US2765963A - Pump feed oil ejector can - Google Patents

Pump feed oil ejector can Download PDF

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US2765963A
US2765963A US356247A US35624753A US2765963A US 2765963 A US2765963 A US 2765963A US 356247 A US356247 A US 356247A US 35624753 A US35624753 A US 35624753A US 2765963 A US2765963 A US 2765963A
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oil
pump
cap
container
delivery
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US356247A
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Langguth Reinhold
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005Components or details
    • B05B11/0059Components or details allowing operation in any orientation, e.g. for discharge in inverted position
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N3/00Devices for supplying lubricant by manual action
    • F16N3/02Devices for supplying lubricant by manual action delivering oil
    • F16N3/04Oil cans; Oil syringes
    • F16N3/08Oil cans; Oil syringes incorporating a piston-pump

Definitions

  • the invention relates to oil ejector cans, in which, by means of a pump, oil is pressed out of the container through an ejection spout carried by a screw-cap or the like.
  • the inlet opening of the suction pipe of the pump is generally extended downwardly to near the bottom or, in an angularly projecting form, down to the inside corner formed by the bottom and the shell of the can.
  • the pump has a delivery chamber separated from the ejection spout by means of a delivery valve, the delivery chamber being provided, immediately below the screw-cap of the can, with inlet openings that can be closed.
  • the oil enters the delivery chamber through these openings and will be delivered through the ejection spout at each stroke of the pump, the openings closing at the same time.
  • the inlet openings of such cover pumps may also be designed as suction valves known from the bottom pumps.
  • an arrangement is used in which, according to the invention, the delivery chamber communicating with the ejection spout by means of a delivery valve, is tightly closed at its other end by a tube sliding therein and moved by the lifting lever, the tube being closed at its free end and being provided with inlet openings, which are lying open towards the interior of the container, when the pump is at its neutral posi tion, and which are closed at the beginning of the lifting movement, when the tube enters the surrounding guideway.
  • the latter arrangement has the advantage of greater simplicity and reliability above the use of a suc ⁇ tion valve, as the entering of the oil into the inlet openings is considerably more favoured by the vacuum developing in the delivery chamber during the delivery stroke than by the use of suction valves.
  • Another feature of the invention is, vide the pump oiler, in addition to the cover pump also with the bottom pump.
  • Thi-s measure is completed by the additional bottom pump being provided with a suction tube pivotally arranged round the middle axis of the container, the suction tube adjusting itself automatically to the respective lowest spot of the container, when the can is held either in an upright or inclined position as the case may be.
  • the additional bottom pump being provided with a suction tube pivotally arranged round the middle axis of the container, the suction tube adjusting itself automatically to the respective lowest spot of the container, when the can is held either in an upright or inclined position as the case may be.
  • the drawing shows a vertical sectional View centrally through the oil ejector can.
  • the bottle-like oil container 1 of the 'oil ejector can is closed, at its upper end, by a screw-threaded cap 2, a packing ring 3 being inserted between the can body and the cap.
  • a downwardly extending tube 5 is screwed, in a well-known manner, into a threaded bore-hole 4 the tube being provided, at
  • a vertically movable suction tube 9 is slidably mounted on the rigidly fixed tube 5, the lower end of the Suction tube 9 being rigidly connected with a branch rod 11 embracing a draw-bar 12, to which it can be tightly screwed by means of a cap nut 13 or the like.
  • Drawbar 12 extends upwards through a bore-hole 14 in the cap and engages with its hook-shaped upper end 15 over the brldge 16 formed by a lifting lever 17, whlch can the hand embracing the can.
  • a cap 24 with 'opening 25 is screwed into the end of the pipe 19 projecting angularly to the inside corner of the container.
  • the opening 25 is closed by a ball 26 controlled by a spring 27.
  • this pivotally mounted suction pipe 19 with its suction valve 25 and 26 will always adjust itself, in consequence of its own weight, to the lowest spot of the can interior.
  • antechamber 28 for the arrangement of spring 7, which is to keep the ball 8 in position.
  • the antechamber passes over through a vertical borehole 29 and a transversal borehole 31 into another chamber 32, which is connected 28 to 32 are arranged within a piece of light metal 34 which is mounted on cap 2 and preferably forms one single light metal casting with the latter.
