WO1993014687A1 - A connector - Google Patents

A connector Download PDF

Info

Publication number
WO1993014687A1
WO1993014687A1 PCT/GB1993/000156 GB9300156W WO9314687A1 WO 1993014687 A1 WO1993014687 A1 WO 1993014687A1 GB 9300156 W GB9300156 W GB 9300156W WO 9314687 A1 WO9314687 A1 WO 9314687A1
Authority
WO
WIPO (PCT)
Prior art keywords
boss
connector
pole
ribs
male portion
Prior art date
Application number
PCT/GB1993/000156
Other languages
French (fr)
Inventor
Christopher Russell Jones
Original Assignee
Logicbrave Limited
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 Logicbrave Limited filed Critical Logicbrave Limited
Priority to GB9414274A priority Critical patent/GB2277901B/en
Publication of WO1993014687A1 publication Critical patent/WO1993014687A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/20—Mops
    • A47L13/24—Frames for mops; Mop heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/02—Socket, tang, or like fixings
    • B25G3/10—Socket, tang, or like fixings with elastic, taper, or other self-grip socket or tang

Definitions

  • This invention relates to a connector particularly but not exclusively for a cleaning mop.
  • European Patent Application No. 90301531.1 Publication No.
  • 0383552 discloses an attachment device for connecting a pole handle ( to a mop head.
  • the attachment device comprises a collar connected to a boss.
  • the interior surface of the boss has a series of tapered ribs which extend axially, increasing in depth towards the collar.
  • the boss comprises a number of longitudinal slots bridged by U-shaped bridge portions. A pole is inserted into the boss.
  • the bridged slots allow the diameter of the boss to be elastically expanded to accommodate poles of differing diameters.
  • the ribs of the boss interior engage the pole in a permanent fixing relationship preventing relative motion between the pole and the boss.
  • a connector for poles comprising a female connector portion having a ⁇ boss into which the pole is secured, the inner surface of the boss having a longitudinal rib, characterised in that the connector
  • % comprises a male portion designed to receive said rib in resilient engagement.
  • the boss has a plurality of said ribs to enable a secure connection between the male and female portion.
  • the male portion may have at least one projection which locates in a corresponding channel in the boss.
  • the insertion of the male portion into the boss causes the channel to be deformed by the projection which may be tapered. This results in the boss being contracted radially inwards to give a more secure connection between the male portion and the rib or ribs.
  • the male portion has three eq i- spaced projections which locate in corresponding channels.
  • the projections are formed along the longitudinal length of the male connector parallel to the longitudinal axis of the pole and are tapered in the longitudinal direction.
  • Figure 1 is a perspective scrap view of a cleaning mop with a first embodiment of a connection device according to the present invention
  • Figure 2 is a cross sectional view of a female portion of the connection device of figure 1;
  • Figure 3 is a perspective view of a mop assembled from the components shown in Figure 1;
  • Figure 4 is a view showing an end of a male portion of a second embodiment of the present invention.
  • Figure 5 is a part sectioned side view of Figure 4.
  • a pole 1 which is connectable to a cleaning mop head 2.
  • the pole carries a male connector 3 and the mop head 2 has a female connector portion 4.
  • the female connector portion comprises a downwardly inclined collar 5 to one side of which are attached the yarns 6 of a mop.
  • the manner of attaching the mop yarns 6 is known in the art and is not pertinent to the present invention.
  • the other side of the collar 5 is fixed to an end of a boss 7.
  • the boss 7 is substantially cylindrical having an interior into which the male portion 3 of the connector is received.
  • the wall of the boss has three longitudinal slots 8 therein- each bridged by an arcuate outwardly protruding rib 9.
  • the t ic ⁇ mrsr * - ⁇ scfr bridging- ri 9 is substantially less than that of the boss wall. As described in European Application No. 90301531.1 this arrangement allows the diameter of the boss to expand to accommodate poles of various diameters. f
  • the interior of the boss has a series of axially extending ribs j 10 along the length of the wall.
  • the ribs 10 each project inwardly towards the central axis of the boss 7. At a point approximately two thirds of the length of boss 7 from the open end the ribs 10 taper outwardly from the boss 7 wall.
