US1736806A - Coin-controlled gasoline pump - Google Patents

Description

Nov. 26, 1.929. F. P. sTALLcuP COIN CONTROLLED GASOLINE PUMP Original Filed May 29. 1925 7 Sheets-Sheet NOV. 26, 1929. F, UP 1,736,806

COIN CONTROLLED GASOLINE PUMP Original Filed May 29, 1925 7 Sheets-Sheet 3 gwvwntoz Nov. 26, 1929. F. P. STALLCUP COIN CONTROLLED GASOLINE PUMP Original Filed May 29. 1925 7 Sheets-Sheet [T p 5a (2011/) lammw l Nov. 26, 1929. F, P, STALL'CUP 1,736,806

COIN CONTROLLED GASOLINE PUMP Original Filed May 29, 1925 7 Sheets-Sheet 5 Nov. 26, 1929. F. P. STALLCUP COIN CONTROLLED GASOLINE PUMP Original Filed May 29, 1925 7 Sheets-Sheet 1 NOV. 26, 192.9. p STALLCUP 1,736,806

COIN CONTROLLED GASOLINE PUMP Original Filed May 29, 1925 7 Sheets-Sheet 7 gwwnto'o z rfistailcap Patented Nov. 26, 1929 1,736,806

UNITED STATES PATENT GFFICE FURMAN P. STALLCUP, F JONESBORO, ARKANSAS COIN-CONTROLLED GASOLINE PUMP Application filed May 29, 1925, Serial No. 33,771. Renewed April 19, 1929.

This invention relates to dispensing appa- Fig. 8 is a detail of the coin sup ort which ratus and its primary object is to provide a operates also-as an electric switch; mechanism whereby a desired quantity of Fig. 9 is a detail perspective view of one of gasoline or other liquid will be automatically the contact plates through which a circuit is supplied upon the deposit of a proper coin closed by the insertion of a proper coin; 55

by the purchaser. The invention also has for Fig. 10 is a detail section on the line 10-10 its object the provision of a novel pump-conof Fig. 3;

trolling apparatus which will be automati- Fig. 11 is a vertical section on the line cally caused to operate by the insertion of a 1111 of Fig. 3; o proper coin and will stop its operation auto- Fig. 12 is a front elevation of the indicator 6Q matically after having pumped to the delivplate, with certain parts in section, on the cry point a quantity of the liquid correspondline 1212 of Fig. 4;

ing in value to the deposited coin. Another Fig. 13 is a diagram of the electric circuit object of the invention is to provide mechawhich controls the motor and the outlet valve;

nism whereby, when a coin has been deposit- Fig. 14 is a detail section on the line 1414 5 ed, the quantity of liquid called for by said of Fig. 3; coin will be delivered and the insertion of an- Fig. 15 is a detail section on the line 15-15 other coin prior to the complete withdrawal of Fig. 4, and of the liquid so delivered will be ineffective Fig. 16 is an enlarged elevation of a detail.

20 to operate the machine and will result only in A dispensing pump embodying my inven- 70 the loss of the subsequently deposited coin. tion resembles, in a general way, the dispens- Another object of the invention is to provide ing pumps now in general use in that it inmeans whereby the mechanism may be easily eludes a column 1, a measuring container 2 adjusted according to fluctuations in the price supported on the upper end of the column,

of the commodity and it will operate accua pump 4 which may be of any preferred 75 rately at all times to deliver the exact quanform and is indicated conventionally in Fig. tity of liquid for which the customer pays by 2, and a tank or reservoir 5 which is buried depositing a specified coin. Other incidental below the pump. The pump is connected objects of the invention will appear in the through a suction pipe 6 with the tank or course of the following description, and the reservoir 5 and a delivery pipe 7 extends 30 invention resides in certain novel features from the pump into the container so that which will be particularly pointed out in the the liquid will be drawn from the reservoir appended claims. into the container from which it is subse- In the accompanying drawings, which quently withdrawn. The container includes illustrate one embodiment of the invention, a base plate 8, preferably of metal, and an 85 Figure 1 is a front elevation of a gasoline upper circular plate or rim 9 between which dispensing pump having my improvements a glass cylinder 10 is fitted and secured.

