US2108710A - Automatic motok fuel control - Google Patents
Automatic motok fuel control Download PDFInfo
- Publication number
- US2108710A US2108710A US2108710DA US2108710A US 2108710 A US2108710 A US 2108710A US 2108710D A US2108710D A US 2108710DA US 2108710 A US2108710 A US 2108710A
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- Prior art keywords
- casing
- fuel
- valve body
- shoulders
- oil
- Prior art date
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- Expired - Lifetime
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- 239000000446 fuel Substances 0.000 title description 98
- 210000002832 Shoulder Anatomy 0.000 description 62
- 239000003921 oil Substances 0.000 description 46
- 238000002485 combustion reaction Methods 0.000 description 12
- 210000002445 Nipples Anatomy 0.000 description 10
- 239000000314 lubricant Substances 0.000 description 8
- 210000004907 Glands Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000001771 impaired Effects 0.000 description 4
- 241001106462 Ulmus Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000000266 injurious Effects 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 230000001050 lubricating Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
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Definitions
- This invention relates to means adapted to operate automatically to cut off the flow or supply of fuel to an internal combustion engine in the event of oil failure within the engine such as 5 stoppage of the oil circulating system, or the absence of a sufiicient quantity of the oil for efficient operation.
- Figure 1 is a View in side elevation our improvements
- Figure 2 is a view on an enlarged scale, primarily through the novel valveiemployed, the parts being in normal position wherein fuel flows to the engine;
- Figure 3 is a view similar to Figure 2 but showing the fuel to the engine but ofi, as in case-of oil failure;
- Figure 4 is a' horizontal sectional view taken the line 4-4 of Figure 3;
- Figure-5 is a vertical sectional view taken on the line 5-5 of Figure 3;
- Figure 6 is a view in elevation showing the sec ,tions of the valve body detached. 7
- Figure 7 is a fragmentary vertical sectional View through a modified form.
- I9 illustrates an internal combustion engine having a fuel line II leading from a fuel supply tank I2, through a vacuum tank I3, to a carbureter l4, communicating in the usual way with the intake manifold I5 of said internal combustion engine.
- Said engine has an endless conduit I6 in communication with the. crank case and through which the lubricating oil of such crankcase for the engine passes, being circulated under pressure by a pump I'l suitably” driven from the engine.
- a branch pipe I8 extends'from thelubricant pipe I6.
- a vertical cylindrical casing I9 has bosses illustrating 1936, Serial No. 74,364
- jacent portions of the pipe forming the fuel line II are connected by means of screw-threaded nipples or the like 22 and 23, said bosses having bores or ports 24 therethrough communicating a with the interior of the casing.
- Said casing I9 has a cap 26 screwed tightly thereto with a gasket Z'Iinterposed and a branch pipe or conduit 28' is connected to the cap by means of a nipple 29 screw-threaded thereto, and which branch is also connected to a coupling 30 connected in the line II between the vacuum tank and the casing I9.
- Said casing I9 has an interior annular enlargement at 35, below the ports 24 and 25, which .has oppositely beveled shoulders 36 and 31, at the upper and lower ends thereof.
- a valve body 38 is slidablewithin thecasing I9, and it consists of upper. and lower sections 39 and 40, detachably connectedtogether by means of a screw-threaded shank or stud M on the section 39 engaging a screw-threaded recess 42 in the section 40.
- Said sections respectively have bevel-ed shouldersat 43 and 44, a greater distance apart than the shoulders 36 and .31, and respectively adapted to engage the same in the closed and open condition or position of the valve to out off or permit the passage of a fuel through the line II to the carbureter.
- valve seats 36, 31, 43, and 44 are preferably ground. It will be noted that the section 40 has a stem 45 of substantially the same diameter as the bore of the enlargement 35 and which stem is preferably annula'rly grooved as at 46 to facilitate the flow of fuel in the line I I.
- a flexible packing cup 41 is fastened to thetop of the valve section 39 by means of a screw 48 and disc 49, with an expansive spring 50 in engagement with the latter-and with the cap 26.
- A-chamber or space 5I is provided in the casing above the cup which is filled with fuel admitted through the branch 28- so that the valve will be subject to the weight of such fuel as well as any pressure thereon.
