US3259967A - Method of installing a fuel pump over a crankcase opening - Google Patents

Method of installing a fuel pump over a crankcase opening Download PDF

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US3259967A
US3259967A US482228A US48222865A US3259967A US 3259967 A US3259967 A US 3259967A US 482228 A US482228 A US 482228A US 48222865 A US48222865 A US 48222865A US 3259967 A US3259967 A US 3259967A
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opening
crankcase
push rod
tool
head
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US482228A
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Joseph A Marsicano
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B33/00—Hand tools not covered by any other group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/06—Feeding by means of driven pumps mechanically driven
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49238—Repairing, converting, servicing or salvaging
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing
    • Y10T29/49721—Repairing with disassembling
    • Y10T29/4973—Replacing of defective part

Definitions

  • the primary object of the present invention is the provision of a process for installing a fuel pump on a crankcase wherein a simple and effective tool is employed which is adapted to be passed through the crankcase wall opening for retaining a hold on the push rod, until the pump has been replaced over the opening and its screws have been started in their threaded openings, whereat the tool is adapted to be manipulated to engage one end of .the push rod with the cam shaft and to engage its other end with the pump arms, and then be withdrawn.
  • FIGURE 1 is a schematic view, partly broken away and in section, showing a tool of the present invention extending through an opening in the wall of an engine crankcase and gripping a cam shaft operated push rod, the latter being shown in full and in phantom lines in engaged and disengaged relationships to a fuel pump in mounted and dismounted positions;
  • FIGURE 2 is a top plan Niew of the tool, per se, showing its grip on the push rod, shown in section;
  • FIGURE 3 is an enlarged fragmentary section taken on the line 3--3 of FIGURE 2;
  • FIGURE 4 is an enlarged fragmentary top plan view of the tool.
  • the numeral 1%) designates an engine cam shaft, with which is operatively-engaged one end of a push rod 12, work-ing through a bore 14, of a crankcase 15 having a sidewall 16.
  • the sidewall 16 is formed with a vertically-elongated opening 18, through which works the upwardly spring-pressed lever arm 20 of a fuel pump 22.
  • the fuel pump 22 has a lateral mounting flange 25, usually equipped with mounting screws (not shown), which is adapted to bear against the exterior surface of the crankcase sidewall 16, around the opening 18, as shown in phantom lines in FIGURE 1, in the installed portion of the pump.
  • the tool 26 comprises an elongated rod 28, provided on one end, with a longitudinal handle 30.
  • the other end of the rod 28 is flattened, as indicated at 32, and terminates in a flat head 34, which is wider than the rod.
  • the head 34 comprises a pair of similar, laterally-spaced and opposed resilient fingers 36, which have substantially one-quarter circular concave inner edge portions 38, of substantially the same curvature as the surface of the push rod 10.
  • the inner edge portions 38 merge, at their outer ends, into flat plane outer edge portions 40.
  • the outer edge portions 40 terminate in outwardly-beveled cam terminals 42.
  • the fingers 36 are spaced from each other, at a distance less than the diameter of the push rod 10, so that, to attain a gripping relation of the fingers against opposite sides of the push rod, it is necessary, after reaching the head 34 through the crankcase sidewall opening 18, to push the beveled terminals 42 against the push rod so as to spread the fingers and put the curved inner edge portions 38 of the fingers into conforming and gripping relation to the push rod.
  • a longitudinal slot 44 is centered between the fingers, which opens to the adjacent ends of the inner edge portions 38.
  • the rod 28 of the tool 26 avoid obstructive contact with the fuel pump 22, as it is manipulated relative to the crankcase sidewall 16 and the opening 18, the rod has an irregularly-upwardly-bowed clearance portion between the handle 30 and the head 34.
  • the rod 28 has, adjacent to the handle 30, a relatively sharply upwardly-bowed rear portion 46, which occupies about one-third of the length of the rod 28, and .a relatively flatly-bowed forward end portion 48, which takes up about two-thirds of the length of the rod.
  • the head 34 is located in the plane of the adjacent part of the rod portion 48.
  • the tool 26 is inserted through the opening 18 in the sidewall 16 of the crankcase 15 so that the head 34 is adjacent the push rod 12 with the bowed portion of the rod 28 of the tool 26 inverted and extending through and contacting the upper portion of the opening 18 and the handle 30 exteriorly of and outwardly of the opening 18, whereupon the handle 30 is manipulated so as to, in turn, cause the push rod 12 to be received within the groove between the fingers 36 and be removably and lockingly embraced by the fingers 36 and elevate the lower end of the push rod 12 to a position opposite to and within the area defined by the opening 18, as clearly shown in full lines in FIGURE 1.
  • the pump 22 is positioned exteriorly of the crankcase 15 so that the lever arm 20 projects through the opening 18 and the free end of the lever arm 20 is located below and adjacent the elevated push rod 12 with the mounting flange 24 below the bowed portion of the rod 28 of the tool 26 and having its lower portion abutting against the crankcase 15 adjacent the opening 18 with its upper portion leaning away from the crankcase 15, as clearly shown in full lines in FIGURE 1. While the pump 22 is thus positioned, the flange 24 is partially attached to the sidewall 16 of the crankcase 15.
  • the handle 30 of the tool 26 is manipulated so as to detach the fingers 36 from the push rod 12 and withdraw the head 34 and the adjacent part of the bowed portion of the tool 26 through the opening 18 and permit the lower end of the push rod 12 to seat upon the free end of the lever arm 20.
  • the flange 24 is shifted so as to completely bridge the opening and abut against the adjacent portion of the sidewall 16 of the crankcase 15, the position shown in dotted lines in FIGURE 1, and the complete attachment of the flange 24 to the sidewall 16 of the crankcase 15 is thus effected.