therein; Spaced from and extending about the glass Fig. 2 is a side elevation, with parts in sec-- cylinder 10 is a cylindrical screen 11 which tion, on the line 2--2 of Fig. 1; protects the glass against breakage without 00 Fig. 3 is a plan view, with parts in section, interfering with the viewing of the contents on the line 3-3 of Fig. 2; of the container. Resting upon an exten- Fig. 4 is a vertical section on the line 4-4 sion of the rim 9 is a top 12 which is prefof Fie 3; erably hinged to the rim 9, as indicated at Fig. 5 is a vertical section on the line 55 13, and normally secured against tampering of Fig. 4; by a lock 14 in the usual manner. This top Fig. 6 is a similar view on the line 6-6 12 is referably of the dome-like form illusof Fig. 4; tratetFin order that it may accommodate the Fig. 7 is a detail section on the line 7-7 qperating elements at the top of the column. of Fig. 6; he container may,of course,have any desired capacity but is ordinarily limited to a maximum capacity of ten gallons, and an overflow pipe leads from the container at the ten gallon line so that in the event that more than ten gallons of liquid should flow into the container, the excess will pass out through the overflow pipe 15 and return to the tank 5. The overflow pipe, as shown in Fig. 2, is preferably arranged outside the column 1 and within the length of said ipe is a glasstube 16 through which may e viewed an indicator 1.7 so that a user of the pump may have visual notice when the reservoir or tank is empty or nearly empt The indicator may have any preferred orm and may easily be a flat head or enlarged plate at the upper end of a rod 18 extending through the overflow pipe down into the tank and equipped with a float 19 at its lower end. Obviously, when the tank or reservoir is full, the float will be in a high position at or near the top of the reservoir and the indicator 17 will be housed within the overflow pipe above the transparent tube 16.

. As the gasoline or other liquid is drawn from the storage tank, the float 19 will descend and eventually, when the tank is about empty, the indicator 17 will be brought into view within. the tube 16.

The liquid pumped into the container is held therein by a disk valve 20 seating against a collar or seat 21 secured in the end of anipple 22 fitted in the bottom of the container, as shown most clearly in Fig. 11. This disk valve 20 is threaded upon a rod 23 and is automatically seated as will hereinafter more fully appear, the threaded mounting facilitating adjustment so as to obtain accurate seating of the valve. It is also automatically unseated and, when it is unseated, the liquid pumped into the container may pass out through the nipple 22 into the hose or flexible pipe 24 which is equipped at its free end with a nozzle 25 to be engaged in the tank of the automobile which is to be supplied. A hand controlled cut-off valve 26 is fitted in the nipple 22, as shown in Fig. 11, and this valve is normally closed and is to be opened by the customer after he has fitted the nozzle 25 to 'the tank of his car. Until the gasoline is to be withdrawn, the nozzle 25 is supported by a hook 2 on the nipple 22 in the usual manner. The rod 23, which carries the outlet valve 20, extends upwardly through the container and is hung upon the rear end of a lever or rocking arm 28 which is mounted upon a fulcrum bar or red 29 extending across the top of the container and supported by posts 30 provided upon the rim 9. The upper end of the rod 23 is threaded, as shown in Fig. 11, and a coupling 230, pivotally suspended on the rear end of the lever 28, is engaged thereon to connect the rod with the lever. A very accurate adjustment of the valve 20 is obtainable through the threaded mounting of the valve and the coupling. To the front end of the rocking arm or lever 28 is attached the upper end of a release rod or wire 81 which extends downwardly through a guide tube 32', extending through the base 8' of the container and threaded into the upper rim 9. The lower end of the release rod or wire 31 is pivoted to the front end of an armature or trip 33 which is swung downwardly through the action of an electro-mag net 34 when a roper coin is deposited to effect a sale. ormally the valve 20 is unseated. When a coin is deposited to effect a sale, the magnet is energized and the armature 33 thereupon attracted so that it exerts a downward pull upon the release wire 31 to rock the lever 28 and liftthe valve 20 into engagement with its seat 21, thereby cutting off flow from the container. Through mechanism which will be presentiy fully described, the valve is held in its seated position until the quantity of liquid for which the customer has paid is pumped into the container, whereupon the electric circuit is broken and the magnet 34 de-energized so as to release the armature 33 and permit the valve 20 to drop from its seat.