- a flexible packing cup 52 is secured by means of a screw53; and adisc 54,-a space or chamber 55 remaining below the same in the casing l9 designed to be filled with lubricant through the branch l8 and to be subject to the pressure of such lubricant normally maintains the valve body in the position shown in Figure 2, permitting the flow of fuel through the line H tothe carbureter or engine.
- a screw 55 is threaded in the cap 32.
- Such screw 56 is adapted to be turned against the lower end of the valve body to raise it from a closed position as in Figure 3 to the open position as in Figure 2, when starting the internal combustion engine or if the device has cut off the fuel supply, and it is estimated that it will not be injurious to' operate the engine, knowing the lubricating system would be impaired.
- valve body under such conditions being subject to the weight and pressure of the fuel from above and subject to the pressure of the oil from below, the pressure of the latter overcoming that of the fuel and the spring 50 so that under normal conditions the valve remains in the open position of Figure 2, with the seat 44 and 31 intimately engaging to prevent any interflow or admixture of fuel and oil.
- a lock nut 60 may be provided on the bolt 56 if desired.
- the screw 56 is desirable for use on trucks, and may even be used on passenger vehicles, yet it is preferably desired to provide means for use on passenger cars, and is practically necessary when driven by women, as it will provide a means which will accomplish the same function as the set screw 56 and which may be operated from the instrument board of the vehicle.
- a construction accomplishing this end is disclosed in Figure 7.
- the cap 32' which is the equivalent of that at 32 has a rod or plunger 6
- a nipple or guide sleeve 62 is threaded to the cap 32' and the plunger 61 has an enlargement 63 operating in such tube, its upward movement being limited by engagement with an inwardly extending flange 64 and its lower movement being limited by engagement with a shoulder 65 of the cap 32'.
- Below the shoulder 65 packing 66 is provided about the plunger 6
- a pin or abutment 68 is provided on the plunger and an expansive coil spring69 surrounds the plunger, abutting the gland at one end and the pin 68 at the other end.
- a lever 10 is pivoted at 10 to said cap 32' and it has an offset portion H engageable with the lower end of the plunger 6!.
- a draw rod or the equivalent [2 is connected to the lower end of the lever 10.
- element 12 is pulled from the instrument board or the like thereby causing the lever 10 at portion H to engage and raise the plunger 6
- the rod 12 may be held by hand as long as desired or suitable means may be provided to latch or secure it in such position.
- the spring 50 may be dispensed with when the device is used with a forced-feed fuel system as the pressure of the fuel is in such instance the only requisite to operation of closing the passage for the fuel to the carbureter.
- a casing connected to the fuel supply line, branches leading from the fuel supply line and pressure oil circulating line to the upper and lower ends of the casing respectively, a vertically movable valve body in the casing subject to the pressure of the oil and having a passageway therein between its upper and lower ends to maintain the fuel supply line open, said valve body being also subject to the weight and pressure of the fuel so that in the event of oil-failure, said valve body Will lower to cut off the flow of fuel in the fuel supply line, said casing having interiorly thereof spaced apart shoulders, and said valve body having shoulders spaced apart a greaterdistance than the first mentioned shoulders and engageable therewith.
- a casing connected to the fuel supply line, branches leading from the fuel supply line and pressure oil circulating line to the upper and lower ends of the casing respectively, a vertically movable valve body in the casing subject to the pressure of the oil and having a passageway therein between its upper and lower ends to maintain the fuel supply line open, said valve body being also subject to the weight and pressure of the fuel so that in the event of oilfailure, said valve body will lower to cut off the flow of fuel in the fuel supply line, said casing having interiorly thereof spaced apart shoulders, and said valve body having shoulders spaced apart a greater distance than the first mentioned shoulders and engageable therewith, spring means within the casing urging downward movement of the valve body, and means carried by the casing operable to move the valve body to open position.
- a device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced at greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line.
- a device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned valve seats and adapted to engage the latter, and caps on opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said casing having an integral enlargement providing first mentioned shoulders, and an element operable through one of said caps to positively move and maintain the valve body in an open position.
- a device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on the opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said valve body comprising sections detachably secured together.
