US3252223A - Angle gauging device - Google Patents

Angle gauging device Download PDF

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US3252223A
US3252223A US311426A US31142663A US3252223A US 3252223 A US3252223 A US 3252223A US 311426 A US311426 A US 311426A US 31142663 A US31142663 A US 31142663A US 3252223 A US3252223 A US 3252223A
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plate
blade
edge
roll
plates
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US311426A
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Aaron L Gettel
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Kimberly Clark Corp
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Kimberly Clark Corp
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Instruments as specified in the subgroups and characterised by the use of mechanical measuring means
    • G01B3/56Gauges for measuring angles or tapers, e.g. conical calipers

Description

May 24, 1966 A. L. GETTEL 3,252,223

ANGLE GAUGING DEVICE Filed Sept. 25, 1963 3 Sheets-Sheet l III May 24, 1966 A. L GETTEL 3,252,223

ANGLE GAUGING DEVICE Filed Sept. 25, 1963 3 Sheets-Sheet 2 FIG.2

May 24, 1966 A. L. GETTEL ANGLE GAUGING DEVICE 3 Sheets-Sheet 3 Filed Sept. 25, 1963 United States Patent 3,252,223 ANGLE GAUGING DEVICE Aaron L. Gettel, Neenah, Wis, assignor to Kimberly- Clark Corporation, Neenah, Wis., a corporation of Delaware Filed Sept. 25, 1963, Ser. No. 311,426 4 Claims. (Cl. 333-485) This invention relates to angle gauging devices and more particularly to an angle setting device for positioning a blade angularly in engagement with a roll periphery.

In many operations a longitudinally extending blade engages a roll periphery along the roll length. Such blades are used, for example, as scraping blades to maintain the roll clean or in coating devices to insure of a smooth coating lay on fabrics, paper and the like. The angle of contact of the blade with the roll, that is, the angle between the blade and a tangent to the roll along the line of blade contact is frequently an important consideration in such operations. It is an object of this invention to provide a novel angle gauging device for a blade-roll combination which does not require attachment to the equipment but may be retained by hand, and which may be utilized even when the roll is in operation.

It is another important object of this invention to provide an angle gauging device for blade-roll combinations which is useful over a wide range of roll diameters.

It is a further object of the invention to provide an angle gauging device composed of relatively few components and the adjustable elements of which are easily and conveniently positioned.

These and other allied objects of the invention will be more fully understood by reference to the following detailed description and accompanying drawings wherein:

FIG. 1 is a top plan view, with parts broken away, il lustrating a preferred embodiment of the structure of the invention;

FIG. 2 is a view, on a smaller scale, illustrating a mode of use of an embodiment of the invention as shown in FIG. 1;

FIG. 3 is a view of a component part of the structure of FIG. 1;

FIG. 4 is a view of another component part of the structure of FIG. 1; and I FIG. 5 is a fragmentary view in perspective illustrating the device of invention mounted in position for the setting of an angle between a blade and a backing roll.

Referring to the drawings more in detail and initially particularly to FIG. 1, the numeral 1 designates a first plate member in the general form of a quadrant of a circle as viewed in plan. A second plate member also in the general form of a quadrant is designated by the numeral 2. These plate members, as illustrated, are superposed and are formed of relatively rigid material such as metal or plastic to inhibit against wear and distortion in use.

Plate member 1 has offset edges 3, 4 and an arcuate periphery 5; a quadrature adjustment spindle 6 extends through the periphery 5 slidably through the plate member and projects (FIG. 1) outwardly of and perpendicularly to the linear offset edge 3, a set screw 7 retaining the spindle 6 in adjusted position. This quadrature adjustment spindle 6 is so termed because it positions a blade (FIGS. 2 and 5) and the plate member 1 in a fixed angular relationship as will be noted more fully hereinafter. For this latter purpose the spindle 6 is graduated at one end having indicia at 8 (FIG. 4) so that it may be set a fixed distance from the linear offset edge 3.

The plate member 1 has a linearly and radially extending edge 9 which, in the embodiment illustrated, serves as an index for indicating the angular position of plate member 1 relative to the plate 2.

