Cleaning members for cleaning areas near walls used in floor cleaner

• US 5,794,297 A
• Filed: 03/29/1995
• Issued: 08/18/1998
• Est. Priority Date: 03/31/1994
• Status: Expired due to Term

• Current Assignee: Techtronic Floor Care Technology Limited (Techtronic Industries Company Limited)
• Original Assignee: HOKY Contico LLC
• Inventors: Muta, Kouichi
• Primary Examiner(s): Scherbel, David
• Assistant Examiner(s): CHIN, RANDALL E
• Application Number:
  US08/412,451
• Time in Patent Office: 1,238 Days
• Field of Search: 15/41.1, 15/42, 15/47, 15/43, 15/44, 15/45, 15/46, 15/48, 15/48.1, 15/48.2, 15/93.1, 15/49.1, 15/50.3, 15/52.1, 15/83
• US Class Current: 15/42
• CPC Class Codes: A47L 11/33 having means for storing dirt
• CPC Class Codes: A47L 11/4013 Contaminants collecting devices, i.e. hoppers, tanks or the like
• CPC Class Codes: A47L 11/4036 Parts or details of the surface treating tools
• CPC Class Codes: A47L 11/4041 Roll shaped surface treating tools
• CPC Class Codes: A47L 11/4069 Driving or transmission means for the cleaning tools
• CPC Class Codes: A47L 11/4072 Arrangement of castors or wheels

Abstract

A cleaning member having reduced manufacturing cost is provided for effectively sweeping out fine dust, pieces of thread, pieces of cotton waste and the like, and otherwise improving dust collecting performance. The cleaning members for cleaning areas nearby walls are fitted to a floor cleaner that stirs up dust on the surface of a floor by means of a rotary member mounted on its main body casing. The floor cleaner receives and contains the stirred-up dust in dust collecting chambers. The cleaning member includes a mounting section which is molded integrally from a soft and flexible material and which is for mounting the cleaning member onto the main body casing, and at least one downwardly extending plate.

Claims

1. A plurality of cleaning members for cleaning areas near walls and fitted to a floor cleaner that stirs up dust and the like on a surface of a floor by means of a rotary member mounted on a main body casing of the floor cleaner, thereby to receive and contain the dust and the like thus stirred up in dust collecting chambers,

each of said cleaning members comprising:

a mounting section for mounting the cleaning member onto said main body casing; and

a plate extending downwardly from said mounting section and having a top edge joined to said mounting section,

the mounting section and the plate being integrally molded from a soft and flexible material;

wherein said cleaning members are located on said main body casing so that at least one of said downwardly extending plates thereof extends along a direction perpendicular to a moving direction of said floor cleaner, and said downwardly extending plate includes an overhang along the direction perpendicular to the moving direction of said floor cleaner and projecting outwardly from said main body casing, and a protruding portion protruding downwardly from a lower end of said overhang.

2. The plurality of cleaning members of claim 1, wherein each of said cleaning members includes one of said downwardly extending plates, each of said downwardly extending plates having a surface, the surface having a lowermost edge on which is formed, over its whole length, a thickened extension.

3. The plurality of cleaning members of claim 1, wherein each of said cleaning members contains two of said downwardly extending plates,

a first of said downwardly extending plates having a front surface positioned forwardly with respect to a moving direction of said floor cleaner, said front surface having a lowermost edge having a thickened extension formed over a whole length thereof, and

a second of said downwardly extending plates having a rear surface positioned rearwardly with respect to said moving direction of said floor cleaner, said rear surface having a lowermost edge having a thickened extension formed over a whole length thereof.

