US1605758A - Measuring pump - Google Patents

Description

Nov. 2, 1926.

O. J. MOUSSETTE MEASURING PUMP 1925 2 Sheets-Sheet 1 Filed July 15,

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o. J. MoussrrE MEASURING PUMP Filed July 15.. 1925 2 sheets-sheet 2 0.. J Mauss et Ze Patented Nov. 2, 1926.

UNITED( STA-Tris oLivER J. Moussnfrmn, F RICHMOND HILL, NEW YQRK.

MEASURING PUMP.

application inea Jury 13, i925. serial No, 43,357.

This invention relates to apparatus where.- by a measured quantity of "aliquid comn modity may be supplied retail purchasers and the object of the invention is to provide a simple and inexpensive mechanism which will be eilicient in operation, not apt to get out-'of order and easily applied to or removed from a given container. The invention provides a device which is compact and will', therefor, occupy little space in or upon the container and which includes means whereby solid constituents of the commodity may be distributed equally throughout the volume thereof. The inven`- tion is illustrated in the accompanying drawings vand consists in certain novel `features which will be hereinafter first fully described and then more particularly pointed out in the appended claims.

In the drawingsj Figure 1 is a sectional elevation of a measuring pump embodying my improvements;

Fig. 2 is a top plan view of the pump ;V

Fig. 3 is a front elevation with a part of the operating lever or handle broken away and in section;

Fig. l is a detail horizontal section on the line fl-l of Fig. 1, and

F ig. 5 is a bottom plan view of the lower end of the pump pipe.

rllhe pump of my present invention may be applied to a barrel or other container flor liquids which is indicated at- 1 and may be of any well-known or approved construction. The pump is supported by the top of the container and includes a h ead orvcap 2 comprising essentially a rim adapted to lit closely within an Aopening `provided therefor in thetop ot the container and a top plate 3 forming a closure and having its edge 4l slightly overlapping* the rim whereby to rest upon the top of the container, as clearly shown in Fig. 1. The top of this head is provided centrally with a hub or depressed portion 5 having an internally threaded bore to receive the upper end of a pipe or pump tube 6 which depends within the container 1 and has an annular enlargement or rib 7 at its lower end which is externally threaded. A second pump tube 8 has its upper end fitted within the lower end of the pipe or tube 6 to form rictional slip joint therewith so that the two pipes may be telescopically adjusted to conform to the height of the container iii which they are placed. is threaded onto the annular enlargement T so as to bind the pipes 6 and 8 together in a sety relation. The lowerend off the pipe 8 is equipped with an inlet or suction head 11 which may be threaded directly onto the lower end of the pipe 8 but is preferably connected thereto by anintermediate coupling 12 threaded onto the pipe and into the inlet head, as clearly shown in Fig. 1. The lower end or edge of the inlet head 11 vis provided with spaced lugs 13 whereby it may rest upon the bottom of the container 1 and will provide spaces at the said bottom throughwhich the liquid may flow into! the head. At an intermediate point in the height of the head. is a cross bar or spider 14 which Jforms a guide for the stem 15 of a check valve 16, the valve seating` upon an annular valve seat 17 provided therefor within the head above the spider or cross bar. A stop washer 18 is carried by the lower end of the valve stem 15 and serves to limit the opening movement of the valve by its contact with the spider or cross bar 14, as will be readily understood,

It will be seen that normally lthe weight of the valve will hold it seated so that in- Jflow of the liquid into the head 11 will be prevented but it suction be created above the valve the pressure of the liquid will raise the valve so that the liquid may the-n flow upwardly through the head past the valve tov be discharged.

Disposed above the closure 2 is a measuring vessel or bowl 19 which is provided at one side with a discharge spout 2O through which the `measured quantity ot the liquid commodity will. flow for delivery into a receptacle held or disposed adjacent the end or' the spout. `The extremity of the spout 20 is normally closed by a gate 21 pivot-' ally mounted on the upper side of the spout in'position to extend across the end of the same and normally held lin its lowered closed position by a weighted arm 22 pro# jecting outwardly from its Aupper edge. The bowl 19 is constructed with a channel 23 extending downwardly and then outwardly 'from its bottom and rising at its outer end into the spout 20, providing a seat 24 for a check valve 25 in the forni of a disk adapted to rest normally upon` the seat 24C and having a stem 26 rising within a guide vbox 27 secured in the upper side of the spout immediately adjacent the bowl A gland 9 containing a gasket 1()v lli) and housing a pressure spring 28 to augment the weight of the valve'in holding it normally seated. The bottom of the bowl 19 is further constructed Vwith a depending hub or tubular member 29 which is threaded into the depression of the closure2 whereby to secure the bowl firmly in place upon the closure and yet permit its removal when necessary. Within this hub -member 29 is a guide bar or spider 30 and in the bottom of the bowl immediately over said spider or guide bar is a central valve seat 3l. A

disk valve 32 seats normally upon the seat 3l and has a depending stem 33 which passes through and is guided by the bar or spider 30, a stop washer 34 being secured to the lower end of the stem to limit the opening movement of the Valve by contact with the spider'or bar in an obvious manner.

