Husqvarna Construction Products North America, Inc.
대리인 / 주소
Harness, Dickey & Pierce, PLC
인용정보
피인용 횟수 :
0인용 특허 :
57
초록▼
A grouting pan assembly includes a reinforcement ring. In another aspect, a grouting pan includes a substantially planar bottom surface and a curved sidewall surrounding the bottom surface. In a further embodiment, a grouting pan assembly includes a grouting pan having a post or mechanical fastener
A grouting pan assembly includes a reinforcement ring. In another aspect, a grouting pan includes a substantially planar bottom surface and a curved sidewall surrounding the bottom surface. In a further embodiment, a grouting pan assembly includes a grouting pan having a post or mechanical fastener extending from a backside thereof for attachment to a reinforcing ring or layer.
대표청구항▼
1. A grouting pan assembly comprising: (a) a rotatable pad including a top surface, a floor-facing bottom surface and a peripheral surface;(b) a reinforcement layer attached to the bottom surface of the pad, the reinforcement layer being a flexible material; and(c) grouting pans attached to a floor-
1. A grouting pan assembly comprising: (a) a rotatable pad including a top surface, a floor-facing bottom surface and a peripheral surface;(b) a reinforcement layer attached to the bottom surface of the pad, the reinforcement layer being a flexible material; and(c) grouting pans attached to a floor-facing surface of the reinforcement layer. 2. The assembly of claim 1, wherein each of the grouting pans comprises at least one mechanical fastener projecting from a backside thereof. 3. The assembly of claim 2, wherein the fastener includes a post, each of the posts extends through an associated aperture in the reinforcement layer, and a distal end of each of the posts is laterally expanded on an upper side of the reinforcement layer to mechanically attach the associated grouting pan to the reinforcement layer. 4. The assembly of claim 1, wherein each of the grouting pans includes a floor-facing bottom surface and a curved sidewall connected to the bottom surface of the pan, the curved sidewall includes an angled portion and a rounded edge portion between the bottom surface and the angled portion such that an obtuse included angle is formed therebetween. 5. The assembly of claim 4, wherein the included angle is 110°-135°. 6. The assembly of claim 1, wherein the reinforcement layer is an annular ring having circular inner and outer edges, and a central portion of the pad is exposed through a hole defined by the inner edge of the ring. 7. The assembly of claim 1, wherein the flexible material of the reinforcement layer is metallic. 8. The assembly of claim 1, wherein: the pad includes a rubber or elastomeric material; andthe reinforcement layer provides radial stiffness and torsional flexibility such that one of the grouting pans may longitudinally move relative to another of the grouting pans. 9. The assembly of claim 1, wherein the reinforcement layer is a metallic ring and the grouting pans are metallic such that the reinforcement layer acts as a heat sink for the pans. 10. The assembly of claim 1, further comprising: an electrically or fuel powered machine adapted to simultaneously rotate multiples of the pad to grind a concrete, stone or terrazzo floor;the reinforcement layer allowing flexure so that all of the grouting pans can contact the floor even when uneven floor conditions are encountered; andthe reinforcement layer having a thickness no greater than 1 mm. 11. The assembly of claim 1, wherein: the peripheral surface of the pad is circular;the pad is flexible;a peripheral surface of the reinforcement layer is substantially circular and has substantially a same diameter as that of the pad which are at least 7 inches; andperipheries of the grouting pans are substantially circular with a diameter of 1.5-2.5 inches. 12. The assembly of claim 1, wherein: there are at least four of the grouting pans, which are metallic, and the grouting pans are attached to the reinforcement layer, which is metallic; andthe pad and reinforcement layer have circular peripheries. 13. The assembly of claim 1, further comprising grout pushed into voids in a surface of a composite or cement floor by rotation of the grouting pan. 14. The assembly of claim 1, wherein an inner edge of the reinforcement layer has an undulating shape with the grouting pans located in radially enlarged peaks thereof between which are radially extending slots. 15. A grouting pan assembly comprising: (a) a flexible pad;(b) a metallic reinforcement ring attached to the pad;(c) metallic grouting pans attached to the ring;(d) an electrically powered machine adapted to rotate the grouting pans to push grout into voids in a concrete, stone or terrazzo floor; and(e) the ring being adapted to torsionally flex for allowing all of the grouting pans to contact against the floor even when uneven floor conditions are encountered. 