GB2620070A - Surface treatment tool - Google Patents

Surface treatment tool Download PDF

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Publication number
GB2620070A
GB2620070A GB2315445.3A GB202315445A GB2620070A GB 2620070 A GB2620070 A GB 2620070A GB 202315445 A GB202315445 A GB 202315445A GB 2620070 A GB2620070 A GB 2620070A
Authority
GB
United Kingdom
Prior art keywords
surface treatment
optionally
treatment
treated
head
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.)
Pending
Application number
GB2315445.3A
Inventor
Killi Imre
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.)
Dextron Technology Ltd
Original Assignee
Dextron Technology Ltd
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
Priority claimed from GB2104339.3A external-priority patent/GB2606134B/en
Application filed by Dextron Technology Ltd filed Critical Dextron Technology Ltd
Publication of GB2620070A publication Critical patent/GB2620070A/en
Pending legal-status Critical Current

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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/307—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having reciprocating tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/26—Floor-scrubbing machines, hand-driven
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • A47L11/305—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools the tools being disc brushes
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4075—Handles; levers
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits

Landscapes

  • Cleaning In General (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Golf Clubs (AREA)

Abstract

A surface treatment tool (200) comprising an elongate body (202). The elongate body (202) comprises a first end (204) having a handle (206) with a first handgrip portion (208a) and a second end (210) distal the first end (204) configured to be coupled a surface treatment head (10). The surface treatment tool (200) also comprises a fluid outlet (212) configured to apply fluid to a surface S to be treated, and a surface treatment head (10) configured to engage a surface S to be treated and comprising a suction region (106) configured to suck fluid from a surface S to be treated. The elongate body (202) comprises: a fluid tank (214) in fluid (10) communication with the fluid outlet (212); a waste tank (216A) in fluid communication with the suction region (106) and configured to collect fluid removed from a surface S to be treated via the suction region (106); and a power source (218) configured to supply power to the surface treatment tool (200).

Claims (72)

