WO1993009852A2 - Outil de montage de robinets - Google Patents

Outil de montage de robinets Download PDF

Info

Publication number
WO1993009852A2
WO1993009852A2 PCT/GB1992/002156 GB9202156W WO9309852A2 WO 1993009852 A2 WO1993009852 A2 WO 1993009852A2 GB 9202156 W GB9202156 W GB 9202156W WO 9309852 A2 WO9309852 A2 WO 9309852A2
Authority
WO
WIPO (PCT)
Prior art keywords
tool
shaft
lever attachment
nut
ratchet mechanism
Prior art date
Application number
PCT/GB1992/002156
Other languages
English (en)
Other versions
WO1993009852A3 (fr
Inventor
John Edward Christopher Hailey
Original Assignee
John Edward Christopher Hailey
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 John Edward Christopher Hailey filed Critical John Edward Christopher Hailey
Priority to GB9424779A priority Critical patent/GB2286141B/en
Publication of WO1993009852A2 publication Critical patent/WO1993009852A2/fr
Publication of WO1993009852A3 publication Critical patent/WO1993009852A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/06—Handle constructions reversible or adjustable for position
    • B25G1/063—Handle constructions reversible or adjustable for position for screwdrivers, wrenches or spanners
    • 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
    • B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
    • B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
    • 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • 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
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0021—Prolongations interposed between handle and tool

