Title of Invention | ADJUSTABLE DEBURRING TOOL |
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Abstract | An adjustable deburring tool has a cutting head (12) and a shank (14), The cutting head has a projecting ridge (28) with a recessed portion (30). The shank has a groove (34) that communicates with an open ended and open sided threaded bore. The ridge s stidably located in the groove with an adjusting screw screw-threaded adjusting bore and partially located in the recessed portion of the ridge so that rotation of the adjusting screw causes lateral movement of the cutting head thereby adjusting the cutting diameter of the deburring tool. |
Full Text | WO 2005/037471 PCT/IL2004/000888 -1- ADJUSTABLE DEBURRING TOOL FIELD AND BACKGROUND OF THE INVENTION The present invention relates to an adjustable debarring tool capable of debarring of bones of differing bore diameters. Debarring tools are generally designed to deburr a bore of a. given bore diameter. In order, to deburr bores of differing bore diameters, deburring tools with appropriate diameters are required. Inevitably, each debarring tool requires a cutting blade or cutting insert, designed to match the diameter of the deburrrng tool. Therefore, the capability of deburring bores of different bore diameters requires a stock of deburring tools and a stock of appropriates cutting blades, or inserts, SUMMARY OF THE INVENTION It is an object of the present invention to provide an adjustable debarring tool capable of debuiring bores with a varying range of bore diameter. In accordance with the present invention, there is provided an adjustable deburring tool having a longitudinal axis of rotation and comprising a cutting head adjustably coupled to a shank, the cutting head comprising an insert pocket, a front face and a tear face with, a ridge projecting from the regi face, the ridge having a recessed portion; the shank having a groove communicating with an open ended, and open WO 2005/037471 PCT/IL2004/000888 -2- sided threaded adjusting bore, the ridge being slidably located in the groove with an adjusting screw screw-threaded in the threaded adjusting bore and partially located in the recessed portion of the ridge. Preferably, the ridge has a dove-tail shape and the groove has a complementary dove-tailed shape. In accordance with the present invention, the groove and the threaded adjusting bore extend laterally to the longitudinal axis of rotation, Preferably, the cutting head is provided with two axially extending oval shaped through bores and the shank is provided with two corresponding axially extending threaded securing bores that open out to a front face of the shank. Further preferably, the cutting head is secured to the shank by means of two securing strews that are located in the through bores and screw threaded in the threaded securing bores. Normally, a cutting insert is retained in the insert pocket. BRIEF DESCRIPTION OF THE DRAWINGS For a better understanding, the invention will now be described, by way of example only, with reference to the accompanying drawings in which: Fig. 1 is a side view of a debuning tool in accordance with, the present invention; Fig. 2 is a side view of the deburring tool shown in Fig. 1 with the cutting head in an adjusted position; Fig, 3 is an exploded perspective view of the debuning tool shown in Fig. l; Fig. 4 is bottom perspective view of the cutting head of the deburring tool shown in Fig. 1; and Fig. 5 is a partially cut away top rear perspective view of the deterring tool shown in fig.1. WO 2005/037471 PCT/IL2004/000888 -3- DETAILED DESCRIPTION OF THE INVENTION Attention is first drawn to Figs, I and 2, showing a debarring tool 10 in accordance with the present invention. The deburring tool 10 has a longitudinal axis of rotation A, defining a forward to rear direction, and comprises a generally cylindrical cutting head 12 adjustably coupled to a generally cylindrical shank 14. The cutting head has a gutting insert 16 fixed or slidably retained in. an insert pocket 18. Two cutting edges 