Plate member 1 is also provided with arcuate slots 10, 11; a conventional bolt and wing nut assembly designated by the numeral 12 is received in the slots as shown, the bolts of the assembly passing through apertures of the plate member 2 (not shown) but similar to those illustrated at 13, 14. The apertures 13, 14 in the embodiment as described are not utilized but are convenient auxiliary apertures arranged to register with the slots and useful at some plate member positions. The cooperating slots .and assemblies form convenient fastening means to lock the plate members together in the superposed relation and to prevent relative pivotal movement between the plate members.

The second plate member 2 has an arcuate peripheral edge 15 bordered by a readily visible angle scale which is traversed by the edge 9 of plate member 1 in relative movement of the plate members. Plate member 2 also has a linear radially extending edge 16 and offset edges 17, 18. These latter edges serve to prevent plate member 2 extension beyondedges 3 and 4 of plate 1 at high angles. A roll curvature compensating adjustable spindle 19 passes slidably through the edge 15, the body of the plate member and perpendicularly to the edge 16, projecting from the latter to engage a roll periphery and to space the plate member 2 relative to the roll periphery. For this latter purpose spindle 19 carries a scale 20 (FIG. 3) and the spindle is retained in an adjustedposition by set screw 21. Spindle 19 is adjustably positioned in accordance With the diameter of the roll against which the blade is to bear; for larger diameter rolls the spindle projects from edge 16 a shorter distance. This is indicated in FIG. 1 by the range of diameter dimensions conveniently shown at 22 along the edge 16, the roll diameter range running from 16" to Each roll diameter set out corresponds to a marking on the spindle scale 20, the 100" diameter roll corresponding to the marking designated at a and 16" diameter roll corresponding to the inner mark b as shown in FIG. 3. In essence, these markings or indicia in linear units are representative of roll diameters. As shown in FIG. 1, the setting corresponds to that of a 20" roll diameter. To attain a setting for a listed roll diameter, it is merely necessary to count down the diameter range and inwardly on the scale 20; other diameter settings of scale 20 may be readily calculated if required.

, The plate members 1, 2 (FIG. 1) in their superposed relation provide the device Withessentially a common apex 23 which is the center of the circles which contain the arcuate slots 10, 11. Accordingly, the plate members in their relative and independent movement rotate about a common axis defined by the plateapices at 23. The offset edges of each plate serve to inhibit against interference with other equipment and to provide for a wide range of angle gauging in the rotated positions of the plates. 7

The principle of the operation of the device is illustrated in FIG. 2 wherein the numeral 25 schematically represents the periphery of a roll having a radius 26, for convenience also illustrated as R. A tangent to the periphery 25 at the line of blade contact is designated by the numeral 27 and the tangent falls along the linear edge 16 of the plate member 2. This tangent is, of course, in fact a tangent plane and the point of contact at 23 a straight line as may be seen from FIG. 5, but in the FIG. 2 view the plane and straight line show as a line and point respectively. The curvature of the roll results in an increasing distance X between the edge 16 and the roll surface, as the tangent length increases from the line or point of blade contact toward the periphery 15 of plate 2. The semi-chordal portion 28 is parallel to the edge 16 and, for purposes of illustration, is assumed in the present instance to be 5".

The blade (FIG. 2) is retained in a holder generally designated at 29 having a body 30 and cap 31, the blade being indicated at 32 and definin with the tangent 27 the angle Y. The common apex 23 is coincident with the blade tip at the line of contact as shown (FIG. 2). The usual fastening arrangements which retain cap 31 on the blade and body 30 are not shown but may take various forms as is well known.

To position the blade at the required angle Y which, in this instance, is 50, the plate members 1, 2 are locked together with the index defined by edge 9 lying along the 50 mark of the arcuate scale of plate 2 as illustrated in FIGS. 1 and 2. The cooperating scale and index means in the embodiments shown are provided to indicate directly the angle which the blade forms with the tangent. Since the angle between the plates is the complement of this blade angle, the scale and index as provided also indicate the angular relationship of the plates.

