[특허]Skate blade sharpening system with alignment adjustment using alignment wheel

VELASA SPORTS, INC.

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Skate blade sharpening system with alignment adjustment using alignment wheel

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B24B-049/12 B24B-003/00 B24B-045/00 G01B-005/255 A63C-003/10
출원번호	US-0723564 (2015-05-28)
등록번호	US-9573236 (2017-02-21)
발명자 / 주소	Layton, Jr., Russell K. Beaudet, Daniel A. Goryachev, Ivan D. Hanczor, Matt
출원인 / 주소	VELASA SPORTS, INC.
대리인 / 주소	Knobbe, Martens, Olson & Bear LLP
인용정보	피인용 횟수 : 4 인용 특허 : 53

초록
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A skate blade sharpening system retains a skate blade in a sharpening position whose centerline has a first location relative to a first visual reference feature. A motor-driven rotating shaft has a wheel-mounting location for mounting a grinding wheel for sharpening operation. The shaft accepts an alignment wheel at the wheel-mounting location during an alignment, the alignment wheel having a second visual reference feature having a second location relative to a centerline of the grinding wheel when occupying the wheel-mounting location. An adjustment mechanism moves the shaft transversely during alignment to vary relative position between the wheel-mounting location and the sharpening position including an aligned position in which the centerline of the grinding wheel is aligned with the centerline of the sharpening position, the aligned position being indicated by alignment of the first visual reference feature with the second visual reference feature during alignment.