- a device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said shoulders being ground, packing cups at the outer ends of the movable valve body, and an expansive spring engaging one of the caps and the uppermost packing cup.
- a device of the class described having a ver tical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on the opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said shoulders being ground, packing cups at the outer ends of the movable valve body, and an expansive spring engaging one of the caps and the uppermost packing cup, said valve body being in sections, one of said sections having a screw element detachably engaged in the other, said reduced portion having a channel about the same.
- a device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body Within the casing having a reduced portion. intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on the opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said casing having an integral enlargement providing first mentioned shoulders, and an element operable through one of said caps operable to positively move and maintain the valve body in an open position, comprising a plunger, spring means urging said plunger to lowermost position, said plunger having an en largement, means in the path of movement of the enlargement to limit the upper and lower movement of the'plunger, a lever pivoted on the adjacent cap, and means operable to move said lever against the plunger to raise it.
- FREDERICK S GLEOCKLER. ALBERT GLEOCKLER. FREDERICK M. GLEOCKLER.
Description
I FS. GLEOCKLER ET AL 2110mm AUTOMATIC MOTOR FUEL CONTROL .Filed April 14, 1936 2 Sheets-Sheet 1 rvuQ/YMMS lifilmoifler; & 61204171121;
M Gleaaifier Feb 15, 1938.
Feb 9 1938- F. s. GLEOCKLER ET AL 2,108,719
AUTOMATIC MOTOR FUEL CONTROL Filed April 14, 1936 2 Sheets-Sheet 2 M MW. 7 n ww I g M m F 5 Elm/ri 17. 5160674627 1. M 6160611. 554 i %fluovwu Patented Feb. 15, 1938 AUTOMA'I'IG MOTOR FUEL, CONTROL Frederick S. Gleo'ckler, Albert Gleockler, and Frederick M. Gleockler, Camden County, N. J.
Application April 14,
8 Claims.
This invention relates to means adapted to operate automatically to cut off the flow or supply of fuel to an internal combustion engine in the event of oil failure within the engine such as 5 stoppage of the oil circulating system, or the absence of a sufiicient quantity of the oil for efficient operation.
It is further aimed to provide a novel structure wherein the result is accomplished by means primarily under control of the pressure of the oil or lubricant.
It is further aimed to provide a novel structure of a valve particularly adapted for use in the new organization, the same having ground seats and being constructed generally to prevent undesired admixture or interfiow of fuel and oil.
The more specific objects and advantages will become apparent from a consideration of thedescription following taken in connection'with ac- 20 companying drawings illustrating an operative embodiment.
In said drawings:-
Figure 1 is a View in side elevation our improvements;
Figure 2 is a view on an enlarged scale, primarily through the novel valveiemployed, the parts being in normal position wherein fuel flows to the engine; 1
Figure 3 is a view similar to Figure 2 but showing the fuel to the engine but ofi, as in case-of oil failure;
Figure 4 is a' horizontal sectional view taken the line 4-4 of Figure 3;
Figure-5 is a vertical sectional view taken on the line 5-5 of Figure 3;
Figure 6 is a view in elevation showing the sec ,tions of the valve body detached. 7
Figure 7 is a fragmentary vertical sectional View through a modified form. v 7
Referring specifically to the drawings wherein like reference characters designate like or similar parts, I9 illustrates an internal combustion engine having a fuel line II leading from a fuel supply tank I2, through a vacuum tank I3, to a carbureter l4, communicating in the usual way with the intake manifold I5 of said internal combustion engine.
Said engine has an endless conduit I6 in communication with the. crank case and through which the lubricating oil of such crankcase for the engine passes, being circulated under pressure by a pump I'l suitably" driven from the engine. A branch pipe I8 extends'from thelubricant pipe I6.
A vertical cylindrical casing I9 has bosses illustrating 1936, Serial No. 74,364
and 2I at opposite sides thereof to which the ad.-
jacent portions of the pipe forming the fuel line II are connected by means of screw-threaded nipples or the like 22 and 23, said bosses having bores or ports 24 therethrough communicating a with the interior of the casing.