Description

July 12, 1966 J. A. MARSICANO 3,259,967
METHOD OF INSTALLING A FUEL PUMP OVER A CRANKCASE OPENING Original Filed Feb. 20, 1964 United States Patent 3,259,967 METHOD OF INSTALLING A FUEL PUMP OVER A CRANKCASE OPENING Joseph A. Marsicano, 735 Schwabe St., Freeland, Pa. Continuation of abandoned application Ser. No. 346,212, Feb. 20, 1964. This application Aug. 24, 1965, Ser. No. 482,228
2 Claims. (Cl. 29-401) This application is a continuation of application Serial No. 346,212, filed February 20, 1964, now abandoned, and relates to a process for installing a fuel pump exteriorly of and over a vertically-elongated opening formed in the sidewall of a crankcase.
In installing fuel pumps on internal combustion engines, wherein the fuel pumps are actuated by engine cam shaft driven push rods, removal of pumps and the replacement thereof is accompanied by displacement of the push rods, out of contact with the cam shafts, and out of alignment with the lever arms of the pumps. Because of the relatively small sizes of the openings in the engine crankcases, through which the pump arms operate, it has heretofore been a diificult and time-consuming operation, in replacing a fuel pump, to restore and/ or to hold a push rod in contact with the cam shaft and in line with the pump arm, and various expedients have been in use for this purpose.
The primary object of the present invention is the provision of a process for installing a fuel pump on a crankcase wherein a simple and effective tool is employed which is adapted to be passed through the crankcase wall opening for retaining a hold on the push rod, until the pump has been replaced over the opening and its screws have been started in their threaded openings, whereat the tool is adapted to be manipulated to engage one end of .the push rod with the cam shaft and to engage its other end with the pump arms, and then be withdrawn.
In the drawings:
FIGURE 1 is a schematic view, partly broken away and in section, showing a tool of the present invention extending through an opening in the wall of an engine crankcase and gripping a cam shaft operated push rod, the latter being shown in full and in phantom lines in engaged and disengaged relationships to a fuel pump in mounted and dismounted positions;
FIGURE 2 is a top plan Niew of the tool, per se, showing its grip on the push rod, shown in section;
FIGURE 3 .is an enlarged fragmentary section taken on the line 3--3 of FIGURE 2; and
FIGURE 4 is an enlarged fragmentary top plan view of the tool.
Referring in detail to the drawing, the numeral 1%) designates an engine cam shaft, with which is operatively-engaged one end of a push rod 12, work-ing through a bore 14, of a crankcase 15 having a sidewall 16. The sidewall 16 is formed with a vertically-elongated opening 18, through which works the upwardly spring-pressed lever arm 20 of a fuel pump 22.
While the opening 18 is taller than the arm 20, it is not substantially wider than the pump arm. The fuel pump 22 has a lateral mounting flange 25, usually equipped with mounting screws (not shown), which is adapted to bear against the exterior surface of the crankcase sidewall 16, around the opening 18, as shown in phantom lines in FIGURE 1, in the installed portion of the pump.
In the operation of removing or dismounting the fuel pump 22, as shown in full lines in FIGURE -1, the crankcase sidewall opening 18 is uncovered, and the pump arm 20 is withdrawn out of contact with the push rod 12, so that, unless some extraneous means is employed, the push IOCl drops out of contact with the cam shaft 10.
ice
In attempting to remount a repaired or replacement [fuel pump 22, the difliculties mentioned hereinabove, in connection with the displaced condition of the push rod 10, are eliminated by the use of a tool 26 of the present invention.
The tool 26 comprises an elongated rod 28, provided on one end, with a longitudinal handle 30. The other end of the rod 28 is flattened, as indicated at 32, and terminates in a flat head 34, which is wider than the rod.
The head 34 comprises a pair of similar, laterally-spaced and opposed resilient fingers 36, which have substantially one-quarter circular concave inner edge portions 38, of substantially the same curvature as the surface of the push rod 10. The inner edge portions 38 merge, at their outer ends, into flat plane outer edge portions 40. The outer edge portions 40 terminate in outwardly-beveled cam terminals 42.
The fingers 36 are spaced from each other, at a distance less than the diameter of the push rod 10, so that, to attain a gripping relation of the fingers against opposite sides of the push rod, it is necessary, after reaching the head 34 through the crankcase sidewall opening 18, to push the beveled terminals 42 against the push rod so as to spread the fingers and put the curved inner edge portions 38 of the fingers into conforming and gripping relation to the push rod.
In order to provide for the necessary resilience of the fingers 36, despite the relatively thick gauge of the head 34, a longitudinal slot 44 is centered between the fingers, which opens to the adjacent ends of the inner edge portions 38.