The pump is driven by a motor 35 which is inactive until a coin has been deposited, whereupon the circuit through the motor will be closed and the motor will be caused to operate. The motor shaft is equipped with a pinion 36 meshing with a gear 37 which is connected through a piiman or link 38 with the pump 4. It will be understood that the motor in itself forms no part of my invention and may be of any preferred type, and that operative connections between the motor and the pump may also be varied without involving any departure from the principles of the invention, the illustrated arrangement being largely conventional. The motor is supported upon a shelf 39 provided at one side of the column 1, and a cover 40 is also provided to extend over the motor, while a casing 41 is provided upon the side of the column to house the gearing and prevent the accumulation of dust and other matter thereon. The ,cover is bolted in place so as to prevent unuuthoried access to the operating mechanism. The shelf 39 is arranged in the same horizontal plane with and may be an extension of a shelf 44 whith is provided upon the front of the column. props 45 being dis i posed below the shelf and bolted or otherwise rigidly secured to the column so that tin. weight imposed upon the shelves will he firmly supported.

The shelf 44 provides a support for part c the pump-controlling mechanism and a coiz: box 46 is formed on the under side of t said shelf, a hinged door 47 being provided at the front of the coin box to permit authorized person to collect the money, and

this door 47 is normally secured in. closed position through a lock 48 of any preferred form. A hinged cover 49 is provided above the shelf 44 so as to cooperate with the shelf and end walls 50 to house the operating mechanism, while at the same time permitting authorized access thereto for cleaning or adjusting. The door 49 is equipped with a lock 51 and near the upper edge of the door is a plate 52 having coin slots 53 formed therethrough. The coin slots in the plate 52 may be of any desired number, although five slots will ordinarily be sufficient and that number has been illustrated. These slots will provide for the admission of a nickel, a dime, a quarter, a halfdollar, or a dollar, as the case may be, and this range will accommodate the coins representing the usual sales. As shown most clearly in Fig. 7, the plate 52 is formed integral with the upper end of coin chutes 54 which extend rearwardly and downwardly toward the shelf 44 and in the front wall of each coin chute is a slot 55 registering with the upper end of a chute or tube 56 forming a part of a casting which has its lower portion or floor 57 converging from its ends to a chute 58 which extends forwardly to the door or cover 49 in which is an opening 59 receiving the end of the said chute 58, as shown clearly in Figs. 1 and 7. lhis casting with the several chutes 56 and the com mon chute 58 constitutes a return duct whereby, should the coin inserted in any coin chute be of less value than the coin for which said chute is designed, the inserted coin will drop through the slot 55 into the respective chute or tube 56 and be consequently returned to the depositor at the mouth of the chute 58. The coin slot 53 at the receivin end of each chute 54 is, of course, of such length that a coin of greater diameter than that for which it is designed cannot be inserted so that the insertion of a proper coin is necessary in order to effect operation of the machine. For instance, should a dime be inserted in the slot intended to receive a quarter, the dime will simply drop through the corresponding slot 55 and be returned to the depositor at the end of the chute 58. A quarter or a nickel cannot be inserted into the chute intended to receive a dime inasmuch as both these coins are of greater diameter than a dime and, consequently, will not enter the chute intended for dimes.

