IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0460617
(2009-07-22)
|
등록번호 |
US-8353278
(2013-01-15)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- C.M.S.-North America, Inc.
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
14 |
초록
▼
A rotary stone cutting tool and method for making countertops and the like includes a shank shaped for detachable connection with a rotary drive. A cup-shaped cutting blade is mounted on the outer end of the shank, and has a frusto-conical sidewall and an outer marginal edge with axially protruding
A rotary stone cutting tool and method for making countertops and the like includes a shank shaped for detachable connection with a rotary drive. A cup-shaped cutting blade is mounted on the outer end of the shank, and has a frusto-conical sidewall and an outer marginal edge with axially protruding cutting teeth. A plurality of cutting pads are embedded in the sidewall and protrude radially outwardly therefrom. The blade is advanced through a stone slab with the sidewall oriented generally perpendicular to the face of the stone slab to cut an arcuate portion of an inside corner with reduced waste.
대표청구항
▼
1. A rotary stone cutting tool for making countertops and the like, comprising: a rigid cutting tool shank having an outer end thereof, and an inner end thereof configured for detachably mounting in a rotary drive;a flat circularly-shaped saw blade operably connected with said shank for rotation the
1. A rotary stone cutting tool for making countertops and the like, comprising: a rigid cutting tool shank having an outer end thereof, and an inner end thereof configured for detachably mounting in a rotary drive;a flat circularly-shaped saw blade operably connected with said shank for rotation therewith, and configured to make mutually angled straight cuts through a generally flat face of a stationary stone slab when said stone cutting tool is in a first angular position to define straight portions of an inside corner in the stone slab; anda cup-shaped cutting blade fixedly connected with said outer end of said shank for rotation therewith, configured to make an arcuate cut through the stone slab when said stone cutting tool is in a second angular position, and having:a frusto-conical sidewall which is inclined radially outwardly from said shank and includes an outer marginal edge with a plurality of axially protruding cutting teeth; anda plurality of cutting pads embedded in said sidewall and protruding radially outwardly therefrom, whereby said stone cutting tool is advanced into and through the stone slab in said second angular position with said sidewall oriented generally perpendicular to the face of the stone slab to cut an arcuate portion of the inside corner therein with reduced waste. 2. A rotary stone cutting tool as set forth in claim 1, wherein: said cutting teeth comprise a plurality of composite inserts fixedly mounted along said outer marginal edge of said sidewall in a circumferentially spaced apart relationship. 3. A rotary stone cutting tool as set forth in claim 2, wherein: said cutting blade has an axial axis of rotation; andsaid sidewall is inclined at an angle in the range of 20-40 degrees relative to said axial axis of rotation of said cutting blade. 4. A rotary stone cutting tool as set forth in claim 3, wherein: said cutting pads comprise a plurality of composite inserts fixedly mounted in said sidewall in a circumferentially spaced apart relationship. 5. A rotary stone cutting tool as set forth in claim 4, wherein: said cutting teeth are oriented in a coplanar relationship with said sidewall. 6. A rotary stone cutting tool as set forth in claim 5, wherein: said cutting pads protrude radially outwardly from an outside surface of said sidewall and radially inwardly from an inside surface of said sidewall. 7. A rotary stone cutting tool as set forth in claim 6, wherein: said cutting pads are disk-shaped with opposite circular faces. 8. A rotary stone cutting tool as set forth in claim 7, wherein: adjacent ones of said cutting pads are arranged along said sidewall in an axially spaced apart relationship. 9. A rotary stone cutting tool as set forth in claim 8, wherein: said sidewall is inclined at an angle of around 30 degrees relative to said axial axis of rotation of said cutting blade. 10. A rotary stone cutting tool as set forth in claim 9, wherein: said cutting blade includes a generally flat inner end with a circular plan configuration for connection with said outer end of said shank. 11. A rotary stone cutting tool as set forth in claim 10, including: fasteners detachably mounting said cup-shaped cutting blade on said outer end of said shank to facilitate repair and replacement of said cup-shaped cutting blade. 12. A rotary stone cutting tool as set forth in claim 11, wherein: said circularly-shaped saw blade is disposed generally perpendicular to the face of the stone slab in said first angular position. 13. The rotary stone cutting tool as set forth in claim 12, wherein: said cup-shaped cutting blade defines a first cup-shaped cutting blade having a first marginal edge diameter, which makes a second arcuate cut through the stone slab; and includinga second cup-shaped cutting blade operably connected with the rotary drive for rotation therewith, configured to make a first arcuate cut through the stone slab when said stone cutting tool is in said second angular position, and having a frusto-conical sidewall which is inclined radially outwardly and includes an outer marginal edge with a plurality of axially protruding cutting teeth, and a plurality of cutting pads embedded in said sidewall and protruding radially outwardly therefrom, and a second marginal edge diameter which is greater than said first marginal edge diameter and makes the first arcuate cut through the stone slab. 14. A rotary stone cutting tool as set forth in claim 1, wherein: said cutting teeth are oriented in a coplanar relationship with said sidewall; andsaid cutting pads protrude radially outwardly from an outside surface of said sidewall, and radially inwardly from an inside surface of said sidewall. 