WO2012040449A1 - Outil de groupage de câbles - Google Patents

Outil de groupage de câbles Download PDF

Info

Publication number
WO2012040449A1
WO2012040449A1 PCT/US2011/052743 US2011052743W WO2012040449A1 WO 2012040449 A1 WO2012040449 A1 WO 2012040449A1 US 2011052743 W US2011052743 W US 2011052743W WO 2012040449 A1 WO2012040449 A1 WO 2012040449A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
tool
handle
band
head
Prior art date
Application number
PCT/US2011/052743
Other languages
English (en)
Inventor
Grant Shafer
Adrian Armijo
Christopher Newth
Original Assignee
Band-It-Idex, Inc.
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 Band-It-Idex, Inc. filed Critical Band-It-Idex, Inc.
Publication of WO2012040449A1 publication Critical patent/WO2012040449A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/025—Hand-held tools
    • B65B13/027—Hand-held tools for applying straps having preformed connecting means, e.g. cable ties

Definitions

  • Embodiments of the present invention are generally related to a handheld tool for tensioning and cutting a band clamp.
  • Band clamps are used to bundle a plurality of objects or to attach one object to another and comprise a band with an interconnected buckle. After the band is wrapped around the object or objects, a free end of the band is inserted into the buckle, tensioned, and interconnected to the buckle.
  • a hand-held tool is generally used to maintain the position of the buckle and tension the band.
  • the tool is also used to lock the band to the buckle after a predetermined tension is achieved. The tool also removes band excess after the band clamp is locked.
  • Such tools are light weight and easy to operate but are often difficult to use in tight or confined spaces. That is, the tools commonly employ a ratcheting mechanism to tension the band that is driven by a movable lever that is cycled between a first and second position relative to a fixed handle. As the fixed handle is fixed relative to a body that receives the band, the use of the tool is difficult or impossible in some environments. Further, a tool that may work well in one environment may not work in another installation environment, which frustrates the installer.
  • Fig. 1 shows a common prior art cable bundling tool 2 that is comprised of a lever 6 rotatably interconnected to a body 10.
  • the lever 6 is associated with a ratcheting mechanism 14 disposed within the body 10 that is comprised of a ratcheting wheel (not shown) having a plurality of teeth (not shown).
  • the ratcheting wheel is also associated with a winding mandrel 18 that receives the free end of the band after it is inserted through a slot 22 in a head 26 of the tool 2.
  • the head 26 also includes a cutting member 30.
  • a band is looped about one or more objects and the free end of the band is threaded through a buckle at the opposite end of the band.
  • the free end of the band is then 1) placed through the slot 22 in the head 26; 2) fed adjacent to the cutting member 30; and 3) fed into a slot 34 of the mandrel 18.
  • a cutter arm 42 that is interconnected to the cutting member 30.
  • the cutter arm 42 causes the cutting mechanism to rotate in such a way to engage a blade onto the band to sever the band.
  • Prior art banding tools also often have hard to access and operate cutting mechanisms. More specifically, cutting mechanisms are generally comprised of a rotatable blade positioned within the head portion of the tool. Rotation of the cutting mechanism will cause the blade to engage the band and sever the band. Rotation of the cutting mechanism is achieved by moving a cutter arm in an arcuate path. The cutter arm of the cutting mechanism often extends away from the tool body, thereby making it difficult to manipulate when the tool is used in confined places. In such situations, bands of the prior art may not be completely locked and the excess free end is not properly severed. For example, in some instances the operator must back the tool away from the work area to provide sufficient clearance to permit complete actuation of the cutter arm. By doing so, however, tension and retained force of the band clamp is reduced.
  • one embodiment of the present invention includes a body having a head that receives a free end of a band clamp that has been wound about an object.
  • a lever which is associated with a ratcheting mechanism, is rotatably interconnected to a body.
  • a handle is also connected to the body and secured thereto by a locking pin.
  • the ratcheting mechanism is interconnected to a winding mandrel that receives the free end of the band.
  • a cutter arm which is also interconnected to the body, is used to rotate a cutting member to sever an excess portion from the band.
  • Embodiments of the present invention employ a handle and lever combination that rotate together from a scissors-like grip, wherein the handle and lever are generally in line with the body (i.e., generally aligned with the longitudinal axis of the body), to a pistol grip, wherein the handle and lever are positioned generally 90 degrees relative to the body (i.e., extending generally laterally from the body), and to any position therebetween.
  • a handle and lever combination that rotate together from a scissors-like grip, wherein the handle and lever are generally in line with the body (i.e., generally aligned with the longitudinal axis of the body), to a pistol grip, wherein the handle and lever are positioned generally 90 degrees relative to the body (i.e., extending generally laterally from the body), and to any position therebetween.
  • the handle is able to rotate relative to the body using a removable locking pin that extends through apertures in the body and an aperture in the handle. To move the handle and lever, the locking pin is removed and the handle and lever are moved into a preferred location. The locking pin is then replaced to fix the orientation of the lever and the handle.