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1. A skate blade sharpening system, comprising: a clamp configured to retain a skate blade in a sharpening position, a centerline of the sharpening position having a first predetermined location relative to a first visual reference feature of the skate sharpening system;a motor-driven rotating shaft, the shaft having a wheel-mounting location at which a grinding wheel is mounted to rotate with the shaft and contact the skate blade in the sharpening position during a sharpening operation, the shaft also accepting an alignment wheel mounted at the wheel-mounting location during an alignment operation, the alignment wheel having a second visual reference feature that, when the alignment wheel occupies the wheel-mounting location, has a second predetermined location relative to a centerline of the grinding wheel when occupying the wheel-mounting location; andan adjustment mechanism for moving the shaft transversely during the alignment operation to vary a relative position between the wheel-mounting location and the sharpening position across a range, the range including an aligned position of the wheel-mounting location in which the centerline of the grinding wheel when occupying the wheel-mounting location is aligned with the centerline of the sharpening position, the aligned position being indicated by alignment of the first visual reference feature with the second visual reference feature during the alignment operation. 2. A skate blade sharpening system according to claim 1, wherein the second visual reference feature includes an alignment notch or protrusion on the alignment wheel, and wherein the first visual reference feature includes an indicator feature placed along a path of the alignment wheel for the alignment operation. 3. A skate blade sharpening system according to claim 2, wherein the indicator feature is part of an alignment tool used for the alignment operation, the alignment tool including a blade-like portion having a centerline at the first predetermined location relative to the indicator feature, and wherein the clamp is configured to retain the blade-like portion of the alignment tool in the sharpening position during the alignment operation. 4. A skate blade sharpening system according to claim 3, wherein the indicator feature is a flag secured at one surface of the blade-like component, the flag presenting an edge in a direction of viewing the indicator feature in the alignment operation. 5. A skate blade sharpening system according to claim 3, wherein the alignment tool includes a magnifying lens disposed along a line of sight to an area of the first visual reference feature, the magnifying lens presenting an enlarged image of the area to a user during the alignment operation, and wherein the clamp is configured to leave the line of sight unobstructed when the alignment tool is in the sharpening position to permit viewing of the area during the alignment operation. 6. A skate blade sharpening system according to claim 5, wherein the clamp includes a pair of opposed jaws having endward clamping portions and a central open area through which the line of sight extends. 7. A skate blade sharpening system according to claim 3, wherein the clamp is co-configured with the alignment tool with respective keying features by which the blade-like portion of the alignment tool is retained in a precise position to place the indicator feature immediately adjacent to a surface of the alignment wheel during the alignment operation. 8. A skate blade sharpening system according to claim 7, wherein the clamp includes a pair of opposed jaws, and wherein the keying features include a protrusion from a face of the blade-like portion of the alignment tool and a corresponding notch in one of the jaws, the notch receiving the protrusion when the blade-like portion of the alignment tool is retained in the precise position. 9. A skate blade sharpening system according to claim 7, wherein the alignment tool has a housing including first keying features and/or visual alignment features, and further including a platform supporting the clamp and having second keying and/or visual alignment features corresponding to the first keying features. 10. A skate blade sharpening system according to claim 9, wherein the second keying and/or visual alignment features include a recess in the platform into which the alignment tool fits only one way. 11. A skate blade sharpening system according to claim 1, wherein the first and second visual reference features have different appearances along a correct line of sight than off the correct line of sight to enable detection of parallax. 12. A skate blade sharpening system according to claim 1, further including (i) a carriage on which a motor arm is mounted, the carriage being movable in the direction of the centerline of the skate blade during the sharpening operation, and (ii) a controller operative to (a) move the carriage to move the grinding wheel along a length of the skate blade during sharpening, and (b) during the alignment operation, move the carriage to bring the second visual reference feature adjacent to the first visual reference feature for viewing their relative positions. 13. A skate blade sharpening system according to claim 1, further including: machine vision apparatus operative to perceive relative alignment between the first and second visual reference features and to generate a corresponding alignment signal indicating alignment status, the alignment status and the adjustment mechanism being used by a separate actor to align the first visual reference feature with the second visual reference feature. 14. A skate blade sharpening system according to claim 13, wherein the adjustment mechanism is operative in response to an electrical adjustment signal, and wherein the separate actor includes a controller operative in response to the alignment signal to generate the electrical adjustment signal to align the first visual reference feature with the second visual reference feature. 15. A skate blade sharpening system according to claim 1, wherein the adjustment mechanism includes: a pivot spindle having a long axis transverse to the centerline of the grinding wheel;a bearing on which a motor arm is mounted for pivoting about the pivot spindle to enable the grinding wheel to follow a profile of the skate blade during sharpening;a bushing disposed between the pivot spindle and an inner race of the bearing, the bushing providing for transverse movement of the motor arm by permitting movement of the bearing along the long axis of the pivot spindle. 16. A skate blade sharpening system according to claim 15, further including (i) a spring generating a bias force urging against a side face of the inner race of the bearing, and (ii) an adjustable stop member on the pivot spindle against which the motor arm is urged by the bias force, the stop member being moved under user control to move the motor arm transversely. 17. A skate blade sharpening system according to claim 16, wherein the pivot spindle has screw threading and the stop member includes a threaded nut engaging the screw threading of the pivot spindle, the threaded nut being rotated under the user control. 18. A skate blade sharpening system according to claim 17, wherein the threaded nut includes a driven gear, and wherein the adjustment mechanism further includes: an adjustment spindle mounted adjacent to and extending in the same direction as the pivot spindle;a user-rotatable adjustment knob mounted at one end of the spindle to enable a user to rotate the adjustment spindle; anda driving gear mounted at the other end of the adjustment spindle and engaging the driven gear of the threaded nut to cause the threaded nut to rotate as the user rotates the adjustment knob. 19. A skate blade sharpening system according to claim 18, wherein the adjustment spindle is below a bottom edge of the skate blade. 20. A skate blade sharpening system according to claim 17, wherein the stop member further includes a detent mechanism providing a plurality of detent positions to prevent the threaded nut from rotating during the sharpening operation. 21. A method of aligning a grinding wheel to a sharpening position in a skate blade sharpening system, the sharpening position being occupied by a skate blade during sharpening, the sharpening system including a first visual reference feature having a first predetermined location relative to a centerline of the sharpening position, the method comprising: mounting an alignment wheel at a wheel-mounting location on a motor-driven shaft of the sharpening system, the shaft being movable transversely by an adjustment mechanism to vary a relative position between the shaft and the sharpening position, the alignment wheel having a second visual reference feature having a second predetermined location relative to a centerline of the grinding wheel when subsequently occupying the wheel-mounting location in a sharpening operation; andoperating the adjustment mechanism to bring the second visual reference feature into alignment with the first visual reference feature, thereby bringing the wheel-mounting location of the shaft to an aligned position in which the centerline of the grinding wheel when occupying the wheel-mounting location is aligned with the centerline of the sharpening position. 22. A method according to claim 21, further including: placing an alignment tool in the skate sharpening system and using the alignment tool in the visually observing and adjustment-mechanism operating, the alignment tool carrying the first visual reference feature and including a blade-like portion placed in the sharpening position, the first visual reference feature being located at the first predetermined location relative to a centerline of the blade-like portion. 23. A method according to claim 21, wherein the second visual reference feature includes an alignment notch or protrusion on the alignment wheel, and wherein the first visual reference feature includes an indicator feature placed along a path of the alignment wheel for an alignment operation.

이 특허에 인용된 특허 (53)

이 특허를 인용한 특허 피인용횟수: 4

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Skate blade sharpening system with alignment adjustment using alignment wheel

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이 특허에 인용된 특허 (53)

이 특허를 인용한 특허 피인용횟수: 4

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Skate blade sharpening system with alignment adjustment using alignment wheel

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이 특허에 인용된 특허 (53)

이 특허를 인용한 특허 피인용횟수: 4

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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