The upper end portion of the bowl 19 is expanded annularly and presents a curved portion 35 which forms a seat for a fleX- ible diaphragm 36 of rubber, leather, thin pliable metal or other material which may be found most desirable in any particular instance. This diaphragm has its upper end portion extended laterally outward to rest upon the flange 37 at the upper edge of the bowl and be secured upon said flange by the edge of a cover 38 which is bolted to the flange 37, as will be understood. The cover 38 is provided centrally with a guide sleeve 39 rising therefrom, and slidably litt-ed within this guide sleeve is a plunger rod 40, the upper end of which is formed into a fork 4l receiving and pivotally secured to the lever handle 42. The front end of the lever or handle 42 is free, as shown in Fig. l, while its rear end is pivoted to a link or rocking standard 43 pivoted to and rising from a post 44 on the cover 38, as clearly shown. rlhe lower end of the plunger rod is reduced in chaine` ter to providel a shoulder 45, the reduced portion ent-ending Centrally through the diaphragm 36 and being threaded to receive a nut 46 bearing against a washer 47 having a concave upper side to lit against the under side of the diaphragm 36 and clamp the same against a clamping plate 48 fitted against the upper side of the diaphragm and abutting the shoulder 45. Obviously, when the nut 46 is turned home, the diaphragm will be securely clamped against the plate 48 and the said plate will be clamped against the shoulder of the plunger so that the diaphragm will be caused to flex and rise and fall as the plunger rod is reciprocated. It will be noted that the plate 48 has an appreciable area and that its under side is convex so that the diaphragm willV be supported over an appreciable portion of its extent and, consequently will not bend sharply when flexed and will be, therefore, protected against undue wear which would induce cracking and breakage.

Upon the upper side of the cover 38 is provided a post or standard 49 having an offset 50 at its upper end disposed in the Vertical plane of the operating lever 42 and in the said offset is mounted a stop screw 51 which is adjustable toward and from the lever so as to project more or less into the path of the same and thereby regulate the stroke thereof. Usually the bowl will be provided with such capacity as will measure the quantity in which the liquid is generally dispensed. It may, however, be at times desired to sell a less quantity, and when this occasion arises the stop screw 5l will be turned so as to ride downwardly through the offset 50 and consequently shorten the stroke of the operating lever. It may be found also that through wear incident to long-continued use, or to differences in the consistency or other qualities of various liquids some adjustment of the lever stroke may be needed after the apparatus has been set up for use and this adjustment may be easily accomplished by manipulation of the stop screw.

A counter 52 is provided on the cover 38 to register the number of sales made, and this counter may be of any wellsknown form, the details thereof forming no part of my present invention. The counter is operated by a rocking arm 53 secured to and extending from the counter shaft of the tally mechanism and connected with the operating lever by a link 54 having one end pivoted to the said rocking arm and its opposite end pivoted upon a stud 55 extending laterally from the lever` as shown.

Liquid commodities, as is well knowm vary in characteristics, some being comparatively free of solid constituents while others contain a large proportion of solid elements. Moreover, the solid matters vary in their qualities and in weight so that some times the solid matters in the commodity settle quickly to the bottom of the container. lt is obviously desirable to counteract this settling of the solid elements of the commodity and distribute such elements evenly through the liquid volume so that the portion of the commodity withdrawn b v the action of the pump will be uniform in quality and composition. To this end, I provide an agitator consisting of a central hub or sleeve member 56 slidably mounted upon the pump tube 6 and adapted to rest by gravity upon the upper edge of the annular enlargement 7. Radiating from the sleeve or hub 56 are agitator arms 57 and attached to two opposite arms are operating rods 58 which extend upwardly therefrom through the cover 38 at opposite sides of the bowl and are equipped at their upper ends` with loops 59 Aconstituting handles. Before operating the pump to withdraw a portion ofthe liquid contents of the container, the loops or handle members 59 are grasped and the agitator then rapidly reciprocated vertically kfor a ,few strokes s that the arms 57 will be caused to .work ythrough the liquid and effect such lan agitation .and circulation of the solid elements as will effectually distribute them through the body of the liquid so that, when the pump is subsequently operated, the portion of the liquid withdrawn will be up to standard in its composition.