In order that the rod 28 of the tool 26 avoid obstructive contact with the fuel pump 22, as it is manipulated relative to the crankcase sidewall 16 and the opening 18, the rod has an irregularly-upwardly-bowed clearance portion between the handle 30 and the head 34. As shown in FIGURE 1, the rod 28 has, adjacent to the handle 30, a relatively sharply upwardly-bowed rear portion 46, which occupies about one-third of the length of the rod 28, and .a relatively flatly-bowed forward end portion 48, which takes up about two-thirds of the length of the rod. The head 34 is located in the plane of the adjacent part of the rod portion 48.
In carrying out the process for installing the fuel pump 22 on the crankcase 15 with the push rod 12 in the released position, the dotted-line position in FIGURE 1, the tool 26 is inserted through the opening 18 in the sidewall 16 of the crankcase 15 so that the head 34 is adjacent the push rod 12 with the bowed portion of the rod 28 of the tool 26 inverted and extending through and contacting the upper portion of the opening 18 and the handle 30 exteriorly of and outwardly of the opening 18, whereupon the handle 30 is manipulated so as to, in turn, cause the push rod 12 to be received within the groove between the fingers 36 and be removably and lockingly embraced by the fingers 36 and elevate the lower end of the push rod 12 to a position opposite to and within the area defined by the opening 18, as clearly shown in full lines in FIGURE 1. While the tool 26 is holding the push rod 12 in the elevated position the pump 22 is positioned exteriorly of the crankcase 15 so that the lever arm 20 projects through the opening 18 and the free end of the lever arm 20 is located below and adjacent the elevated push rod 12 with the mounting flange 24 below the bowed portion of the rod 28 of the tool 26 and having its lower portion abutting against the crankcase 15 adjacent the opening 18 with its upper portion leaning away from the crankcase 15, as clearly shown in full lines in FIGURE 1. While the pump 22 is thus positioned, the flange 24 is partially attached to the sidewall 16 of the crankcase 15. With the pump 22 thus partially attached to the sidewall 16 of the Patented July 12, 1966 p crankcase 15, the handle 30 of the tool 26 is manipulated so as to detach the fingers 36 from the push rod 12 and withdraw the head 34 and the adjacent part of the bowed portion of the tool 26 through the opening 18 and permit the lower end of the push rod 12 to seat upon the free end of the lever arm 20. With the tool 26 withdrawn, the flange 24 is shifted so as to completely bridge the opening and abut against the adjacent portion of the sidewall 16 of the crankcase 15, the position shown in dotted lines in FIGURE 1, and the complete attachment of the flange 24 to the sidewall 16 of the crankcase 15 is thus effected.
What is claimed is:
1. The process for installing a fuel pump exteriorly of and over a vertically-elongated opening formed in the sidewall of a crankcase in which there is a working push rod, the pump carrying a mounting flange and having an upwardly spring-pressed lever arm, which comprises providing a tool including an elongated rod having a forward end on which there is a head and having a rear end on which there is a handle with the portion of the rod between the head and handle irregularly bowed, the head being provided with a pair of laterally-spaced and opposed fingers with a groove therebetween and opening to the free ends of the fingers, inserting the tool through the opening so that the head is adjacent the push rod with the bowed portion inverted and extending through and contacting the upper portion of the opening in the crankcase and the handle exteriorly of and outwardly of the opening, manipulating the handle so as to, in turn, cause the push rod to be received within the groove and be removably and lockingly embraced by the fingers and elevate the lower end of the push rod to a position opposite to and within the area defined by the opening, positioning the pump extriorly of the crankcase so that the lever arm projects through the opening and the free end of the lever arm is: located below and adjacent the elevated push rod with the,
mounting flange below the bowed portion of the tool and having its lower portion abutting against the crankcase adjacent the opening with its upper portion leaning away from the crankcase while the tool is holding the push rod in the elevated position, partially attaching the lower abutting portion of the flange to the sidewall of the crank-,
case, manipulating the handle of the tool so astto detach the fingers from the push rod and withdraw the head and adjacent part of the bowed portion of the tool through the opening and permit the lower end of the push rod to seat upon the free end of the lever arm, shifting the flange so as to completely bridge the opening and abut against the adjacent portion of the sidewall of the crankcase, and completing the attachment of the flange to the sidewall of the crankcase.
2. The process according to claim 1, wherein the base wall of the groove between the opposed fingers on the head of the tool has a longitudinal slot extending inwardly thereof,
References Cited by the Examiner UNITED STATES PATENTS JOHN F. CAMPBELL, Primary Examiner. THOMAS H. EAGER, Assistant Examiner.