Extending between the casing which houses the coin chutes and the base 8 of the container are a series of guide tubes 60, these tubes extending through the base 8 of the container and being threaded into the rim 9 thereof, as shown most clearly in Fig. 4. Through each of the said guide tubes extends a stout wire or light rod 61 which has its upper end pivotally attached to a rocking arm or lever 62 which is fulcrumed upon the same rod or bar 29 which provides the fulcrum for the rocking arm or lever 28 previously described. The lower end of the release wire or rod 61 is pivotally attached to the rear end of a rocking arm or lever 63 which is fulcrumed upon a bar or rod 64 carried by posts erected upon the shelf 44. The ends of the bar 64 are carried by screws 66 which are engaged in the upper ends of the posts 65, thereby providing for vertical adjustment of'the fulcrum bar or rod 64 in order to obtain an accurate movement of all the working parts. The rear end of each lever or rocking arm 62 has suspended thereon a connecting member 67 whereby it is coupled to the front end of a float lever or rocking arm 70. In the illustrated arrangement, this connecting member is a flexible spring steel tape having its upper end secured to a spool or small drum (38, mounted in the forked rear end of the lever 62, and its lower end equipped with a strap 69 engaged through a ringer eye 700 carried by the front end of the lower lever 70. The spool or drum is provided at its ends with trunnions ext ending through and rotatable in the sides of the fork in which it is mounted and on one trunnion is secured akey or handle 080 while a ratchet (381 is secured on the other trunnion. A pawl 682 is mounted on the fork and is held in engagement with the ratchet by a spring 683. If the effective length of the coupling tape to be reduced, the key (380 is turned to wind the tape on the drum and if the etlective length is to be increased the pawl (382 is merely held out of engagement with the ratchet until a suiticient length of the tape is unwound. The rockingarm or lever 70 carries a float 71 at its rear end whereby it is actuated by the rise of gasoline or other liquid in the container. To support the levers 70, rods or standards 72 are erected within the container, and upon each one of these standards is fitted a block 73 having a vertical opening through one end whereby it may be fitted. about the standard and having a pintle 74 of circular cross section at its opposite end. The rocking arm or lever 70 is loosely engaged upon the pintle 74 and is adapted to rock thereon. The block 73 secured at any desired point in the height of the standard 72 by a set screw 75 mounted in the end of the block and bearing upon the side of the standard, as shown most clearly in Fig. 14, and above the pintle 74 is a projection 76 on the block which fits between In S 77 on the lever or rocking arm so that the impact of the lugs against the edges of the projection will limit the rocking movement of the lever. In the end oi: the pintle :74 beyond the side of the lever is secured an indicator arm or pointer 84 which projects forwardly at the side of the block and has its extremity turned laterally, as shown at 78, whereby it is adapted to play over an indicator plate 79 and cooperate with gradualiens therein'i to enable an attendant to accurately adjustthe block and setthe lever to op -rate when a prcdeterniiined amount of liquid has entered the container.

The indicator plate is shown in detail in Fig, 12. it consists of plate, preferably of aluminum, of such dimensions that it; will rest at its lower edge on the hase 8 of the container and at its upper edge is equipped with openings through which screws or other fastening devices may be inserted to engage lugs 81 projecting forwardly from a bar 82 which extends between and connects the upper ends of the standards 72 so as to impart the desired rigidity to the structure. The several livers or rocking arms 63, 62 and 70 are disposed in alinmnent with the respective coin chutes, and vertical slots 3 are formed in the indicator plate 79, shown clearly in Fig. 12 to receive the several levers 70 and the ends of the indicators T8,

The melting arms or levers. T0 with their .l ing into the cont iner to sing the operation of the pump, and ohviuuslv they are t; i set at ditl'e vertical position within the container according to the quantity of liquid which eac 'ih's n tloat intent led to eontrolc vertical adjustment of the several levers To and their floats is eilectcd hy setting the, h oclzs T3 at the proper points upon their respective stnzulards 72, as has her-n previously stated, When a lever T0 is to be shifted vertically, the drum 68 connected therewith is manipulated so as to properly adjust the inen'ibcr When the lever it) adjusted vertically h vertically shifting the block 73, the indicator is, of course, likewise shifted verticallv and the pointer 78 of the indica tor will he hrought into register with a different graduation upon the indicator plate 79. Upon the face of the indicator plate at the extreme left-hand end thereof are graduated divisions. indicating gallons, and it will he noted upon reference to 12 that these gg'raduations, indicated at 88. ea;- tend from zero at the bottom of the pla e to ten at, the tog: thereofv The graduation lines 87 are, oi course, exit :led across the tare of the plate so that the quantity in gal lons f!1& he read adiacent one s ot. Still and at one side of each slot are lines gradnations ad aeeni which are displ 7 rep; nttinir pri es per Mimi, these runner ah d cree in value or l plate, in Fig. l hav chine as zirrarrc i'rd to sell as liueat t econ a gallon, and it will he noted tl i pointer in the slot whi Eh correspi the dollar coin chute is set upon the i (heating live gallons so t iii if departed, the rhino i liver live gallon gasoline.

w lav t' portion n ouan irv is tion of the uinns, the pointer in the half dollar column, for instance, being set at the graduation rep resenting two and one-half gallons at twenty cents a gallon.

