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WO2011092477A1 - Outil de taraudage - Google Patents

Outil de taraudage Download PDF

Info

Publication number
WO2011092477A1
WO2011092477A1 PCT/GB2011/000117 GB2011000117W WO2011092477A1 WO 2011092477 A1 WO2011092477 A1 WO 2011092477A1 GB 2011000117 W GB2011000117 W GB 2011000117W WO 2011092477 A1 WO2011092477 A1 WO 2011092477A1
Authority
WO
WIPO (PCT)
Prior art keywords
link member
tap
tool
spanner
tubular
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.)
Ceased
Application number
PCT/GB2011/000117
Other languages
English (en)
Inventor
Graham Anthony Downey
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2011092477A1 publication Critical patent/WO2011092477A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/488—Spanners; Wrenches for special purposes for connections where two parts must be turned in opposite directions by one tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/481—Spanners; Wrenches for special purposes for operating in areas having limited access
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0085—Counterholding devices

Definitions

  • the present invention relates to tightening and unfastening tools. More particularly, but not exclusively, it relates to tightening and unfastening tools for use in undoing working heads of water taps, for example while changing a water seal washer.
  • Unfastening tools for use with taps are known and are often used when it is difficult or impossible to unfasten the working heads of water taps serving baths and sinks using conventional, spanners or pliers.
  • the most common comprise some form of gripping mechanism that are provided with one or more of engaging means in the form of adjustable jaws, teeth and suchlike to enable them to firmly grasp the working heads of water taps.
  • the tap washer In order to change a worn out tap washer, it is common to hire a plumber or other workman who must first remove the tap handle or knob followed by unscrewing the tap head using a spanner, wrench or other grasping tool; the tap washer is located inside the tap unit.
  • the tap head is defined here to be the working part of the tap, which contains the tap washer.
  • a problem that often arises when unscrewing the tap head is when the tap head becomes "seized up" such that it becomes difficult to unscrew or unfasten. This is usually because left unchanged over many years, tap heads can become stuck as a result of limescale, water conditions (for example warm temperature or humidity) that may have caused corrosion due to mechanical damage in its threadings.
  • GB2167988 A discloses a tool for dismantling water taps without the risk of damage to the tap finish or damage to the basins to which they are mounted. It comprises a flexible strap 20, formed into a loop carried on the end of a lever. It has a lever which is formed at one end to fit over and surround a tap body. It has an internal formed shape is made of a resilient material and a separate screw threaded link 30 that is used to connect to the lever at one end and to a conventional spanner at the other. The opposite end of the spanner is applied to the water seal unit on the tap and a screw adjustment is applied to the link to move the spanner and thus rotate and unscrew the seal unit.
  • GB 2249509A discloses a locking or unlocking device that has a pair of opposed spanner retaining carriers 5 mounted on a common support 1 , one of the carriers being fixedly retained relative to support 1 , and the other of the carriers being driven towards or away from the first carrier by a drive means 10 whereby in use a pair of spanners 14 retained respectively in the carriers can be driven through respective arcs to lock or unlock a pair of nuts by actuation of the drive means.
  • the devices described in these prior art disclosures are not ideally suited for unfastening or dismantling water taps for a number of reasons.
  • the device of GB2167988A will have difficulty fitting in corners having insufficient space, especially in tight spaces or if the tap is located near to a wall on its left side, such that it will be difficult to fit the separate link member 30 and side elongations 38 that holds the spanner.
  • tap spouts come in generally more consistent sizes
  • tap bodies come in a variety of shapes and sizes and are known to have different thickness including many which can be flared.
  • Using the above devices can mean that a user would have great difficulty using a single lever to dismantle different sized taps, especially those which are slightly larger or those much smaller than the U-shaped size of the lever respectively.
  • Another problem with a number of the prior art devices is that they are made from materials that are bulky and likely to be expensive.
  • a user with poor hand strength may find it extremely difficult to change a tap washer using such tools as it would generally be required for a user, commonly a plumber, to turn the tap head in one direction, while holding the tap body steady in the other direction.
  • This is particularly difficult to achieve and often results in the tap head to jolt, or "crack" causing the whole tap body to turn one way, resulting in the aforementioned leakages and/ or damage to surfaces.
  • an unfastening tool comprising a substantially tubular means adapted to engulf the or a portion of a tap's spout; a rigid elongate link member means moveably disposable to be slidably rotatable relative to the tubular means; adjusting means disposable adjacent the link member means; and connection means adapted to cooperatively engage a shank of a spanner with the link member means, so as to form a draw link therebetween, wherein, in use, the adjusting means is manually operable to effect movement of the link member means so as to urge a shank of a spanner engaged by the link member means using connection means, towards or away from the tubular means.
  • the tubular means comprises a tubular member or sheath made of substantially rigid material.
  • the tubular member is made from a reinforced plastics material.
  • the tubular member is made from a metallic material or other suitable material.
  • the tubular member comprise at a proximal end, a handle means.
  • the tubular member comprise at a distal end a crevice means.
  • the crevice means is adapted to engulf a portion of a tap's spout.
  • the crevice means is adapted to fully engulf a tap's spout.
  • the crevice means is adapted to firmly grasp a tap's spout.
  • the crevice means is adapted to immoveably engage a taps spout.
  • the crevice means may be adapted to correspond to different sized tap spouts, whereby a spout that is considered to be a match for a particular sized tap will firmly grasps such a tap.
  • the link member means comprises an elongate substantially rigid bar, for example a metal bar.
  • the link member means may comprise a substantially stiff bar, for example one manufactured from a reinforced or "high-impact" plastics material such as a polypropylene copolymer. It is desirable for the link member means to be rigid so that any force applied does not cause it to break or snap.
  • the link member means is adapted to moveably cooperate with the tubular means.