1. A surface treatment tool comprising : an elongate body comprising a first end having a handle with a handgrip portion and a second end distal the first end configured to be coupled a surface treatment head; a fluid outlet configured to apply fluid to a surface to be treated; and a surface treatment head configured to engage a surface to be treated and comprising a suction region configured to suck fluid from a surface to be treated; wherein the elongate body comprises: a fluid tank in fluid communication with the fluid outlet; a waste tank in fluid communication with the suction region and configured to collect fluid removed from a surface to be treated via the suction region; a power source configured to supply power to the surface treatment tool; and a suction source for sucking fluid and/or debris from the suction region to the waste tank.
2. The surface treatment tool of claim 1, wherein the elongate body comprises a spine defining a longitudinal axis extending between the first end and the second end of the elongate body, optionally wherein the fluid tank and/or the waste tank and/or the power source is coupled to the spine; optionally wherein the fluid tank and/or the waste tank and/or the power source is removably coupled to the spine.
3. The surface treatment tool of claim 2, wherein the fluid tank is shaped to wrap around at least a portion of the spine, and/or wherein the waste tank is shaped to wrap around at least a portion of the spine; optionally wherein the power source is located proximal the spine; optionally wherein the fluid tank is shaped to wrap around at least a portion of the power source and/or wherein the waste tank is shaped to wrap around at least a portion of the power source.
4. The surface treatment tool of claim 2 or 3, wherein at least two of the fluid tank, the waste tank and the power source are coupled to the spine such that the bulk of said two components is located at a first side of the spine, optionally wherein the first side corresponds to a treatment direction when the surface treatment tool is in normal use.
5. The surface treatment tool of any of claims 2 to 4, wherein the handgrip portion is an elongate handle comprising a longitudinal axis which is substantially parallel to the longitudinal body of the elongate body, optionally wherein the longitudinal axis of the elongate handle is coaxial with the longitudinal axis of the elongate body.
6. The surface treatment tool of any of claims 2 to 5, wherein the spine comprises an interior profile configured to carry: a fluid supply path arranged to couple the fluid outlet with the fluid tank, and/or a waste removal path arranged to couple the suction region to the waste tank, and/or a power supply line arranged to carry power from the power source to the surface treatment head; optionally wherein the spine comprises an interior profile defining a volume forming to at least part of the fluid supply path, and/or wherein the spine comprises a profile defining a volume forming to at least part of the waste removal path.
7. The surface treatment tool of any preceding claim, wherein the elongate body is coupled to the surface treatment head via coupling, wherein the coupling comprises a joint arrangement comprising a first axis and a second axis perpendicular to the first rotational axis; optionally, wherein the first rotational axis intersects the second rotational axis; optionally wherein the coupling is offset from the longitudinal axis of the elongate body.
8. The surface treatment tool of any preceding claim, wherein a rear edge the surface treatment head with respect to a treatment direction of the surface treatment tool comprises a first end, a second end and a middle portion located between the first and second ends, wherein the middle portion of the rear edge projects rearward of the first and second ends with respect to a treatment direction of the surface treatment head.
9. The surface treatment tool of claim 8, where wherein the surface treatment head comprises at least a portion comprising a curved shaped profile in plan view; and/or wherein the surface treatment head comprises at least a portion comprising a substantially V-shaped profile in plan view.
10. The surface treatment tool of claim 8 or 9, wherein the surface treatment head comprises a front edge with respect to the treatment direction, and wherein at least one of the front edge and the rear edge are at least partially curved or V-shaped.
11. The surface treatment tool of any preceding claim, wherein the surface treatment head comprises a moveable surface treatment element configured to engage a surface to be treated and a driving means comprising a motor configured to drive the movable surface treatment element; optionally wherein the driving means comprises an eccentric drive mechanism, wherein the motor is coupled to the moveable surface treatment element via the eccentric drive mechanism so that the moveable surface treatment element engages a surface to be treated in a cyclical motion such that a portion of the moveable surface treatment element faces in the same direction throughout the cyclical motion.
12. The surface treatment tool of claim 11, wherein the suction region is provided proximal the movable surface treatment element; optionally, wherein the suction region is provided to a rear of the movable surface treatment element with respect to a treatment direction of the surface treatment tool.
13. The surface treatment tool of any preceding claim, wherein the suction region is defined by one or more resilient guide members; optionally, wherein the profile of the or each resilient guide member(s) is complementary to the profile of the or a movable surface treatment element; optionally wherein the resilient guide members comprise a first resilient guide member provided proximal the or a movable surface treatment element, optionally wherein the first resilient guide member is shaped to form openings when in use to permit fluid to enter said suction region when the surface treatment tool is moved in a treatment direction; optionally wherein the suction region is defined, at least in part, by first and second resilient guide members.
