US2340871A - Liquid dispensing device - Google Patents

Description

Feb. 8, 1944. F. B. EILERS LIQUID DISPENSING DEVICE Filed Sept. 20, 1940 3 Sheets-Sheet l INVENTOR. filers BY ZWQ 72 Z /0%M ATTORNEYJ Feb. 8, 1944. F. B. EILERS 2,340,371

LIQUID DISPENSING DEVICE 3 Sheets-Sheet 2 Filed Sept. 20, 1940 FIQ-4 INVENTOR.

ATTORNEYS Feiu. 8, 1944. F. B. EILERS LIQUID DISPENSING DEVICE Filed Sept. 20, 1940 3 Sheets-Sheet 3 INVENTOR. fii iilna ATTORNEYJ fiimm Patented Feb. 8, 1944 2,340,871 mourn DISPENSING nnvrca Frank B. Eilers, Fort Wayne, Ind., assignor to Tokheim Oil Tank and Pump Company, Fort Wayne, Ind, a corporation of Indiana Application September 20, 1940, Serial No. 357,535

13 Claims.

This invention relates to dispensing devices for dispensing liquid fuel for internal combustion engines, suchas gasoline, distillate and the like. The invention relates particularly to a dispenser wherein means is provided within a housing for normally storing the hose forming a part of the liquid dispensing line and in a manner such that the hose may be withdrawn from the housing to provide a longer radius of reach for the dispensing nozzle for filling automobiles at greater distances from the housing than heretofore, and which hose may be automatically retrieved within the housing upon the termination of the dispens ing operation. The invention is illustrated by way of explication in connection with a hose reel type of dispenser wherein the hose storing mech-. anism within the housing is disclosed as a rotatable reel upon which the flexible hose is adapted to be automatically coiled when not in use, and in connection with this reel is provided means automatically operated by the shifting movement of the reel for controlling the operation of the means which, in turn, controls the how of liquid through the flow line. Specifically, in the present disclosure the turning of the reel controls the on and ofi movement of the motor which drives the pump for causing liquid to flow through the dispensing line. However, it is to be understood that the turning or the reel may be automatically rather long lengths of hose are at times withdrawn from the housing, the reel mechanism necessarily rotates a number of times in either direction during the uncoiling or recoiling operation, and in this mechanism it is important at the initiation of the uncoiling mechanism that the pump be put in operation, and it is also important at the termination of the dispensing and at the initiation of the recoiling operation that the pump be stopped. This for the purpose of not only having the pump initiate the pressure for forcing the liquid through the flow line initially so that no matter what length of hose be uncoiled from the reel the pump is in operation and the pressure instantly available for forcing liquid through the line, but also in order that upon the termination of the dispensing operation the motor will be cut off immediately thereafter irrespective of the amount of hose to be recoiled or retrieved into the housing and thereby save unnecessary operation of the motor and the pump and the consumption of undue electricity.

To this end, therefore, it is one of the objects of the present invention to provide means in association with a dispensing pump of the hose storing type wherein means is automatically pro-. vided operable not only upon the initiation oi the uncoiling operation of the hose but also upon the initiation of the recoiling or retrieving movement of the hose for, respectively, starting the pump and stopping the pump without undue loss of operation or time.

Another object of the invention resides in providing a very simple, compact and reliable construction for accomplishing the foregoing,

Yet another object of the invention resides in providing a simple type of operating mechanism not only for controlling the operation of the pump motor upon the actuation of the reel or hose storing mechanism but also for providing a cooperating nozzle support and interrelated switch control mechanism for insuring that the terminalnozzle will likewise control the operation of the pump motor in a manner such that when the nozzle is on its support, as, for instance, when the hose is not in use, the pump motor is necessarily in that position, and vice versa, when it is desired to put the service station dispensing pump in operation it will be necessary first to remove the hose nozzle from its support.