  • the ribs 10 may increase in cross sectional area towards the collar 5 end of the boss 7.
  • the ribs 10 may taper gradually from the open end to the collar 5 end of the boss 7.
  • the male portion 3 comprises two spigots (one hidden) separated by a radially outwardly extending flange 11.
  • a first spigot (hidden) is inserted into a hollow end of the pole 1 until the flange 11 abuts the pole 1 end, and is fixed to the pole 1 by means of a rivet 12.
  • a second spigot 13 is designed to releasably engage with the boss 7.
  • the male portion 3 can be fixed to the pole 1 in any conventional manner or it may be formed in the end of the pole 1 itself.
  • the second spigot 13 has a substantially cylindrical main body and a inwardly tapering hollow end 14.
  • the main body of the second spigot 13 has a series of longitudinal channels 15 formed on its surface and a single protruding rib 16 parallel to said channels 15.
  • Aligned with the channels 15 are slots 17 formed in the tapered end of the spigot 13.
  • the slots 17 themselves are tapered in depth such that they increase in depth towards the free end of the spigot 15 and cut right through the wall of the hollow end 14 at about halfway along its length.
  • the male connector 3 of the pole 1 is inserted into the boss 7 of the mop head 2 by aligning the rib 16 on the male connector 3 with one of the slots 8 in the boss 7.
  • the ribs 10 on the interior of the boss 7 engage in the slots 17 provided in the tapered end 14 of the male connector 3.
  • the flange 11 abuts the end of boss 7 and covers it completely to prevent dirt from becoming trapped in the connector arrangement.
  • the slotted arrangement allows the end 14 of the male connector 3 to expand slightly to accommodate the ribs 10 and then to contract over them in resilient engagement.
  • secure engagement is effected by both frictional and gripping forces between the ribs 10 and slots 17.
  • To separate the pole 1 from the head 2 one merely has to pull them apart. The engagement is sufficiently secure to obviate the need for a nail or the like to be hammered through the pole and head to connect the two.
  • a second embodiment of the male portion 3 ' is shown in Figure 4. It is used with the same female portion 4 and mop head 2. As described above a first spigot (hidden) is inserted into the hollow end of the pole 1 until a flange 11' abuts the pole end. However, the second spigot is of a slightly different design whilst still using the same principle as the design of the first embodiment.
  • the second spigot 30 is substantially tubular with three longitudinal ribs 31 designed to locate in the three slots 8 of the boss 7. Sides 32 of the ribs 31 taper inwardly away from the pole 1. On the inside surface of the male portion 3' slots 33 are formed in the ribs 31 to provide the male portion 3' with a degree of resilience.
  • the male portion 3' of the connector is inserted into the boss 7 of the female portion 4 by aligning the ribs 31 on the male portion 3' with the slots 8 in the boss 7.
  • the ribs 31 push the bridging ribs 9 radially and circumferentially outwards.
  • the taper on each rib 31 helps this action.
  • the bridging ribs 9 are deformed by the longitudinal ribs 31 and the walls of the boss 7 are caused to contract radially inwardly. This results in the ribs 10 of the boss 7 gripping the male portion 3' tighter in resilient frictional engagement.
  • There are three ribs 10 of the female portion 4 located between each longitudinal rib 31 of the male portion 3'. The engagement is sufficiently secure to obviate the need for a nail or the like to be hammered through the pole 1 and head 2 to connect the two.
  • the invention as described has particular application to cleaning environments which require different mop heads to be used in different areas to prevent cross contamination as in, for example, a hospital.
  • a single pole can be purchased with a set of interchangeable mop heads, one for each area.
  • a mop head can be removed from a pole without deformation of the ribs so that it can be cleaned and disinfected for re-use.
  • the arrangement described above allows the mop head to be removed from or connected to the pole quickly and easily for sterilization.
  • the mop heads and handles may be colour coded so as to indicate which designated cleaning area they are intended for.
  • application of the present invention is not limited to mops but can be used in any application where a pole-like item has to be releasably connected to -another object.