The quadrature adjustment spindle 6 is then slidably advanced through the edge 3 with the device having the apex 23 lying on the blade tip as shown in FIG. 2. The distance to which the spindle 6 is advanced is sufficient to cause the blade and edge 3 to be parallel (FIG. 2) and importantly to cause the angle formed by the blade and the index line 9 to be 90. The terminology quadrature adjustment spindle will now be more fully understood for this spindle 6 functions, not only to space the device from the holder, but to conveniently provide a fixed quadrant (90). The graduations of scale 8 are predetermined for the blade distance from the edge 3 and vary with particular blade holders. It is not essential that the quadrature adjustment rod be perpendicular to the edge 3 and blade holder but such makes for accuracy of setting in practice. Also, for use with a given blade and blade holder the spindle 6 could be permanently fixed.

The roll curvature compensating adjustment spindle 19 is also preset prior to positioning the device on the blade holder in this preferred usage of the device of the invention. This setting is dependent on roll diameter and for a roll of given diameter the spindle, when once set, may be left in a fixed position for angle adjustments. However, the usage of such spindle permits ofreadily setting blades on 'rolls of varying diameter by simply changing setting.

The distance X is readily determined for a given roll diameter by first finding the sine of the angle (FIG. 2) and from tables the tangent; with the distance 28 known, for example as illustrated, the distance X is readily calculated and the spindle 19 graduated to provide the scale 20. To use the device, the spindle 19 is extended the distance X which corresponds to the roll diameterfor example, with a roll diameter of 100" the spindle projects from the edge 16 the distance a (FIGS. 1 and 3) or for a roll of 16" diameter the spindle projects the distance b (FIG. 3). The graduations are not evenly spaced in the drawing as the roll diameters indicated are not in particular graduated increments but merely represent (FIG. 1) roll diameters frequently employed.

With the spindles 6 and 19 set as described and the device mounted, it is then merely necessary to pivot the blade holder (plate members locked and apex 23 as the pivot point) until the spindle 19 touches the roll periphery. The desired angle Y (50) is then achieved.

FIG. 5 illustrates one arrangement of the kind employed in blade coating devices for the coating of paper webs, only suflicient of the apparatus being shown to indicate the operation of the device of this invention. In FIG. 5 the holder 29 and longitudinally extending blade 32 are positioned against the roll 25 in the desired angular relationship, the spindle 19 just contacting the roll periphery and the blade extending over a rectilinear length of the periphery. The mechanism shown for rotating the blade holder and the angle setting device to this position is as follows. The body 29 is itself carried .on a support 33 ant J4 S i t .Shaft 35 projecting from the support is received rotatably in bearing 34 in one end of a link 36. The link 36 at its other end fixedly receives a shaft 38 enclosed within protective housing 37. Shaft 38 carries a gear 39 which meshes with a worm 40; worm 40 may be rotated by means of handle 41 or the worm may be motor driven. Rotation of worm 4t} drives gear 39 and shaft 38 in rotation, thereby moving the link 36 in an arc; the stud shaft 35, support 33 and blade holder 25 are thus also moved arouately as is the roll compensating adjustment spindle 19. When the spindle 19 touches the roll periphery, the angle desired is attained. The device itself may be retained by hand during the blade adjustment. Also, since the spindle 19 merely kisses the roll, the desired angle may be achieved While the roll is rotating. For the purpose of moving the support 33 and pressing the blade against the roll after the desired angle is achieved, there is also provided air cylinder means. A frame 42 supported by the housing 37 carries a pivot 43 which pivotally supports air cylinder 44. The piston 45 of the cylinder at its forward extremity is provided with a bearing 47 which receives stud shaft 46, the latter being fixedly secured to the support 33 through the angle iron 48. As will be appreciated, air pressure applied to the cylinder will cause the blade to be pressed to the roll 25. Also, the device may be retracted fromthe roll with this air cylinder arrangement. This is effected by reversing the air supply to the cylinder by means (not shown), the

withdrawal of the piston 45 causing the support 33 to move arcuately as the stud shaft 35 rotates in bearing 34. The device is initially positioned by reversing this latter procedure.

An arrangement as illustrated in FIG. 5 is suitably provided at each end of the assembly.