  • the link member means may be adapted to rotatably cooperate with the tubular means.
  • the link member means may be moveably received through an aperture means in the tubular means.
  • the link member means is provided with external threading
  • the external threading allows conversion of rotational motion into linear motion.
  • the link member means is provided with internal threading
  • the internal threading allows conversion of rotational motion into linear motion.
  • the tubular means has an aperture means.
  • the tubular means allows the link member means to readily move rotatably through the aperture means.
  • the link member means is disposable adjacent the tubular means, generally tangentially of the tubular means.
  • the link member means is disposable within a bore or slit means within the tubular means.
  • the link member means may extend from the tubular means to the connection means.
  • the link member means is adapted, in use, to moveably cooperate with the handle means of the tubular means.
  • the link member means in use, is adapted to translate the rotational movement effected by the adjusting means along its length, into lateral movement relative to to the tubular means, thereby effecting a movement of a shank of a spanner or gripper tool.
  • connection means may be screw threaded to cooperate with threads on the link member means.
  • the link member means is, in use, adapted to moveably cooperate with the tubular means.
  • the link member means may, in use, be adapted to translate the rotational movement of adjusting means, into lateral motion of its member relative to the tubular means and the connection means.
  • the tubular means may be sectioned or truncated to present a surface onto which, in use the adjusting means is in communication with.
  • the adjusting means is manually operable to effect movement of the link member means.
  • the adjusting means is automatically operable to effect movement of the link member means.
  • the adjusting means is both manually and automatically operable to effect movement of the link member means.
  • the link member means is adapted, at one end to moveably cooperate with a conventional tightening device such as a spanner , wrench or gripper type tool.
  • the link member means may be adapted to cooperate with the connection means, the connection means being so adapted to cooperate with a conventional tightening device such as a spanner , wrench or gripper type tool.
  • the link member means may comprise a bolt means with a bolt head means.
  • the bolt means may be manually operable to rotatably cooperate with the the connection means so as to effect a "push” or “pull” force on a conventional tightening device such as a spanner or wrench.
  • the tool is adapted for use with conventional spanners.
  • the tool is adapted for use with specially adapted spanners.
  • the tool is adjustable to fit different size tap heads.
  • the tool is adapted to fit taps where the tap spout is angled upwardly or set higher than the hexagonal portion of the tap head.
  • the tool may be adjustable to fit taps where the tap spout is angled downwardly or set lower than the hexagonal portion of the tap head.
  • the adjusting means comprises a threaded nut means.
  • the nut means is couplable with the link member means slidably rotatably along the length of the link member means.
  • Figure 1 is a top elevation of the present invention showing the arrangement of the unfastening tool engaging a water tap's spout.
  • Figure 2 is a perspective side view of the present invention showing, in use, the position of the spanner, the link member and tap.
  • Figure 3 is a top elevation of an alternative embodiment of the present invention showing the arrangement of the unfastening tool engaging a water tap's spout.
  • Figure 4 is a side view of the present invention showing, in use, the position of the spanner, the levers and handle.
  • Figure 5 & 6 are perspective views of 2 types of adapted spanners suitable for use with the present invention
  • an unfastening tool for use in fastening or unfastening water taps, has a rigid, substantially tubular sheath 1 or sleeve adapted to engulf the or a portion of a tap's spout 5.
  • the tool has a rigid elongate link member 3 that is moveably located to be slidably rotatable relative to the tubular sheath 1.
  • the link member 3 may comprise for example a steel rod or other material of high tensile strength.
  • the link member 3 has a threaded section that allows it to cooperate with a connection means or bracket 2 that "links" the link member with a shank of a spanner 4.
  • the link member is completely threaded and may comprise a bolt having a bolt head 6, or receiving a nut 6.
  • the bolt may have threadings on both ends, or be substantially threaded along its length.
  • the tool has an adjusting mechanism disposable adjacent the link member comprising a threaded nut or screw that is couplable onto the link member.
  • the tool may comprise an elongate bolt, whereby rotating the bolt will cause it to move through the connection means, pulling or pushing it one way or another, depending on whether the bolt head is rotated clockwise or anticlockwise.
  • connection means adapted to cooperatively engage a shank of a spanner with the link member means, so as to form a "draw- link" therebetween, wherein, in use, the adjusting means is manually operable to effect movement of the link member means so as to urge a shank of a spanner engaged by the link member means using connection means, towards or away from the tubular sheath.
  • connection means adapted to cooperatively engage a shank of a spanner with the link member means, so as to form a "draw- link" therebetween
  • the adjusting means is manually operable to effect movement of the link member means so as to urge a shank of a spanner engaged by the link member means using connection means, towards or away from the tubular sheath.
  • the other end of the device can be connected or anchored to the tap spout by placing a tube over the spout of suitable length and width.
  • the point of connection with the link member means will be at the end of the tube by way of for instance, a hole, threaded aperture or slot.
  • One advantage of using the tool is that the force required to undo or tighten the tap head will be held or contained in the tap unit itself and will not require an external anchorage point (i.e. a human being standing on the ground or an additional wrench gripping the bottom half of the tap).
  • the directing pushing and pulling forces required to unscrew the tap head will only be contained in the tap body, such that the force will be applied and controlled indirectly by the user. Essentially, this is achieved by connecting the opposite end of the spanner or tool being used on the hexagonal part of the tap head, to another part of the tap body, ideally but not essentially, the tap spout.
  • connection means a cam type device, gears, ratchet, belt, chains, hydraulic, levers, hand clamps , hand grips or vacuum devices having pushing or pulling arrangements can be employed to obtain the pushing or pulling action between the spanner and the spout.