Definitions

  • the present invention relates to a tap fixing tool, and more particularly to a tool for mounting and dismounting bath taps, basins, bidets, waste pipes and like plumbed in apparatus.
  • One of the more unpleasant tasks in plumbing is the mounting of taps onto a new bath or sink or when replacing such taps.
  • the task involves the use of a specific fixing tool for tightening or loosening fixing nuts holding the tap in place and perhaps also for tightening or loosening the adjacent compression joints.
  • the tap locations can only be reached with difficulty, often involving contortions of the body and stretching at a distance in order to use the fixing tool.
  • use of the tool is often made more difficult because viewing of the taps is obscured.
  • a known such fixing tool comprises an elongate shaft having nut engaging head portions at respective ends of the shaft which extend perpendicularly from the shaft in opposing directions.
  • the head portions may not extend too far because of the limited space in which the tool must normally operate as mentioned above.
  • Each head portion includes two arms to define a U shape for engaging therebetween a nut of a predetermined size in the manner of a non ring or open ended type spanner.
  • Ring spanner type head portions are not suitable for such a fixing tool.
  • the two head portions may be respectively formed for engaging a different size of nut.
  • the user In use, the user must first locate one head portion around, for example, a tap holding nut. Then the tool is held in place and the opposing head portion is gripped by the user's hand and a turning force is applied thereto. In this way, it is possible to rotate the nut relative to the tap.
  • the head location, holding and gripping must be repeated, often in excess of 20 times.
  • Each location of the head portion over the nut can be difficult, particularly where the nut is in a confined space and possibly even out of sight.
  • the tool slips during application of the turning force the knuckles of the user's hand are quite likely to come into sudden contact with a hard surface damaging the knuckles.
  • gripping of the head portion can cause discomfort to the user's hand after some time since the shape of the two arms does not make for a comfortable grip.
  • gripped head portion does not extend very far, the degree of leverage available for applying the turning force is not great so that the user must be quite strong.
  • Another known fixing tool aims to overcome some of the aforementioned problems by having an elongate shaft with a head portion at one end thereof which comprises a semi circular member pivotally attached at one end thereof to the shaft and having a toothed inner surface at the other end remote from the shaft.
  • a fixed toothed wheel is located adjacent the member pivot point so that as the member rotates, the gap between the toothed surface and the toothed wheel reduces so that a nut can be gripped therebetween.
  • the other end of the shaft has a grip in the form of a fixed bar perpendicular to the shaft.
  • the toothed surface and wheel In use, the toothed surface and wheel must be located over the nut to be turned and then the steps outlined for the above tool are performed and repeated.
  • the location of the member and wheel around the nut is still not simple particularly in a confined space. Furthermore, there is still a tendency for the member and wheel to slip off the nut with the aforementioned disadvantages unless great care is taken. However, the gripping of the bar is easier and greater leverage can be obtained.
  • a tool for fitting taps comprising a shaft having a non ring headed nut engaging portion at one end for slidably engaging a nut to be rotated, and a releasable connection means at the other end for connection with a lever attachment for applying a turning force to the shaft.
  • the tool of the present invention by selection of a suitable lever attachment, perhaps with extension pieces, it is possible for the tool to be used to engage a nut which is located in a relatively inaccessible location whilst the turning force can be applied away from the inaccessible location thereby reducing the risk of damage to the hands of the user in the event that the engaging portion slips from the nut.
  • the lever attachment can be formed for use without discomfort to the user and to provide greater leverage.
  • a lever attachment having a ratchet mechanism or a pivot type action it can be unnecessary to relocate the nut engaging portion when the limit of the user's hand rotation has been reached thereby reducing the time required to fit the nut.
  • much greater flexibility of use is produced with the tool of the present invention.
  • the releasable connection means comprises a male or female connector for connecting to a female or male connector respectively of the lever attachment. Consequently, since the type of connector is not limited, the tool can be produced in different forms.
  • the releasable connection means comprises a socket for connection to a known socket spanner set.
  • This embodiment therefore has the advantage that the lever attachments already provided in a standard socket set can be used with the tool. Since a typical user of the tool probably already possesses such a socket set, only the tool as defined need to be purchased in order to use it thereby allowing a cost effective tool to be produced.
  • a lever attachment for applying a turning force to a shaft
  • the lever attachment comprising a shaft having one end connected to a substantially hand length grip and having the other end connected to one side of a ratchet mechanism, the other side of the ratchet mechanism being connected to a releasable connection means; wherein the ratchet mechanism has a control means for selectively controlling the direction of drive of the applied turning force and being located to be anipulable in use by a user's hand on the grip.
  • a lever attachment incorporating a ratchet mechanism which allows it to be operated with one hand. This is particularly convenient in situations in which it is necessary to apply pressure to hold in place the tool to which the attachment is connected because the direction of rotation of the turning force can be changed while the pressure is maintained.
  • the ratchet mechanism has a casing with opposing cutouts and the control means comprises an knurled wheel internal to the casing but manipulable through said cut outs. This is particularly convenient for fingertip control of the control means when applying pressure to hold in place a tool to which the attachment is connected.
  • the grip comprises a bar
  • the bar can be slidably connected to said shaft. Since the axis of rotation of the turning force passes substantially through the middle of the tool, the bar can be slid preferentially to adjust to a users hand so that it sits comfortably and symmetrically in the hand of a user. Alternatively, the bar can be slid to one side of the shaft, if the space allows, in order to apply greater turning force.
  • the present embodiment of the invention is particularly convenient in the form of a lever attachment comprising a tap fixing tool lever attachment since the limited space for operation of the attachment is suitable for the confined spaces experienced in tap and other fixing situations.
  • the tool may further include an extension piece holding device for holding an extension piece, the device comprising engaging means for releasably attaching to the extension piece and an elongate handle member attached to said engaging means and extending therefrom.
  • an extension piece fitted between the tool and the lever attachment can be held in a stable way.
  • the engaging means comprises an elongate shaft having a respective clamp means substantially at each end thereof for clamping to the extension member so that the tool and lever attachment can be held in a balanced manner.
  • the length of the elongate shaft is preferably adjustable to enable fitting to different length extension pieces, and for ease of fitting the clamp means conveniently comprise snap- fit clamp members.
  • the handle is preferably pivotally or hingeably attached to the engaging means.
  • the length of the handle is adjustable.