The fulcrum rod 64- upon which the several levers 63 are mounted is provided with longitudinally disposed overhanging lugs 90 which project over the respective levers (=23 between stop lugs 91 upon the levers Set screws 92 are mounted in the lug 9 to receive the impact of the stop lugs 91 and by their adjustment limit the rocking movement of the levers 63 so as to secure accurate operation. The levers are recessed in their under sides and half hearing blocks 93 are fitted in said recesses and bolted to the lovers so as to Facilitate the assembling of the parts stop lugs 94 (see Fig. 10) being formed upon the fulcrum rod \vherehv sidewise movement of the levers will be prevented. The projection 90 and the cooperating stop lugs 91 correspond in all l':-;-;p l s to the projection T and the stop lugs 77 previously dcscril; and the levers 62 are provided with stop 3 9H cooperating with overhanging lugs 95 on the fulcrum rod 52$) in the manner.

Immediately helow and in trout ot the lower ends of the coin chutes is it her 98 ot' innilating material which extends across the casting of which the return coin chutes form parts. llaclc of the upper edge portion of this bar )6 are shorter bars 97 of insulating material which are disposed between the adjaccnt coin chutes 5'1 and are spaced apart distances corresponding to the width of the coin passage through the respective tubes. immediately below the insulating bars 97, conductor plates 98 me :-.ecured to the rear side of the bar 96 in any convenient manner and binding posts 9%) are mounted in the insulating liar l6 to establish electric connection with the rm-Jpective con-- ductor plates 98. To the trout end of each lever 63 is secured a head or l)ll (l{ loo havin a forward extension [01 of insulating llllr terial and to the said hlock, at opposite sides of the said exlezr-don till, are secured coinsupporting mei'nhers ill-2 of copper or other conducting material, it being understood that lllz-illizltll the hlncli or head 100 is also or material. The coin-suppo tin nienilwew are :u'iuate, as sh wn most clcarlv in and with the s trating insulation idlw eonstitute a yoke in which a coin may he eated 'l he ends of the volts are provided with no standing tongues adapted to ent r grooves or notches hill formed in the lowaw edges of the contact plates 98 and the it contact plates are provided in their Ul iil t l, edges at their t'rr -t ides with grown-s llhi adapted to rece ve d ippoi't a coin,

When a coin is u-ted in one of the coin h the coin chute 5i, deoomiiuitioii, and

it in [if lit-s may? lit) passes into the grooves 105 of the contact plates 98 and rests upon the coin holder consisting of the members 101 and 102. The coin is thus supported against the bar 96 and inasmuch as it is in contact at opposite points of its edge with the pair of contact plates 98, it closes the circuit through the said plates and causes the motor and the magnet 34 to operate. Current is supplied from any convenient source and may be brought into the apparatus by conductors 106, one of Which is connected directly with the motor and the other of which leads to the magnet 34, a hand-controlled switch 107 being provided so that the current may be cut-01f when the reservoir of the pump is empty or for any other reason it isnecessary or desirable to prevent operation of the machine. A lead or conductor 108 connects the motor with one plate 98 of each pair of plates and the other plate of each air of plates is connected through a con uctor 109 with the winding of the magnet 34. \Vhen a coin, therefore, is held by and between any pair of plates 1 98, the circuit is closed from the leading-in conductor through the magnet winding, the pair of plates, and the motor to the outgoing conductor. The magnet being then energized, the trip or armature 33 is attracted so that the outlet valve 20 is seatedand the gasoline pumped into the container, through the action of the motor and the pump, will be held therein until the level of the gaoline reaches the float 71 carried by the lever which is connected with that lever 63 upon which the coin is resting. When the level of the Liquid rises to the point where the float operat d by it is in the same horizontal plane with the corresponding indicator 7 8, the corresponding lever 70 will be rocked so that its front end swings downwardly and exerts a pull through the coupling member 67 upon the lever 62 connected therewith so that said lever is, in turn, rocked and exerts an upward pull upon the rear end of the connected lever 63. The rocking of the lever 63 will, of course, swing its front end downwardly and the coin which has been resting upon the members 101 and 102 at the front end of said lever will be thereby permitted to pass downwardly and will be dropped through a slot 110 in. the shelf 44 into the coin box 46. It will be understood that, when the coin holders 102 move downwardly, the front face of'the coin will no longer rest against the insulating bar 96 and will thereupon at once fall forwardly so that it will drop through the slot 110 in an obvious manner. The slot 110 extends across substantially the full width of the shelf 44 and a guard and deflector 111 is secured upon the shelf at the front side of the slot so that the coins will be positively directed thereinto.