  • a borehole 35 is provided for, serving as a delivery chamber for the cover pump.
  • the delivery chamber 35 is closed by a ball 36 controlled and kept in a closing position by the spring 37 mounted in chamber 32.
  • the openings 41 connect the lelivery chamber 35 with the interior of the container.
  • the shell is extending downwards as a solid body having, at its lower end, a. circular groove 42 engaging the fork-end 43 of a cross arm dfi vfixed to the upper end of the suction pipe 3*.
  • a protection tube d is screwed into the screw-threaded cap 2 from below' and coaxially with thedrawbar 1,2, a packing ring being inserted between the tube 45 and the cap 2. fhe protection tube surrounds the drawbar very tightly, as it is its task to prevent the oil from flowing off through the borehole lill, when the can held in a downwardly inclined position. Underneath the protection tube if? and in a well-l nown manner, a spacing tube with adjusting nuts may be iixed on draw-bar l2 for adjusting the stroke of all the movable parts of the pump.
  • the transversal bore-hole 3l is closed by a threaded bolt fio, which allows the access also to the bore-holes Z9, 3l and to chamber 32, in case of the passages being blocked, etc.
  • a long helical spring d? is provided for, which tends to move down to the lowest position of the suction tube with all the parts fined thereto.
  • the oil ejector can as described is operated as follows: On the lifting lever El? being pressed vdown in the direction of the arrow i8, the drawbar l2 is lifted up and, by means of the cross arm ll, carries up with it the suction tube 9 and the pivotally mounted suction pipe end i9. By means of the cross arm dfi, the shell 3?; is carried upwards at the same time. As soon as the lifting lever is released, the parts will automatically be removed by spring 47 into the neutral position as shown.
  • the suction Valve 25, 2o is surrounded by oil, which is sucked through the suction valve 25', 2d into the interior of the suction tube, when the latter 9, i9 is returning into the lowest neutral position.
  • the suction tube is filled with oil.
  • the oil will be pressed through the delivery valve 6, S and the connecting charnbers and holes 2d, Z9, 3l, and 32 into the ejection spout 33.
  • the cover pump represented by the delivery valve 3d, 37, delivery chamber 35, and by the shell 3S will have no effect whatever on the oil-quantity ejected. lt is true that the shell 35 is carried along upwards, but no oil has entered through the inlet openings dit, as the oil level is farther beneath these openings, so that only the air is compressed in the delivery chamber, when the shell 38 is lifted upwards. if, in consequence thereof, the delivery valve Sti is opened against the action of the spring 37, the only effect is that some air enters the chamber 32. but this air will not hamper the oil passage of the bottom pump. On the contrary, it will support it, as the pressure effect of this air has a suction eifect on the transversal borehole 31.
  • the cover pump will come into action instead of the bottom pump.
  • the inlet openings lie open directly underneath the lower face of the cap I 39, so that the oil can freely enter and more or less ill the delivery chamber 3S.
  • the shell 3S is slid int'o the delivery chamber 35.
  • the inlet openings are laterally covered by the guide-faces of the cap 2, so that the oil can no more leave through the inlet openings. Instead, the pressure produced will open the delivery valve 3o, 37, and the oil is ejected through the ejection spout 33 on the lubrication place.
  • the lifting lever 17 returning into its neutral position as shown, the shell 35 moves again in the direction to the bottom of the can. ln conseqwnce thereof va vacuum is produced in the delivery chamber 35, causing the delivery valve 3d, S being kept closed.
  • a feed oil ejector can of the class described, a cover cap at the upper end of the container, an ejection spout secured to said cap, a delivery chamber, a delivery valve between said delivery chamber and said ejection spout adapted to be opened towards the ejection spout by a pressure in the delivery chamber, a shell shiftable in said delivery chamber being closed at its end projecting into the container, inlet openings in said shell near its end, a spring influenced lifting lever pivoted on said cover cap, and connecting means between said shell and said lifting lever, whereby upon holding the can down; wardly inclined oil being enabled to freely enter said deL livery chamber and upon depressing said lifting lever said shell being moved into said delivery chamber there; by closing said inlet openings and pressing the oil through said valve and ejection spout whereas upon returning the lifting lever a vacuum will be produced in the delivery chamber fovouring the refilling of the delivery chamber with oil.