  • the locking pin may be replaced by a non-removable locking mechanism such as a button or other mechanism commonly found on locking knives, for example, to selectively fix the position of the handle and lever without departing from the scope of the invention.
  • a tool that employs easy-to- replace return springs. More specifically, one embodiment of the present invention relies on a ratcheting mechanism to provide the tension and holding force needed to tension the band about a bundle of objects.
  • the tool also employs a spring that returns the lever to its normal position when released.
  • a spring is used to maintain the position of a tensioning pawl relative to a ratcheting wheel.
  • springs are used to bias a holding pawl that prevents band slacking when the lever is released. Over time these springs may wear, which will render the ratcheting mechanism ineffective. Thus, it is advantageous to make the springs easy to replace. In one embodiment the springs are exposed and easily removable in a pull-out and push-in fashion. The prior art tools have to be disassembled to replace the springs.
  • the contemplated head allows for a flush cut-off of the band and leaves less excess band material, which decreases the chances of injury if one accidentally encounters the often sharp end of the cut band.
  • the cutter arm may be positioned such that the actuation of the cutter arm is not inhibited by objects in the surrounding work area.
  • the cutter arm of one embodiment may be positioned such that a small rotational motion thereof will actuate a cutting mechanism to sever the band.
  • the cutting mechanism is generally a rotatable blade positioned within the tool head.
  • rotation of the blade engages a sharp edge against the band to sever the same.
  • Rotation of the cutting mechanism is achieved by moving a cutter arm in an arcuate path.
  • the cutter arm of the contemplated tool is interconnected to the cutting mechanism in such a way that the cutter arm does not rotate beyond the end of the head. This is improvement over the prior art tools wherein the cutting arm is rotated past the plane defined by the end of the head to completely sever the band.
  • the tool may be used in more confined or low clearance locations.
  • the present invention provides a tool wherein no parts protrude past the tip of the head.
  • embodiments of the present invention ensure that the band is severed close to the buckle.
  • the head of some embodiments allow the head to be brought as close as possible to the buckle to ensure the amount of band extending from the buckle is minimized.
  • the winding mandrel of the prior art includes one slot which received the free end of the band. The slot "grasps" the band and allows it to be wrapped around the mandrel. Sometimes, however, users have difficulty placing the free end of the band into the mandrel. Accordingly, one embodiment of the present invention provides a mandrel with at least two slots so that the orientation of the mandrel is more accommodating and flexible.
  • the prior art tool described herein has an approximate weight of 2.25 lbs.
  • Embodiments of the present invention weigh about 1.7 lbs. Those of skill in the art will appreciate this weight reduction, although slight, will be welcomed as tightening of many band clamps can be physically taxing over time.
  • the cutter arm of some embodiments is removable from the cutting mechanism and a positionable on either the left hand or the right hand side of the tool to accommodate right or left hand users, respectively.
  • This functionality is not provided by the prior art tools and thus left handed users were at a disadvantage as they had to reach over the cutting tool to access the cutter arm and to provide the necessary rotation to sever the band from the band clamp.
  • a band is wrapped about a plurality of objects and the free end of the band is placed in the buckle.
  • the free end of the band is then inserted into a slot in the head and interconnected to the slot in the mandrel.
  • Repeated movements of the lever relative to the handle cause the mandrel to turn which wraps the band around the mandrel.
  • Release of the lever returns it to its normal location and causes a holding pawl to engage the ratcheting wheel of the ratcheting mechanism which prevents band slackening.
  • a tensioning pawl associated with the lever engages the ratcheting mechanism and rotates the ratcheting wheel and by extension rotates the mandrel.
  • the tool is rotated upwardly to bend or curl a portion of the band about the buckle and the cutting arm is rotated, which causes the cutter to sever the band.
  • a pin is removed from the body which allows the handle and lever to rotate relative to the body.
  • the handle and lever are then rotated to generally align them with the body.
  • the pin is replaced into a separate set of holes integrated into the body, which are associated with a new gripping configuration, to fix the position of the handle and the lever.
  • the operation of the tensioning and cutting mechanisms is generally the same regardless of the relative orientation of the lever and handle relative to the tool body.
  • one embodiment of the present invention uses a non-ratcheting tensioning mechanism comprised of a tension clutch bearing instead of a tension pawl to selectively grip a winding mandrel to tension the band.
  • a holding clutch bearing is positioned in an opposing relationship to the tension clutch and functions similar to a holding pawl of a ratchet mechanism. Movement of the lever adjacent to the handle will engage the tension clutch to the holding clutch which causes the mandrel to rotate. When released, the holding clutch will prevent rotation of the mandrel.
  • minute tensioning is achieved.