Assuming the apparatus to be atrest and the container suppliedwith the liquid commodity, the several parts will assume the positions shown in Fig. 1. Some of the liquid will rise within the pump tubes 6 and 8 to the level of the liquid in the container but the check valves 16 and 32 will be seated immediately upon the liquid reaching the same level in the container and in the pump tubes. If the lever 42 be now raised, the diaphragm will be flexed upwardly and suction will be created above the valve 32 to unseat the same, whereupon liquid will flow past said valve to fill the bowl below the diaphragm and up to the diaphragm` the liquid being held in the bowl by the check valve 25. Vhen the lever has been raised to the limit permitted by the stop screw 51, the bowl will be filled and the lever is then swung downwardly so as to exert pressure through the plunger rod and the diaphragm upon the liquid, seating the valve 32 and unseating the valve 25 so that the liquid will then flow through the discharge nozzle 20. The gate 21 will be manually raised, o f course, so that the outflowing liquid may pass' at once into the receptacle provided for that purpose.

All of the liquid below the diaphragm will, of course, pass out through the discharge nozzle 20. except that minute portion which may be trapped in the channel 23 and this portion will constitute a seal below the check valve 25 to prevent possible leakage of air through the nozzle past said valve into the bowl to detract from the accuracy of the apparatus in measuring the quantity withdrawn.

It will be noted that I have provided a measuring pump of very simple and compact construction which may be produced at al low cost and may be readily applied to any container. 'In applying the pump to a container, it is necessary merely to provide an opening in the top of the container of the proper diameter to snugly receive the closure head 2 and adjust the pump tubes 6 and 8 so that the combined effective length thereof will be approximately the same as the height of the container whereby the inlet head 11 will rest upon the bottom of the container. The device is exceedingly simple in operation sothat it may be manipulated by unskilled or careless persons without detracting from-its accuracy as' its operation merely requires that the handle lever 42 be raiseduntil the movement is checked by the stop 51 and then pressed downward until it cornes to rest which will be effected by the fork 41 at the upper end of the plunger rod coming in contact with the upper extremity of the central guide 39. The guide box or plug 27 is threaded into the upper side of the discharge spout and the opening which receives it is of such diameter that the valve may be withdrawn therethrough when assembling the parts or when repairing or renewal of the same is necessary. To obtain access to the interior of the bowl for cleaning or repairing the parts, it is only necessary to remove the bolts securing the cover upon the bowl, and, likewise, the hub member 29 is threaded into the closure head 2 so that the entire bowl as an entirety may be removed therefrom. The diameter of this hub 29 is such that access may be had through the bottom thereof to the stop washer 34 to permit the assembly or disassembling of the valve 32 and the employment of the intermediate coupling collar 12 facilitates the assembling or disassembling of the valve 16 with the head 11.

Having thus described the invention, I claim:

l. A measuring pump comprising a bowl having a depending integral hub member on the under side of its bottom, a laterally extending discharge nozzle at the side of the hub member and opening through the bottom of the bowl, said nozzle being integral with the bowl and the hub member, a closure to be fitted in a container for liquid and having a depressed portion into which the said hub member is removably fitted, means carried by said closure to establish communication between the lower portion of the container and the bowl through the hub member, a check valve mounted in the upper end of said hub member and controlling the fiow into the bowl, an opposed check valve in the nozzle controlling the flow therethrough, and means within the bowl for drawing liquid thereinto and discharging liquid therefrom.

2. A measuring pump comprising a closure head to be secured in a container for liquid, a bowl secured on said head and communicating through the head with the container,`means for drawing liquid into the bowl and discharging it therefrom, a tube secured in and depending from said closure head, a second tube fitting telescopically within the first tube, an open-ended inlet head detachably secured upon the lower end of the second tube and constructed at its lower end to rest upon the bottom of the container and permit floW of liquid into the head, a valve seat Within said head, a guide in the head below the valve seat, a Valve adapted to rest on the seat and having a stem depending therefrom through the valve seat and the guide, and a stop Washer secured on the stem below the guide.

3. A measuring pump Comprising a bowl having a hubI member depending from its bottom and constituting an inlet, a valve controlling flow through the hub member, a discharge spout extending laterally from the howl, a sealing Channel "below the bowl opening at one end through the bottom of the bowl and at its other end through the bottom of the discharge spout whereby to establish communication between the bowl and the discharge Y spout, the spout having an opening in its top immediately over the end of the channel, a Valve insertable through the opening in the top of the spout to seat in the end of the Channel, a stem'rising from said valve, a plug closing the opening in the top of the spout and forming a guide for the valve stem, and means Within the howl for drawing liquid thereinto and discharging it therefrom.

In testimony whereof I aflix my signature.

OLIVER J. MOUSSETTE. [L Sg

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