  • a feed oil ejector can with a cover pump according to claim l, a bottom pump having an inlet opening arranged near the bottom of the container, and connections between said lifting lever and said bottom pump, whereby the oil of the container being fed into and out of the ejection spout when the can is being held upwardly;
  • said connecting means between said lifting lever and said shell comprising, a draw bar passing through said cap, a protecting tube fixed with tightening effect in the cover cap and surrounding said draw bar whereby the oil being prevented from scoping through the cap along said draw bar.
  • said connecting means between -said lifting lever and said shell comprising a draw bar passing through said cap, a bottom pump having an inlet opening arranged near the bottom of the container, a -slidable suction tube, a circumferential groove, at the free end of said shell, a cross-arm rigidly tixed to the upper end of the suction tube and engaging said circumferential groove of the shell, and a second cross-arm fixed to the lower ends of said suction tube and said draw bar.
  • a feed oil ejector can with a cover pump according to claim 1 and a slidable suction tube icoaxially arranged in the container and consisting of two parts, the lower ⁇ of which being directed toward the bottom corner of the container and being pivotally arranged round the upper part in order to adjust itself by the etfect of its own weight to the lowest spot of the interior of the container, when the latter is held in an upwardly inclined position.
  • a feed oil ejector can with a cover pump according to claim 1, and a slidable suction tube c'oaxially arranged in the container and consisting of two parts, the lower of which being directed towards the bottom corner of the container, a lifting lever pivoted on said cover cap, a draw bar passing through said cover cap,
  • a feed oil ejector can with a cover pump according to claim l, and a delivery valve, the delivery valve of the cover pump being arranged in the direction of the ejection spout, whereas the delivery valve for the bottom pump being arranged laterally thereto, an antechamber provided above the delivery valve for the bottom pump, and a transversal connection between said antechamber and the outer side of the delivery valve for the cover pump, said delivery valves, delivery chamber, antechamber and connection being arranged in one and the same body carrying the ejection spout and forming a single casting together with the cover cap.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)

Description

Oct. 9` 1956 R. LANGGUTH PUMP FEED OIL EJECTOR CAN Filed May 20, 1955 United States Patent 2,765,963 PUMP FEED UIL EJECTOR CAN Reinhold Langguth, Kapellen, Kreis Moers, Germany Application May 20, 19553, Serial No. 356,247 Claims priority, application Germany October 10, 1952 9 Claims. (Cl. 222-25"5) The invention relates to oil ejector cans, in which, by means of a pump, oil is pressed out of the container through an ejection spout carried by a screw-cap or the like. For a withdrawal as complete as possible of the oil contents from the container, the inlet opening of the suction pipe of the pump is generally extended downwardly to near the bottom or, in an angularly projecting form, down to the inside corner formed by the bottom and the shell of the can.
It has already been suggested to provide for a pivotal arrangement of the angularly projecting end of the suction pipe round the middle aXis of the container in such a way as to secure its automatical adjustment to the lowest spot each time the can is held in an upwardly inclined position.
In the case of all these pump arrangements, it has not been taken into consideration that the ordinary working position of most oilers, in particular of such of simpler design, is the vertical or inclined one, and that the pump is not working, when the said oil ejector cans are held in a downwardly inclined position, because the inlet opening is raised above the oil level.
In order to avoid this disadvantage, the pump, according to the invention, has a delivery chamber separated from the ejection spout by means of a delivery valve, the delivery chamber being provided, immediately below the screw-cap of the can, with inlet openings that can be closed. When the can is tilted downwards, the oil enters the delivery chamber through these openings and will be delivered through the ejection spout at each stroke of the pump, the openings closing at the same time.
The inlet openings of such cover pumps may also be designed as suction valves known from the bottom pumps. Preferably, however, an arrangement is used in which, according to the invention, the delivery chamber communicating with the ejection spout by means of a delivery valve, is tightly closed at its other end by a tube sliding therein and moved by the lifting lever, the tube being closed at its free end and being provided with inlet openings, which are lying open towards the interior of the container, when the pump is at its neutral posi tion, and which are closed at the beginning of the lifting movement, when the tube enters the surrounding guideway. The latter arrangement has the advantage of greater simplicity and reliability above the use of a suc` tion valve, as the entering of the oil into the inlet openings is considerably more favoured by the vacuum developing in the delivery chamber during the delivery stroke than by the use of suction valves.