A yet further object of the invention resides in providing a novel interlocking mechanism for the hose nozzle and its manually operable switch control mechanism for the motor, with the reset mechanism for the pump, whereby it is necessary to first reset the computer before the pump motor can be put in operation, thereby insuring that the computing mechanism will start at zero before a subsequent dispensing can take place.

Still another object of the present invention resides in providing means so that during the dispensing operation resetting cannot be accomplished.

These and other objects of the invention will be apparent from a perusal of the following speciflcation when taken in connection with the accompanying drawings, wherein:

Figure 1 is a side elevation, partly broken away, of one form of dispenser, herein shown as a service station pump, provided with a novel type of control mechanism;

Figure 2 is a side view showing the hub of the reel disclosed in Figure 1;

Figure 3 is a view partly in section of the control unit attached to the hub of the hose reel taken on the line 3-3 of Figure 2:

Figure 4 is a side elevational view of the interlock mechanism located within the pump housing between the nozzle support and the computer reset mechanism;

Figure 5 is a section taken on the line 5-5 of Figure 4 showing the interlock mechanism;

Figure 6 is a view of the mechanism shown in Figure 5 but in a different position; and

Figure 7 is a sectional view taken on the line 1-1 of Figure 4.

Referring to the drawings in detail, while I have shown adispensing device as embodied in a pump of the so-called service station type, it is to be understood that other types of devices are within the contemplation of my invention, and it is also to be understood that while I have shown a control mechanism herein as applied to a hose storing mechanism of the rotatable hose reel type, the invention is likewise applicable to other types of hose storing mechanism which accomplish the functions of the invention illustrated.

Referring now to the exemplified embodiment, the dispensing device comprises a housing I adapted to enclose the usual dispensing line, the bottom portion of which is connected as usual to an underground source of liquid to be dispensed having the usual terminal foot valve, and, in addition, the housing encloses any type of pumping mechanism P for drawing the liquid from the underground tank and forcing it through the dispensing line. This pumping mechanism is inserted directly in the flow line and is driven by a motor 2 having any type of switch box 4, In the present instance the motor is shown as supported by a suitable support 5. In addition, the housing encloses any type of air separator, liquid displacement meter M, and sight gauge ll, all disposed in the flow line. The flow line, after passing through the sight gauge H at the upper portion of the housing, extends downwardly and connects with the hub of a rotatable reel, the details of construction of which are not shown herein. It is sumcient to say that such details are shown in the copending application of Paul E. Waugh filed simultaneously herewith, entitled Liquid dispensing device, and both of which applications are assigned to a common assignee. The hose reel a shown in said copending application of Paul E. Waugh comprises a central hub forming a liquid conduit and connected to the discharge from the flow indicator, and the conduit of this hose reel, in turn, is connected to the flexible hose which is adapted to be coiled upon or uncoiled from the hose reel, which is preferably spring actuated in one direction in such a manner as to normally coil the hose upon the reel. The free end of the hose as it comes from the reel is adapted to pass outwardly through an opening in the bottom of the housing, indicated at [2 on the drawings, and from this point of emergence projects upwardly alongside the housing a considerable distance to a nozzle upport l4 hereinafter referred to. The nozzle on the terminal end of the flexible hos is mounted on the support I 4 when the hose is not in use. The computer mechanism, indicated generally at I 5, is of the usual type and is provided with a manually actuatable control device H, which when operated in a suitable manner is adapted to reset the computer mechanism to zero.

, The hose reel herein shown at is mounted in the base of the housing directly opposite the hose opening l2. The reel is supported on a suitable bracket supported from the frame structure of the housing and the opening at I2 is fortified with anti-friction rollers, the construction of which is claimed in said copending application of Paul E. Waugh, as are likewise other features of the hose reel construction not herein specifically claimed.

