Title of Invention

ADJUSTABLE DEBURRING TOOL

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
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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

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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.

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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

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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.

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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

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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.

Documents:

00695-kolnp-2006-abstract.pdf

00695-kolnp-2006-claims1.0.pdf

00695-kolnp-2006-claims1.1.pdf

00695-kolnp-2006-description complete.pdf

00695-kolnp-2006-drawings.pdf

00695-kolnp-2006-form 1.pdf

00695-kolnp-2006-form 2.pdf

00695-kolnp-2006-form 3.pdf

00695-kolnp-2006-form 5.pdf

00695-kolnp-2006-gpa.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-ASSIGNMENT.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 13.pdf

695-KOLNP-2006-FORM 18.1.3.pdf

695-KOLNP-2006-FORM 3 1.1.pdf

695-KOLNP-2006-FORM 3.1.3.pdf

695-KOLNP-2006-FORM 3.pdf

695-KOLNP-2006-FORM 5.1.3.pdf

695-KOLNP-2006-FORM 6.1.3.pdf

695-KOLNP-2006-FORM 6.pdf

695-KOLNP-2006-FORM-27-1.pdf

695-KOLNP-2006-FORM-27.pdf

695-KOLNP-2006-GPA.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-OTHERS.1.3.pdf

695-KOLNP-2006-OTHERS.pdf

695-KOLNP-2006-PA.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

abstract-00695-kolnp-2006.jpg


Patent Number 247956
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:
# Inventor's Name Inventor's Address
1 HECHT, GLL 30/18 AHAD HA'AM STREET, NAHARIYA, 22443 ISRAEL
PCT International Classification Number B23B 29/034
PCT International Application Number PCT/IL04/000888
PCT International Filing date 2004-09-22
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 158498 2003-10-20 Israel