Brush roll arrangement for a floor cleaning tool
First Claim
1. A cleaning brush tool comprising:
- a brush housing;
a brush roll rotatably arranged in said brush housing and extending longitudinally along an axial direction;
a first bearing that rotatably supports a first end of said brush roll relative to said brush housing; and
a removable bearing arrangement that includes a second bearing and a bearing mount which carries said second bearing;
wherein;
said second bearing rotatably supports a second end of said brush roll;
said bearing mount is removably connected to a circular or cylindrical end portion of said brush housing proximate to said second end of said brush roll;
said bearing mount includes a first rotational fastening structure and a first securing element;
said end portion of said brush housing includes a second rotational fastening structure and a second securing element;
said bearing mount can be selectively removed from and connected to said end portion of said brush housing by being moved in said axial direction relative to said housing;
when said bearing mount is arranged in or on said end portion of said brush housing, said first and second rotational fastening structures selectively cooperate and engage with one another to fasten said removable bearing arrangement to said end portion of said brush housing by rotation of said bearing mount about said axial direction relative to said housing;
when said removable bearing arrangement is fastened to said end portion of said brush housing by engagement of said rotational fastening structures, said first and second securing elements engage with one another to secure said bearing mount against rotation relative to said brush housing in a rotation direction that would disengage said rotational fastening structures from one another.
1 Assignment
0 Petitions
Accused Products
Abstract
A brush roll is rotatably supported by bearings in a housing of a cleaning brush tool. One of the bearings is incorporated in a removable bearing arrangement that can be rotationally fastened and removed as needed on a cylindrical end of the housing. Preferably collar elements protruding cylindrically from the removable bearing arrangement form bayonet-type catch hooks that selectively engage with bayonet-type catch elements protruding radially outwardly from the cylindrical end sleeve of the housing. A detent on the housing engages a securing element on the removable bearing arrangement to secure the engaged bayonet-type fastening arrangement against rotational release thereof.
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Citations
17 Claims
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1. A cleaning brush tool comprising:
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a brush housing;
a brush roll rotatably arranged in said brush housing and extending longitudinally along an axial direction;
a first bearing that rotatably supports a first end of said brush roll relative to said brush housing; and
a removable bearing arrangement that includes a second bearing and a bearing mount which carries said second bearing;
wherein;
said second bearing rotatably supports a second end of said brush roll;
said bearing mount is removably connected to a circular or cylindrical end portion of said brush housing proximate to said second end of said brush roll;
said bearing mount includes a first rotational fastening structure and a first securing element;
said end portion of said brush housing includes a second rotational fastening structure and a second securing element;
said bearing mount can be selectively removed from and connected to said end portion of said brush housing by being moved in said axial direction relative to said housing;
when said bearing mount is arranged in or on said end portion of said brush housing, said first and second rotational fastening structures selectively cooperate and engage with one another to fasten said removable bearing arrangement to said end portion of said brush housing by rotation of said bearing mount about said axial direction relative to said housing;
when said removable bearing arrangement is fastened to said end portion of said brush housing by engagement of said rotational fastening structures, said first and second securing elements engage with one another to secure said bearing mount against rotation relative to said brush housing in a rotation direction that would disengage said rotational fastening structures from one another. - View Dependent Claims (2, 3, 4, 5)
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6. A cleaning brush tool comprising:
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a brush housing;
a brush roll rotatably arranged in said brush housing and extending longitudinally along an axial direction;
a first bearing that rotatably supports a first end of said brush roll relative to said brush housing; and
a removable bearing arrangement that includes a second bearing and a bearing mount which carries said second bearing;
wherein;
said second bearing rotatably supports a second end of said brush roll;
said bearing mount is removably connected to a circular or cylindrical end portion of said brush housing proximate to said second end of said brush roll;
said bearing mount includes at least one collar element that fits onto or into said end portion of said brush housing;
said at least one collar element or said end portion has at least two bayonet coupling catch grooves therein;
said end portion or said at least one collar element has thereon at least two bayonet coupling catch elements that are selectively engageable into said catch grooves by relative rotation between said bearing mount and said end portion of said brush housing; and
said bearing mount and said brush housing further have respective latch elements that engage one another and prevent rotation of said bearing mount relative to said brush housing in at least a rotation direction that would disengage said catch elements from said catch grooves. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A cleaning brush tool comprising:
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a brush housing;
a brush roll rotatably arranged in said brush housing and extending longitudinally along an axial direction;
a first bearing that rotatably supports a first end of said brush roll relative to said brush housing; and
a removable bearing arrangement that includes a second bearing and a bearing mount which carries said second bearing;
wherein;
said second bearing rotatably supports a second end of said brush roll;
said bearing mount is mounted and rotationally removably fastened in or on a circular or cylindrical end portion of said brush housing proximate to said second end of said brush roll, whereby said bearing mount covers an opening of said end portion in said axial direction; and
said bearing mount is externally manually removable from said end portion in said axial direction so as to uncover said opening, and then said brush roll is manually removable out of said brush housing in said axial direction through said opening.
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Specification