15. A rotary stone cutting tool as set forth in claim 1, wherein: said cutting blade has an axial axis of rotation; andsaid sidewall is inclined at an angle in the range of 20-40 degrees relative to said axial axis of rotation of said cutting blade. 16. A rotary stone cutting tool as set forth in claim 1, wherein: said cutting pads comprise a plurality of composite inserts fixedly mounted in said sidewall in a circumferentially spaced apart relationship. 17. A rotary stone cutting tool as set forth in claim 1, wherein: said cutting teeth are oriented in a coplanar relationship with said sidewall. 18. A rotary stone cutting tool as set forth in claim 1, wherein: said cutting pads protrude radially outwardly from an outside surface of said sidewall, and radially inwardly from an inside surface of said sidewall. 19. A rotary stone cutting tool as set forth in claim 1, wherein: said cutting pads are disk-shaped with opposite circular faces. 20. A rotary stone cutting tool as set forth in claim 1, wherein: adjacent ones of said cutting pads are arranged along said sidewall in an axially spaced apart relationship. 21. A rotary stone cutting tool as set forth in claim 1, wherein: said cutting blade has an axial axis of rotation; andsaid sidewall is inclined at an angle of around 30 degrees relative to said axial axis of rotation of said cutting blade. 22. A rotary stone cutting tool as set forth in claim 1, wherein: said cutting blade includes a generally flat inner end with a circular plan configuration for connection with said outer end of said shank. 23. A rotary stone cutting tool as set forth in claim 1, including: fasteners detachably mounting said cup-shaped cutting blade on said outer end of said shank to facilitate repair and replacement of said cup-shaped cutting blade. 24. A rotary stone cutting tool as set forth in claim 1, wherein: said circularly-shaped saw blade is disposed generally perpendicular to the face of the stone slab in said first angular position. 25. A rotary stone cutting tool as set forth in claim 1, wherein: said cup-shaped cutting blade defines a first cup-shaped cutting blade having a first marginal edge diameter, which makes a second arcuate cut through the stone slab; and includinga second cup-shaped cutting blade operably connected with the rotary drive for rotation therewith, configured to make a first arcuate cut through the stone slab when said stone cutting tool is in said second angular position, and having a frusto-conical sidewall which is inclined radially outwardly and includes an outer marginal edge with a plurality of axially protruding cutting teeth, and a plurality of cutting pads embedded in said sidewall and protruding radially outwardly therefrom, and a second marginal edge diameter which is greater than said first marginal edge diameter and makes the first arcuate cut through the stone slab. 26. An apparatus for making stone countertops and the like, comprising: a rotary drive adapted for axially rotating an associated tool with respect to a stationary stone slab having at least one generally flat face, and being shiftable between first and second angular positions relative to the face of the stone slab; anda stone cutting tool, comprising:a rigid cutting tool shank having an outer end thereof, and an inner end thereof detachably mounted in said rotary drive and rotating axially therewith;a flat circularly-shaped saw blade operably connected with said shank for rotation therewith, and configured to make mutually angled straight cuts through the stone slab when said rotary drive is in said first angular position to define straight portions of an inside corner in the stone slab; anda cup-shaped cutting blade fixedly connected with said outer end of said shank for rotation therewith, configured to make an arcuate cut through the stone slab when said rotary drive is in said second angular position, and having a frusto-conical sidewall which is inclined radially outwardly from said shank and includes an outer marginal edge with a plurality of axially protruding cutting teeth, and a plurality of cutting pads embedded in said sidewall and protruding radially outwardly therefrom, whereby said stone cutting tool is advanced into and through the stone slab in said second angular position with said sidewall oriented generally perpendicular to the face of the stone slab to cut an arcuate portion of the inside corner therein with reduced waste. 27. An apparatus as set forth in claim 26, including: a computer numerical control device operably connected with said rotary drive and automatically shifting the same relative to the stone slab between said first and second angular positions to form the inside corner in the stone slab. 28. An apparatus as set forth in claim 27, wherein: said cutting teeth comprise a plurality of composite inserts fixedly mounted along said outer marginal edge of said sidewall in a circumferentially spaced apart relationship. 29. An apparatus as set forth in claim 28, wherein: said cutting blade has an axial axis of rotation; andsaid sidewall is inclined at an angle of around 30 degrees relative to said axial axis of rotation of said cutting blade. 30. An apparatus as set forth in claim 29, wherein: said cutting teeth are oriented in a coplanar relationship with said sidewall. 31. An apparatus as set forth in claim 30, wherein: said cutting pads comprise a plurality of composite inserts fixedly mounted in said sidewall in an axially spaced apart relationship. 