14. A surface treatment tool comprising : an elongate body comprising a first end having a handle with a handgrip portion and a second end distal the first end configured to be coupled a surface treatment head; a fluid outlet configured to apply fluid to a surface to be treated; and a surface treatment head comprising a chassis configured to be coupled to a treatment portion arranged to engage a surface to be treated when in use, the surface treatment head comprising a suction region configured to suck fluid from a surface to be treated; wherein the elongate body comprises: a fluid tank in fluid communication with the fluid outlet; a waste tank in fluid communication with the suction region and configured to collect fluid removed from a surface to be treated via the suction region; and a power source configured to supply power to the surface treatment tool.
15. A surface treatment tool comprising: an elongate body comprising a first end having a handle with a first handgrip portion and a second end distal the first end configured to be coupled a surface treatment head; and a surface treatment head comprising a chassis configured to be coupled to a treatment portion arranged to engage a surface to be treated when in use; wherein the elongate body comprises a second handgrip portion spaced apart from the first handgrip portion.
16. A surface treatment tool according to claim 16, wherein the first and second handgrip portions are spaced apart by 70cm or less, for example between 10 and 50cm, for example between 20 and 30 cm, e.g. 25cm.
17. A surface treatment tool according to claim 16 or 17, wherein the first handgrip portion and the second handgrip portion are substantially parallel to each other, e.g. co-axial.
18. A surface treatment head for a surface treatment tool, the surface treatment head comprising : a first treatment component having a first surface treatment element configured to engage a surface to be treated; a second treatment component having a second surface treatment element configured to engage said surface to be treated; and a bracket arrangement configured to couple the first and second treatment components together; and wherein the bracket arrangement is configured such that when a load is applied to the bracket arrangement, the load is distributed between the first and second treatment components and applied to said surface to be treated.
19. The surface treatment head of claim 18, wherein the first treatment component comprises a body and the first treatment element is a movable surface treatment element configured for movement with respect to the body, optionally wherein the first treatment component comprises a driving means configured to drive the movable surface treatment element to effect treatment of said surface to be treated; and/or wherein the second treatment element comprises a suction region configured to suck fluid from said surface to be treated; optionally, wherein the suction region is defined by one or more resilient members, the one or more resilient members comprising front and rear elongate squeegee blades.
20. The surface treatment head of claim 18 or 19, wherein the bracket arrangement is configured such that when a load is applied to the bracket arrangement a first predetermined amount of said load is applied to the first treatment component and a second predetermined amount of said load is applied to the second treatment component; wherein the first predetermined amount is in the range of 30 to 70%, optionally 40 to 60%, optionally 45% to 55%, of the total load applied to the bracket arrangement; and/or wherein the second predetermined amount is in the range of 30 to 70%, optionally 40 to 60%, optionally 45% to 55% of the total load applied to the bracket arrangement.
21. The surface treatment head of any of claims 18 to 20, wherein the entire load applied to the bracket arrangement is transferred to the first and second treatment elements.
22. The surface treatment head of any of claims 18 to 21, wherein the bracket arrangement is configured to couple the first and second treatment components together such that relative movement therebetween is permitted; optionally wherein the bracket arrangement is configured to couple the first and second treatment components together such that relative movement therebetween is permitted in a direction perpendicular to the surface to be treated.
23. The surface treatment head of claim 22, wherein the first treatment component is pivotally coupled to the bracket arrangement and/or wherein the second treatment component is pivotally coupled to the bracket arrangement; optionally wherein the bracket arrangement is configured to be pivotally coupled to an elongate body, and both of the first and second treatment components are pivotally coupled to the bracket arrangement such that relative linear movement between the first and second treatment components is permitted.
24. The surface treatment head of claim 22 or 23, wherein the surface treatment head comprises a limiting mechanism configured to limit relative movement between the first and second treatment components; optionally, wherein the limiting mechanism is adjustable.
25. The surface treatment head of claim 24, wherein the bracket arrangement comprises a first connection structure pivotally coupled to the first treatment component, wherein the first connection structure and first treatment component are configured to interact to define a permitted range of movement therebetween, and/or a second connection structure pivotally coupled to the second treatment component, wherein the second connection structure and second treatment component are configured to interact to define a permitted range of movement therebetween; optionally wherein the first treatment component comprises one or more abutment surfaces configured to abut the first connection arrangement to limit relative movement between the first treatment component and the bracket arrangement, optionally, wherein the one or more abutment surfaces of the first treatment component comprise two abutment surfaces configured to abut opposing sides of the first connection structure to define a maximum and minimum of the permitted range of movement; optionally wherein the second treatment component comprises one or more abutment surfaces configured to abut the second connection arrangement to limit relative movement between the second treatment component and the bracket arrangement, optionally, wherein the one or more abutment surfaces of the second treatment component comprise two abutment surfaces configured to abut opposing sides of the second connection structure to define a maximum and minimum of the permitted range of movement.