Referring to Figures 2 and 3, the hub 23 of the reel is shown as having an extended shaft 24 at the outer end of which is shown a diametrally smaller portion 25 which is threaded to accommodate a nut 26. This nut clamps washers 21 and 28 against a shoulder 29 of the hub shaft 24. A friction washer 30 is held between the hose reel hub 23 and a metal washer 3| by means of spring 32. The spring, in turn, holds a washer 33 against another friction washer 34. The spring and its associated washers are held under tension by means of a sleeve 35. Upon the sleeve 35 a rock ing plate 36 is mounted for free rotation. The washer 3| is provided with an extended portion 3'! upon the outer end of which a boss 38 is provided. The boss or pin 38 has a diametrally smaller portion extending through a notch 39 in the rocking plate 36. Attached to the opposite side of the rocking plate 36 is a connecting actuator 40, which is attached by means of a pin 4| having a cotter key and a washer in its outer end.

The opposite end of the connecting actuator or link 40 is connected to a bell crank 42 mounted on a bracket in the housing. On the other arm of the bell crank 42 a connecting rod 44 is attached which connects, in turn, with a bar 45. In the center portion of the bar 45 a small pin 46 is located which connects the bar with a switch lever 41. The lever 41 is pivoted at 48 and has a stop pin 49 attached to a switch box 4 to limit its degree of travel. On the opposite side of the bar 45 a rod 52 is attached for connection to the interlock mechanism shown in detail in Figure 5. It is to be understood that the interlock mechanism is not a necessary part of the hose reel motor operating control mechanism but is necessary whenever it is essential that some means he provided for preventing the operation I of the motor pump before the computer has been reset to zero.

The specific details of construction of the actuating mechanism connected to the rod 52 are shown in Figures 4 to 7, inclusive. The rod 52 is interlockingly associated with manually actuatable means provided in connection with the nozzle support and arranged so that when the nozzle is on its support, when not in use, the manually actuatable member is inoperative, and further, so that when the nozzle is removed from its support, the manually actuatable member may be shifted either manuall and/or automatically for conditioning the hose reel mechanism for automatic operation when the free end of the hose is put under tension as in the act of pulling an extra length of hose from the housing through the opening I2. It is to be understood that the interlocking mechanism is adaptable to types of hose reel or hose storing devices wherein power means, such as a motor, is provided for automatically turning the hose storing means if it be desired to extend and/or to retrieve an additional length of hose rather than compelling the operator to pull manually upon the hose.

The rod 52 is operably associated with a bell crank lever BI, and to this end the rod 52 is adapted to pass through a slot or opening in the bell crank lever and is provided with nuts 6| engaging threaded portions of the rod 52 above and below the opening in the bell crank lever 6|.

The bell crank lever 8| is pivotall mounted upon a shaft 62 having s i he r n s n part of the frame of the dispenser housing. An arm 83 of the opposite end of the bell crank 8| is adapted to engage a pin 84 formed on a yoke or link 88,

which link forms an integral part of another bell crank 88. The second bell crank 88 is pinned to a shaft 89. An arm 81 of the bell crank has secured to it a pin 88, to which pin is secured a link I8 carrying on its opposite end a pin II pivotally connected to another shorter link 12 forming the inner end of a shiftable lever I3. The lever is provided with an upstanding guard I4, hereinafter referred to, and is pivoted about a point 8| so that when the lever is raised to its dotted-line position shown in Figure the links 12 and 18 will be actuated in the manner hereinafter described.

Referring to Figure 4 specifically, the shaft 89 is provided with a cam member 88 and two washers 82 and 83 which lie on opposite sides of the cam member. A cotter pin holds the cam member inposition between these two washers. The cam member 88 is free to rotate on the shaft 89. It is provided with an extension 84 which is adapted in one position to support a locking bar 88, and the bell crank 88 is provided with a lug 88 which overlaps the face of the extended portion or dog 84. A spring pressed plunger 81, see Figure 4, is mounted in a bearin support 88 and is adapted to ride upon the upper surface of the locking bar 85. This bar is pivoted upon a screw 89, and the spring pressed plunger 81 constantly urges the locking bar in a clockwise direction.