Said casing I9 has a cap 26 screwed tightly thereto with a gasket Z'Iinterposed and a branch pipe or conduit 28' is connected to the cap by means of a nipple 29 screw-threaded thereto, and which branch is also connected to a coupling 30 connected in the line II between the vacuum tank and the casing I9.
Screw-threaded at 3|. to the lower end of the casing I9 is a cap'32 to which the branch I8 of I the lubricant circuit I6 is connected'as by means of a screw-threaded nipple 33, the cap 32 having a passage communicating with said nipple and with the interior of the casing.
Said casing I9 has an interior annular enlargement at 35, below the ports 24 and 25, which .has oppositely beveled shoulders 36 and 31, at the upper and lower ends thereof. A valve body 38, detailed in Figure 6, is slidablewithin thecasing I9, and it consists of upper. and lower sections 39 and 40, detachably connectedtogether by means of a screw-threaded shank or stud M on the section 39 engaging a screw-threaded recess 42 in the section 40. Said sections respectively have bevel-ed shouldersat 43 and 44, a greater distance apart than the shoulders 36 and .31, and respectively adapted to engage the same in the closed and open condition or position of the valve to out off or permit the passage of a fuel through the line II to the carbureter.
Since it is essential that a fuel and oil should not admix or interfiow or one flow into the line of the other, the valve seats 36, 31, 43, and 44 are preferably ground. It will be noted that the section 40 has a stem 45 of substantially the same diameter as the bore of the enlargement 35 and which stem is preferably annula'rly grooved as at 46 to facilitate the flow of fuel in the line I I.
A flexible packing cup 41 is fastened to thetop of the valve section 39 by means of a screw 48 and disc 49, with an expansive spring 50 in engagement with the latter-and with the cap 26. A-chamber or space 5I is provided in the casing above the cup which is filled with fuel admitted through the branch 28- so that the valve will be subject to the weight of such fuel as well as any pressure thereon. a
At the lower end of the valve section 40, a flexible packing cup 52 is secured by means of a screw53; and adisc 54,-a space or chamber 55 remaining below the same in the casing l9 designed to be filled with lubricant through the branch l8 and to be subject to the pressure of such lubricant normally maintains the valve body in the position shown in Figure 2, permitting the flow of fuel through the line H tothe carbureter or engine.
It will be noted that a screw 55 is threaded in the cap 32. Such screw 56 is adapted to be turned against the lower end of the valve body to raise it from a closed position as in Figure 3 to the open position as in Figure 2, when starting the internal combustion engine or if the device has cut off the fuel supply, and it is estimated that it will not be injurious to' operate the engine, knowing the lubricating system would be impaired.
It will be understood that normally the valve body is in the position shown in Figure 2, the
It is clear that a lock nut 60 may be provided on the bolt 56 if desired.
While the screw 56 is desirable for use on trucks, and may even be used on passenger vehicles, yet it is preferably desired to provide means for use on passenger cars, and is practically necessary when driven by women, as it will provide a means which will accomplish the same function as the set screw 56 and which may be operated from the instrument board of the vehicle. A construction accomplishing this end is disclosed in Figure 7. In this form, the cap 32' which is the equivalent of that at 32 has a rod or plunger 6| s idably mounted centrally thereof. A nipple or guide sleeve 62 is threaded to the cap 32' and the plunger 61 has an enlargement 63 operating in such tube, its upward movement being limited by engagement with an inwardly extending flange 64 and its lower movement being limited by engagement with a shoulder 65 of the cap 32'. Below the shoulder 65 packing 66 is provided about the plunger 6|, the same being held in place by a gland '61 screwed into. the cap 32'. A pin or abutment 68 is provided on the plunger and an expansive coil spring69 surrounds the plunger, abutting the gland at one end and the pin 68 at the other end. Thus the plunger is urged to and maintained in its lowermost position. A lever 10 is pivoted at 10 to said cap 32' and it has an offset portion H engageable with the lower end of the plunger 6!. A draw rod or the equivalent [2 is connected to the lower end of the lever 10.