32. An apparatus as set forth in claim 31, wherein: said cutting pads protrude radially outwardly from an outside surface of said sidewall, and radially inwardly from an inside surface of said sidewall. 33. An apparatus as set forth in claim 32, wherein: adjacent ones of said cutting pads are arranged along said sidewall in an axially spaced apart relationship. 34. A rotary stone cutting tool for making countertops and the like, comprising: a rigid cutting tool shank having an outer end thereof, and an inner end thereof configured for detachably mounting in a rotary drive; anda cup-shaped cutting blade fixedly connected with said outer end of said shank for rotation therewith, configured to make an arcuate cut through an inside corner of the stone slab, and having:a frusto-conical sidewall which is inclined radially outwardly from said shank and includes an outer marginal edge with a plurality of axially protruding cutting teeth; anda plurality of cutting pads embedded in said sidewall and protruding radially outwardly therefrom, whereby said stone cutting tool is advanced into and through the stone slab with said sidewall oriented generally perpendicular to the face of the stone slab to cut an arcuate portion of the inside corner therein with reduced waste. 35. A rotary stone cutting tool as set forth in claim 34, wherein: said cutting teeth comprise a plurality of composite inserts fixedly mounted along said outer marginal edge of said sidewall in a circumferentially spaced apart relationship. 36. A rotary stone cutting tool as set forth in claim 35, wherein: said cutting tool has an axial axis of rotation; andsaid sidewall is inclined at an angle in the range of 20-40 degrees relative to the axial axis of rotation of said cutting blade. 37. A rotary stone cutting tool as set forth in claim 36, wherein: said cutting teeth are oriented in a coplanar relationship with said sidewall. 38. A rotary stone cutting tool as set forth in claim 37, wherein: said cutting pads comprise a plurality of composite inserts fixedly mounted in said sidewall in an axially spaced apart relationship. 39. A rotary stone cutting tool as set forth in claim 38, wherein: said cutting pads protrude radially outwardly from an outside surface of said sidewall, and radially inwardly from an inside surface of said sidewall. 40. A rotary stone cutting tool as set forth in claim 39, wherein: said cutting pads are disk-shaped with opposite circular faces. 41. A rotary stone cutting tool as set forth in claim 40, wherein: adjacent ones of said cutting pads are arranged along said sidewall in an axially spaced apart relationship. 42. A rotary stone cutting tool as set forth in claim 41, wherein: said sidewall is inclined at an angle of around 30 degrees relative to the axial axis of rotation of said cutting blade. 43. A rotary stone cutting tool as set forth in claim 42, wherein: said cutting blade includes a generally flat inner end with a circular plan configuration for connection with said outer end of said shank. 44. A rotary stone cutting tool as set forth in claim 43, including: fasteners detachably mounting said cup-shaped cutting blade on said outer end of said shank to facilitate repair and replacement of said cup-shaped cutting blade. 45. A rotary stone cutting tool as set forth in claim 44, including: a flat circularly-shaped saw blade operably connected with said shank for rotation therewith, and configured to make mutually angled straight cuts through the stone slab to define straight portions of the inside corner in the stone slab. 46. A rotary stone cutting tool as set forth in claim 34, wherein: said cutting tool has an axial axis of rotation; andsaid sidewall is inclined at an angle in the range of 20-40 degrees relative to the axial axis of rotation of said cutting blade. 47. A rotary stone cutting tool as set forth in claim 34, wherein: said cutting teeth are oriented in a coplanar relationship with said sidewall. 48. A rotary stone cutting tool as set forth in claim 34, wherein: said cutting pads comprise a plurality of composite inserts fixedly mounted in said sidewall in an axially spaced apart relationship. 49. A rotary stone cutting tool as set forth in claim 34, wherein: said cutting pads protrude radially outwardly from an outside surface of said sidewall, and radially inwardly from an inside surface of said sidewall. 50. A rotary stone cutting tool as set forth in claim 34, wherein: said cutting pads are disk-shaped with opposite circular faces. 51. A rotary stone cutting tool as set forth in claim 34, wherein: adjacent ones of said cutting pads are arranged along said sidewall in an axially spaced apart relationship. 52. A rotary stone cutting tool as set forth in claim 34, wherein: said cutting tool has an axial axis of rotation; andsaid sidewall is inclined at an angle of around 30 degrees relative to said axial axis of rotation of said cutting blade. 53. A rotary stone cutting tool as set forth in claim 34, wherein: said cutting blade includes a generally flat inner end with a circular plan configuration for connection with said outer end of said shank. 54. A rotary stone cutting tool as set forth in claim 34, including: fasteners detachably mounting said cup-shaped cutting blade on said outer end of said shank to facilitate repair and replacement of said cup-shaped cutting blade. 55. A rotary stone cutting tool as set forth in claim 23, including: a flat circularly-shaped saw blade operably connected with said shank for rotation therewith, and configured to make mutually angled straight cuts through the stone slab to define straight portions of the inside corner in the stone slab.
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