US3181362A - Convertible oil feed plug and visible oil level and reservoir kit - Google Patents

Convertible oil feed plug and visible oil level and reservoir kit Download PDF

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US3181362A
US3181362A US147693A US14769361A US3181362A US 3181362 A US3181362 A US 3181362A US 147693 A US147693 A US 147693A US 14769361 A US14769361 A US 14769361A US 3181362 A US3181362 A US 3181362A
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oil
convertible
plug
reservoir
container
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US147693A
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George F Mckenney
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
    • F01M11/061—Means for keeping lubricant level constant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N19/00—Lubricant containers for use in lubricators or lubrication systems
    • F16N19/006—Maintaining oil level
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools

Definitions

  • the usual four-cycle gasoline driven motor which supplies power for home lawn mowers, snow blowers, or the like depends for its lubrication upon a separate oil receptacle to which oil may be added through an opening usually closed by a plug.
  • the plug may or may not have a dip stick attached depending upon the depth of the oil receptacle.
  • operators of such motors are found to be housewives and teenagers who are oftentimes not sufficiently aware of the needs of the four-cycle motors to be alerted to check the oil receptacles of such motors to make certain that there is sufiicient oil for proper operation without damage to the part.
  • a convertible oil feed plug is provided with a visible oil level and reservoir kit which is adapted to be attached to existing four-cycle gasoline motors and provide a visible warning as to when oil must be added to such engines.
  • the kit also serves to provide a reservoir to additional oil for the lubrication of such motors.
  • FIGURE 1 is a perspective of a motor driven lawn mower showing a convertible oil feed plug and visible oil level and reservoir kit attached.
  • FIGURE 2 is a front elevation of a convertible oil feed plug and visible oil level and reservoir kit of the present invention.
  • FIGURE 3 is a detail of a convertible plug of the present invention.
  • FIGURE 4 is a cross section View of a convertible plug of the present invention in a shallow oil receptacle fourcycle motor.
  • FIGURE 5 is a cross section view of a convertible plug of the present invention in a deep oil receptacle of a four-cycle motor.
  • FIG. 1 a visible oil level and reservoir kit 1 and convertible plug 2 of the present invention is shown attached to a four-cycle motor powered lawn mower.
  • the visible oil level and reservoir kit 1 comprises a convertible plug 2, an oil line 3, a transparent or translucent reservoir container 4, a clamp 5 adapted to attach the container 4 to an appropriate point on a motorized device where it can be seen.
  • a stilt tube 6 for use in deep base oil reservoir four-cycle gasoline motors extends from the convertible plug 2.
  • the convertible plug 2 is provided with a hollow length 7 which opens into an enlarged exterior 8 shown in FIG- URES 3, 4 and 5 defining a conical shape.
  • the enlarged exterior 3 has an inset 9 communicating with it which is part of the hollow length 7.
  • the inset 9 is adapted to hold the stiff tube 6.
  • the inset 9 ends at a wall 1% which communicates with a further inset 11 which is part of the hollow length 7.
  • the inset 11 is adapted to receive the oil line 3.
  • the convertible plug 2 is generally of a standard size since most oil reservoir plugs for four-cycle motors for ice lawn mowers and the like are of the same diameter. stilt tube 6 is cut off at an angle forming a nib 12.
  • the visible oil level and reservoir kit I may come provided with the oil line 3 attached in the inset ll of the convertible plug 2 by being cemented or otherwise attached with the end of the oil line 3 terminating at the removable cap 13 of the container 4 or the kit may be provided with the individual parts unattached to the convertible plug 2.
  • the container 4 In operation in a shallow reservoir four-cycle gasoline motor the original plug of the four-cycle motor is replaced by the convertible plug 2, the container 4 is attached to an appropriate point where .an operator of the four-cycle engine might see the container 4.
  • the clamp 5 holds the container 4 in its selected location.
  • the clamp 5 is provided with a first gripping area 14 adapted to hold the clamp 5 with container 4 where the clamp 5 is afiixed.
  • the clamp 5 is provided with a second resilient gripping area 15 adapted to removably hold the container 4 to facilitate installation and filling of the container 4.
  • the oil line 3 When the oil line 3 is not already attached, once a location for the container and clamp 5 has been selected the oil line 3 may then be extended from the container 4 to the convertible plug 2 in the oil reservoir of the four-cycle motor, excess length of the oil line 3 may then be cut off and the oil line 3 is inserted and/ or cemented in the inset 11.
  • the container 4 is filled with oil and the cap 13 with the attached oil line 3 closed.
  • the container 4 is engaged in the second gripping area 15 of the clamp 5 in inverted position allowing the oil level to be visible and the reservoir to function.
  • the enlarged exterior 8 of the hollow length 7 acts to assist the oil flow and prevents the viscosity of the oil from holding back seepage into the oil receptacle of the motor because of the small opening of the hollow length 7.
  • the enlarged exterior 8 also facilitates air passing into the oil line 3 to the container 4 allowing the oil to seep.
  • a plastic known by the trademark Derlin has been found effective as one of the substances the convertible plug 2 may be constructed of.
  • the container 4 may be provided with markings such as full and empty as warnings as to when oil in the motor receptacle or in the container 4- ought to be added.
  • the container 4 may be provided with a second replaceable opening to allow for its filling without removal of the cap 13.
  • the cap 13 and oil lines 3 may be unitary when another closure of the container is provided.
  • the tube 6 must be dimensioned to be open at the point where oil must be added to the oil level in order to provide proper protection to the motor.
  • the tube 6 must be fitted so that the upper end of the nib 12 is just at the upper lowest point of the proper oil level.
  • the tube 6 may be cut off at the end opposite the nib 12 or a new nib 12 cut into the tube 6 to adjust the proper length extending from inset 9.
  • the tube may be cemented or if a good grip is had in the inset 9 the tube may be just inserted firmly.
  • a kit for providing a visible oil level and reservoir for a four-cycle gasoline motor including a container through which oil may be viewed, means adapted to clamp said container to a selected element remote from said motor, an oil line, said oil line connected to said container, a convertible oil feed plug adapted to fit the oil inlet opening of a four-cycle gasoline motor, including means adapted to receive said oil line, a length within said plug adapted to deliver oil to a shallow receptacle; said length opening into the apex of a cone within said plug, and a removable delivery tube adapted to deliver oil to a deeper receptacle and adapted to be removably held by said length and extending through the enlarged exterior.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Description