16. The assembly of claim 15, further comprising at least one post projecting from a backside of each of the grouting pans. 17. The assembly of claim 16, wherein each of the posts is integrally connected as a single piece with the associated grouting pan, and the posts assist in fastening the grouting pans to the ring. 18. The assembly of claim 15, wherein the ring is annular with circular inner and outer edges, and a central portion of the pad is exposed through a hole defined by the inner edge of the ring. 19. The assembly of claim 15, wherein an inner edge of the reinforcement ring has an undulating shape with the grouting pans located in radially enlarged peaks thereof. 20. The assembly of claim 15, further comprising hook-and-loop fasteners removably securing the pad to a rotatable head of the machine, and the pad is an elastomeric polymer or rubber material with a circular periphery. 21. An apparatus comprising: (a) a rotatable flexible pad including a top surface, a floor-facing bottom surface and a circular peripheral surface;(b) a reinforcement layer, with a circular periphery, attached to the bottom surface of the pad, the reinforcement layer including multiple apertures; and(c) floor-contacting grouting pans each comprising at least one post projecting from a backside thereof, each of the posts extending through an associated one of the apertures in the reinforcement layer, each of the grouting pans including a circular periphery. 22. The apparatus of claim 21, wherein the grouting pans are metal, and the pad is an elastomeric polymer or rubber material. 23. The apparatus of claim 21, wherein the grouting pans push grout into voids in a concrete, stone or terrazzo floor when the grouting pans are rotated. 24. The apparatus of claim 21, wherein a distal end of each of the posts is laterally expanded on an upper side of the reinforcement layer to mechanically attach the associated grouting pan to the reinforcement layer. 25. The apparatus of claim 21, wherein: each of the grouting pans comprise a solid body including a floor-facing flat bottom and a tapered sidewall; andthe post is an integral single piece with the body. 26. The apparatus of claim 21, wherein a lateral width of each of the posts is at least twice that of a projecting longitudinal length of each of the posts. 27. The apparatus of claim 21, wherein: the reinforcement layer is an annular ring having circular inner and outer edges, and a central portion of the pad is exposed through a hole defined by the inner edge of the ring; andthe reinforcement layer is a flexible metallic material. 28. A grouting pan assembly comprising: (a) a flexible and rotatable pad including a floor-facing surface and a circular peripheral surface;(b) a reinforcement layer attached to the floor-facing surface of the pad, the reinforcement layer being stiffer than the pad but being flexible, the reinforcement layer being thinner than the pad, and the reinforcement layer including a central hole through which a portion of the pad is exposed; and(c) metallic grouting pans attached to a floor-facing side of the reinforcement layer, each of the grouting pans including a circular periphery. 29. The assembly of claim 28, wherein each of the grouting pans comprises at least one mechanical fastener projecting from a backside thereof. 30. The assembly of claim 29, wherein the fastener includes a post, each of the posts extends through an associated aperture in the reinforcement layer, and a distal end of each of the posts is laterally expanded on an upper side of the reinforcement layer to mechanically attach the associated grouting pan to the reinforcement layer. 31. The assembly of claim 28, wherein each of the grouting pans includes a floor-facing bottom surface and a curved sidewall connected to the bottom surface of the pan, the curved sidewall includes an angled portion and a rounded edge portion between the bottom surface and the angled portion such that an obtuse included angle is formed therebetween. 32. The assembly of claim 28, wherein the reinforcement layer is metallic. 33. The assembly of claim 28, wherein: the pad includes a rubber or elastomeric material; andthe reinforcement layer provides radial stiffness and torsional flexibility such that one of the grouting pans may move relative to another of the grouting pans. 34. The assembly of claim 28, further comprising: an electrically or fuel powered machine adapted to simultaneously rotate multiples of the pad to grind a concrete, stone or terrazzo floor;the reinforcement layer allowing flexure so that all of the grouting pans can contact the floor even when uneven floor conditions are encountered; andthe reinforcement layer having a thickness no greater than 1 mm. 35. The assembly of claim 28, wherein an inner edge of the reinforcement layer has an undulating shape with the grouting pans located in radially enlarged peaks thereof between which are radially extending slots.
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