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A reversible mop head assembly for use with a mop handle is disclosed. The mop head assembly includes a transverse support shaft, a pair of end caps positioned at opposite ends of the transverse support shaft, a pair of opposed substrate support surfaces positioned between and supported by the end c

A reversible mop head assembly for use with a mop handle is disclosed. The mop head assembly includes a transverse support shaft, a pair of end caps positioned at opposite ends of the transverse support shaft, a pair of opposed substrate support surfaces positioned between and supported by the end caps, and a head mount coupled to the transverse support shaft centrally between the end caps.

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We claim: 1. A reversible mop head assembly adapted for use with a mop handle, the mop head assembly comprising: a transverse support shaft; a pair of end caps, the end caps positioned at opposing ends of the transverse support shaft; a lower substrate support surface comprising a front edge, a bac

We claim: 1. A reversible mop head assembly adapted for use with a mop handle, the mop head assembly comprising: a transverse support shaft; a pair of end caps, the end caps positioned at opposing ends of the transverse support shaft; a lower substrate support surface comprising a front edge, a back edge, and a pair of opposing end edges; an upper substrate support surface comprising a front edge, a back edge, and a pair of opposing end edges; a head mount centrally positioned on the transverse support shaft between the end caps, the head mount configured to releaseably couple with a mop handle; and a pair of opposing wheels positioned on the central portion of the transverse support shaft with each wheel positioned on opposite sides of the head mount, wherein the end edges of the lower and upper substrate support surfaces are supported by the opposing end caps such that the back edges of both the lower and upper substrate support surfaces are proximate to the traverse support shaft. 2. The assembly of claim 1, wherein the lower substrate support surface comprises at least one fastener channel to receive and hold at least one replaceable fastener strip. 3. The assembly of claim 2, wherein the upper substrate support surface comprises at least one fastener channel to receive and hold at least one replaceable fastener strip. 4. The assembly of claim 1, wherein the upper and lower substrate support surfaces both comprise surfaces which are convexly curved between the front edge and the back edge. 5. The assembly of claim 1, wherein at least one of the front edge and back edge of at least one of the upper and lower substrate support surfaces comprises a curved lip. 6. The assembly of claim 1, wherein the head mount further comprises a socket mount, the socket mount configured to releaseably couple with a mop handle. 7. The assembly of claim 6, wherein the socket mount comprises threads. 8. The assembly of claim 1, wherein the pair of end caps comprises a moveable end cap and a fixed end cap, wherein the moveable end cap is configured to be disengaged from the upper and lower substrate support surfaces such that a sleeve substrate is positionable over the upper and lower substrate support surfaces. 9. The assembly of claim 8, wherein the moveable end cap comprises an end plate with a finger hold. 10. The assembly of claim 8, wherein the moveable end cap comprises a grip. 11. A reversible mop system comprising: a transverse support shaft; a pair of end caps, the end caps positioned at opposing ends of the transverse support shaft; a lower substrate support surface comprising a front edge, a back edge, and a pair of opposing end edges; an upper substrate support surface comprising a front edge, a back edge, and a pair of opposing end edges; a head mount centrally positioned on the transverse support shaft between the end caps; a pair of opposing wheels positioned on the central portion of the transverse support shaft with each wheel positioned on opposite sides of the head mount; a mop handle; and a cleaning substrate positioned upon the lower and upper substrate support surfaces, wherein the head mount is configured to releaseably couple with the mop handle, and wherein the end edges of the lower and upper substrate support surfaces are supported by the opposing end caps such that the back edges of both the lower and upper substrate support surfaces are proximate to the traverse support shaft. 12. The system of claim 11, wherein the cleaning substrate comprises a sleeve substrate positioned upon the upper and lower substrate support surfaces. 13. The system of claim 11, wherein the mop handle comprises a quick-release handle, the quick-release handle comprising a proximal end proximate to the mop head and a distal end distal to the mop head; a quick-release coupling assembly positioned on the proximal end of the handle, the quick-release coupling assembly configured to releaseably couple the handle with the head mount; and a button actuator positioned on the distal end of the handle, the button actuator operably connected to the quick-release coupling assembly. 14. The system of claim 13, wherein the handle further comprises a coupler shroud positioned at the proximal end of the handle, the coupler shroud configured to cooperatively engage the head mount. 15. The system of claim 11, wherein the lower substrate support surface comprises at least one fastener channel to receive and hold at least one replaceable fastener strip. 16. The system of claim 15, wherein the upper substrate support surface comprises at least one fastener channel to receive and hold at least one replaceable fastener strip. 17. The system of claim 15, wherein the cleaning substrate comprises a fastener that cooperates with the fastener strip to couple the substrate with the lower substrate support surface. 18. The system of claim 11, wherein the upper substrate support surface comprises at least one fastener channel to receive and hold at least one replaceable fastener strip. 19. The system of claim 11, wherein the upper and lower substrate support surfaces both comprise surfaces which are convexly curved between their front edges and their back edges. 20. The system of claim 11, wherein the cleaning substrate comprises a continuous web of cleaning substrate, the continuous web comprising lines of weakness at regular intervals such that various widths of cleaning substrate are removable via the lines of weakness.