  • an unfastening tool an unfastening tool 10a comprises a sleeve or tubular sheath 9a adapted to engulf a portion of a tap's spout 2a; a first lever member 11a is moveably disposable adjacent the tubular sheath 9a.
  • a second lever member 4a is adapted to engage a spanner 5a.
  • the second lever member 4a is connectable to a distal end 8a of the first lever member 11a, so as to be generally parallelly to the tubular member 9a and form a draw link between the spanner 5a and the first lever member 11a.
  • a handle 12a is pivotably connected to a proximal end 3 of the first lever member 11a, so that in use, the handle 12a is manually operable to cause movement of the second lever member 4a using the rotation of first lever member 11a.
  • the tubular member 9a may be made of substantially rigid material, for example of a plastics material made by extrusion.
  • the tubular member 9a may be made from a metallic material, although this may need an inside layer or coating within the crevice or internal lining of the tubular member 9a, so as to prevent causing scratches to the coating of the spout.
  • a reinforced or "high-impact" plastics material such as a polypropylene copolymer may be used in injection moulding to form the tubular member. It is desirable for the tubular sheath 9a to be rigid so that any force applied does not cause it to break or snap.
  • the tubular member 9a has at a proximal end, a handle portion 7a, which is held by a user, when inserting a tap's spout 2a into it.
  • the tubular member 9a has at a distal end a crevice 13 , which is the part that engulfs a tap's spout 2a.
  • the crevice 13a must firmly grasp the spout so as to create an anchorage point through which , in use, the forces created by the manually operable first lever member 1a will be aligned. This is also important as it means that the tubular member 9a will fit most taps.
  • the first lever member 11a comprises an elongate rigid bar, made from a tough material, for example a plastics or metallic material for example it could be made from chromium-vanadium alloys, or tool steels.
  • the first lever member 11a is adapted to moveably and rotatably cooperate with the tubular member 9a, so that the first lever member 11a is retained within the tubular member 9a or adjacent it (figure 4) and may not slide out.
  • the arrangement is such that the bar may rotate in the direction of the arrows (shown both on figure 3 & 4 for illustration) but is connected to the second lever member 4a at a distal end 8a, and to the handle 12a at proximal end 3a, and thus may not move out of the tubular member 9a.
  • first lever member 11 a is moveably received through an aperture in the tubular device (not shown).
  • tubular device not shown.
  • first lever member 11a is moveably received through an aperture in the tubular device (not shown).
  • the first lever member 11 is adapted to translate the rotational movement of the handle 12, along its length, generally perpendicular to the tubular member 9a, thereby effecting a movement of the second lever member 4.
  • the second lever member 4a is adapted, at a distal end 8a to moveably cooperate with a conventional tightening device such as a spanner 5a and it means a tap head nut can be unfastened by applying a force onto the handle 12, which is then transferred to the spanner 5 using the lever member arrangement by translating the rotational movement of first lever means, into horizontal movement of the second lever member 4a and spanner 5a.
  • a conventional tightening device such as a spanner 5a and it means a tap head nut can be unfastened by applying a force onto the handle 12, which is then transferred to the spanner 5 using the lever member arrangement by translating the rotational movement of first lever means, into horizontal movement of the second lever member 4a and spanner 5a.
  • the tool may be adapted for use with specially adapted spanners and to fit different size tap heads. ( see figure 5 & 6). In use, the tool is adapted to fit taps where the tap spout is set higher than the hexagonal portion of the tap head. Also, the tool may be adjustable to fit taps where the tap spout is set lower than the hexagonal portion of the tap head.
  • the tool will allow easy and controlled rotation or unscrewing of the tap head in a way, which will cause minimal or no movement of the tap itself.
  • the tool will also provide substantial rotational force on the tap head than the average person would be able to using tools from the prior art.
  • the tool attaches to the spout, that becomes an anchorage point on the tap, whereby using the invention will enable leverage or pulling or pushing force on the tool used to unscrew the tap head, such as a spanner.
  • the advantage being that as all the force required to undo or tighten tap head will be held or contained in the tap unit itself and will not require an external anchorage point, i.e. The person standing on the floor. This means that the direct pushing and pulling forces required to unscrew the tap head will only be contained in the tap body, the force will be applied and controlled indirectly by the user, this will be achieved by connecting the opposite end of the spanner or tool being used on the hexagonal part of the tap head, to another part of the tap body, ideally the tap spout.
  • One end of the device will be connected to the end of the spanner by either suitable purpose made adapter that will accommodate a standard spanner, or the spanner can be purpose made to fit the bracket.
  • the other end of the device will be connected or anchored to the tap spout, ideally but not essentially by placing a tube over the spout of suitable length and width, the point of connection will be at the end of the tube by way for instance hole or slot.
  • the tube placed over the spout will be made for instance from hard plastics material. This will offer the benefit of preventing damage to the tap when in use. Other types of suitable materials can also be used.
  • the connection between the tap spout and the spanner can be by method of nut and bolt of suitable size/ material and strength. It then becomes apparent that rotation of the nut and / or bolt will cause the spanner to travel towards the tap spout and rotation of the tap head will take place in a steady controllable manner.
  • the internal diameter of the tubular sheath may be flared to correspond with the typically narrowing size of many household tap spouts, which are often wider nearer the body of the tap, and slightly narrower away from the tap body. Typical internal diameters are 30mm at the far end of the sheath, increasing gradually towards the mouth of the sheath and reaching at 36. 2mm at the mouth, so to correspond with narrowing size of most household spouts (Note most tap spouts narrows from the tap body, which is wider, narrowing along the spout outwardly to the water outlet). External diameter of the sheath may range from 36mm nearer to the handle means, to 46.12mm at the mouth of the spout.
  • the tubular sheath may be manufactured to user requirements, or as a set corresponding to different sized tap spouts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