  • a tap fixing tool comprising a main shaft having a non ring headed nut engaging portion at one end for slidably engaging a nut to be rotated and being connected at the other end to one side of a ratchet mechanism, the other side of the ratchet mechanism being connected to a minor shaft having at a remote end thereof a substantially hand length grip for applying a turning force to the main shaft; wherein the ratchet mechanism has a control means for selectively controlling the direction of drive of the applied turning force and being located to be manipulable in use by a user's hand on the grip.
  • Figure 1 illustrates a side view of a tool and lever attachment embodying the present invention
  • Figure 2 illustrates a view along arrows II-II shown in Figure 1;
  • Figure 3 illustrates a side view of an extension piece for use with the tool and lever attachment of Figure 1;
  • Figure 4 illustrates a side view of a holding device used in combination with the tool and lever attachment of figure 1.
  • a fixing tool 1 for taps comprises a shaft 2 which has a nut engaging head at one end formed by two arms 3 and 4 extending substantially perpendicularly from the shaft to form a generally U-shaped portion 5.
  • the portion 5 has predetermined internal dimensions defined by flat internally facing surfaces.
  • the head can slidably fit to a nut having a predetermined size in the manner of the first described tool of the prior art above.
  • the opposing end 6 of the shaft 2 is formed for releasable connection to a lever attachment 7.
  • the end 6 includes a square hole 8 to act as a female connector to a male connector in the form of a square insertion element 9 formed at one end of the lever attachment 7.
  • a spring biassed ball bearing 10 is located in the insertion element 9 so that when the insertion element 9 is mated with the hole 8, the bearing 10 is biassed against the inner surface of the hole 8 to prevent accidental removal of the insertion piece.
  • This form of releasable connection is known in the art.
  • the dimensions of the shaft 2 are for example only and those of the lever attachment can be also be changed.
  • the tool 1 and lever attachment 7 are preferably arranged at a position where the lever attachment is not unduly restricted by the aforementioned slim channel.
  • the portion 5 is then engaged with a nut to be rotated, the size of the portion 5 being chosen to fit the particular nut.
  • a turning force is then applied to the lever attachment to rotate the tool 1 to cause the nut to be rotated relative to a bath tap.
  • the steps are repeated.
  • the tool 1 because of the releasable connection, gives flexibility in use since it is possible to add extension pieces 11, one example of which is shown in figure 3.
  • the extension piece 11 comprises a shaft 12 having at one end an insertion element 9 ' for insertion into the hole 8 of the tool 1 and at the other end a hole 8 ' for receiving the insertion element 9 of the lever attachment 7.
  • a shaft 12 having at one end an insertion element 9 ' for insertion into the hole 8 of the tool 1 and at the other end a hole 8 ' for receiving the insertion element 9 of the lever attachment 7.
  • the preferred embodiment of the present invention uses a releasable connection for the tool which is the same as a commonly available socket set. Such a set is probably already in the possession of the user so that compared with the prior art, only the tool of the present invention needs to be purchased.
  • the nature of the releasable connection can take many forms which will be apparent to a person skilled in the art.
  • the tool 1 may also be provided with a detachable substantially hand-sized handle which engages the end 6.
  • a handle may be of a variety of different convenient forms, such as having a transversely extending body portion having a plastics ball at each end thereof, or a flat portion at each end thereof, or an axially extending body portion having a plastics ball at the end thereof remote from the end 6 of the tool 1, or a right-angled body portion having a plastics ball at the end thereof remote from the end 6 of the tool 1.
  • the lever attachment 7 shown in figure 1 comprises a shaft 13 having at one end a through hole 15 into which a grip in the form of a bar 18 is slidably located to be substantially perpendicular to the shaft.
  • the bar has a length in the region of the length of a user's hand although slightly longer or shorter lengths can be used according to the application of the attachment.
  • the other end of the shaft 15 is connected to one side of a ratchet mechanism or slipping clutch 14.
  • the part of the mechanism 14 giving the ratchet function is of a type known per se and will therefore not be described in greater detail.
  • the other side of the ratchet mechanism is connected to the insertion element 9.
  • a turning force applied in one direction to the bar rotates the shaft 13 which rotation is transmitted as a drive rotation of the insertion element 9.
  • An opposing turning force applied to the bar causes the shaft 13 to rotate freely relative to the insertion element 9 so that no drive rotation of the insertion element 9 occurs.
  • the direction of drive and free rotation is selected by a control in the form of a knurled wheel 16 located at the mechanism 14.
  • the mechanism has a casing in which oppositely disposed cut outs 17 are provided to allow access to the wheel 16.
  • the tool 1 and lever attachment 7 are connected together with or without extension pieces as appropriate so as to minimise the difficulty of use.
  • a user then grips the bar 18 in the palm of their hand and engages the portion 5 with a nut to be rotated.
  • the size of the portion 5 of the tool 1 is chosen to fit the particular nut.
  • the user can then manipulate the wheel 16 with fingertips so that the bar 18 can rotate in one direction only relative to the insertion element 9 and hence the shaft 2. Then a turning force is applied to the bar 18 which rotates the portion 5 to cause the nut to be rotated relative to a bath tap.
  • a user gripping the bar can manipulate the wheel 16 by fingertip whilst comfortably gripping the bar 18 and applying a turning force thereto. Since the shaft 13 extends from the palm of the user's hand, it is also possible to directly control the direction of drive without releasing pressure applied to hold the portion 5 over a nut.
  • lever attachment can be changed without departing from the scope of the present invention.
  • wheel 16 can be replaced by a small lever.
  • releasable connection can be disregarded so that the shaft is directly connected to the mechanism 14 so that a single article tool is produced.
  • a tool holding device 20 as shown in figure 4 can be employed.
  • the holding device 20 comprises an engaging means in the form of an elongate shaft 25 with a pair of pivotally attached snap-fit resilient clamps 26 of plastics material located at each end.
  • the length of the shaft 25 is adjustable in known manner by having the shaft split into two portions which can screw into one another by means of a nut 27 so as to shorten or lengthen the shaft.
  • An elongate handle 28 is attached to the shaft 25 by a hinge 29 so as to extend therefrom.
  • a grip 30 is provided at the remote end of the handle 28.
  • the length of the shaft 25 is adjusted such that the spacing of the clamps 26 is slightly less than that of widened portions 22 adjacent the piece 9' and the hole 8' of the extension member 11.
  • the clamps are then snap-fitted to the shaft 12 as shown in figure 4.
  • the extension member 11 is attached to the tool 1 and the lever attachment 7.
  • the grip 30 can then be held by a user with the bar 18 now located sufficiently far from the confined space around the nut to be rotated without hindrance. It will be appreciated that various modifications of the holding device are possible.
  • the handle 28 of the holding device 20 may be attached to the shaft 25 by any suitable rotatable attachment such as a ball joint, or the clamp means 26 may be replaced by screw clamps or a single clamp, shown at 31 in figure 4 which has a pivot point 32 for attachment to a handle member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Table Equipment (AREA)

