US2416228A - Cutting tool - Google Patents

Cutting tool Download PDF

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Publication number
US2416228A
US2416228A US549607A US54960744A US2416228A US 2416228 A US2416228 A US 2416228A US 549607 A US549607 A US 549607A US 54960744 A US54960744 A US 54960744A US 2416228 A US2416228 A US 2416228A
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United States
Prior art keywords
tool
pipe
jaw
valve seat
stem
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US549607A
Inventor
Nelson H Sheppard
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Gudel & Sheppard Co
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Priority to US549607A priority Critical patent/US2416228A/en
Application granted granted Critical
Publication of US2416228A publication Critical patent/US2416228A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • B23C3/02Milling surfaces of revolution
    • B23C3/05Finishing valves or valve seats
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/55Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/557Frictionally engaging sides of opening in work
    • Y10T408/558Opening coaxial with Tool
    • Y10T408/5587Valve fitting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/55Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/563Work-gripping clamp
    • Y10T408/5633Adapted to coaxially grip round work
    • Y10T408/56337Oppositely moving lateral clamps

Description

Feb. 18, 1947. S P 2,416,228

CUTTING TOOL Filed Aug. 15, 1944 2 Sheets-Sheet 1 .Qo l 4 62/5017 Shep 00rd Guam Feb. 18, 1947. I SHEPPARD v 2,416,228 I CUTTING TOOL V v Filed Aug. 15, 1944 r 2 Shets-Sheet 2 I Q9 \99 t 6 We /son M she awa d Patented Feb. 18, 1947 CUTTING TOOL Nelson H. Sheppard, Ansonia, Conn, assignor to Gndel & Sheppard (30., New Haven Conn, a corporation of Connecticut Application August 15, 1944, Serial No. 549,607

3 Claims.

1 This invention relates to a cutting tool, and pertains more particularly to a device which is adapted for recutting or reforming the valve seat formed on the water inlet pipe of a water closet flush after the same is installed within the latter, although the same is obviously not restricted to such specific use. I

Usually the water inlet pipe has a valve seat formed on its upper end, and said inlet pipe is placed within and in spaced relation to a surrounding water overflow pipe.

Not infrequently, the valve seats of these Water inlet pipes are improperly formed viz: not exactly true with respect to the longitudinal axis of such pipe. Again, such valve seats quite frequently become Worn from constant use. In either instance, these defects result in' constant leakage and wastage of water due to the fact that the valve member does not properly seat thereon so as to prevent the fiow of Water therepast.

Heretofore no proper tool has been available for overcoming these defects while the inlet pipe, upon which the valve seat is formed, is in operative position within the flush tank. This is primarily due to the fact that the surrounding overfiow pipe is not always of uniform diameter. Consequently it has been necessary for the repairman to provide tools of varying sizeshaving means for gripping or otherwise engaging the surrounding over flow pipe so as to properly maintain a grinding tool in alined position With the seat to be repaired. This is rather an expensive procedure and consequently rather than undergo the expense of providing various sized tools for this purpose, the repairman will remove the defective supply or inlet pipe in its entirety and replace the same with an entirely new unit. It is obvious that this is an extremely expensive and unnecessary procedure, the burden and expense of which must be borne by the ultimate consumer or user.

In order to overcome the foregoing disadvantages of the prior art, it is the primary important object of this invention to provide a cutting tool of the above character which is so constructed that the same can be used for recutting or reforming valve seats of the character described wherein the inlet or supply pipe is surrounded by overflow or other pipes of varying sizes or diameters.

Another important object of this invention is to provide a device or tool of the character described which is adapted for reforming or recutting .a valve seat regardless of its position below the upper end of the surrounding overflow or other pipe from which the tool is supported.

Another'important object of this. invention is to provide a device of the above character which is all purpose or universal in use for reforming or recutting a valve seat while the latter-isin its operative or fixed position within the flush tank, thereby eliminating the necessity of removing the inlet pipe during the cutting operation, or of replacing the same with a new unit.

Another important object of this invention is to provide a tool of the above character which is provided with me ns for properly and accurately positioning the same in cutting relation to the valve seat to be operated upon.

Another important object of this invention is to provide a tool of the above character which will tightly and firmly engage a support and automatically aline the cutting element with the valve seat to be reformed.

A further important object of this invention is to provide a tool of the above character having means for accurately adjusting the position of the cutter so that the depth of the out can be conrolled at all times.

A still further important object of this invention is to provide a tool of the above character which is simple in construction requiring few parts, accurate and eflicient in operation, and one which can be cheaply and economically manufactured and placed upon the market at a reasonable cost.