As a result of the construction described, in
the event it is desired to raise the valve body, for the same purposes that it is raised by the screw 56, element 12 is pulled from the instrument board or the like thereby causing the lever 10 at portion H to engage and raise the plunger 6| the latter contacting with the valve body and raising it to the position shown in Figure 7 so that the fuel may. pass through the fuel line. In this position, the rod 12 may be held by hand as long as desired or suitable means may be provided to latch or secure it in such position. The spring 50 may be dispensed with when the device is used with a forced-feed fuel system as the pressure of the fuel is in such instance the only requisite to operation of closing the passage for the fuel to the carbureter.
We claim as our invention:
1. In combination with the fuel supply line and pressure-oil circulating line of an internal combustion engine, a casing connected to the fuel supply line, branches leading from the fuel supply line and pressure oil circulating line to the upper and lower ends of the casing respectively, a vertically movable valve body in the casing subject to the pressure of the oil and having a passageway therein between its upper and lower ends to maintain the fuel supply line open, said valve body being also subject to the weight and pressure of the fuel so that in the event of oil-failure, said valve body Will lower to cut off the flow of fuel in the fuel supply line, said casing having interiorly thereof spaced apart shoulders, and said valve body having shoulders spaced apart a greaterdistance than the first mentioned shoulders and engageable therewith.
2. In combination with the fuel supply line and pressure-oil circulating line of an internal combustion engine, a casing connected to the fuel supply line, branches leading from the fuel supply line and pressure oil circulating line to the upper and lower ends of the casing respectively, a vertically movable valve body in the casing subject to the pressure of the oil and having a passageway therein between its upper and lower ends to maintain the fuel supply line open, said valve body being also subject to the weight and pressure of the fuel so that in the event of oilfailure, said valve body will lower to cut off the flow of fuel in the fuel supply line, said casing having interiorly thereof spaced apart shoulders, and said valve body having shoulders spaced apart a greater distance than the first mentioned shoulders and engageable therewith, spring means within the casing urging downward movement of the valve body, and means carried by the casing operable to move the valve body to open position.
3. A device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced at greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line.
4. A device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned valve seats and adapted to engage the latter, and caps on opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said casing having an integral enlargement providing first mentioned shoulders, and an element operable through one of said caps to positively move and maintain the valve body in an open position.
5. A device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on the opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said valve body comprising sections detachably secured together.
6. A device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said shoulders being ground, packing cups at the outer ends of the movable valve body, and an expansive spring engaging one of the caps and the uppermost packing cup.
7. A device of the class described having a ver tical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body within the casing having a reduced portion intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on the opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said shoulders being ground, packing cups at the outer ends of the movable valve body, and an expansive spring engaging one of the caps and the uppermost packing cup, said valve body being in sections, one of said sections having a screw element detachably engaged in the other, said reduced portion having a channel about the same.
8. A device of the class described having a vertical casing provided with inlet and outlet ports intermediate the ends thereof, said casing having interior spaced apart shoulders, a vertically movable valve body Within the casing having a reduced portion. intermediate its ends and provided with shoulders spaced a greater distance apart than the first mentioned shoulders and adapted to engage the latter, and caps on the opposite ends of said casing forming inlets adapted to communicate with a fuel supply line and an oil supply line, said casing having an integral enlargement providing first mentioned shoulders, and an element operable through one of said caps operable to positively move and maintain the valve body in an open position, comprising a plunger, spring means urging said plunger to lowermost position, said plunger having an en largement, means in the path of movement of the enlargement to limit the upper and lower movement of the'plunger, a lever pivoted on the adjacent cap, and means operable to move said lever against the plunger to raise it.
FREDERICK S. GLEOCKLER. ALBERT GLEOCKLER. FREDERICK M. GLEOCKLER.
Publications (1)
Publication Number | Publication Date |
---|---|
US2108710A true US2108710A (en) | 1938-02-15 |
Family
ID=3429250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US2108710D Expired - Lifetime US2108710A (en) | Automatic motok fuel control |
Country Status (1)
Country | Link |
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US (1) | US2108710A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2852096A (en) * | 1956-03-30 | 1958-09-16 | Kiekhaefer Corp | Manual oiling system for enginedriven tools |
-
0
- US US2108710D patent/US2108710A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2852096A (en) * | 1956-03-30 | 1958-09-16 | Kiekhaefer Corp | Manual oiling system for enginedriven tools |
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