Abstract

Outil (1) de montage de robinets. Il comporte une tige (2) possédant une partie à tête non annulaire (3, 4) montée à l'une des extrémités de la tige et destinée à coulisser pour entrer en prise avec un écrou à faire tourner, tandis que l'autre extrémité de la tige possède une douille (8). La douille (8) peut recevoir l'élément d'insertion (9) d'un ensemble à levier (7) servant à imprimer un mouvement rotatif à la tige (2). L'élément d'insertion (9) est monté sur une face d'un mécanisme à cliquet (14) dont l'autre face est reliée à une tige (13) pourvue d'une barre coulissante à empoigner (18). Le mécanisme à cliquet possède une roue moletée (16) apte à être manipulée par la main de l'utilisateur lorsqu'il la place sur la poignée, afin de permettre la commande sélective du sens du mouvement rotatif imprimé.
PCT/GB1992/002156 1991-11-20 1992-11-20 Outil de montage de robinets WO1993009852A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9424779A GB2286141B (en) 1991-11-20 1992-11-20 Tap fixing tool

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9124552.2 1991-11-20
GB919124552A GB9124552D0 (en) 1991-11-20 1991-11-20 Tap fixing tool

Publications (2)

Publication Number Publication Date
WO1993009852A2 true WO1993009852A2 (fr) 1993-05-27
WO1993009852A3 WO1993009852A3 (fr) 1993-07-08

Family

ID=10704863

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1992/002156 WO1993009852A2 (fr) 1991-11-20 1992-11-20 Outil de montage de robinets

Country Status (3)

Country Link
AU (1) AU2950292A (fr)
GB (2) GB9124552D0 (fr)
WO (1) WO1993009852A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2451859A (en) * 2007-08-15 2009-02-18 David James Evans Bath and wash basin (sink) faucet/tap wrench

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2443475A (en) * 2006-10-31 2008-05-07 Armeg Ltd Tap spanner

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842182A (en) * 1957-10-04 1960-07-20 Tayfield Engineering Co Ltd Extension handle for a decorator's paint roller, brush or like appliance
US4344340A (en) * 1980-10-20 1982-08-17 Wayne Erickson Extensible socket wrench
DE3136050A1 (de) * 1981-09-11 1983-03-24 Bernhard von 6200 Wiesbaden Niessen "formschluessel fuer besondere zwecke"
DE3210039A1 (de) * 1982-03-19 1983-09-22 Karl 7022 Leinfelden-Echterdingen Huzel Mutternschluessel
DE9016756U1 (fr) * 1990-12-11 1991-02-28 Lin, Chien-Lang, Tu Cheng Hsiang, Taipei, Tw
US5033337A (en) * 1990-11-20 1991-07-23 Thomas Iii David W Extension element for use with wrench-type hand tools

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842182A (en) * 1957-10-04 1960-07-20 Tayfield Engineering Co Ltd Extension handle for a decorator's paint roller, brush or like appliance
US4344340A (en) * 1980-10-20 1982-08-17 Wayne Erickson Extensible socket wrench
DE3136050A1 (de) * 1981-09-11 1983-03-24 Bernhard von 6200 Wiesbaden Niessen "formschluessel fuer besondere zwecke"
DE3210039A1 (de) * 1982-03-19 1983-09-22 Karl 7022 Leinfelden-Echterdingen Huzel Mutternschluessel
US5033337A (en) * 1990-11-20 1991-07-23 Thomas Iii David W Extension element for use with wrench-type hand tools
DE9016756U1 (fr) * 1990-12-11 1991-02-28 Lin, Chien-Lang, Tu Cheng Hsiang, Taipei, Tw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2451859A (en) * 2007-08-15 2009-02-18 David James Evans Bath and wash basin (sink) faucet/tap wrench

Also Published As

Publication number Publication date
GB2286141B (en) 1996-05-22
WO1993009852A3 (fr) 1993-07-08
GB2286141A (en) 1995-08-09
GB9124552D0 (en) 1992-01-08
AU2950292A (en) 1993-06-15
GB9424779D0 (en) 1995-02-08

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