The foregoing and other objects and advantages of this invention will be readily apparent throughout the course of the following specification, claims and drawings forming a part hereof, and in which latter,

Figure 1 is an elevation partly in section of the tool forming the subject matterof this invention,

Figure 2 is a sectional view taken on line 2-2 of Figure 1, looking in the direction of the arrows,

Figure 3 is a fragmentary elevation partly in section of a flush tank. with the cutting tool mountedin operative relation with respect to the inlet pipe and the overflow pipe, said pipes being shown partly in section.

Figure 4 is a fragmentary sectional view taken on line 4-4 of Figure 1, showing the jaw faces of the tool engaged with an overflow pipe of enlarged diameter,

Figure 5 is a fragmentary sectional view taken on line 5-5 of Figure 1, and. similar to Figure 4, but showing the jaw faces of the tool engaging with an overflow pipe of smaller diameter, and Figure 6 is a fragmentary sectional view taken online 66 of Figure 1, and similar to Figures 4 3 gaging with an overflow pipe of still smaller di-i ameter.

Referring in detail in the drawings, and for the present to Figure 3, thereon! designates a flush tank of the usual form having a water supply or inlet pipe 2 disposed within and supported in spaced relation to a surrounding overflow pipe 3. The supply and overflowpipes 2 and Srespectively, are supported in vertically extending position within the flush tank by means of the usual, spud 4 and binding nut 5 between which the bottom of the hush tank is gripped or heldl' A nut 5' is threaded upon the upper end of overflow pipe 3, for binding the usualvalve: operating, mechanism, not shown, in the desired position.

The usual main Water outlet pipe 6, standard I and flush ball valve 8 supported and guided by the bracket 9, are also shown for purposesoi illustration only. Further detailed description of these partsisdeemed unnecessary, except insofar as the same. concern the" instant invention; for

' these orsimilanparts offlush tanksare old and The body 10 is formed. with an internally threaded opening, or. passage l4,- which is so located as. to extend axially,v of and completely through. the. stem l2 and the adjacent portion of the attached head If.

Eachof. the outer free ends. oi'the' head. I it is bifurcated; so. as to. provide. pairs. of oppositely .latter,.. as byv means of" atransversely extending, .pin lhjisa substantially flat. clamping bar I! of substantially semi-elliptical configuration when viewedinwsideelevation, see for. example, Figure. 1. The inner: side facesof. th'ehars. II, adjacent their upper ends, are reversely curved in a down.-

ward. directionso as to. provide cam-shaped portions Ii}; The bars. H further have eachof their inner'opposedi side. faces formediwith a pocket or recess-til disposed slightl'y; below the. lower edge of the head I l.

The lower end. of each of the bars lliisformed with. asupport engaging jaw 29which is adapted to cooperate with the. opposite jaw 20' so as. to engage and clamp a pipelor.v other support therebetween. 1 v The jaws 25 are. e'achvprovided' with a pipe or other support engaging face or groove 2|. The jaw faces, 21 are'each concave in transverse crosssection and'the bottom wall 22thereof is slightly convex in longitudinal cross-section withthe highest point at the lower end of the groove and the lowest point 'thereof atth'e upper end ofsaid groove when the tool is in: the position of Figure 1. In other words, the convex bottom wall of; the cooperating jaw facesact irreffect; a rockers, so that". the 'sam'ewill firmly grip pipes. of. varying diameters; from .th'e largest to. the smallest. as the 4 An inverted frusto-conical cam nut 23 having a knurled finger engaging area 24 therearound is threadedly engaged with the threads l3 formed and into gripping relation witha pipe or other support.

A pair of expansion spring members each for each of said bars ll, are supported upon the head ll, between the arms I5 by means of transverse pins 26. One end of each of the springs 25 engage the adjacent portion of the head I! so as to have a bearing thereagainst, while the opposite end'of each of the springs engage and seat with its corresponding pocket or recess l9. Thus it will be seen that the springs 25 normally and constantly urge the jaw faces 26 of. the bars H in an outward direction away from eachother; and the'upper ends-and thereby the cam portions l8. of the bars into constant contact with the cam nut. 2'3I Adjustably' engaged with the internally threaded'passage I l, is an externally threaded tube 2! having a smooth axial bore. The tube 21 has a knurled finger engaging head 28 carried'hy the upper end thereof.