It is preferable that the plates 1, 2 be superposed. Superposition facilitates attainment of the necessary common apex and provides rigidity in the structure as well as making for ease of measurement or setting of angles of widely varying degree. It is not necessary that the spindles 6 and 19 slide but such arrangement facilitates the application of the indicia of markings accurately-in contrast to screw type movements, for example.

The spindles may be mounted on the plate members in various arrangements but less interference with other equipment is achieved by passing the spindles through the plates as shown.

The device is particularly useful in setting angles as specifically described but may also be employed to measure an existing angle between a blade and roll when the roll diameter is known. Thus, the unit is a gauging device suitable for locating as well as determining relative roll-blade positions.

It will be understood that this invention is susceptible to modification in order to adapt to different usages and conditions and, accordingly, it is desired to comprehend such modifications within the invention as may fall within the scope of the appended claims.

What is claimed is:

1. An angle setting device for setting a blade angle between a longitudinally extending blade and a roll periphery with which periphery the blade is in contact over a linear length of the periphery, said device comprising first and second plates independently rotatable about a common axis, said plates each being in the general form of a quadrant of a circle and of substantially the same physical dimensions, said plates each having a radially extending edge bounding one side of the quadrant and cut-out edge portions bounding the second side of the quadrant and extending from an apex of the quadrant to the periphery, fastening means securing the plates together in superposed relationship with the apices coincident with the common axis of rotation, angle scale means carried by the second plate along the periphery thereof and traversed by the radially extending edge of said first plate for indicating the angular relationship of the plates about the common axis, an axially adjustable quadrature alignment spindle extending through the first plate projecting from a said cut-out edge portion of the first plate and perpendicularly to the cut-out edge portion of the first plate for aligning said first plate relative to the blade by positioning the radially extending edge of the first plate in quadrature relationship with the blade, said quadrature alignment spindle having indicia thereon representative of the extension of the spindle from the cut-out edge portion, and an axially adjustable roll curvature compensation spindle extending through the second plate projecting therefrom perpendicularly to the said radially extending edge of the second plate, said roll curvature compensation spindle having indicia thereon which are representative of roll diameter, said indicia cooperating with said radially extending edge of said second plate to gauge spindle extension toward said roll.

2. A device for setting a blade angle between a longitudinally extending blade and a roll periphery with which periphery the blade is in contact over a linear length of the periphery, said device comprising first and second plates independently rotatable about a common axis, said plates each being in the general form of a quadrant of a circle and of substantially the same physical dimensions, said plates each having a radially extending edge bounding a first side of the quadrant and at least a first of said plates having cut-out edge portions bounding the second side of its quadrant and extending from an apex of the quadrant to the periphery, fastening means securing the plates together in superposed relationship with the apices coincident with the common axis of rotation, angle scale means carried by the second plate along the periphery thereof and traversed by the radially extending edge of the said first plate for indicating the angular relationship of the plates about the common QXiSyZlIl axially adjustable quadrature alignment spindle extending through the first plate projecting from a cut-out edge portion of the first plate and perpendicularly to the edge portion for aligning said first plate relative to the blade by positioning the radially extending edge of the first plate in quadrature relationship with the blade, said quadrature alignment spindle having indicia thereon representative of the extension of the spindle from the cut-out edge portion, and an axially adjustable roll curvature compensation spindle extending through the second plate projecting therefrom perpendicularly to the said radially extending edge of the second plate, said roll curvature compression spindle having indicia thereon which are representative of roll diameter, said indicia cooperating with said radially extending edge of said second plate to gauge spindle extension toward said roll.