Abstract

A connector for poles having a male connector (3) portion attached to an end of the pole (1) and a female portion (4) attached to, for example a mop head (2). The female portion has a boss (7) into which the male portion can be inserted. The interior of the boss has a plurality of tapered ribs (10) which engage in a resilient manner with the male portion. The male portion has ribs which deform channels in the female portion. The deformation of the channels causes the boss to contract. The connector provides a releasable connection for a mop. The mop head can be easily removed and discarded after cleaning.

Description

A CONNECTOR
This invention relates to a connector particularly but not exclusively for a cleaning mop. ^ European Patent Application No. 90301531.1 (Publication No.
0383552) discloses an attachment device for connecting a pole handle ( to a mop head. The attachment device comprises a collar connected to a boss. The interior surface of the boss has a series of tapered ribs which extend axially, increasing in depth towards the collar. The boss comprises a number of longitudinal slots bridged by U-shaped bridge portions. A pole is inserted into the boss. The bridged slots allow the diameter of the boss to be elastically expanded to accommodate poles of differing diameters. The ribs of the boss interior engage the pole in a permanent fixing relationship preventing relative motion between the pole and the boss.
In certain environments, for example hospitals, different mops have to be used in different areas to prevent cross-contamination. In addition, mop heads have to be sterilized regularly. It is necessary to be able to remove a mop head to sterilize it or to swap it with another designated for a different cleaning area. The above arrangement has the disadvantage that it is often difficult to connect it to and remove it from the handle. A user of such a mop may waste time in trying to remove or connect the head to the handle and often has to touch parts of the mop head which may be contaminated. Furthermore, if the mop head can be removed from the handle the ribs are generally deformed such that the head cannot be re-used.
Accordingly, it is an object of the present invention to provide a removable connector arrangement between a mop head and a pole, using an attachment device of the type described in European Patent Application No.90301531.1.
According to the present invention there is provided a connector for poles comprising a female connector portion having a ψ boss into which the pole is secured, the inner surface of the boss having a longitudinal rib, characterised in that the connector
% comprises a male portion designed to receive said rib in resilient engagement. Preferably the boss has a plurality of said ribs to enable a secure connection between the male and female portion.
The male portion may have at least one projection which locates in a corresponding channel in the boss. The insertion of the male portion into the boss causes the channel to be deformed by the projection which may be tapered. This results in the boss being contracted radially inwards to give a more secure connection between the male portion and the rib or ribs.
In a preferred embodiment the male portion has three eq i- spaced projections which locate in corresponding channels.
The projections are formed along the longitudinal length of the male connector parallel to the longitudinal axis of the pole and are tapered in the longitudinal direction.
Embodiments of the present invention will now be described with reference to the accompanying drawings, in which:
Figure 1 is a perspective scrap view of a cleaning mop with a first embodiment of a connection device according to the present invention;
Figure 2 is a cross sectional view of a female portion of the connection device of figure 1;
Figure 3 is a perspective view of a mop assembled from the components shown in Figure 1;
Figure 4 is a view showing an end of a male portion of a second embodiment of the present invention; and
Figure 5 is a part sectioned side view of Figure 4.
Referring now to the drawings, a pole 1 is shown which is connectable to a cleaning mop head 2. The pole carries a male connector 3 and the mop head 2 has a female connector portion 4. The female connector portion comprises a downwardly inclined collar 5 to one side of which are attached the yarns 6 of a mop. The manner of attaching the mop yarns 6 is known in the art and is not pertinent to the present invention. The other side of the collar 5 is fixed to an end of a boss 7.
The boss 7 is substantially cylindrical having an interior into which the male portion 3 of the connector is received. The wall of the boss has three longitudinal slots 8 therein- each bridged by an arcuate outwardly protruding rib 9. The t icϊmrsr * -^scfr bridging- ri 9 is substantially less than that of the boss wall. As described in European Application No. 90301531.1 this arrangement allows the diameter of the boss to expand to accommodate poles of various diameters. f