May 4, 1965 G. F. M KENNEY 3,181,362
CONVERTIBLE OIL FEED PLUG AND VISIBLE OIL LEVEL AND RESERVOIR KIT Filed'Oct. 25. 1961 INVENTOR. GEORGE E MC/(ENNEY A fro/war United States Patent 3 181 362 CGNVERTBLE (BIL i EED PLUG AND VISTELE Gill, LEVEL AND REEERVQIR KIT George F. Mcldenney, Turner Road, Auburn, Maine Filed Get. 25, 1961, Ser. No. 147,693 1 Claim. (Cl. 73-303) This invention relates to a novel convertible oil feed plug usable with .a visible oil level and reservoir kit for use with usual four-cycle. gasoline engines.
The usual four-cycle gasoline driven motor which supplies power for home lawn mowers, snow blowers, or the like depends for its lubrication upon a separate oil receptacle to which oil may be added through an opening usually closed by a plug. The plug may or may not have a dip stick attached depending upon the depth of the oil receptacle. Among the usual operators of such motors are found to be housewives and teenagers who are oftentimes not sufficiently aware of the needs of the four-cycle motors to be alerted to check the oil receptacles of such motors to make certain that there is sufiicient oil for proper operation without damage to the part.
According to the present invention a convertible oil feed plug is provided with a visible oil level and reservoir kit which is adapted to be attached to existing four-cycle gasoline motors and provide a visible warning as to when oil must be added to such engines. The kit also serves to provide a reservoir to additional oil for the lubrication of such motors.
Although such novel features as are believed to be characteristic of the invention and are pointed out in the claim, the invention and the manner in which it may be carried out, may be further understood by reference to the description following and the accompanying drawings.
FIGURE 1 is a perspective of a motor driven lawn mower showing a convertible oil feed plug and visible oil level and reservoir kit attached.
FIGURE 2 is a front elevation of a convertible oil feed plug and visible oil level and reservoir kit of the present invention.
FIGURE 3 is a detail of a convertible plug of the present invention.
FIGURE 4 is a cross section View of a convertible plug of the present invention in a shallow oil receptacle fourcycle motor.
FIGURE 5 is a cross section view of a convertible plug of the present invention in a deep oil receptacle of a four-cycle motor.
Referring now to the figures in greater detail, where like reference numbers denote like parts in the various figures.
In FIG. 1 a visible oil level and reservoir kit 1 and convertible plug 2 of the present invention is shown attached to a four-cycle motor powered lawn mower. The visible oil level and reservoir kit 1 comprises a convertible plug 2, an oil line 3, a transparent or translucent reservoir container 4, a clamp 5 adapted to attach the container 4 to an appropriate point on a motorized device where it can be seen. As shown in FIG. 2 a stilt tube 6 for use in deep base oil reservoir four-cycle gasoline motors extends from the convertible plug 2.
The convertible plug 2 is provided with a hollow length 7 which opens into an enlarged exterior 8 shown in FIG- URES 3, 4 and 5 defining a conical shape. The enlarged exterior 3 has an inset 9 communicating with it which is part of the hollow length 7. The inset 9 is adapted to hold the stiff tube 6. The inset 9 ends at a wall 1% which communicates with a further inset 11 which is part of the hollow length 7. The inset 11 is adapted to receive the oil line 3.
The convertible plug 2 is generally of a standard size since most oil reservoir plugs for four-cycle motors for ice lawn mowers and the like are of the same diameter. stilt tube 6 is cut off at an angle forming a nib 12.
The visible oil level and reservoir kit I may come provided with the oil line 3 attached in the inset ll of the convertible plug 2 by being cemented or otherwise attached with the end of the oil line 3 terminating at the removable cap 13 of the container 4 or the kit may be provided with the individual parts unattached to the convertible plug 2.
In operation in a shallow reservoir four-cycle gasoline motor the original plug of the four-cycle motor is replaced by the convertible plug 2, the container 4 is attached to an appropriate point where .an operator of the four-cycle engine might see the container 4. The clamp 5 holds the container 4 in its selected location. The clamp 5 is provided with a first gripping area 14 adapted to hold the clamp 5 with container 4 where the clamp 5 is afiixed. The clamp 5 is provided with a second resilient gripping area 15 adapted to removably hold the container 4 to facilitate installation and filling of the container 4. When the oil line 3 is not already attached, once a location for the container and clamp 5 has been selected the oil line 3 may then be extended from the container 4 to the convertible plug 2 in the oil reservoir of the four-cycle motor, excess length of the oil line 3 may then be cut off and the oil line 3 is inserted and/ or cemented in the inset 11.