A shaft 98 having a flexible coupling extends from the computer mechanism, shown on the right-hand side of Figure 5, of the service station pump. The ,shaft 88 is provided with a cam disk 9| attached thereto by any suitable means. In the rear side of the disk 9| a cam 93 is preferably integrally cast. The rear left-hand end 94 of the locking bar 85, looking at Figure 4, is disposed in the rear of the cam disk 8I and beneath the cam 83, see Figure 7. A notch 95 is provided in the disk 9| which is located to accommodate a locking lug 98 attached to the shaft 89 by means of a pin 98. A cam 98 is likewise attached to the shaft 89 by means of another locking pin, and the cam 98 has on its rear portion a straight cam surface I88, see Figure '7, which is adapted to cooperate with a spring pressed plunger I8I. As shown in Figure 'l, the outer end of the computer shaft 98 is supported on a bearing I82,

- which bearing is, in turn, mounted in a cover plate I83 attached to a suitable part of the frame wise or downward direction, drawing with it the bell crank 88 and the bell crank arm 81. This will, in turn, cause the pin 84 carried by the arm 85 to move in a clockwise direction out of interference with the locking finger 83 in a bell crank 8|. As the bell crank 88 is swung in a clockwise direction the extended lug 88 thereon, in turn, rotates the dog 84 likewise in a clockwise direction. This is due to the overlapping of the dog 84 with the lug 88. and this rotation forces the plunger IN to retreat to the right against the tension of the spring within this cylinder and at the same time allows the plunger 81 shown in Figure 4 to act upon the right-hand end of the locking bar 85, thereby forcing this end of the locking bar downwardly to ride upon the upper surface of the lug 88 and causing the end of the locking bar 85 to be moved down below the left-hand edge of the lug 84, as indicated in dotted lines in- Figure 5, so that the lug 84 cannot thereafter be moved counterclockwise without first raising the locking lever 85. Rotation of the bell crank 88 rotates the shaft 89, which is fixed thereto, and rotation of the shaft 89, in turn, rotates the cam 88, see Figure 4, and likewise rotates the lug 98. Rotation of the cam 98 places the flat cam surface I88 thereof in the dotted-line position shown in Figure 7, which allows the plunger IM to move outwardly and engage the surface I88 so that this interference of the plunger I8I with the surface I88 holds the shaft 88 inits new position.

As the attendant carries the hose nozzle toward the customer'sv car he pulls outwardly on the hose, causing it to rotate from its reel, the reel rotating in a clockwise direction. Rotation of the reel in such direction carries with it the pin 38 by means of frictional engagement of the spring 32, hereinbefore described. After a relatively short travel, determined by the width of the slot 38 in the actuator 38, the pin 38 will engage the right-hand side of the notch or slot 39 and further movement of the reel will then rotate the bar 38. The spring 32 provides sufficient friction to drive the bar 38 and its associated mechanisms. This rotation of the bar 38 causes the bell crank 42 to rotate in a clockwise directionbecause of the connecting link 48. The bell crank 42, in turn, raises the rod 44 and throws the switch lever 41 to its extreme position to close the switch. The pin 49 limits the travel of the switch lever 41. Any further movement of the hose reel by pulling out of the hose only 5 causes slippage in the friction clutch represented by the spring 32 and its associated washers. Up-

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ward movement of the rod 44 carries with it the rod 82, which is attached to the upper end of the bell crank 8|, whereby this bell crank will rotate in an anti-clockwise direction, and this movement is permissible because the interfering pin 84, shown in Figure 5, has heretofore been rotated out of interference with the interlocking lever 13 or raised initially by the attendant, as heretofore described. When the attendant has completed his dispensing operation, he relieves the hose of its tension and the reel will be driven in an anti-clockwise direction by means of its built-in spring S. The initial anti-clockwise rotation of the reel carries the pin 38 to th opposite side of its notch 39 and further movement rotates the bar 38. Rotation of the bar reverses all previous movements and substantially immediately throws the switch lever 41 to its original position, as shown in Figure 1, thus opening the motor circuit. Further retrieving movement of the hose by the hose reel only causes slippage of the friction clutch, as heretofore described, and when the hose has been wound to its coiled-up position the attendant may again place the nozzle 5 on its support l4, and this may be accomplished by manually lowering the support I4 and placing the slotted end of the nozzle in the manner sho in Figure 1.