Inasmuch as the vertical wall of the container is transparent, the customer can, of

course, observe the rise of the liquid therein and wil know when the inflow ceases. He

will then open the cut-off valve 26 so that the gasoline which has been pumped into the container may flow into the tank of his car. When the lever 63 has been rocked through the action of the float 71 and the intermediate connections as described, the coin-holding members 102 with the coin swings downwardly from the contact plates 98 so that the electric circuit is broken and the operation of the motor will at once stop. The ma et 34 is, of course, simultaneously de-energized and the trip 33 released so that the outlet valve 20 is opened. It is necessary that the lever 63 return to its former position after the coin has been discharged and this return movement will be effected through the descent of the float 71 as the liquid is Withdrawn. In order, however, to prevent any failure of the parts to return to the normal position and to insure the return movement of the lever 63, I provide upon the inner end of said lever a weight- 112 which may be secured at any point in the length thereof. A set screw 115 is mounted in the weight to bear upon the lever and thereby secure the weight in its set position.

It will, of course, be understood that, when a coin is inserted in the proper slot and the machine operated, as the liquid rises within the container the floats below the float corresponding to the slot in which the coin is inserted will be successively raised, but the raising of these floats will not stop the operation of the machine inasmuch as the circuit will remain closed until the lever supporting the deposited coin is actuated, and, if two coins be inserted, the machine will continue to operate until the float operatively connected with that lever supporting the coin of the highest denomination is actuated. This feature of the machine will foil eiforts to manipulate the mechanism so as to obtain more gasoline than has been paid for inasmuch as the party depositing the coins will receive only the value of the lar est coin deposited. If a second coin should be deposited while the liquid is being withdrawn, such coin will simply pass directly into the coin box inasmuch as the floats will all be raised and, consequently, the levers connected therewith will not be in position to receive and support the coin.

The base 8 of the container .and the rim 9 defining the top there of may be held together by bolts 116, as shown in Fig. 4, and the container may be secured upon the column 1 by bolts or the like 117 inserted through the top of the column into the base of the container, as shown in the same figure. The form of the column may be varied as desired so that various ornamental shapes may be employed, and the top cap or cover 12 may be fitted with electric lights or utilized in any way as an advertising space, and various changes may be made in the minor details of construction and arrangement without departing from the spirit or scope of the invention as the same is defined in the appended claims.

Having thus described the invention, I claim:

1. In a dispensing pump, the combination of a container, means for delivering liquid into the container, a stationary standard within the container, a float, a lever carrying the float at one end, vertically adjustable means for mounting said lever upon the standard, a rocking arm mounted upon the container, extensible connections between said lever and one end of the rocking arm, and means connected with the opposite end of the rocking arm to control the means for delivering liquid into the container.

2. In a dispensing pump, the combination of a container, a lever having a vertically adjustable support within the container, a float on one end of the lever, means for delivering liquid into the container, a second lever, means whereby rocking of the second level will arrest the operation of the liquid-delivering means, and adjustable operative connections between the second lever and the lever carrying the float.

3. In adispensing pump, the combination of a container, a lever disposed below the container, means for delivering liquid into the container, means whereby rocking of said lever will stop the operation of the liquid-delivering means, a second lever mounted upon the container, a connection between said levers, a stationary support within the container, a third lever mounted on said support and adjustable vertically thereon, a float on one end of the third lever, and an adjustable connection between the opposite end of the third lever and the second-mentioned lever.

4. In a dispensing pump, the combination of a container, means for delivering liquid into the container, a standard within the container, an indicator plate sup orted by the standard, a fulcrum block ad ustable vertically on and secured to the standard, a float lever fulcrumed on said block, an indicator carried by the fulcrum block at the side of the lever and cooperating with the indicator plate, and means whereby rocking of the lever will stop the operation of the liquid-de livering means.

5. In a dispensing pump, the combination of a container, means for delivering liquid into the container, a standard within the container, an indicator plate supported by said standard, a float lever mounted upon the standard and vertically adjustable thereon, an indicator supported by the standard in mediately adjacent said lever and adjustai iv on the standard with the lever and coop ating with the indicator plate, and In whereby rocking of said lever will stay operation of the liquid-delivering means,

In testimony whereof I affix my signature. F URMAN P. STALLCUP. [n s.]

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