The interior of the boss has a series of axially extending ribs j 10 along the length of the wall. The ribs 10 each project inwardly towards the central axis of the boss 7. At a point approximately two thirds of the length of boss 7 from the open end the ribs 10 taper outwardly from the boss 7 wall. In addition the ribs 10 may increase in cross sectional area towards the collar 5 end of the boss 7. In an alternative embodiment the ribs 10 may taper gradually from the open end to the collar 5 end of the boss 7.
In the embodiment shown in Figure 1 the male portion 3 comprises two spigots (one hidden) separated by a radially outwardly extending flange 11. A first spigot (hidden) is inserted into a hollow end of the pole 1 until the flange 11 abuts the pole 1 end, and is fixed to the pole 1 by means of a rivet 12. A second spigot 13 is designed to releasably engage with the boss 7. Of course it is to be understood that the male portion 3 can be fixed to the pole 1 in any conventional manner or it may be formed in the end of the pole 1 itself.
The second spigot 13 has a substantially cylindrical main body and a inwardly tapering hollow end 14. The main body of the second spigot 13 has a series of longitudinal channels 15 formed on its surface and a single protruding rib 16 parallel to said channels 15. Aligned with the channels 15 are slots 17 formed in the tapered end of the spigot 13. The slots 17 themselves are tapered in depth such that they increase in depth towards the free end of the spigot 15 and cut right through the wall of the hollow end 14 at about halfway along its length.
In use, the male connector 3 of the pole 1 is inserted into the boss 7 of the mop head 2 by aligning the rib 16 on the male connector 3 with one of the slots 8 in the boss 7. By pushing the pole 1 all the t way into the boss 7 the ribs 10 on the interior of the boss 7 engage in the slots 17 provided in the tapered end 14 of the male connector 3. In this position the flange 11 abuts the end of boss 7 and covers it completely to prevent dirt from becoming trapped in the connector arrangement. The slotted arrangement allows the end 14 of the male connector 3 to expand slightly to accommodate the ribs 10 and then to contract over them in resilient engagement. Thus secure engagement is effected by both frictional and gripping forces between the ribs 10 and slots 17. To separate the pole 1 from the head 2 one merely has to pull them apart. The engagement is sufficiently secure to obviate the need for a nail or the like to be hammered through the pole and head to connect the two.
A second embodiment of the male portion 3 'is shown in Figure 4. It is used with the same female portion 4 and mop head 2. As described above a first spigot (hidden) is inserted into the hollow end of the pole 1 until a flange 11' abuts the pole end. However, the second spigot is of a slightly different design whilst still using the same principle as the design of the first embodiment.
The second spigot 30 is substantially tubular with three longitudinal ribs 31 designed to locate in the three slots 8 of the boss 7. Sides 32 of the ribs 31 taper inwardly away from the pole 1. On the inside surface of the male portion 3' slots 33 are formed in the ribs 31 to provide the male portion 3' with a degree of resilience.
In use the male portion 3' of the connector is inserted into the boss 7 of the female portion 4 by aligning the ribs 31 on the male portion 3' with the slots 8 in the boss 7. By pushing the pole 1 into the boss 7 the ribs 31 push the bridging ribs 9 radially and circumferentially outwards. The taper on each rib 31 helps this action. The bridging ribs 9 are deformed by the longitudinal ribs 31 and the walls of the boss 7 are caused to contract radially inwardly. This results in the ribs 10 of the boss 7 gripping the male portion 3' tighter in resilient frictional engagement. There are three ribs 10 of the female portion 4 located between each longitudinal rib 31 of the male portion 3'. The engagement is sufficiently secure to obviate the need for a nail or the like to be hammered through the pole 1 and head 2 to connect the two.
It will be appreciated that the important factor in the connector is resilient engagement of the ribs 10 of the boss with the male portion 3, 3'of the connector and this is achieved by the deformability of the walls of the boss 7.
The invention as described has particular application to cleaning environments which require different mop heads to be used in different areas to prevent cross contamination as in, for example, a hospital. Instead of having to keep a set of mops, a single pole can be purchased with a set of interchangeable mop heads, one for each area. Additionally, a mop head can be removed from a pole without deformation of the ribs so that it can be cleaned and disinfected for re-use.
The arrangement described above allows the mop head to be removed from or connected to the pole quickly and easily for sterilization.
The mop heads and handles may be colour coded so as to indicate which designated cleaning area they are intended for.
It is to be understood that application of the present invention is not limited to mops but can be used in any application where a pole-like item has to be releasably connected to -another object.