4. A cleaning member for cleaning areas near walls and fitted to a floor cleaner that stirs up dust and the like on a surface of a floor by means of a rotary member mounted on a main body casing of the floor cleaner, thereby to receive and contain the dust and the like thus stirred up in dust collecting chambers,

said cleaning member comprising:

a mounting section for mounting the cleaning member onto said main body casing; and

a plate extending downwardly from said mounting section, and having a top edge joined to said mounting section;

the mounting section and the plate being integrally molded from a soft and flexible material;

wherein said downwardly extending plate includes an overhang having a lower end said overhang extending along a direction perpendicular to a moving direction of said floor cleaner and projecting downwardly from said main body casing, said overhang also having a protruding portion protruding downwardly from said lower end of said overhang.

5. A cleaning member for cleaning areas near walls and for attachment to a floor cleaner, the floor cleaner having a main body casing including a bottom,

the cleaning member comprising:

a top mounting section for mounting the cleaning member onto a corner of the bottom of the main body casing; and

a downwardly extending plate to take up dust, the downwardly extending plate having a top edge joined to the top mounting section at essentially a right angle, and a bottom edge, said cleaning member being attachable to said main body casing so that said downwardly extending plate extends along a direction perpendicular to a moving direction of said floor cleaner, and said downwardly extending plate includes an overhang along the direction perpendicular to the moving direction of said floor cleaner and protecting outwardly from said main body casing, and a protruding portion protruding downwardly from a lower end of said overhang;

the cleaning member being integrally formed from a soft and flexible material.

6. A cleaning member for cleaning areas near walls and for attachment to a floor cleaner having a main body casing including a bottom,

the cleaning member comprising:

a top mounting section for mounting the cleaning member onto a corner of the bottom of the main body casing; and

a first downwardly extending plate to take up dust, the first downwardly extending plate having a top edge joined to the top mounting section, and a bottom edge; and

wherein the bottom edge of the first downwardly extending plate has a thickened extension over its length to enhance dust take-up by the first downwardly extending plate when the cleaning member is mounted on a corner of the bottom of the floor cleaner and the floor cleaner is moved over a floor in a direction perpendicular to the bottom edge of the first downwardly extending plate;

said cleaning member further comprising a second downwardly extending plate parallel to the first downwardly extending plate, the second downwardly extending plate having a top edge joined to the mounting section, and a bottom edge having a thickened extension over its length.

7. The cleaning member of claim 6 wherein the thickened extensions of the first and second downwardly extending plates extend in opposite directions outwardly from one side of the respective bottom edges, away from one another.

8. The cleaning member of claim 7 wherein the top mounting section has at least a first side, and the first and second downwardly extending plates have, respectively, first and second overhang regions each having bottom edges extending beyond the first side of the top mounting section in a same direction, and the bottom edges of both of the overhang regions include downwardly-directed protrusions to scrape dust from groove-like regions in a carpet.

9. A floor cleaner comprising:

at least one cleaning member of the type of claim 7;

a body casing including a dust collecting chamber and having a bottom having a left and a right side;

a handle extending upward from the body casing for moving the body casing;

a rotatable shaft coupled to the body casing that rotates upon forward and rearward movement of the body casing relative to a surface under the bottom of the body casing;

a rotatable member mounted on the body casing and operatively coupled to the rotatable shaft so that, when the rotatable shaft rotates, dust on a surface below the body casing is transferred by the rotatable member into the dust collecting chamber; and

the at least one cleaning member is mounted proximately to at least one of the left and right sides of the body casing so that the downwardly extending plates extend below the bottom of the body casing,

wherein the downwardly extending plates frictionally scrape dust from a surface below the dust collecting chamber so that dust so removed is transferred by the rotatable member into the dust collecting chamber.

10. The floor cleaner of claim 9 wherein the bottom edges of the first and second downwardly extending plates are oriented perpendicularly with respect to a direction of movement of the body casing over a floor that causes rotation of the rotatable member.

11. The floor cleaner of claim 9 wherein the at least one cleaning member comprises a plurality of cleaning members, one of which is mounted proximately to the left side and another to the right side of the body casing, on the bottom of the body casing.