3. An angle setting device for setting a blade angle between a longitudinally extending blade and a roll periphery with which periphery the blade is in contact over a linear length of the periphery, said device comprising first and second plates independently rotatable about a common axis, said plates each being in the general form of a quadrant of a circle and of substantially the same physical v dimensions, said plates each having a radially extending 60 edge bounding one side of the quadrant and at least a first of said plates having cut-out edge portions bounding the second side of its quadrant and extending from an apex of the quadrant to the periphery, fastening means securing the plates together in superposed relationship with the apices coincident with the common axis of rotation, cooperating angle scale means and index means carried by the plates for indicating the angular relationship of the plates about the common axis, an axially adjustable quadrature alignment spindle extending through the first plate projecting from a cut-out edge portion of the first plate for aligning said first plate relative to the blade by positioning the radially extending edge of the first plate in quadrature relationship with the blade, and an axially adjustable roll curvature compensation spindle extending through the second plate, projecting therefrom perpendicularly to the said radially extending edge of the second plate, said roll curvature compensation spindle having indicia thereon which are representative of roll diameter, said indicia cooperating with said radially extending edge of said second plate to gauge spindle extension toward said roll.

4. An angle setting device for setting a blade angle between a longitudinally extending blade and a roll periphery with which periphery the blade is in contact over a linear length of the periphery, said device comprising first and second plates independently rotatable about a common axis, said plates each being in the general form of a quadrant of a circle and of substantially the same physical dimensions, said plates each having a radially extending edge bounding one side of the quadrant and at least a first of said plates having cut-out edge portions bounding the second side or" its quadrant and extending from an apex of the quadrant to the periphery, fastening means securing the plates together in superposed relationship with the apices coincident with the common axis of rotation, cooperating angle scale means and index means carried by plates indicating the angular relationship of the plates about the common axis, a quadrature alignment spindle projecting from a cut-out edge portion of the first plate and perpendicularly to the cut-out edge portion for aligning said first plate relative to the blade by positioning the radially extending edge of the first plate in quadrature relationship with the blade, and an axially adjustable roll curvature compensation spindle extending through the second plate projecting therefrom perpendicularly to the said radially extending edge of the second plate, said roll curvature compensation spindle having indicia thereon which are representative of roll diameter, said indicia cooperating with said radially extending edge of said second plate to gauge spindle extension toward said roll.

References Cited by the Examiner UNITED STATES PATENTS 1,299,978 4/1919 MacDowney 3375 2,546,532 3/1951 Wade 33-75 2,641,842 6/ 1953 Porter 33-75 FOREIGN PATENTS 506,965 9/ 1920 France.

ISAAC LISANN, Primary Examiner. LEONARD FORMAN, AssisiantExaminer.

Claims (1)

1. AN ANGLE SETTING DEVICE FOR SETTING A BLADE ANGLE BETWEEN A LONGITUDINALLY EXTENDING BLADE AND A ROLL PERIPHERY WITH WHICH PERIPHERY THE BLADE IS IN CONTACT OVER A LINEAR LENGTH OF THE PERIPHERY, SAID DEVICE COMPRISING FIRST AND SECOND PLATES INDEPENDENTLY ROTATABLY ABOUT A COMMON AXIS, SAID PLATES EACH BEING IN THE GENERAL FROM OF A QUADRANT OF A CIRCLE AND OF SUBSTANTIALLY THE SAME PHYSICAL DIMENSIONS, SAID PLATES EACH HAVING A RADIALLY EXTENDING EDGE BOUNDING ONE SIDE OF THE QUADRANT AND CUT-OUT EDGE PORTIONS BOUNDING THE SECOND SIDE OF THE QUADRANT AND EXTENDING FROM AN APEX OF THE QUADRANT TO THE PERIPHERY, FASTENING MEANS SECURING THE PLATES TOGETHER IN THE SUPERPOSED RELATIONSHIP WITH THE APICES COINCIDENT WITH THE COMMON AXIS OF ROTATION, ANGLE SCALE MEANS CARRIED BY THE SECOND PLATE ALONG THE PERIPHEY THEREOF AND TRAVERSED BY THE RADIALLY EXTENDING EDGE OF SAID FIRST PLATE FOR INDICATING THE ANGULAR RELATIONSHIP OF THE PLATES ABOUT THE COMMON AXIS, AN AXIALLY ADJUSTABLE QUADRATURE ALIGNMENT SPINDLE EXTENDING THROUGH THE FIRST PLATE PROJECTING FROM A SAID CUT-OUT EDGE PORTION OF THE FIRST PLATE AND PERPENDICULARLY TO THE CUT-OUT EDGE PORTION OF THE FIRST PLATE FOR ALIGNING SAID FIRST PLATE RELATIVE TO THE BALD EBY POSITIONING THE RADIALLY EXTENDING EDGE OF THE FIRST PLATE IN QUADRATURE
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467687A (en) * 1981-12-29 1984-08-28 Special Products Engineering Corporation Alignment system for a rotary cutter
US4596075A (en) * 1983-10-24 1986-06-24 Liu Bau Shen Vernier gauge
US4852266A (en) * 1987-12-10 1989-08-01 Essco, Incorporated Angle measuring adapter
US5187877A (en) * 1992-06-29 1993-02-23 John Jory Craftsman's adjustable angle instrument
US6189225B1 (en) * 1998-05-13 2001-02-20 Tormek Ab Angle gauge for grinding sharp-edged tools
US6766584B1 (en) * 2002-10-22 2004-07-27 Paul J. Reilly Angle setting and measurement gage
US20070218814A1 (en) * 2006-02-21 2007-09-20 Schwaiger Barry M Variable Speed Wet Sharpener And Methods Relating To Same
US20080042431A1 (en) * 2006-08-01 2008-02-21 Steely Clay Y Shoulder refacing indicator, and methods of using same
US20120266473A1 (en) * 2011-04-22 2012-10-25 Stuart Batty Grinding Angle Gauge and Holder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1299978A (en) * 1918-02-14 1919-04-08 Silas C Macdowney Measuring instrument.
FR506965A (en) * 1919-02-15 1920-09-02 Hippolyte Vaure Scale protractor
US2546532A (en) * 1945-09-17 1951-03-27 Fmc Corp Tangential angle gauge
US2641842A (en) * 1951-11-02 1953-06-16 Us Rubber Co Measuring instrument