Claims

1. A connector for poles comprising a female connector portion having a boss into which the pole is secured, the inner surface of the boss having a longitudinal rib, characterised in that the connector comprises a male portion designed to receive said rib in resilient engagement.
2. A connector according to claim 1 wherein the boss has a plurality of said ribs.
3. A connector according to claim 1 or 2, wherein the male portion has at least one projection which locates in a corresponding channel in the boss.
4. A connector according to claim 3, wherein the insertion of the male portion into the female portion causes deformation of the channel by the projection such that the boss contracts radially inwardly onto the male connector.
5. A connector according to claim 3 or 4, wherein there are three equi-spaced projections which locate in corresponding channels in the boss.
6. A connector according to claim 3, 4 or 5, wherein the projection is formed along the length of the male portion parallel to the longitudinal axis of the pole and has a longitudinal taper on its surface.
7. A connector according to any preceding claim, wherein the ribs are tapered.
8. A connector according to any of claims 3 to 7, wherein the male portion is hollow and the projection is slotted to provide flexible resilience.
9. A mop comprising a mop head and a pole characterised in that there is provided a connector according to any preceding claim.
PCT/GB1993/000156 1992-01-25 1993-01-25 A connector WO1993014687A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9414274A GB2277901B (en) 1992-01-25 1993-01-25 A connector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9201638.5 1992-01-25
GB929201638A GB9201638D0 (en) 1992-01-25 1992-01-25 A connector

Publications (1)

Publication Number Publication Date
WO1993014687A1 true WO1993014687A1 (en) 1993-08-05

Family

ID=10709261

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1993/000156 WO1993014687A1 (en) 1992-01-25 1993-01-25 A connector

Country Status (3)

Country Link
AU (1) AU3363493A (en)
GB (2) GB9201638D0 (en)
WO (1) WO1993014687A1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996008194A1 (en) * 1994-09-16 1996-03-21 Unilever Plc Mops
US5911258A (en) * 1996-11-18 1999-06-15 Worldwide Integrated Resources, Inc. Apparatus for connecting a broom head and a broom handle
US6018841A (en) * 1993-03-02 2000-02-01 Marshalltowntrowel Company Finishing trowel including handle
US6023812A (en) * 1996-11-18 2000-02-15 Worldwide Integrated Resources, Inc. Dustpan apparatus
US6368318B1 (en) 1998-01-23 2002-04-09 The Regents Of The University Of California Opto-acoustic recanilization delivery system
WO2003024295A1 (en) * 2001-09-20 2003-03-27 The Procter & Gamble Company Cleaning implement
WO2011086181A1 (en) * 2010-01-18 2011-07-21 Neolix Sas Dentistry instruments including an inseparable assembly of two components, one male and the other female, and corresponding technique for assembling the two male/female components
US7984528B2 (en) * 2007-11-02 2011-07-26 Freudenberg Household Products Lp Cleaning implement
EP2505318B1 (en) * 2011-03-28 2016-04-27 TRIUSO-Qualitätswerkzeuge GmbH Handle adapter for a hand tool
WO2019038572A1 (en) * 2017-08-23 2019-02-28 Vebato Gmbh Electric muck-out fork