L'invention porte sur un outil de démontage qui comprend une gaine tubulaire apte à s'emboîter sur le bec d'un robinet d'eau. L'outil comprend un élément de liaison allongé rigide, de préférence, fileté qui peut être séparé de manière à pouvoir tourner de façon coulissante par rapport à la gaine tubulaire. L'outil comporte un écrou de réglage, qui peut être retiré à une extrémité proximale de l'élément de liaison, qui peut être manipulé manuellement pour produire le déplacement de l'élément de liaison. L'élément de liaison est apte à venir en prise avec une tige d'une tricoise ou d'une clé à son extrémité distale de façon à former un lien de traction avec la tricoise et la gaine tubulaire. L'outil peut être fait à l'aide d'une matière plastique en combinaison avec une barre métallique allongée. En utilisation, l'écrou de réglage peut être manipulé manuellement pour produire le déplacement de l'élément de liaison de manière à pousser la tige d'une tricoise qui vient en prise avec l'élément de liaison, en la rapprochant ou l'éloignant de la gaine tubulaire.
PCT/GB2011/000117 2010-01-29 2011-01-31 Outil de taraudage Ceased WO2011092477A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1001430.6A GB201001430D0 (en) 2010-01-29 2010-01-29 Improvement in and relating to tools
GB1001430.6 2010-01-29