26. The surface treatment head of claim 25, wherein each abutment surface is angled relative to a surface contact plane defined by the respective surface treatment element; optionally wherein at least one abutment surface is movable to adjust the extent to which the respective treatment component is free to pivot with respect to the bracket arrangement; optionally, wherein a distance between said abutment surface and the respective connection structure is adjustable; and/or optionally, wherein an angle of said abutment surface relative to a surface contact plane defined by the respective surface treatment element is adjustable.
27. The surface treatment head of any of claims 24 to 26, wherein the surface treatment head is configured to restrict pivoting of the first and second treatment components relative to each other to a pre-determined range of movement; optionally wherein the first and/or second treatment component comprises one or more structures configured to co-operate with the second and/or first treatment component to limit relative movement therebetween; optionally, wherein the one or more structures are configured to limit pivoting of the first and second treatment components relative to each other beyond a predetermined amount; and/or optionally, wherein the one or more structures are provided proximal first and second ends of the surface treatment head; and/or optionally, wherein the one or more structures are configured to co-operate with one or more complementary structures of the second and/or first treatment component to limit pivoting of the first and second treatment components relative to each other beyond a predetermined amount.
28. The surface treatment head of any of claims 18 to 29, wherein the bracket arrangement comprises one or more arms coupled to the first treatment component and/or wherein the bracket arrangement comprises one or more arms coupled to the second treatment component; optionally wherein the bracket arrangement comprises a plurality of arms coupled to the respective treatment component such that the arms are arranged on either side of a central axis of the respective treatment component extending along a treatment direction, optionally, such that the arms are symmetrically positioned with respect to the central axis.
29. The surface treatment head of claim 28, wherein the bracket arrangement comprises a plurality of arms each coupled to the respective treatment component along a transverse axis extending perpendicular to a treatment direction; optionally, wherein the transverse axis defines a midpoint between frontmost and rearmost portion of the respective treatment component
30. The surface treatment head of claim 29, wherein the first treatment component comprises a driving means and the transverse axis is proximal a midpoint of the driving means (e.g. wherein the midpoint corresponds to a centre of gravity of the driving means).
31. The surface treatment head of any of claims 18 to 30, comprising a fluid outlet configured to introduce cleaning liquid to said surface to be treated; optionally, wherein the frontmost treatment component comprises the fluid outlet; optionally, wherein the fluid outlet is provided on a front region of the first and/or treatment component with respect to a treatment direction of the surface treatment head.
32. A surface treatment head for a surface treatment tool, the surface treatment head comprising : a first treatment component configured for coupling to a first surface treatment element configured to engage a surface to be treated; a second treatment component configured for coupling to a second surface treatment element configured to engage said surface to be treated; and a bracket arrangement configured to couple the first and second treatment components together; and wherein the bracket arrangement is configured such that when first and second treatment elements are coupled to the respective treatment components in use and a load is applied to the bracket arrangement, the load is distributed between the first and second treatment components and applied to said surface to be treated.
33. A surface treatment tool comprising a surface treatment head according to any of claims 18 to 32 and an elongate body configured to be coupled to the bracket arrangement.
34. The surface treatment tool of claim 33, wherein the second treatment element comprises a suction region configured to suck fluid and/or debris from said surface to be treated; optionally wherein the surface treatment tool comprises a waste tank in fluid communication with the suction region; optionally wherein the surface treatment tool comprises a suction source for sucking fluid from the suction region to the waste tank; and/or wherein the surface treatment tool comprises a fluid tank and the surface treatment head comprises a fluid outlet configured to apply cleaning liquid from the fluid tank to said surface to be treated.
35. The surface treatment tool of claim 33 or 34, wherein the elongate body is coupled to the bracket arrangement by a joint arrangement; optionally, wherein the joint arrangement is configured to permit pivoting of the elongate body with respect to the surface treatment head about a first axis and about a second axis, wherein the second axis is perpendicular to the first axis; optionally, wherein the second axis intersects the first axis.