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2316035B (en) * 1994-12-08 1998-04-22 Marshalltown Trowel Co Finishing trowel handle

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB141180A (en) * 1919-03-27 1920-04-15 Entwisle & Kenyon Ltd Improvements in handles for carpet sweepers, vacuum cleaners and similar machines
US3052907A (en) * 1960-04-18 1962-09-11 Brooklyn Fibre Broom Co Inc Broom handle adaptor
US3601836A (en) * 1969-04-03 1971-08-31 Juan Gunfaus Mop
US3752202A (en) * 1972-02-22 1973-08-14 Vaco Products Co Hand fastener driving tool
GB2058647A (en) * 1979-09-20 1981-04-15 Coronet Metallfab Gmbh Handle of round tube for brooms and the like
US4722634A (en) * 1985-10-03 1988-02-02 Malish Terrance J Adapter device for brooms or the like
EP0383552A1 (en) * 1989-02-15 1990-08-22 Harold Watson Limited Attachment device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB141180A (en) * 1919-03-27 1920-04-15 Entwisle & Kenyon Ltd Improvements in handles for carpet sweepers, vacuum cleaners and similar machines
US3052907A (en) * 1960-04-18 1962-09-11 Brooklyn Fibre Broom Co Inc Broom handle adaptor
US3601836A (en) * 1969-04-03 1971-08-31 Juan Gunfaus Mop
US3752202A (en) * 1972-02-22 1973-08-14 Vaco Products Co Hand fastener driving tool
GB2058647A (en) * 1979-09-20 1981-04-15 Coronet Metallfab Gmbh Handle of round tube for brooms and the like
US4722634A (en) * 1985-10-03 1988-02-02 Malish Terrance J Adapter device for brooms or the like
EP0383552A1 (en) * 1989-02-15 1990-08-22 Harold Watson Limited Attachment device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6018841A (en) * 1993-03-02 2000-02-01 Marshalltowntrowel Company Finishing trowel including handle
WO1996008194A1 (en) * 1994-09-16 1996-03-21 Unilever Plc Mops
US5911258A (en) * 1996-11-18 1999-06-15 Worldwide Integrated Resources, Inc. Apparatus for connecting a broom head and a broom handle
US6023812A (en) * 1996-11-18 2000-02-15 Worldwide Integrated Resources, Inc. Dustpan apparatus
US6368318B1 (en) 1998-01-23 2002-04-09 The Regents Of The University Of California Opto-acoustic recanilization delivery system
WO2003024295A1 (en) * 2001-09-20 2003-03-27 The Procter & Gamble Company Cleaning implement
US7984528B2 (en) * 2007-11-02 2011-07-26 Freudenberg Household Products Lp Cleaning implement
WO2011086181A1 (en) * 2010-01-18 2011-07-21 Neolix Sas Dentistry instruments including an inseparable assembly of two components, one male and the other female, and corresponding technique for assembling the two male/female components
FR2955244A1 (en) * 2010-01-18 2011-07-22 Neolix ODONTOLOGY INSTRUMENT COMPRISING AN UNEMPLOYABLE ASSEMBLY OF TWO COMPONENTS, ONE MALE AND THE OTHER FEMALE, AND TECHNIQUE OF ASSEMBLIES OF TWO COMPONENTS MALE / FEMALE CORRESPONDING
EP2505318B1 (en) * 2011-03-28 2016-04-27 TRIUSO-Qualitätswerkzeuge GmbH Handle adapter for a hand tool
WO2019038572A1 (en) * 2017-08-23 2019-02-28 Vebato Gmbh Electric muck-out fork
US11240989B2 (en) 2017-08-23 2022-02-08 Vebato Gmbh Electric muck-out fork

Also Published As

Publication number Publication date
GB9201638D0 (en) 1992-03-11
GB9414274D0 (en) 1994-08-31
AU3363493A (en) 1993-09-01
GB2277901A (en) 1994-11-16
GB2277901B (en) 1995-05-24

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