Claims (1)

1. THE PROCESS FOR INSTALLING A FUEL PUMP EXTERIORLY OF AND OVER A VERTICALLY-ELONGATED OPENING FORMED IN THE SIDEWALL OF A CRANKCASE IN WHICH THERE IS A WORKING PUSH ROD, THE PUMP CARRYING A MOUNTING FLANGE AND HAVING AN UPWARDLY SPRING-PRESSED LEVER ARM, WHICH COMPRISES PROVIDING A TOOL INCLUDING AN ELONGATED ROD HAVING A FORWARD END ON WHICH THERE IS A HEAD AND HAVING A REAR END ON WHICH THERE IS A HANDLE WITH THE PORTION OF THE ROD BETWEEN THE HEAD AND HANDLE IRREGULARLY BOWED, THE HEAD BEING PROVIDED WITH A PAIR OF LATERALLY-SPACED AND OPPOSED FINGERS WITH GROOVE THEREBETWEEN AND OPENING TO THE FREE ENDS OF THE FINGERS, INSERTING THE TOOL THROUGH THE OPENING SO THAT THE HEAD IS ADJACENT THE PUSH ROD WITH THE BOWED PORTION INVERTED AND EXTENDING THROUGH AND CONTACTING THE UPPER PORTION OF THE OPENING IN THE CRANKCASE AND THE HANDLE EXTERIORLY OF AND OUTWARDLY OF THE OPENING, MANIPULATING THE HANDLE SO AS TO, IN TURN, CAUSE THE PUSH ROD TO BE RECEIVED WITHIN THE GROOVE AND BE REMOVABLY AND LOCKINGLY EMBRACED BY THE FINGERS AND ELEVATE THE LOWER END OF THE BUSH ROD TO A POSITION OPPOSITE TO AND WITHIN THE AREA DEFINED BY THE OPENING, POSITIONING THE PUMP EXTRIORLY OF THE CRANKCASE SO THAT THE LEVER ARM PROJECTS THROUGH THE OPENING AND THE FREE END OF THE LEVER ARM IS LOCATED BELOW AND ADJACENT THE ELEVATED PUSH ROD WITH THE MOUNTING FLANGE BELOW THE BOWED PORTION OF THE TOOL AND HAVING ITS LOWER PORTION ABUTTING AGAINST THE CRANKCASE ADJACENT THE OPENING WITH ITS UPPER PORTION LEANING AWAY FROM THE CRANKCASE WHILE THE TOOL IS HOLDING THE PUSH ROD IN THE ELEVATED POSITION, PARTIALLY ATTACHING THE LOWER ABUTTING PORTION OF THE FLANGE TO THE SIDEWALL OF THE CRANKCASE, MANIPULATING THE HANDLE OF THE TOOL SO AS TO DETACH THE FINGERS FROM THE PUSH ROD AND WITHDRAW THE HEAD AND ADJACENT PART OF THE BOWED PORTION OF THE TOOL THROUGH THE OPENING AND PERMIT THE LOWER END OF THE PUSH ROD TO SEAT UPON THE FREE END OF THE LEVER ARM, SHIFTING THE FLANGE SO AS TO COMPLETELY BRIDGE THE OPENING AND ABUT AGAINST THE ADJACENT PORTION TO THE SIDEWALL OF THE CRANKCASE, AND COMPLETING THE ATTACHMENT OF THE FLANGE TO THE SIDEWALL OF THE CRANKCASE.
US482228A 1965-08-24 1965-08-24 Method of installing a fuel pump over a crankcase opening Expired - Lifetime US3259967A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984909A (en) * 1975-05-06 1976-10-12 Salvador Velazquez Valve stem seal changing tool