36. A squeegee assembly for use with a surface treatment device, the squeegee assembly comprising an elongated squeegee blade and a mounting arrangement for supporting the squeegee blade, wherein the elongated squeegee blade comprises a fixed portion secured by the mounting arrangement and a flexible wiper configured to contact a surface to be treated when in use; wherein the squeegee assembly comprises a support formation configured to cooperate with the squeegee blade such that at least a portion of the flexible wiper is arranged to extend in a generally rearward direction, optionally such that deflection of at least said portion of the flexible wiper in a generally forward direction is inhibited.
37. The squeegee assembly of claim 36, wherein the squeegee blade comprises a first end and a second end and a length extending therebetween, such that the fixed portion and the flexible wiper extend between the first and second ends, and wherein the support formation is configured to cooperate with the squeegee blade such that at least a portion of the flexible wiper proximal the first end and/or at least a portion of the flexible wiper proximal the second end is arranged to extend in a generally rearward direction, optionally such that deflection of at least the respective portion of the flexible wiper in a generally forward direction is inhibited; optionally wherein the support formation is configured to cooperate with the squeegee blade such that the flexible wiper is arranged to extend in a generally rearward direction along the entire length of the squeegee blade, optionally such that deflection of the flexible wiper in a generally forward direction is inhibited along the entire length of the squeegee blade.
38. The squeegee assembly of claim 36 or 37, wherein the squeegee blade comprises a front surface facing in a generally forward direction, and a rear surface, facing in a generally rearward direction.
39. The squeegee assembly of claim 38, wherein, in use, the front surface of the squeegee blade forms a contact angle with a surface to be treated, wherein the support formation is configured to cooperate with the squeegee blade such that the contact angle is an acute angle; optionally such that deflection of the flexible wiper such that the contact angle is greater than 90° is inhibited; optionally, wherein the support formation is configured to cooperate with the squeegee blade such that the contact angle is in the range of 35° to 55°; optionally, wherein the support formation is configured to cooperate with the squeegee blade such that the contact angle is substantially 45°; optionally wherein the support formation is configured to cooperate with the squeegee blade such that the contact angle varies along a length of the squeegee blade.
40. The squeegee assembly of claim 38 or 39, wherein the support formation is configured to cooperate with at least a portion of the front surface and/or rear surface of the squeegee blade; optionally wherein the support formation comprises a front support structure configured to contact the front surface of the squeegee blade and/or a rear support structure configured to contact the rear surface of the squeegee blade; optionally wherein the respective support structure is configured to contact the respective surface along a continuous line of contact, and/or is configured to contact the respective surface at one or more discrete points (e.g. a series of discrete points) ; optionally wherein the front support structure and/or the rear support structure comprises a guide projection (e.g. a guide wall) angled such that the projection extends in a generally rearward direction.
41. The squeegee assembly of any of claims 36 to 40, wherein the elongated squeegee blade is a rear elongated squeegee blade and wherein the squeegee assembly further comprises a front elongated squeegee blade supported by the mounting arrangement, wherein the squeegee assembly comprises a suction region defined, at least in part, by the front and rear elongated squeegee blades; optionally wherein the support formation of the rear elongated squeegee blade is a first support formation, wherein the front elongated squeegee blade comprises a fixed portion secured to the mounting arrangement and a flexible wiper configured to contact a surface to be treated when in use, wherein the squeegee assembly comprises a second support formation configured to cooperate with the front squeegee blade such that at least a portion of the flexible wiper of the front squeegee blade is arranged to extend in a generally rearward direction; optionally such that deflection of at least said portion of the flexible wiper of the front squeegee blade in a generally forward direction is inhibited.
42. The squeegee assembly of claim 41, wherein the front and rear elongated squeegee blades are coupled together to form a continuously sealed suction region; optionally.
43. The squeegee assembly of claim 42, wherein the front elongated squeegee blade comprises a first end and a second end, and the rear elongated squeegee blade comprises a first end and a second end; optionally wherein the front and rear elongated squeegee blades are gripped together or arranged to contact each other in use at the respective first ends and/or the respective second ends.
44. The squeegee assembly of claim 43, wherein the front elongated squeegee blade comprises a fixed portion secured by the mounting arrangement and a flexible wiper configured to contact a surface to be treated when in use, wherein the front and rear elongated squeegee blade comprise a respective first edge proximal the respective fixed portion and a respective second edge proximal the respective flexible wiper, the respective first and second edges defining a respective height therebetween.
45. The squeegee assembly of claim 44, wherein proximal the first and/or second ends of the respective elongated squeegee blade, the fixed portion of the front elongate squeegee blade is mounted further from a surface to be treated than that of the rear elongated squeegee blade, when in use; optionally wherein the front elongate squeegee blade and the mounting arrangement comprise a series of lugs and receivers configured to receive the lugs, wherein proximal the first and/or second end of the front elongated squeegee blade, when the front elongate squeegee blade is mounted on the mounting arrangement, the lugs and receivers are located further from a surface to be treated than those proximal a central portion of the front elongate squeegee blade, when in use.