A shoulder 16, formed by the junction of the enlarged exterior 8 and bottom of the convertible plug 2, when fully inserted in the opening of a shallow oil receptacle of a four-cycle gasoline motor is submerged in the lubricant oil of the motor. The container 4 is filled with oil and the cap 13 with the attached oil line 3 closed. The container 4 is engaged in the second gripping area 15 of the clamp 5 in inverted position allowing the oil level to be visible and the reservoir to function.
When the oil level of the four-cycle gasoline motor drops below the level of the shoulder 16, oil seeps into the motor oil receptacle from the container maintaining lubrication in the motor. The enlarged exterior 8 of the hollow length 7 acts to assist the oil flow and prevents the viscosity of the oil from holding back seepage into the oil receptacle of the motor because of the small opening of the hollow length 7. The enlarged exterior 8 also facilitates air passing into the oil line 3 to the container 4 allowing the oil to seep.
A plastic known by the trademark Derlin has been found effective as one of the substances the convertible plug 2 may be constructed of. The container 4 may be provided with markings such as full and empty as warnings as to when oil in the motor receptacle or in the container 4- ought to be added. The container 4 may be provided with a second replaceable opening to allow for its filling without removal of the cap 13. The cap 13 and oil lines 3 may be unitary when another closure of the container is provided.
Where a convertible plug 2 and visible oil level and reservoir kit 1 of the present invention is used in conjunction with a deep oil reservoir of a four-cycle gasoline motor as shown in FIGURES 5, the tube 6 must be dimensioned to be open at the point where oil must be added to the oil level in order to provide proper protection to the motor. The tube 6 must be fitted so that the upper end of the nib 12 is just at the upper lowest point of the proper oil level. The tube 6 may be cut off at the end opposite the nib 12 or a new nib 12 cut into the tube 6 to adjust the proper length extending from inset 9. The tube may be cemented or if a good grip is had in the inset 9 the tube may be just inserted firmly.
In operation as the oil level in the deep reservoir of the four-cycle gasoline motor drops below the add point, air is permitted to seep into the tube 6 allowing oil to seep from the container 4 maintaining the oil level. The angu- The lation of the nib 112 permits the seepage whereas a fiat end of the tube 6 might not permit such How.
The terms and expressions which are employed are used as terms of description, it is recognized, though, that various modifications are possible within the scope of the invention claimed.
What is claimed is:
A kit for providing a visible oil level and reservoir for a four-cycle gasoline motor including a container through which oil may be viewed, means adapted to clamp said container to a selected element remote from said motor, an oil line, said oil line connected to said container, a convertible oil feed plug adapted to fit the oil inlet opening of a four-cycle gasoline motor, including means adapted to receive said oil line, a length within said plug adapted to deliver oil to a shallow receptacle; said length opening into the apex of a cone within said plug, and a removable delivery tube adapted to deliver oil to a deeper receptacle and adapted to be removably held by said length and extending through the enlarged exterior.
References Cited by the Examiner UNITED STATES PATENTS 668,814 2/01 Edwards 184-52 1,477,145 12/23 Marone. 1,644,378 10/27 Hirschler. 2,175,881 10/39 Davis 184-84 2,624,200 1/53 Sparlin 73323 3,095,009 6/63 Conley 1161l8 3,103,816 9/63 Kawecki 73-232 ISAAC LISANN, Primary Examiner.
US147693A 1961-10-25 1961-10-25 Convertible oil feed plug and visible oil level and reservoir kit Expired - Lifetime US3181362A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380272A (en) * 1979-05-19 1983-04-19 Zahnradfabrik Friedrichshafen Ag Oil reservoir particularly for hydraulic steering system
US6427427B1 (en) 2000-05-31 2002-08-06 Tecumseh Products Company Oil drain and sight gauge for internal combustion engine
US20050279317A1 (en) * 2004-06-18 2005-12-22 Leasure Jeremy D Reservoir seal with fluid level indicator
US20060099048A1 (en) * 2002-10-23 2006-05-11 Ward Richard P Self-attaching female fasteners and method of forming female fastener elements
US20110283788A1 (en) * 2010-05-19 2011-11-24 Labbe Robert A Boat Steering Fluid Sight Gauge
US20130125809A1 (en) * 2011-11-17 2013-05-23 Briggs & Stratton Corporation System for checking oil level