  • a tool for tensioning and cutting a band clamp comprising: a body; a handle interconnected to the body that is selectively rotatable thereto; a lever rotatably interconnected to the body, the lever associated with a ratcheting wheel positioned in the body, the lever being capable of movement towards the handle to rotate the ratcheting wheel; a mandrel extending from the body and associated with the ratcheting wheel that also rotates in response to movement of the lever towards the handle; and wherein the lever and handle are capable of moving together from a first position of use extending laterally from the body to a second position of use extending longitudinally from the body.
  • Fig. 1 is a side elevation view of a prior art cable bundling tool
  • Fig. 2 is a front elevation view of the tool of one embodiment of the present invention shown in a pistol grip configuration
  • Fig. 3 is a front elevation view of the tool shown in Fig. 2 shown in a mid grip configuration
  • Fig. 4 is a front perspective view of the tool in mid grip configuration shown binding a plurality of cables with a band clamp;
  • Fig. 5 is a rear perspective view of the tool in mid grip configuration shown binding a plurality of cables;
  • Fig. 6 is a front perspective view of the tool in scissor grip configuration
  • Fig. 7 is a rear perspective view of the tool in scissor grip configuration
  • Fig. 8 is a top plan view of Fig. 6;
  • Fig. 9 is a bottom plan view of Fig. 6;
  • Fig. 10 is a left elevation view of Fig. 6;
  • Fig. 11 is a left elevation view of Fig. 6;
  • Fig. 12 is cross-sectional view of Fig. 8 wherein a portion of the tool head has been removed for clarity;
  • Fig. 13 is a partial front perspective view of an alternate embodiment of the present invention.
  • Fig. 14 is a rear perspective view of a cable bundling tool with a counting device.
  • Figs. 2-12 show a band clamp tensioning tool 102 of one embodiment of the present invention.
  • the tool 102 is comprised of a body 110, a handle 138 fixedly associated with a body 110, and a lever 106 rotatably associated with a body.
  • the lever 106 is also associated with a ratcheting mechanism 114 that employs a ratcheting wheel 116 and other mechanisms for tensioning the band which will be described in further detail below.
  • the body 110 also includes a head 126 that accommodates a cutting member 130. The free end of the band is placed through the slot 122, adjacent to the cutting mechanism 130, and engaged onto a winding mandrel 118.
  • Rotation of the winding mandrel 118 is achieved by repeatedly moving the lever 106 relative to the fixed handle 138. As the mandrel 118 rotates, the band 300 is wound about the same. Once a desired amount of tension is achieved, a cutter arm 142 is rotated, which rotates the cutting mechanism 130 to sever the band 300.
  • Fig. 2 shows the tool 102 in a first position of use wherein the orientation of the lever 106 and handle 138 relative to the body 110 are analogous to a pistol grip. That is, the lever 106 and handle 138 are positioned generally orthogonal to a line extending between the slot 122 and mandrel 118.
  • the pistol grip configuration has been employed by prior art tools to tension a band 300.
  • the head 126 includes a cutting mechanism
  • the body 110 also accommodates the ratcheting wheel 116 that is interconnected to the mandrel 118, wherein rotation of the ratcheting wheel 116 rotates the mandrel 118.
  • the lever 106 is operative ly interconnected to the ratcheting wheel 116 via a tension pawl 150 that grasps teeth of the ratcheting wheel 116 when the lever 106 is moved from a first position separated from the handle 138 to a second position adjacent to the handle 138.
  • a holding pawl 154 engages the teeth of the ratcheting wheel 116 to maintain the tension of the band by preventing the ratcheting wheel 116 from rotating in the reverse direction.
  • Figs. 3-5 show the tool 102 in a second position of use wherein the handle 138 and the lever 106 are positioned between a pistol grip and a scissor grip configuration.
  • This feature of the invention allows the tool 102 to extend into tight spaces.
  • the operation of the tool is similar to that as described above.
  • a pin 162 is removed which allows the handle 138 and lever 106 to be rotated into the positions shown in Figs. 3-5.
  • the pin 162 is placed through apertures 164 integrated into the handle and through a set of apertures integrated into the body (not shown).
  • Figs. 6-12 show another configuration of the tool wherein the handle 106 and the lever 138 are generally aligned with the body 110 to provide a scissor grip. Transitioning the handle and lever to this configuration is performed as described above. In addition, operation of the tool is the same as described above.
  • a tool 202 of another embodiment of the present invention uses a tension clutch bearing 205 and a holding clutch bearing 207 to provide the rotation to the mandrel 218.
  • the mandrel 218, head 226, and cutting members of this embodiment of the present invention are similar, if not identical, to those described above.
  • the tension clutch bearing 205 contacts the mandrel 218 and causes it to rotate.
  • the holding clutch bearing 207 holds the mandrel 218 in place and prevents it from recoiling.
  • This embodiment of the present invention allows for the tool 202 to provide minute tension adjustments as opposed to discreet adjustments provided by a traditionally used ratcheting mechanism.
  • Fig. 14 shows a tensioning tool 248 somewhat similar to that of embodiments of the present invention that employs a counter 250.
  • the counter 250 stores and displays ratchet mechanism cycles, number of bands tensioned, etc., which will help users identify the need for tool servicing and calibration.
  • Other embodiments of the present invention employ a load cell and associated display that allows individuals to ascertain the amount of applied band tension. Any of the embodiments described herein may employ counters, load cells, and associated display devices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