46. The squeegee assembly of claim 44, wherein proximal the first and/or second ends of the respective elongated squeegee blades, the height of the front elongate squeegee blade is less than the height of the rear squeegee blade.
47. The squeegee assembly of any of claims 36 to 46, wherein the or each squeegee blade comprises a first end and a second end and a length extending therebetween, wherein the or each squeegee blade comprises a central portion located between the first and second ends, and wherein the first and second ends project forwards of the central portion of the squeegee assembly.
48. The squeegee assembly of any of claims 36 to 47, wherein the squeegee assembly is configured such that a load applied to the mounting arrangement is applied to a surface to be treated exclusively by the flexible wiper(s) of the squeegee blade(s).
49. A surface treatment head for a surface treatment tool, the surface treatment head comprising a squeegee assembly according to any preceding claim; optionally, wherein the surface treatment head comprises: a joint arrangement configured for coupling to an elongate body of a surface treatment tool, wherein the joint arrangement is configured to permit pivoting of the surface treatment head with respect to said elongate body about a first axis, and optionally about a second axis perpendicular to the first axis, optionally wherein the second axis intersects the first axis; and/or a surface treatment element configured to engage a surface to be treated, optionally wherein the surface treatment element is movable and the surface treatment head comprises a driving means comprising a motor configured to drive the movable surface treatment element to effect cleaning of said surface; and/or a fluid outlet configured to introduce cleaning liquid to a surface to be treated; and/or a squeegee assembly according to any of claims 41 to 48 when dependent on claim 41, and a suction connection arrangement configured to connect the suction region to a source of suction of a surface treatment tool.
50. A surface treatment tool comprising an elongate body coupled to the surface treatment head of claim 49.
51. The surface treatment tool of claim 50 when dependent on claim 41, wherein the surface treatment tool is a scrubber dryer tool comprising a source of suction coupled to said suction region.
52. A squeegee assembly for use with a surface treatment device, the squeegee assembly comprising a mounting arrangement for supporting an elongated squeegee such that said elongated squeegee blade comprises a fixed portion secured by the mounting arrangement and a flexible wiper configured to contact a surface to be treated when in use; wherein the squeegee assembly comprises a support formation configured to cooperate with said squeegee blade such that at least a portion of said flexible wiper is arranged to extend in a generally rearward direction and such that deflection of at least said portion of said flexible wiper in a generally forward direction is inhibited.
53. A surface treatment head for a surface treatment tool, the surface treatment head comprising : a chassis comprising one or more guide portions configured to dampen impact of the surface treatment head with other structures when in use; a surface treatment element coupled to the chassis, configured for movement with respect to the chassis, and configured to engage a surface to be treated, wherein the surface treatment element defines a treatment area of a surface to be treated; and a driving means configured to drive movement of the surface treatment element relative to the chassis to effect treatment of said surface, wherein the driving means comprises an eccentric drive mechanism configured such that the surface treatment element is configured to engage a surface to be treated in a cyclical motion in which a portion of the surface treatment element faces in substantially the same direction throughout the cyclical motion, wherein movement of the surface treatment element throughout the cyclical motion defines a perimeter of the treatment area.
54. The surface treatment head of claim 53, wherein the one or more guide portions extend within, up to or beyond the perimeter of the treatment area.
55. The surface treatment head of claim 53 or 54, wherein the one or more guide portions comprise one or more guide elements coupled to the chassis; optionally wherein the chassis comprises a body having a periphery and wherein the one or more guide elements are coupled to the body such that they are located proximal the periphery of the body.
56. The surface treatment head of claim 55, wherein the surface treatment element comprises one or more recesses for at least partly accommodating the one or more guide elements; and/or wherein the body comprises one or more recesses for at least partly accommodating the one or more guide elements.
57. The surface treatment head of claim 56, wherein the or each recess is recessed with respect to an upper surface of the surface treatment element and/or an upper surface of the body; and/or wherein the or each recess is recessed with respect to a lower surface of the surface treatment element and/or a lower surface of the body; and/or wherein the or each recess is recessed with respect to a side surface of the surface treatment element and/or a side surface of the body.
58. The surface treatment head of any of claims 55 to 57, wherein the surface treatment head comprises a first end and a second end, wherein the first end is provided at a first side with respect to a treatment direction and wherein the second end is provided at a second side with respect to a treatment direction, wherein the one or more guide elements are provided proximal the first and/or second ends.
