Cylindrical brush assembly for a floor maintenance machine
First Claim
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1. A cylindrical brush for use in a cylindrical brush assembly of a floor maintenance machine, the cylindrical brush comprising:
- a core extending along an axis of rotation and having an opening centrally disposed along the axis of rotation with a radially inward facing surface supporting a plurality of axially-inclined splines wherein each of the plurality of axially-inclined splines have a respective centerline between a respective pair of angular faces of each respective spline in which the respective centerline is angularly inclined relative to the axis of rotation as the respective centerline extends around the core in a circumferential direction; and
a plurality of radially extending bristles supported by the core.
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Abstract
A cylindrical brush with an improved core and a mating driving hub have axially inclined splines that engage one another to form an improved cylindrical brush assembly for a floor maintenance machine.
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Citations
23 Claims
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1. A cylindrical brush for use in a cylindrical brush assembly of a floor maintenance machine, the cylindrical brush comprising:
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a core extending along an axis of rotation and having an opening centrally disposed along the axis of rotation with a radially inward facing surface supporting a plurality of axially-inclined splines wherein each of the plurality of axially-inclined splines have a respective centerline between a respective pair of angular faces of each respective spline in which the respective centerline is angularly inclined relative to the axis of rotation as the respective centerline extends around the core in a circumferential direction; and a plurality of radially extending bristles supported by the core. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A cylindrical brush assembly for a floor maintenance machine, the cylindrical brush assembly comprising:
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a driving hub having a radially outward facing surface with a plurality of axially-inclined splines that are oblique to an axis of rotation of the driving hub; and a cylindrical brush having a core having a radially inward facing surface with a plurality of axially-inclined splines corresponding to the plurality of axially-inclined splines on the driving hub wherein each of the plurality of axially-inclined splines on the cylindrical brush have a respective centerline between a respective pair of angular faces of each respective spline in which the respective centerline is angularly inclined relative to the axis of rotation as the respective centerline extends around the core in a circumferential direction, the cylindrical brush being received on one axial end of the driving hub such that the plurality of axially-inclined splines of the driving hub engage the plurality of axially-inclined splines of the core of the cylindrical brush. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A core for use in a cylindrical brush, core comprising:
a body extending along an axis of rotation and having an opening centrally disposed along the axis of rotation with a radially inward facing surface supporting a plurality of axially-inclined splines wherein each of the plurality of axially-inclined splines have a respective centerline between a respective pair of angular sides of each respective spline in which the respective centerline is angularly inclined relative to the axis of rotation as the respective centerline extends around the body in a circumferential direction. - View Dependent Claims (21, 22, 23)
Specification