Surface treating article including a hub

A rotary-driven surface treating article, comprising:

• a) a hub including:
• i) a body including a first end, a second end opposite said first end, and an outer peripheral surface, wherein said body has a longitudinal axis, and wherein said body is configured to be operatively connected to a drive means,
• ii) a plurality of protrusions extending radially from said body, wherein said protrusions include a proximate protrusion portion having a first circumferential width and a distal protrusion portion having a second circumferential width, wherein said proximate protrusion portion is between said bodv and said distal protrusion portion, wherein said first circumferential width of said protrusions is less than said second circumferential width of said protrusions, and wherein each of said protrusions includes:
• a) a first side surface extending from said bodv to said distal protrusion portion,
• b) a second side surface opposite said first side surface extending from said body to said distal protrusion portion;
• c) a distal surface extending from first side surface to said second side surface;
• and
• d) a top surface extending from said body, and a bottom surface opposite said top surface and extending from said body wherein said first surface, second surface and said distal protrusion surface extend from said top surface to said bottom surface;
• and
• iii) a plurality of transverse grooves, wherein each of said grooves is located between adjacent protrusions, wherein said grooves include a distal groove portion having a first circumferential width and a proximate groove portion having a second circumferential width. wherein said proximate groove portion is between said body and said distal groove portion, and wherein said first circumferential width of said transverse grooves is less than said second circumferential width of said transverse grooves;
• and
• iv) a disk segment extending between adjacent ones of said protrusions, wherein said disk segment is located between said top surface and said bottom surface of said protrusions;
• and
• b) a unitary surface treating article attached to said hub including a plurality of arms extending inwardly into said plurality of transverse grooves.

A rotary-driven surface treating article. comprising:

• a) a hub including:
• i) a body including a first end, a second end opposite said first end, and an outer peripheral surface wherein said body has a longitudinal axis, and wherein said bodv is configured to be operatively connected to a drive means;
• ii) a plurality of protrusions extending radially from said body, wherein said protrusions include a proximate protrusion portion having a first circumferential width and a distal protrusion portion having a second circumferential width, wherein said proximate protrusion portion is between said body and said distal protrusion portion. and wherein said first circumferential width of said protrusions is less than said second circumferential width of said protrusions, wherein each of said protrusions includes:
• a) a first side surface extending from said body to said distal protrusion portion:
• b) a second side surface opposite said first side surface extending from said body to said distal protrusion portion;
• c) a distal surface extending from first side surface to said second side surface;
• and
• d) a top surface extending from said body and a bottom surface opposite said top surface and extending from said body, wherein said first surface, second surface and said distal protrusion surface extend from said top surface to said bottom surface;
• and
• iii) a plurality of transverse grooves, wherein each of said grooves is located between adjacent protrusions, wherein said grooves include a distal groove portion having a first circumferential width and a proximate groove portion having a second circumferential width. wherein said proximate groove portion is between said body and said distal groove portion, and wherein said first circumferential width of said transverse grooves is less than said second circumferential width of said transverse grooves;
• and
• b) a unitary surface treating article attached to said hub including a plurality of arms extending inwardly into said plurality of transverse grooves, wherein said top surface and said bottom surface of said protrusions are visually perceptible.

A hub for a rotary-driven surface treating article, said hub comprising:

• a) a disk including a first major surface, a second major surface opposite said first surface, a peripheral surface extending between said first major surface and said second major surface, and a longitudinal axis, wherein said disk is configured to be operatively connected to a drive means;
• b) a first plurality of protrusions, each including a first protrusion surface adjacent said first major surface of said disk and a second protrusion surface opposite said first protrusion surface, wherein each of said first plurality of protrusions includes a proximate protrusion portion having a first circumferential width and a distal protrusion portion having a second circumferential width. wherein said proximate protrusion portion is between said longitudinal axis and said distal protrusion portion, and wherein said first circumferential width of said protrusions is less than said second circumferential width of said protrusions;
• and
• c) a first plurality of transverse grooves, each of said transverse grooves located between adjacent one of said protrusions, wherein said transverse grooves extend to said peripheral surface of said disk.

A hub for a rotary-driven surface treating article. said hub comprising:

• a) a disk including a first major surface, a second major surface opposite said first surface, a peripheral surface extending between said first major surface and said second major surface. and a longitudinal axis, wherein said disk is configured to be operatively connected to a drive means:
• b) a first plurality of protrusions. each including a first protrusion surface adjacent said first major surface of said disk and a second protrusion surface opposite said first protrusion surface, wherein between adjacent ones of said protrusions, said disk includes a hole therethrough;
• and
• c) a first plurality of transverse grooves. each of said transverse grooves located between adjacent one of said protrusions. wherein said transverse grooves extend to said peripheral surface of said disk.

A hub for a rotary-driven surface treating article. said hub comprising:

• a) a disk including a first major surface. a second major surface opposite said first surface. a peripheral surface extending between said first major surface and said second major surface. and a longitudinal axis. wherein said disk is configured to be operatively connected to a drive means;
• b) a first plurality of protrusions. each including a first protrusion surface adjacent said first major surface of said disk and a second protrusion surface opposite said first protrusion surface:
• and
• c) a first plurality of transverse grooves. each of said transverse grooves located between adjacent one of said protrusions. wherein said transverse grooves extend to said peripheral surface of said disk,
• wherein a unitary surface treating article is engaged with said hub, wherein said surface treating article comprises a elastomeric cylindrical body having a first major surface. a second major surface and an outer peripheral surface between said first major surface and said second major surface, and wherein said surface treating article is molded to said hub.

A rotary-driven surface treating article, comprising:

• a) a hub including:
• i) a body including a first end, a second end opposite said first end, and an outer peripheral surface, wherein said body has a longitudinal axis, and wherein said body is configured to be operatively connected to a drive means;
• ii) a plurality of protrusions extending radially from said body, wherein said protrusions include a proximate protrusion portion having a first circumferential width and a distal protrusion portion having a second circumferential width, wherein said proximate protrusion portion is between said body and said distal protrusion portion, wherein said first circumferential width of said protrusions is less than said second circumferential width of said protrusions;
• iii) a plurality of transverse grooves, wherein each of said grooves is located between adjacent protrusions, wherein said each of said transverse grooves includes a distal groove portion having a first circumferential width and a proximate groove portion having a second circumferential width, wherein said proximate groove portion is between said body and said distal groove portion, wherein said first circumferential width of said transverse grooves is less than said second circumferential width of said transverse grooves;
• and wherein each of said plurality of transverse grooves is bounded by the first side surface of one of said protrusions and the second side surface of an adjacent protrusion and wherein said peripheral surface of said body between adjacent protrusions is a concave surface extending between said first side surface and said second side surface;
• and
• iv) a disk segment extending between adjacent of said protrusions at each of said transverse grooves, wherein said disk segment includes a hole therethrough at each of said transverse grooves;
• and
• b) a unitary surface treating article attached to said hub including a plurality of arms extending inwardly into said plurality of grooves and including a plurality of fingers extending inwardly into said holes in said disk segments, wherein said surface treating article comprises an elastomeric cylindrical body having a first major surface, a second major surface and an outer peripheral surface between said first major surface and said second major surface wherein said surface treating article is molded to said hub.