La présente invention a trait à un outil permettant de tendre et de couper un serre-joint à sangle, lequel outil est équipé d'un corps, d'un manche fixe et d'un levier mobile qui peuvent être positionnés de façon sélective par rapport au corps afin de fournir une pluralité d'options de serrage.
PCT/US2011/052743 2010-09-22 2011-09-22 Outil de groupage de câbles WO2012040449A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38536810P 2010-09-22 2010-09-22
US61/385,368 2010-09-22

Publications (1)

Publication Number Publication Date
WO2012040449A1 true WO2012040449A1 (fr) 2012-03-29

Family

ID=45816635

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/052743 WO2012040449A1 (fr) 2010-09-22 2011-09-22 Outil de groupage de câbles

Country Status (2)

Country Link
US (1) US20120067450A1 (fr)
WO (1) WO2012040449A1 (fr)

Cited By (1)

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US11730527B2 (en) 2019-11-04 2023-08-22 Stryker European Operations Limited Surgical instrument for tightening a bone fixation member around bone

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US8500739B2 (en) * 2007-04-06 2013-08-06 DePuy Synthes Products, LLC Securing device to secure fixation devices to bone portions
US9194493B2 (en) 2011-09-30 2015-11-24 Pentair Water Pool And Spa, Inc. Filter clamp lock
US9272799B2 (en) 2011-10-04 2016-03-01 Signode Industrial Group Llc Sealing tool for strap
EP3137003B1 (fr) 2014-04-30 2020-02-26 DePuy Synthes Products, Inc. Instrument de mise en tension et systèmes de fixation d'os associés
US10577137B2 (en) 2015-12-09 2020-03-03 Signode Industrial Group Llc Electrically powered combination hand-held notch-type strapping tool
US10040585B1 (en) * 2017-02-06 2018-08-07 Hsiu-Man Yu Chen Cable tie tensioner
US11046466B2 (en) * 2017-11-27 2021-06-29 Daniels Manufacturing Corporation Apparatus for tensioning a cable lacing tape device
US11066200B2 (en) * 2017-11-27 2021-07-20 Daniels Manufacturing Corporation Apparatus for tensioning a cable lacing tape device
CN108466713B (zh) * 2018-03-22 2019-01-15 朗丝窗饰有限公司 应用于物流运输件捆扎的包装设备
CN108382629B (zh) * 2018-03-22 2019-03-29 六安市恒伟标识有限公司 物流运输件的捆扎包装方法
US11247792B2 (en) * 2019-02-15 2022-02-15 Samuel, Son & Co. (Usa) Inc. Strapping device
CN216581195U (zh) * 2021-12-23 2022-05-24 诸暨市艾拓五金工具有限公司 扎带钳

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Publication number Priority date Publication date Assignee Title
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Also Published As

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