Slidably and rotatably mounted in the bore of I recut the .valve seat whichis formed on the upper end of the water inlet pipe 2 oi'a flush tank, the

usualvalve. casing an'dtyalye not shown, are re moved from the upper end ofthe' overflow pipet. The tool forming, the. subject matter" of" this inventionis then placed in position on the overflow pipe 3, asshown in Figure 3. This isaccorm plished. by disposingthe jaws 26 below the usual binding nut 5. so as to limit the upward movementxof the tool during the cutting, operation.

The cam nut 25 is then turned onthe stem .52,

by gripping the knurled portion 24 with the fingers, so as to move the same in a downward direction. Such movement of the cam nut 23 causes outward separating movementv of theupper portions of the bars i'i and consequent inward movement of'the jaws 2E!v for firmly gripping the overflow pipe 3 below the nut 5'.

The threaded tube'2l is then turned downwardly by means of the head 28 until the lower end thereof engages the sleeve 32 to thereby move the. cutter. 3i into contact with the valve seat on the upper end of the water inlet pipe. 2.

Cutting or. reformingof the. valve seat is, then accomplished. by rotating'the. cutter head. 35 by means ofthe rodfifiandihandletil. g e

As the, valve seat is out. and thereby reduced, the -cutter head may-readily bemaintainedin contact therewith by slightly turning the adjusting tube 2.! which through. the. sleeve 32 will cause downwardlmovement of. the cutter head.

It willlbe particularly notedithat'regardless of the distance existing between the upper. end of the. overflow pipe. 3 and the upper end. or. valve 25, one

tained in cutting relation with said valve seat by making the necessary adjustments of the threaded tube 27.

After the desired cutting operation has been completed, it is merely necessary to back off the cam nut 23 upwardly along the stem 12 and the jaw faces 26 will move out of engagement with the overflow pipe 3 under the influence of expansion springs 25 operating outwardly against the jaw supporting bars H.

As stated above the particular shape of the jaw faces 20 will readily adapt themselves to pipes of varying diameters, as shown in Figures 4, 5 and 6 and will firmly grip and automatically position the tool in proper cutting alinement with the valve seat to be cut. This is an important feature of the hereinbefore described tool, for such alinement cannot be maintained if the jaw faces are pivoted to their supporting bars.

It is to be understood that, the form of my invention, herewith shown and described, is to be taken as a preferred example of the same, and that various changes in the shape, size and arrangement of parts may be resorted to, without departing from the spirit of my invention, or the scope of the subjoined claims. 1 7

Having thus described the invention, what is claimed as new and desired to secure by Letters Patent is:

1. A tool of the character described, including a base member, an externally threaded stem rising from said base member, spaced jaw members pivotally connected intermediate their ends to said base member, a rotatable invertedsubstantially cone-shaped member threadedly carried by said stem for engaging the inner opposed faces of the free upper ends of said jaw members and for actuating said jaw members toward each other, means constantly urging the jaw members away from each other, an adjustable stop member mounted for movement through said stem and base member, a rod slidably mounted in said stop member and rotatable with respect thereto, and a cutter mounted on said rod.

2. A tool of the character described, including 6 a base member, a stem rising from said base member, spaced jaw members pivotally connected intermediate their ends to said base member, cam

means movably connected to said stem independently of said jaw members for engaging the inner opposed faces of the upper free ends of the latter and for actuating said jaw members toward each other, means constantly urging the jaw members away from each other, an adjustable stop member mounted for movement through said stem and base member, a rod slidably mounted in said stop member and rotatable with respect thereto, and a cutter mounted on said rod.

3. A tool of the characterdescribed including a base member, a stem rising from said base member, spaced jaw members pivotally connected intermediate their ends to said base member, means movably connected to said stem independently of said jaw members and having a part disposed between and engaging the inner opposed faces of the upper free ends of the jaw members for actuating the same toward each other, means constantly urging th jaw members away from each other, an adjustable stop member mounted for movement through said stem and base member, a rod slidably mounted in said stop member and rotatable with respect thereto, and a cutter mounted on said rod.