59. The surface treatment head of any of claims 55 to 58, wherein the one or more guide elements comprise a pair of guide elements which define a line linking outermost points on the pair of guide elements, wherein the line extends within the treatment area, along an edge of the treatment area or is located outside of the treatment area; optionally wherein the one or more guide elements comprise a pair of first-side guide elements which define a first-side line linking outermost points on the first-side guide elements, wherein the first-side line extends within the treatment area, along an edge of the treatment area or is located outside of the treatment area, and wherein the first-side line is arranged on a first side of the treatment area, and/or wherein the one or more guide elements comprise a pair of second-side guide elements which define a second-side line linking outermost points on the second-side guide elements, wherein the second-side line extends within the treatment area, along an edge of the treatment area or is located outside of the treatment area, and wherein the second-side line is arranged on a second side of the treatment area, and/or wherein the one or more guide elements comprise a pair of front guide elements which define a front line linking outermost points on the front guide elements, wherein the front line extends within the treatment area, along an edge of the treatment area or is located outside of the treatment area, and wherein the front line is arranged on a front side of the treatment area.
60. The surface treatment head of any of claims 55 to 59, wherein the or each guide element comprises a roller, wheel or ball.
61. The surface treatment head of claim 60, wherein the chassis comprises one or more mounting arrangements, and wherein each guide element is mounted in a respective mounting arrangement such that each guide element is configured for rotation with respect to the chassis; optionally, wherein the chassis comprises a body comprising the one or more mounting arrangements.
62. The surface treatment head of claim 61, wherein the one or more mounting arrangements each extend below an upper surface of the surface treatment element, and wherein the surface treatment element is recessed around the one or more mounting arrangements; and/or wherein the one or more mounting arrangements each extend from a side surface of the surface treatment element in a direction towards the surface treatment element, and wherein the surface treatment element is recessed around the one or more mounting arrangements.
63. The surface treatment head of any of claims 55 to 62, wherein the one or more guide elements are removably mounted to the chassis.
64. The surface treatment head of any of claims 53 to 63, wherein the one or more guide portions are configured to reduce friction between the surface treatment head and a structure arranged perpendicular to the surface to be treated when the surface treatment head is moved adjacent to said perpendicular structure in use.
65. The surface treatment head of any of claims 53 to 64, wherein the guide portions are spaced apart from a surface to be treated in a direction perpendicular to the surface.
66. The surface treatment head of any of claims 53 to 65, wherein the surface treatment element is replaceable.
67. The surface treatment head of any of claims 53 to 66, wherein the surface treatment head comprises a fluid outlet for introduction of cleaning fluid to the surface to be treated.
68. The surface treatment head of any of claims 53 to 67, wherein the surface treatment head comprises a suction region for sucking fluid and/or debris from the surface to be treated.
69. The surface treatment head of any of claims 53 to 68, wherein the eccentric drive mechanism is configured to drive the moveable surface treatment element so that each point on the moveable surface treatment element moves along a circular path, wherein the circular paths each have a unique centre point but a common radius dimension.
70. A surface treatment tool comprising an elongate body coupled to the surface treatment head of any of claims 53 to 69.
71. A surface treatment element for coupling to a chassis of a surface treatment head, the surface treatment element comprising : an upper surface, a lower surface and a periphery extending between the upper and lower surfaces; wherein the surface treatment element comprises one or more recesses in the upper surface and/or lower surface and/or periphery for accommodating a guide element and/or a mounting arrangement for a guide element .
72. A surface treatment head for a surface treatment tool, the surface treatment head comprising : a chassis comprising one or more guide portions configured to dampen impact of the surface treatment head with other structures when in use; a drivable portion configured to be coupled to a treatment portion arranged to engage a surface to be treated, wherein the drivable portion is coupled to the chassis and configured for movement with respect to the chassis, wherein, in use, the drivable portion and the treatment portion form a surface treatment element which defines a treatment area of a surface to be treated; and a driving means configured to drive movement of the drivable portion relative to the chassis, wherein the driving means comprises an eccentric drive mechanism configured such that, when in use, the surface treatment element is configured to engage a surface to be treated in a cyclical motion in which a portion of the surface treatment element faces in substantially the same direction throughout the cyclical motion, wherein movement of the surface treatment element throughout the cyclical motion defines a perimeter of the treatment area.
GB2315445.3A 2021-03-26 2022-03-25 Surface treatment tool Pending GB2620070A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB2104339.3A GB2606134B (en) 2021-03-26 2021-03-26 Surface treatment tool
GB2116316.7A GB2605231B (en) 2021-03-26 2021-11-12 Surface treatment tool
GB2116317.5A GB2606239B (en) 2021-03-26 2021-11-12 Surface treatment head
GB2116320.9A GB2606242B (en) 2021-03-26 2021-11-12 Surface treatment tool
GB2116319.1A GB2606241B (en) 2021-03-26 2021-11-12 Surface treatment head
GB2116318.3A GB2606240B (en) 2021-03-26 2021-11-12 Squeegee assembly
PCT/GB2022/050754 WO2022200807A1 (en) 2021-03-26 2022-03-25 Surface treatment tool