12. The cleaning member of claim 6 wherein the top mounting section has at least a first side, and the first and second downwardly extending plates have respective first and second overhang regions each having bottom edges extending beyond the first side of the top mounting section in a same direction, and the bottom edges of both of the overhang regions include downwardly-directed protrusions to scrape dust from groove-like regions in a carpet.

13. A floor cleaner comprising:

at least one cleaning member of the type of claim 12;

a body casing including a dust collecting chamber and having a bottom having a left and a right side;

a handle extending upward from the body casing for moving the body casing;

a rotatable shaft coupled to the body casing that rotates upon forward and rearward movement of the body casing relative to a surface under the bottom of the body casing;

a rotatable member mounted on the body casing and operatively coupled to the rotatable shaft so that, when the rotatable shaft rotates, dust on a surface below the body casing is transferred by the rotatable member into the dust collecting chamber; and

the at least one cleaning member is mounted proximately to at least one of the left and right sides of the body casing so that the downwardly extending plates extend below the bottom of the body casing and the bottom edge of the overhang region extends beyond a side of the body casing,

wherein the downwardly extending plates frictionally scrape dust from a surface below the dust collecting chamber so that dust so removed is transferred by the rotatable member into the dust collecting chamber.

14. The floor cleaner of claim 13 wherein the bottom edges of the first and second downwardly extending plates are oriented perpendicularly with respect to a direction of movement of the body casing over a floor that causes rotation of the rotatable member.

15. The floor cleaner of claim 13 wherein the at least one cleaning member comprises a plurality of cleaning members, one of which is mounted proximately to the left side and another to the right side of the body casing, on the bottom of the body casing.

16. The floor cleaner of claim 13 wherein the bottom edges of the first and second downwardly extending plates are oriented at an angle of not more than about 15 degrees from perpendicular with respect to a direction of movement of the body casing over a floor causing rotation of the rotatable member.

17. The cleaning member of claim 6 wherein the top mounting section has at least a first side, and the thickened extensions extend in a same direction outwardly from the respective bottom edges of the parallel first and second downwardly extending plates and the first and second downwardly extending plates each include an overhang region extending beyond the first side of the top mounting section.

18. The cleaning member of claim 6 wherein the top mounting section has at least a first side, and the first and second downwardly extending plates each include an overhang region extending beyond the first side of the top mounting section, and the thickened extensions on the parallel first and second parallel downwardly extending plates each have inverted V-shaped cross-sections, the opening of each "V" directed away from the top mounting section.

19. A floor cleaner comprising:

at least one cleaning member of the type of claim 6;

a body casing including a dust collecting chamber and having a bottom having a left and a right side;

a handle extending upward from the body casing for moving the body casing;

a rotatable shaft coupled to the body casing that rotates upon forward and rearward movement of the body casing relative to a surface under the bottom of the body casing;

a rotatable member mounted on the body casing and operatively coupled to the rotatable shaft so that, when the rotatable shaft rotates, dust on a surface below the body casing is transferred by the rotatable member into the dust collecting chamber; and

the at least one cleaning member is mounted proximately to at least one of the left and right sides of the body casing so that the downwardly extending plates extend below the bottom of the body casing,

wherein the downwardly extending plates frictionally scrape dust from a surface below the dust collecting chamber so that dust so removed is transferred by the rotatable member into the dust collecting chamber.

20. The floor cleaner of claim 19 wherein the bottom edges of the first and second downwardly extending plates are oriented perpendicularly with respect to a direction of movement of the body casing over a floor that causes rotation of the rotatable member.

21. The floor cleaner of claim 19 wherein the at least one cleaning member comprises a plurality of cleaning members, one of which is mounted proximately to the left side and another to the right side of the body casing, on the bottom of the body casing.

22. The floor cleaner of claim 19 wherein the thickened extensions extend in the same direction outwardly from the respective bottom edges of the parallel first and second downwardly extending plates, and the first and second downwardly extending plates each include an overhang region extending beyond a same side of the body casing.