20 (20', 20") are shown in the figures. A forward facing cutting edge 20' for detuning the front edge of a boss and a rearward facing cutting edge 20" for debarring the tear edge of a through bore. In Fig. 1, the cutting head 12 is shown in a non-adjusted position. In the non-adjusted position, the deburring tool 10 is capable of debuning a bore with a given minimum diameter determined by the distance of the cutting edges 20 from the longitudinal axis of rotation A. In Fig, 2, the cutting head 12 is shown in an adjusted position. In the adjusted position, the debarring tool 10 is capable of debtming a bare with a diameter larger than the given minimum diameter due to the fact that the cutting head 12 is laterally displaced relative to the non-adjusted position shown in Fig. 1, so that the cuttiog edges 20 are at a greater distance from the longitudinal axis of rotation. A in. Fig, 2. For the convenience of an operator using the deburriflg tool 10, a scale 22 giving the relative displacement of the cutting head 12 relative to the non- adjusted position is provided, Attention is now turned to Figs. 3 to 5. The cutting head 12 has a front face 24 and a rear face 26 with a laterally extending ridge 28 projecting from, the rear face 26. The ridge 28 has a recessed portion 30. The ridge 28 has a dove-tail shape, that is, it diverges outwardly and rearwardly. The shank 14 has at its front fece 32 a laterally extending groove 34 which has a complementary dove-tailed shape to that of the ridge 28 which enables the ridge 28 to be inserted into it in a direction perpendicular to the longitudinal axis of rotation A. The WO 2005/037471 PCT/IL2004/000888 -4- cutting head 12 can move laterally, perpendicular to the longitudinal axis of rotation A, with the ridge 28 sliding in the groove 34. The dove-tail connection between the ridge 28 and the groove 34 ensures a certain degree of stability, so that while the ridge 28 is sliding in the groove 34 it will not fall out of the groove 34 to the front face 32 of the shank 14, The groove 34 communicates with, a laterally extending open, ended and open sided threaded adjusting bore 36. Lateral adjustment of the cutting head 12 relative to the shank 14 is performed by means of an adjusting screw 38. The cutting head 12 is adjustably connected to the shank 14 with the ridge 28 located, in the groove 34, the adjusting screw 38 located partially in the recessed portion 30 of the ridge 28 and screw-threaded in the threaded adjusting bore 36. When the adjusting screw 38 is rotated it moves laterally in the threaded adjusting bore 36 and at the same time urges the cutting head 12 laterally since it is located partially in the recessed portion 30 of the ridge 28. The cutting head is provided with two axialty extending oval shaped through bores 40 and the shank 14 is provided with two corresponding axially extending threaded securing boreg 42 that opea out to the front face 32 of the shank 14. The cutting head 12 is secured to the shank 14 by means of two securing screws 44 that are located in the through bores 40 and screw threaded in the threaded securing bores 42. When adjusting, the lateral position of the cutting head 12, it is sufficient to loosen the securing screws 44, they do cot have to be completely removed since the oval shape of the throngh bores 40 is sufficient to ensure free lateral movement of the cutting head 12. It will be appreciated that the mechanism described hereinabove for lateral adjustment of the cutting head 12 enables the lateral location, of the cutting edges 20 to be adjusted over a continuous range of values, thereby enabling the deburring tool 10 to deburr bores over a continuous range of diameters. The same cutting insert 16 being used for all the required diameters. WO 2005/037471 PCT/IL2004/000888 -5- Although the present invention has been described to a certain degree of particularity, it should be understood that various alterations and modifications could be made without departing from the scope of the invention as hereinafter