US4720900A (en) * 1986-07-16 1988-01-26 Perry Oliver L Method of installing a fuel pump
US5265326A (en) * 1991-11-20 1993-11-30 Scribner Herbert H Wire insertion hand tool for the insertion of wires, or similar strand-like material, within a wire containing duct
US20160151897A1 (en) * 2014-06-10 2016-06-02 Randy Daneliuk Tire Stud Removal Tool with Different Fulcrum Points for Use on Tires of Varying Tread Wear

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1596678A (en) * 1925-06-09 1926-08-17 Miller Joseph Washer-handling tool
US2470309A (en) * 1945-10-25 1949-05-17 Peter P Hepp Clip retaining tool
US2483379A (en) * 1946-08-19 1949-09-27 Waldes Kohinoor Inc Means for handling retaining rings
US2722148A (en) * 1954-12-06 1955-11-01 Thomas M Woyton Fastening holder and starter with resilient arms
US2759383A (en) * 1953-10-23 1956-08-21 Mrazik George Cap lifter for press fitted caps
US2993267A (en) * 1957-10-28 1961-07-25 Helwig Carl Method of repairing automatic choke heating systems
US3183585A (en) * 1962-12-31 1965-05-18 William A West Method for replacing bushings

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1596678A (en) * 1925-06-09 1926-08-17 Miller Joseph Washer-handling tool
US2470309A (en) * 1945-10-25 1949-05-17 Peter P Hepp Clip retaining tool
US2483379A (en) * 1946-08-19 1949-09-27 Waldes Kohinoor Inc Means for handling retaining rings
US2759383A (en) * 1953-10-23 1956-08-21 Mrazik George Cap lifter for press fitted caps
US2722148A (en) * 1954-12-06 1955-11-01 Thomas M Woyton Fastening holder and starter with resilient arms
US2993267A (en) * 1957-10-28 1961-07-25 Helwig Carl Method of repairing automatic choke heating systems
US3183585A (en) * 1962-12-31 1965-05-18 William A West Method for replacing bushings

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984909A (en) * 1975-05-06 1976-10-12 Salvador Velazquez Valve stem seal changing tool
US4720900A (en) * 1986-07-16 1988-01-26 Perry Oliver L Method of installing a fuel pump
US5265326A (en) * 1991-11-20 1993-11-30 Scribner Herbert H Wire insertion hand tool for the insertion of wires, or similar strand-like material, within a wire containing duct
US20160151897A1 (en) * 2014-06-10 2016-06-02 Randy Daneliuk Tire Stud Removal Tool with Different Fulcrum Points for Use on Tires of Varying Tread Wear

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