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US668814A (en) * 1899-03-16 1901-02-26 Frank W Edwards Lubricator.
US1477145A (en) * 1920-09-07 1923-12-11 Marone Alfredo Liquid-level indicator
US1644378A (en) * 1922-04-13 1927-10-04 Horace L Hirschler Brake-operating mechanism
US2175881A (en) * 1935-11-11 1939-10-10 Stewart Warner Corp Lubricating apparatus
US2624200A (en) * 1950-10-23 1953-01-06 Marvin D Sparlin Brake fluid indicator
US3095009A (en) * 1960-11-21 1963-06-25 Howard W Conley Battery liquid level checker
US3103816A (en) * 1960-11-25 1963-09-17 Sturdevant Mfg Corp Cap and gauge structure for crankcase fill opening

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US668814A (en) * 1899-03-16 1901-02-26 Frank W Edwards Lubricator.
US1477145A (en) * 1920-09-07 1923-12-11 Marone Alfredo Liquid-level indicator
US1644378A (en) * 1922-04-13 1927-10-04 Horace L Hirschler Brake-operating mechanism
US2175881A (en) * 1935-11-11 1939-10-10 Stewart Warner Corp Lubricating apparatus
US2624200A (en) * 1950-10-23 1953-01-06 Marvin D Sparlin Brake fluid indicator
US3095009A (en) * 1960-11-21 1963-06-25 Howard W Conley Battery liquid level checker
US3103816A (en) * 1960-11-25 1963-09-17 Sturdevant Mfg Corp Cap and gauge structure for crankcase fill opening

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380272A (en) * 1979-05-19 1983-04-19 Zahnradfabrik Friedrichshafen Ag Oil reservoir particularly for hydraulic steering system
US6427427B1 (en) 2000-05-31 2002-08-06 Tecumseh Products Company Oil drain and sight gauge for internal combustion engine
US20060099048A1 (en) * 2002-10-23 2006-05-11 Ward Richard P Self-attaching female fasteners and method of forming female fastener elements
US20050279317A1 (en) * 2004-06-18 2005-12-22 Leasure Jeremy D Reservoir seal with fluid level indicator
US20110283788A1 (en) * 2010-05-19 2011-11-24 Labbe Robert A Boat Steering Fluid Sight Gauge
US8307706B2 (en) * 2010-05-19 2012-11-13 Underway Marine Llc Boat steering fluid sight gauge
US20130125809A1 (en) * 2011-11-17 2013-05-23 Briggs & Stratton Corporation System for checking oil level

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