By means of an oil ejector can provided with such a cover pump, most of the lubrication openings at machines and the like, inclusive of such ones having a very low position, can be provided with oil, when the oiler is held in a vertically downward or downwardly inclined posi- Excepted are only lubrication openings, for the serving of which the oiler cannot be held in a downwardly inclined position on account of an unfavourable ar- 2,765,963 Patented Oct. 9, 1956 rangement of other machine parts or too high a position of the lubrication openings.
Another feature of the invention is, vide the pump oiler, in addition to the cover pump also with the bottom pump. Thi-s measure is completed by the additional bottom pump being provided with a suction tube pivotally arranged round the middle axis of the container, the suction tube adjusting itself automatically to the respective lowest spot of the container, when the can is held either in an upright or inclined position as the case may be. On account of this feature it does not matter, in which position the can is held with regard to its inclination, since, in the case of this preferred form, the oil ejection can is working from out any position.
Further features of the invention will be apparent from the following description of one preferred form of the invention, this form being an oil ejector` can provided with a cover pump and with an additional. bottom pump.
The drawing shows a vertical sectional View centrally through the oil ejector can.
The bottle-like oil container 1 of the 'oil ejector can is closed, at its upper end, by a screw-threaded cap 2, a packing ring 3 being inserted between the can body and the cap. A downwardly extending tube 5 is screwed, in a well-known manner, into a threaded bore-hole 4 the tube being provided, at
therefore, to prolocated centrally in the ca its upper end, with a flange 6, the central 'opening of which is closed by a ball 8 held in position by a spring 7. A vertically movable suction tube 9 is slidably mounted on the rigidly fixed tube 5, the lower end of the Suction tube 9 being rigidly connected with a branch rod 11 embracing a draw-bar 12, to which it can be tightly screwed by means of a cap nut 13 or the like. Drawbar 12 extends upwards through a bore-hole 14 in the cap and engages with its hook-shaped upper end 15 over the brldge 16 formed by a lifting lever 17, whlch can the hand embracing the can.
Underneath the branch rod 11, an angularly projecting pivoting the downwardly extending prolongation member 21 of the tube 9 and `secured against sliding downwards by a spring ring 23 inserted in the grooves 22.
A cap 24 with 'opening 25 is screwed into the end of the pipe 19 projecting angularly to the inside corner of the container. Generally, the opening 25 is closed by a ball 26 controlled by a spring 27. At an upwardly inclined position of the can, this pivotally mounted suction pipe 19 with its suction valve 25 and 26 will always adjust itself, in consequence of its own weight, to the lowest spot of the can interior.
Above the delivery valve 6, 8, there is an antechamber 28 for the arrangement of spring 7, which is to keep the ball 8 in position. The antechamber passes over through a vertical borehole 29 and a transversal borehole 31 into another chamber 32, which is connected 28 to 32 are arranged within a piece of light metal 34 which is mounted on cap 2 and preferably forms one single light metal casting with the latter.
Parallel with antechamber 28, a borehole 35 is provided for, serving as a delivery chamber for the cover pump. At its upper end, the delivery chamber 35 is closed by a ball 36 controlled and kept in a closing position by the spring 37 mounted in chamber 32.
Opposite this delivery valve 36, 37,
neath the lower cap face 39 and with several inlet openings 41 for the oil at that level. At the neutral position i of the shell as shown in the drawing, the openings 41 connect the lelivery chamber 35 with the interior of the container. The shell is extending downwards as a solid body having, at its lower end, a. circular groove 42 engaging the fork-end 43 of a cross arm dfi vfixed to the upper end of the suction pipe 3*.
A protection tube d is screwed into the screw-threaded cap 2 from below' and coaxially with thedrawbar 1,2, a packing ring being inserted between the tube 45 and the cap 2. fhe protection tube surrounds the drawbar very tightly, as it is its task to prevent the oil from flowing off through the borehole lill, when the can held in a downwardly inclined position. Underneath the protection tube if? and in a well-l nown manner, a spacing tube with adjusting nuts may be iixed on draw-bar l2 for adjusting the stroke of all the movable parts of the pump. The transversal bore-hole 3l is closed by a threaded bolt fio, which allows the access also to the bore-holes Z9, 3l and to chamber 32, in case of the passages being blocked, etc.