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1299978A (en) * 1918-02-14 1919-04-08 Silas C Macdowney Measuring instrument.
FR506965A (en) * 1919-02-15 1920-09-02 Hippolyte Vaure Scale protractor
US2546532A (en) * 1945-09-17 1951-03-27 Fmc Corp Tangential angle gauge
US2641842A (en) * 1951-11-02 1953-06-16 Us Rubber Co Measuring instrument

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467687A (en) * 1981-12-29 1984-08-28 Special Products Engineering Corporation Alignment system for a rotary cutter
US4596075A (en) * 1983-10-24 1986-06-24 Liu Bau Shen Vernier gauge
EP0198108A2 (en) * 1985-04-11 1986-10-22 Bao-Shen Liu A vernier gauge
EP0198108A3 (en) * 1985-04-11 1987-11-11 Bao-Shen Liu A vernier gauge
US4852266A (en) * 1987-12-10 1989-08-01 Essco, Incorporated Angle measuring adapter
US5187877A (en) * 1992-06-29 1993-02-23 John Jory Craftsman's adjustable angle instrument
US6189225B1 (en) * 1998-05-13 2001-02-20 Tormek Ab Angle gauge for grinding sharp-edged tools
US6766584B1 (en) * 2002-10-22 2004-07-27 Paul J. Reilly Angle setting and measurement gage
US20070218814A1 (en) * 2006-02-21 2007-09-20 Schwaiger Barry M Variable Speed Wet Sharpener And Methods Relating To Same
US20070218819A1 (en) * 2006-02-21 2007-09-20 Schwaiger Barry M Sharpener Accessory And Methods Relating To Same
US20070218818A1 (en) * 2006-02-21 2007-09-20 Schwaiger Barry M Wet Sharpener And Accessories Therefor
US7524236B2 (en) 2006-02-21 2009-04-28 Wmh Tool Group, Inc. Sharpener accessory and methods relating to same
US20080042431A1 (en) * 2006-08-01 2008-02-21 Steely Clay Y Shoulder refacing indicator, and methods of using same
US7685736B2 (en) * 2006-08-01 2010-03-30 Grant Prideco, L.P. Shoulder refacing indicator
US20120266473A1 (en) * 2011-04-22 2012-10-25 Stuart Batty Grinding Angle Gauge and Holder
US8365427B2 (en) * 2011-04-22 2013-02-05 Stuart Batty Grinding angle gauge and holder

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