NELSON H. SHEPPARD.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS

US549607A 1944-08-15 1944-08-15 Cutting tool Expired - Lifetime US2416228A (en)

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Cited By (83)

* Cited by examiner, † Cited by third party
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US2490371A (en) * 1946-01-09 1949-12-06 Raymond P Norton Pipe facing machine
US2499658A (en) * 1946-03-18 1950-03-07 Francis G Livingston Facing tool
US2543550A (en) * 1948-11-16 1951-02-27 Verne L Kneeland Fastener setting machine
US2552998A (en) * 1946-08-02 1951-05-15 Raymond P Norton Machine for refacing pipe fittings
US2572991A (en) * 1947-08-14 1951-10-30 Grand Norman A De Bushing remover
US3197194A (en) * 1960-02-26 1965-07-27 Western Electric Co Clamping device for broaching machine
US4022086A (en) * 1976-03-24 1977-05-10 Ramsey Merlin G Adjustable socket wrench
US4524959A (en) * 1982-08-25 1985-06-25 Tetsushi Kubo Holder of pipes or pipe joints for welding
US4574477A (en) * 1984-08-06 1986-03-11 The O. M. Scott & Sons Company Hole cutter for plastic tubing
US4708541A (en) * 1986-03-10 1987-11-24 Wilbert Ouzts Valve seat cutting tool
US4896663A (en) * 1988-10-14 1990-01-30 Boehringer Mannheim Corporation Self centering femoral drill jig
US5177874A (en) * 1991-10-01 1993-01-12 Ogorek Robert A Gage for hex head fasteners
US6654980B2 (en) * 2001-08-17 2003-12-02 Blyth S. Biggs Sliding collar mop head retainer
US20050080426A1 (en) * 2001-12-29 2005-04-14 Benwen Qian Apparatus for fitting the protecting femoral neck device
US20050113841A1 (en) * 2003-11-20 2005-05-26 Wright Medical Technology, Inc. Guide clamp for guiding placement of a guide wire in a femur
US20050245934A1 (en) * 2004-03-09 2005-11-03 Finsbury (Development) Limited Tool
US20050245936A1 (en) * 2004-04-20 2005-11-03 Finsbury (Development) Limited Tool
US20050267480A1 (en) * 2002-08-29 2005-12-01 Loubert Suddaby Spinal facet fixation device
US20070162038A1 (en) * 2005-10-18 2007-07-12 Finsbury (Development) Limited Tool
US20070276400A1 (en) * 2003-09-22 2007-11-29 Gary Moore Drill Guide Assembly
US20070284559A1 (en) * 2005-08-09 2007-12-13 Plummer Jeffrey J Conduit attachment system for a cable puller
US20080027434A1 (en) * 2006-06-22 2008-01-31 St. Francis Medical Technologies, Inc. System and method for strengthening a spinous process
US20080027435A1 (en) * 2006-06-22 2008-01-31 St. Francis Medical Technologies, Inc. System and method for strengthening a spinous process
US20080033442A1 (en) * 2006-08-03 2008-02-07 Louis-Philippe Amiot Computer-assisted surgery tools and system
US20080139965A1 (en) * 2006-10-05 2008-06-12 Meneghini R Michael Device and method for locating the anteroposterior femoral axis to determine proper femoral component rotation in knee replacement
US20080228188A1 (en) * 2005-03-22 2008-09-18 Alec Paul Birkbeck Surgical guide
US20090151736A1 (en) * 2007-04-17 2009-06-18 Biomet Manufacturing Corp. Method And Apparatus For Manufacturing An Implant
US20090254093A1 (en) * 2006-06-09 2009-10-08 Biomet Manufacturing Corp. Patient-Specific Alignment Guide
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US1888800A (en) * 1931-08-01 1932-11-22 Ernest F H Grothe Connecter puller for storage batteries
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US481342A (en) * 1892-08-23 Spoke-extractor
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US1673571A (en) * 1928-06-12 Terminal-post-clamp puller
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US1376340A (en) * 1920-05-19 1921-04-26 Abraham B Klay Wheel-puller
US1888800A (en) * 1931-08-01 1932-11-22 Ernest F H Grothe Connecter puller for storage batteries
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Cited By (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490371A (en) * 1946-01-09 1949-12-06 Raymond P Norton Pipe facing machine
US2499658A (en) * 1946-03-18 1950-03-07 Francis G Livingston Facing tool
US2552998A (en) * 1946-08-02 1951-05-15 Raymond P Norton Machine for refacing pipe fittings
US2572991A (en) * 1947-08-14 1951-10-30 Grand Norman A De Bushing remover
US2543550A (en) * 1948-11-16 1951-02-27 Verne L Kneeland Fastener setting machine
US3197194A (en) * 1960-02-26 1965-07-27 Western Electric Co Clamping device for broaching machine
US4022086A (en) * 1976-03-24 1977-05-10 Ramsey Merlin G Adjustable socket wrench
US4524959A (en) * 1982-08-25 1985-06-25 Tetsushi Kubo Holder of pipes or pipe joints for welding
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