Inside of the pressure tube 5 and the suction tube 9, a long helical spring d? is provided for, which tends to move down to the lowest position of the suction tube with all the parts fined thereto.
The oil ejector can as described is operated as follows: On the lifting lever El? being pressed vdown in the direction of the arrow i8, the drawbar l2 is lifted up and, by means of the cross arm ll, carries up with it the suction tube 9 and the pivotally mounted suction pipe end i9. By means of the cross arm dfi, the shell 3?; is carried upwards at the same time. As soon as the lifting lever is released, the parts will automatically be removed by spring 47 into the neutral position as shown.
ln case the oil ejector can is held in a vertical or upwardly inclined position, the suction Valve 25, 2o is surrounded by oil, which is sucked through the suction valve 25', 2d into the interior of the suction tube, when the latter 9, i9 is returning into the lowest neutral position. After a few strokes of the pump, the suction tube is filled with oil. At a subsequent uplift, the oil will be pressed through the delivery valve 6, S and the connecting charnbers and holes 2d, Z9, 3l, and 32 into the ejection spout 33. in consequence of the angular projection of the suction pipe, the oil contents of the container will be withdrawn completely (apart from very small remainders), and the pivotal mounting of the suction pipe i9 has the effect that, with the oil ejector can being held in an inclined position, the position of the plane passing through the central axis of the can, the lifting lever, and the ejection spout as compared to the respective inclination of the can does not matter at all, as the suction valve 2S, 26 will always adjust itself to the lowest spot in the container.
At the handling of the ejector can as described above, the cover pump represented by the delivery valve 3d, 37, delivery chamber 35, and by the shell 3S will have no effect whatever on the oil-quantity ejected. lt is true that the shell 35 is carried along upwards, but no oil has entered through the inlet openings dit, as the oil level is farther beneath these openings, so that only the air is compressed in the delivery chamber, when the shell 38 is lifted upwards. if, in consequence thereof, the delivery valve Sti is opened against the action of the spring 37, the only effect is that some air enters the chamber 32. but this air will not hamper the oil passage of the bottom pump. On the contrary, it will support it, as the pressure effect of this air has a suction eifect on the transversal borehole 31.
lf the oil ejector can is hel in a vertically downwardly inclined position for lubrication purposes, the cover pump will come into action instead of the bottom pump. When the shell 38 is in a neutral position, i. when the lifting lever ll is not pressed down, the inlet openings (il are lying open directly underneath the lower face of the cap I 39, so that the oil can freely enter and more or less ill the delivery chamber 3S.
If now the lifting lever i.' is moved in the direction of the arrow lb, the shell 3S is slid int'o the delivery chamber 35. At the beginning of this movement, the inlet openings are laterally covered by the guide-faces of the cap 2, so that the oil can no more leave through the inlet openings. Instead, the pressure produced will open the delivery valve 3o, 37, and the oil is ejected through the ejection spout 33 on the lubrication place. With the lifting lever 17 returning into its neutral position as shown, the shell 35 moves again in the direction to the bottom of the can. ln conseqwnce thereof va vacuum is produced in the delivery chamber 35, causing the delivery valve 3d, S being kept closed. The vacuum increases in the delivery chamber until the moment, when the inlet openings leave the lower cap-face, where they will be surrounded by oil. in consequence of the prevailing vacuum, the iiow of the oil into the openings il is very strong, so that the delivery chamber is quickly and com pletely fille with oil. There is, of course, the possibility to replace the simple openings which are covered at the beginning of the lifting movement, by a suction valve in conformity with the suction valve i535, 26. But it is quite obvious that such a safe and quick filling of the delivery chamber as obtained by means of the openings il cannot be reached by a suction valve, because, at the use of a suction valve, the vacuum is gradually compensated already before the final state is reached.