23. The floor cleaner of claim 19 wherein the first and second downwardly extending plates each include an overhang region extending beyond a same side of the body casing, and the thickened extensions of the parallel first and second downwardly extending plates have inverted V-shaped cross-sections, wherein the opening of the "V" is directed away from the top mounting section.

24. A cleaning member for cleaning areas near walls and for attachment to a floor cleaner having a main body casing including a bottom,

the cleaning member comprising:

a top mounting section for mounting the cleaning member onto a corner of the bottom of the main body casing; and

a first downwardly extending plate to take up dust, the first downwardly extending plate having a top edge joined to the top mounting section, and a bottom edge;

wherein the cleaning member is integrally formed from a soft and flexible material; and

wherein the bottom edge of the first downwardly extending plate has a thickened extension over its length to enhance dust take-up by the first downwardly extending plate when the cleaning member is mounted on a corner of the bottom of the floor cleaner and the floor cleaner is moved over a floor In a direction perpendicular to the bottom edge of the first downwardly extending plate;

and also wherein the top mounting section has at least a first side, and the first downwardly extending plate includes a first overhang region having a bottom edge extending beyond the first side of the top mounting section, the bottom edge of the first overhang region including a first downwardly-directed protrusion to scrape dust from groove-like regions in a carpet.

25. The cleaning member of claim 24 wherein the first downwardly extending plate has a tapered thickness between its thickened extension and its top edge so that the first downwardly extending plate is thicker at the top edge than adjacent the thickened extension.

26. A floor cleaner comprising:

at least one cleaning member of the type of claim 24;

a body casing including a dust collecting chamber and having a bottom having a left and a right side;

a handle extending upward from the body casing for moving the body casing;

a rotatable shaft coupled to the body casing that rotates upon forward and rearward movement of the body casing relative to a surface under the bottom of the body casing;

a rotatable member mounted on the body casing and operatively coupled to the rotatable shaft so that, when the rotatable shaft rotates, dust on a surface below the body casing is transferred by the rotatable member into the dust collecting chamber; and

the at least one cleaning member is mounted proximately to at least one of the left and right sides of the body casing so that the first downwardly extending plate extends below the bottom of the body casing and the bottom edge of the overhang region extends beyond a side of the body casing,

wherein the first downwardly extending plate frictionally scrapes dust from a surface below the dust collecting chamber so that dust so removed is transferred by the rotatable member into the dust collecting chamber.

27. The floor cleaner of claim 26 wherein the bottom edges of the first downwardly extending plate are oriented perpendicularly with respect to a direction of movement of the body casing over a floor that causes rotation of the rotatable member.

28. The floor cleaner of claim 26 wherein the at least one cleaning member comprises a plurality of cleaning members, one of which is mounted proximately to the left side and another to the right side of the body casing, on the bottom of the body casing.

29. A floor cleaner comprising:

a body casing including a dust collecting chamber and having a bottom having a left and a right side;

a handle extending upward from the body casing for moving the body casing;

a rotatable shaft coupled to the body casing that rotates upon forward and rearward movement of the body casing relative to a surface under the bottom of the body casing;

a rotatable member mounted on the body casing and operatively coupled to the rotatable shaft so that, when the rotatable shaft rotates, dust on a surface below the body casing is transferred by the rotatable member into the dust collecting chamber;

at least one cleaning member comprising a top mounting section for mounting the cleaning member onto a corner of the bottom of the body casing;

the cleaning member also comprising a first downwardly extending plate to take up dust, the first downwardly extending plate having a top edge joined to the top mounting section at essentially a right angle, the cleaning member also comprising a bottom edge;

the cleaning member being integrally formed from a soft and flexible material; and

the at least one cleaning member is mounted proximately to at least one of the left and right sides of the body casing so that the downwardly extending plate extends below the bottom of the body casing,

wherein the downwardly extending plate frictionally scrapes dust from a surface below the dust collecting chamber so that dust so removed is transferred by the rotatable member into the dust collecting chamber, and further wherein the body casing has at least a first side, and the first downwardly extending plate includes a first overhang region having a bottom edge extending beyond the first side of the body casing.