Publications (1)

Publication Number Publication Date
WO2011092477A1 true WO2011092477A1 (fr) 2011-08-04

Family

ID=42084137

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2011/000117 Ceased WO2011092477A1 (fr) 2010-01-29 2011-01-31 Outil de taraudage

Country Status (2)

Country Link
GB (2) GB201001430D0 (fr)
WO (1) WO2011092477A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI455796B (zh) * 2012-10-03 2014-10-11 Poul Chang Metal Industry Co Ltd 扳手延伸工具
CN107073693A (zh) * 2014-09-25 2017-08-18 法国国家电力企业 用于保持螺母护圈的钥匙设备
CN109079692A (zh) * 2018-01-08 2018-12-25 中国航天员科研训练中心 省力扳手组件
US12246412B2 (en) 2020-05-05 2025-03-11 Js Products, Inc. Removal tool kit and removal tool therefor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1777084A (en) * 1925-08-15 1930-09-30 Ridge Tool Co Pipe-tightening tool
US2337538A (en) * 1942-03-30 1943-12-28 Foster Wheeler Corp Wrench
GB2167988A (en) 1984-11-15 1986-06-11 Ernest Alfred Chance Water tap dismantling tool
GB2249509A (en) 1990-09-10 1992-05-13 Jack Gordon Perrins Locking and unlocking device
FR2687343A1 (fr) * 1992-02-14 1993-08-20 Facom Dispositif de desserrage ou de serrage d'un ecrou visse sur un organe filete.
DE102005003762A1 (de) * 2005-01-27 2006-08-10 Hn-Systemtechnik Gbr Werkzeug zum Verdrehen von gegeneinander verdrehbaren Teilen
US7246546B1 (en) * 2006-06-06 2007-07-24 Kris Knoblock Loosening tool for threaded pipe couplings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US378299A (en) * 1888-02-21 Wrench
US5062326A (en) * 1990-11-21 1991-11-05 Goldschmidt Steven H Power-driven or manually-operated wrench puller for tightening or loosening threadedly-engaged work pieces
US5546833A (en) * 1995-03-03 1996-08-20 The Charles Machine Works, Inc. Screw drive tool joint wrench
US6931965B1 (en) * 2003-08-18 2005-08-23 Robert P. Fanguy Portable pipe tong and method of use

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1777084A (en) * 1925-08-15 1930-09-30 Ridge Tool Co Pipe-tightening tool
US2337538A (en) * 1942-03-30 1943-12-28 Foster Wheeler Corp Wrench
GB2167988A (en) 1984-11-15 1986-06-11 Ernest Alfred Chance Water tap dismantling tool
GB2249509A (en) 1990-09-10 1992-05-13 Jack Gordon Perrins Locking and unlocking device
FR2687343A1 (fr) * 1992-02-14 1993-08-20 Facom Dispositif de desserrage ou de serrage d'un ecrou visse sur un organe filete.
DE102005003762A1 (de) * 2005-01-27 2006-08-10 Hn-Systemtechnik Gbr Werkzeug zum Verdrehen von gegeneinander verdrehbaren Teilen
US7246546B1 (en) * 2006-06-06 2007-07-24 Kris Knoblock Loosening tool for threaded pipe couplings

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI455796B (zh) * 2012-10-03 2014-10-11 Poul Chang Metal Industry Co Ltd 扳手延伸工具
CN107073693A (zh) * 2014-09-25 2017-08-18 法国国家电力企业 用于保持螺母护圈的钥匙设备
CN107073693B (zh) * 2014-09-25 2018-11-13 法国国家电力企业 用于保持螺母护圈的钥匙设备
CN109079692A (zh) * 2018-01-08 2018-12-25 中国航天员科研训练中心 省力扳手组件
US12246412B2 (en) 2020-05-05 2025-03-11 Js Products, Inc. Removal tool kit and removal tool therefor

Also Published As

Publication number Publication date
GB201101521D0 (en) 2011-03-16
GB2477424A (en) 2011-08-03
GB201001430D0 (en) 2010-03-17
GB2477424B (en) 2014-07-09

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