What I claim, is:
l. A feed oil ejector can of the class described, a cover cap at the upper end of the container, an ejection spout secured to said cap, a delivery chamber, a delivery valve between said delivery chamber and said ejection spout adapted to be opened towards the ejection spout by a pressure in the delivery chamber, a shell shiftable in said delivery chamber being closed at its end projecting into the container, inlet openings in said shell near its end, a spring influenced lifting lever pivoted on said cover cap, and connecting means between said shell and said lifting lever, whereby upon holding the can down; wardly inclined oil being enabled to freely enter said deL livery chamber and upon depressing said lifting lever said shell being moved into said delivery chamber there; by closing said inlet openings and pressing the oil through said valve and ejection spout whereas upon returning the lifting lever a vacuum will be produced in the delivery chamber fovouring the refilling of the delivery chamber with oil.
2. In a feed oil ejector can with a cover pump according to claim l, a bottom pump having an inlet opening arranged near the bottom of the container, and connections between said lifting lever and said bottom pump, whereby the oil of the container being fed into and out of the ejection spout when the can is being held upwardly;
3. In a feed oil ejector can with a cover pump according to claim l, and a bottom pump having an inlet opening arranged near the bottom of the container, and a de= livery valve, the delivery valve of the cover pump being arranged in the direction of the ejection spout, whereas the delivery valve for the bottom pump being arranged laterally thereto, an antechamber provided above the de-A livery valve for the bottom pump, and a transversal con# nection between said antechamber and the outer side of the delivery valve for the cover pump, said antecharnber and said transversal connection, connecting the ejection spout with the delivery valve of the bottom pump.
4. In a feed oil ejector can with a cover pump according to claim l, said connecting means between said lifting lever and said shell comprising, a draw bar passing through said cap, a protecting tube fixed with tightening effect in the cover cap and surrounding said draw bar whereby the oil being prevented from scoping through the cap along said draw bar.
5.V ln a feed 4oil ejector with a cover pump according to claim l, a bottom pump having an inlet opening ar"- ranged near the bottom of the container, and a sliding suction tube, said shell being connected for up and down movement with said "lifting lever via `said sliding suction tube.
6. In a feed oil ejector with a cover pump according to claim 1, said connecting means between -said lifting lever and said shell comprising a draw bar passing through said cap, a bottom pump having an inlet opening arranged near the bottom of the container, a -slidable suction tube, a circumferential groove, at the free end of said shell, a cross-arm rigidly tixed to the upper end of the suction tube and engaging said circumferential groove of the shell, and a second cross-arm fixed to the lower ends of said suction tube and said draw bar.
7. In a feed oil ejector can with a cover pump according to claim 1, and a slidable suction tube icoaxially arranged in the container and consisting of two parts, the lower `of which being directed toward the bottom corner of the container and being pivotally arranged round the upper part in order to adjust itself by the etfect of its own weight to the lowest spot of the interior of the container, when the latter is held in an upwardly inclined position.
8. In a feed oil ejector can with a cover pump according to claim 1, and a slidable suction tube c'oaxially arranged in the container and consisting of two parts, the lower of which being directed towards the bottom corner of the container, a lifting lever pivoted on said cover cap, a draw bar passing through said cover cap,
a prolongation fixed at the upper part of the suction tube and turnably bea-ring the under part, said prolongation being secured to said draw bar, and a `spring ring connecting said prolongation with said lower part of the suction tube.
9. In a feed oil ejector can with a cover pump according to claim l, and a delivery valve, the delivery valve of the cover pump being arranged in the direction of the ejection spout, whereas the delivery valve for the bottom pump being arranged laterally thereto, an antechamber provided above the delivery valve for the bottom pump, and a transversal connection between said antechamber and the outer side of the delivery valve for the cover pump, said delivery valves, delivery chamber, antechamber and connection being arranged in one and the same body carrying the ejection spout and forming a single casting together with the cover cap.