claimed WO 2005/037471 PCT/IL2004/000888 -6- CLAIMS: 1. An adjustable debarring tool (10) having a longitudinal axis of rotation A and comprising a cutting head (12) adjustably coupled to a shank (14), the cutting head (12) comprising an insert pocket (18), a front face (24) and a rear face (26) with a ridge (28) projecting from the rear face (26), the ridge (28) having a recessed portion (30); the shank (14) having a groove (34) communicating with an open ended and open sided threaded adjusting tore (36), the ridge (28) being slidably located in the groove (34) with an adjusting screw (38) screw-threaded in the threaded adjusting bore (42) and partially located in the recessed portion (30) of the ridge (28). 2. The adjustable deburring tool (10) of claim 1, wherein the ridge (28) has a dove-tail shape and the groove (34) has a complementary dove-tailed shape. 3. The adjustable deburring tool (10) of claim 1, wherein the groove (34) and the threaded adjusting bore (42) extend laterally to the longitudinal axis of rotation A.. 4. The adjustable deburring tool (10) of claim 1, wherein the cutting head (12) is provided with two axially extending oval shaped through bores (40) and the shank (14) is provided with two corresponding axially extending threaded seeming hores (42) that open out to a front face (32) of the shank (14). 5. The adjustable deburring tool (10) of claim 4, wherein the cutting head (12) is secured to the shank (14) by means of two securing screws (44) that are located in the through bores (40) and screw threaded in the threaded securing bores (42). 6. The adjustable deburring tool (10) of claim 1, further comprising a cutting insert (16) retained in the insert pocket (18). An adjustable deburring tool has a cutting head (12) and a shank (14), The cutting head has a projecting ridge (28) with a recessed portion (30). The shank has a groove (34) that communicates with an open ended and open sided threaded bore. The ridge s stidably located in the groove with an adjusting screw screw-threaded adjusting bore and partially located in the recessed portion of the ridge so that rotation of the adjusting screw causes lateral movement of the cutting head thereby adjusting the cutting diameter of the deburring tool. |
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00695-kolnp-2006-claims1.0.pdf
00695-kolnp-2006-claims1.1.pdf
00695-kolnp-2006-description complete.pdf
00695-kolnp-2006-international publication.pdf
00695-kolnp-2006-international search report.pdf
00695-kolnp-2006-pct request.pdf
00695-kolnp-2006-priority document.pdf
695-KOLNP-2006-ASSIGNMENT.1.3.pdf
695-KOLNP-2006-CORRESPONDENCE 1.2.pdf
695-KOLNP-2006-CORRESPONDENCE-1.1.pdf
695-KOLNP-2006-CORRESPONDENCE.1.3.pdf
695-KOLNP-2006-CORRESPONDENCE.pdf
695-KOLNP-2006-EXAMINATION REPORT.1.3.pdf
695-KOLNP-2006-FORM 13.1.3.pdf
695-KOLNP-2006-FORM 18.1.3.pdf
695-KOLNP-2006-GRANTED-ABSTRACT.pdf
695-KOLNP-2006-GRANTED-CLAIMS.pdf
695-KOLNP-2006-GRANTED-DESCRIPTION (COMPLETE).pdf
695-KOLNP-2006-GRANTED-DRAWINGS.pdf
695-KOLNP-2006-GRANTED-FORM 1.pdf
695-KOLNP-2006-GRANTED-FORM 2.pdf
695-KOLNP-2006-GRANTED-LETTER PATENT.pdf
695-KOLNP-2006-GRANTED-SPECIFICATION.pdf
695-KOLNP-2006-OTHERS PCT FORM.pdf
695-KOLNP-2006-PETITION UNDER RULE 137.pdf
695-KOLNP-2006-REPLY TO EXAMINATION REPORT.1.3.pdf
695-KOLNP-2006-REPLY TO EXAMINATION REPORT.pdf
Patent Number | 247956 | ||||||||
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Indian Patent Application Number | 695/KOLNP/2006 | ||||||||
PG Journal Number | 23/2011 | ||||||||
Publication Date | 10-Jun-2011 | ||||||||
Grant Date | 06-Jun-2011 | ||||||||
Date of Filing | 23-Mar-2006 | ||||||||
Name of Patentee | ISCAR LTD | ||||||||
Applicant Address | P.O. BOX 11, TEFEN | ||||||||
Inventors:
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PCT International Classification Number | B23B 29/034 | ||||||||
PCT International Application Number | PCT/IL04/000888 | ||||||||
PCT International Filing date | 2004-09-22 | ||||||||
PCT Conventions:
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