30. The floor cleaner of claim 29 wherein the bottom edge of the first downwardly extending plate has a thickened extension over its length to enhance dust take-up.

31. The floor cleaner of claim 30 wherein the bottom edge of the first downwardly extending plate is oriented perpendicularly with respect to a direction of movement of the body casing over a floor that causes rotation of the rotatable member.

32. The floor cleaner of claim 29 wherein the bottom edge of the first downwardly extending plate is oriented perpendicularly with respect to a direction of movement of the body casing over a floor that causes rotation of the rotatable member.

33. The floor cleaner of claim 32 wherein the at least one cleaning member comprises a plurality of cleaning members, one of which is mounted proximately to the left side and another to the right side of the body casing, on the bottom of the body casing.

34. The floor cleaner of claim 32 wherein the first downwardly extending plate has a thickened extension at its bottom edge, and a tapered thickness between its thickened extension and its top edge so that the first downwardly extending plate is thicker at its top edge than adjacent its thickened extension.

35. A floor cleaner comprising:

at least one cleaning member having a top mounting section, and a first downwardly extending plate to take up dust, the first downwardly extending plate having a top edge joined to the top mounting section, and a bottom edge;

a body casing including a dust collecting chamber and a bottom having a left and a right side;

a rotatable shaft coupled to the body casing that rotates upon forward and rearward movement of the body casing relative to a surface under the bottom of the body casing; and

a rotatable member mounted on the body casing and operatively coupled to the rotatable shaft so that, when the rotatable shaft rotates, dust on a surface below the body casing is transferred by the rotatable member into the dust collecting chamber;

wherein the at least one cleaning member is mounted proximately to at least one of the left and right sides of the body casing so that the downwardly extending plate extends below the bottom of the body casing;

the downwardly extending plate frictionally scrapes dust from a surface below the dust collecting chamber so that dust so removed Is transferred by the rotatable member into the dust collecting chamber; and

the bottom edge of the first downwardly extending plate has a thickened extension over its length to enhance dust take-up;

and also wherein said downwardly extending plate includes an overhang along a direction perpendicular to a moving direction of said floor cleaner and projecting outwardly from said main body casing, and a protruding portion protruding downwardly from a lower end of said overhang.

36. The floor cleaner of claim 35 wherein the bottom edge of the first downwardly extending plate is oriented perpendicularly with respect to a direction of movement of the body casing over a floor that causes rotation of the rotatable member.

37. A floor cleaner comprising:

a plurality of cleaning members, each having a top mounting section, and a first downwardly extending plate to take up dust, each first downwardly extending plate having a top edge joined to the top mounting section, and a bottom edge;

a body casing including a dust collecting chamber and a bottom having a left and a right side;

a rotatable shaft coupled to the body casing that rotates upon forward and rearward movement of the body casing relative to a surface under the bottom of the body casing; and

a rotatable member mounted on the body casing and operatively coupled to the rotatable shaft so that, when the rotatable shaft rotates, dust on a surface below the body casing is transferred by the rotatable member into the dust collecting chamber;

wherein at least one of the cleaning members is mounted proximately to the left side of the body casing, and at least another one of the cleaning members is mounted proximately to the right side of the body casing so that the downwardly extending plates extend below the bottom of the body casing;

the downwardly extending plates frictionally scrape dust from a surface below the dust collecting chamber so that dust so removed is transferred by the rotatable member into the dust collecting chamber; and

the bottom edge of each of the first downwardly extending plates have a thickened extension over its length to enhance dust take-up;

and also wherein said first downwardly extending plate includes an overhang along a direction perpendicular to a moving direction of said floor cleaner and projecting outwardly from said main body casing, and a protruding portion protruding downwardly from a lower end of said overhang.