Publications (1)

Publication Number Publication Date
GB2620070A true GB2620070A (en) 2023-12-27

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GB2315445.3A Pending GB2620070A (en) 2021-03-26 2022-03-25 Surface treatment tool
GB2315446.1A Pending GB2619886A (en) 2021-03-26 2022-03-25 Surface treatment tool

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Application Number Title Priority Date Filing Date
GB2315446.1A Pending GB2619886A (en) 2021-03-26 2022-03-25 Surface treatment tool

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US (2) US20240164610A1 (en)
EP (2) EP4304439A1 (en)
KR (1) KR20230160378A (en)
AU (2) AU2022242084A1 (en)
CA (1) CA3212389A1 (en)
GB (2) GB2620070A (en)
WO (2) WO2022200807A1 (en)

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GB2606134B (en) * 2021-03-26 2023-08-02 Dextron Tech Ltd Surface treatment tool

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KR20230160378A (en) 2023-11-23
WO2022200808A1 (en) 2022-09-29
EP4312699A1 (en) 2024-02-07
GB2619886A (en) 2023-12-20
CA3212389A1 (en) 2022-09-29
US20240164610A1 (en) 2024-05-23
US20240164608A1 (en) 2024-05-23
EP4304439A1 (en) 2024-01-17
AU2022244322A1 (en) 2023-10-12
WO2022200807A1 (en) 2022-09-29
AU2022242084A1 (en) 2023-10-12

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