allegra Dispositivo manuale per il distacco dei vetri di autoveicoli a motore
JP2017523935A (ja) * 2014-05-20 2017-08-24 ベルロン ハンガリー ケーエフティー − ツーク ブランチ グレージングパネル取外し装置
US11872715B2 (en) 2014-05-20 2024-01-16 Belron International Limited Glazing panel removal
WO2016089286A1 (fr) * 2014-12-02 2016-06-09 Ramhuset Patent Ab Procédé et dispositif de retrait de pare-brise de véhicule
EP3227066A4 (fr) * 2014-12-02 2018-08-22 Ramhuset Patent AB Procédé et dispositif de retrait de pare-brise de véhicule

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