References Cited in the le of this patent UNITED STATES PATENTS 1,635,215 Johnson et al. July 12, 1927 1,849,161 Westwood Mar. 15, 1932 2,169,209 Anderson Aug. 15, 1939 2,198,383 Graham Apr. 23, 1940 2,340,479 Lidseen Feb. 1, 1944 2,461,332 Leonard Feb. 8,1949 2,602,572 Goodson July 8, 1952
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Cited By (10)

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US2904229A (en) * 1957-12-11 1959-09-15 Gulf Research Development Co Aerosol dispensers and like pressurized packages
US2982443A (en) * 1957-06-28 1961-05-02 Roy T Ellis Liquid and semi-solid dispensing gun and method of dispensing
US2990778A (en) * 1957-10-28 1961-07-04 Red Jacket Mfg Co Pressure water system
US3368719A (en) * 1965-03-16 1968-02-13 Dynamics Corp America Foam producing and dispensing device
FR2390213A1 (en) * 1977-05-12 1978-12-08 Yoshino Kogyosho Co Ltd SPRAYER USED IN THE STRAIGHTENED POSITION AND IN THE REVERSE POSITION
US4823991A (en) * 1985-04-16 1989-04-25 Ing. Erich Pfeiffer Gmbh & Co. Kg Manually operated dual invertible pump
US5119974A (en) * 1989-10-13 1992-06-09 Mann Frederick J Spray bottle with a full circle, complementary operative feed system connected to a pump sprayer
US5579959A (en) * 1995-05-16 1996-12-03 Star Manufacturing International, Inc. Viscous food products housing, pump, dispenser, and valve apparatus
US5655714A (en) * 1994-12-08 1997-08-12 Wagner Spray Tech Corporation Pivotable syphon tube
US6016935A (en) * 1998-08-01 2000-01-25 Star Manufacturing International, Inc. Viscous food dispensing and heating/cooling assembly and method

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US1635245A (en) * 1924-10-07 1927-07-12 Brandli Oscar Washing machine
US1849161A (en) * 1928-05-18 1932-03-15 Aubrey E Westwood Oil can
US2198383A (en) * 1938-07-28 1940-04-23 Floyd E Graham Dispensing device
US2340479A (en) * 1943-04-29 1944-02-01 Lidseen Gustave Pump feed oilcan
US2369209A (en) * 1939-12-12 1945-02-13 Bullard Co Turrethead locking means
US2461332A (en) * 1944-12-01 1949-02-08 John T Leonard Lubricant compressor
US2602572A (en) * 1950-10-13 1952-07-08 Otis G Goodson Hand-operated dispenser for viscous fluids

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US1635245A (en) * 1924-10-07 1927-07-12 Brandli Oscar Washing machine
US1849161A (en) * 1928-05-18 1932-03-15 Aubrey E Westwood Oil can
US2198383A (en) * 1938-07-28 1940-04-23 Floyd E Graham Dispensing device
US2369209A (en) * 1939-12-12 1945-02-13 Bullard Co Turrethead locking means
US2340479A (en) * 1943-04-29 1944-02-01 Lidseen Gustave Pump feed oilcan
US2461332A (en) * 1944-12-01 1949-02-08 John T Leonard Lubricant compressor
US2602572A (en) * 1950-10-13 1952-07-08 Otis G Goodson Hand-operated dispenser for viscous fluids

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982443A (en) * 1957-06-28 1961-05-02 Roy T Ellis Liquid and semi-solid dispensing gun and method of dispensing
US2990778A (en) * 1957-10-28 1961-07-04 Red Jacket Mfg Co Pressure water system
US2904229A (en) * 1957-12-11 1959-09-15 Gulf Research Development Co Aerosol dispensers and like pressurized packages
US3368719A (en) * 1965-03-16 1968-02-13 Dynamics Corp America Foam producing and dispensing device
FR2390213A1 (en) * 1977-05-12 1978-12-08 Yoshino Kogyosho Co Ltd SPRAYER USED IN THE STRAIGHTENED POSITION AND IN THE REVERSE POSITION
US4823991A (en) * 1985-04-16 1989-04-25 Ing. Erich Pfeiffer Gmbh & Co. Kg Manually operated dual invertible pump
US5115980A (en) * 1985-04-16 1992-05-26 Ing. Erich Pfeiffer Gmbh & Co. Kg Manually operated dual invertible pump
US5119974A (en) * 1989-10-13 1992-06-09 Mann Frederick J Spray bottle with a full circle, complementary operative feed system connected to a pump sprayer
US5655714A (en) * 1994-12-08 1997-08-12 Wagner Spray Tech Corporation Pivotable syphon tube
US5579959A (en) * 1995-05-16 1996-12-03 Star Manufacturing International, Inc. Viscous food products housing, pump, dispenser, and valve apparatus
US6016935A (en) * 1998-08-01 2000-01-25 Star Manufacturing International, Inc. Viscous food dispensing and heating/cooling assembly and method

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