This lowering of the lever I3 causes the bell crank it to rotate in an anti-clockwise direction and take the position shown in Figure 6. This bell crank carries with it the lug I}. However. since the dog 84 is slightly higher than its associated lug 88, this dog contacts the locking bar 85. The spring plunger 81, see Figure 4, actin on ,top of the locking bar 85; forces the latter down between the lugs 84 and 86, shown in Figure 6. This interference forms an interlock to prevent the operation of the motor switch actuating mechanism until the computer mechanism is again reset. In short, if the lever 13 were again to be shifted, the lug 86 would be blocked by the locking bar 85 so that the pin 64 would not be moved out of interlocking relation with the switch arm 83 and hence the motor switch could not be operated by the hose reel until resetting occurred.

When the shaft 68 is rotated in a clockwise direction by raising of the lever 13 the locking pawl 96, see Figure 4, enters the notch 95 of the disk SI and remains in this positionwhile the system is in condition for operation of the switch and during dispensing. This pawl 96 provides an interference for resetting of the computing mechanism or registering mechanism while the interlock is in this position. If the lever 13 be raised during a resetting operation, the pawl 98 will ride on the periphery of the disk 9i until the notch 95 thereof comes in contact with the same. This operation will prevent any further rotatiomof the reset shaft until the lever 13 is placed in its lowered position. This provides a safety means to compel the proper sequence of resetting and interlocking operation.

To recondition the mechanism, the registering or computer mechanism is reset by means of the actuator I 8, which rotates the shaft 90 and cam 83 in a clockwise direction. The left-hand end of the locking bar 85 is in the position shown in dotted lines in Figure 4, and the rotation of the cam .93 brings the bar back to its original position shown in solid line, at which time the do 84 will be forced by its plunger i! under the right-hand end of the locking bar 85. This willhold the bar in its original position and the mechanism is entirely in condition for another dispensing operation.

Having thus described my invention, what I claim as new and desire to secure by Letters Pattent is:

1. In a liquid dispensingdevice, the combinaof an upstanding housing, means forming a dispensing line in said housing, a hose reel rotatably mounted in the base of said housing, an opening in said housing opposite said reel, a hose adapted normally to coil a plurality of turns upon said reel, the inner end of said hose being connected in liquid-tight manner to said reel, said reel having a liquid conduit therethrough adapted to connect with said dispensing line and with a source of liquid, the terminal end of said flexible hose passing through said opening in the housing, said hose being provided with a nozzle having a control valve, spring means associated with said reel to normally wind said hose on-said reel, a pump in said housing disposed in said flow line, a motor for said pump, a switch for said motor, a switch actuator, frictional driving means drivingly interconnecting said reel and said switch actuator for substantially immediately shifting said switch actuator upon rotation of said reel in one direction to shift said switch to start the operation of said pump motor, said frictional driving means thereafter yielding upon continued rotation of said reel and whereby. upon acme-:1

rotation of said reel in the opposite direction, substantially immediately thereupon to shift said switch actuator to stop the operation of said pump motor, said frictional driving means thereafter yielding upon continued rotation of said reel.

2. In a device of the class described, the combination of an upstanding housing having an opening, a hose reel mounted opposite said opening, a flexible hose adapted to be coiled upon said reel with the terminal end of the hose passing through said opening and being provided with a dispensing nozzle having a manually actuated valve, a pump connected to said hose, 9. motor for driving the pump and a switch for the motor, means for normally shifting said hose reel in a direction to coil said hose thereon, said reel having abutment means frictionally turnable therewith, shiftable switch actuating means connected to the switch of the pump motor, said shiftable switch actuating means having spaced portions lying on opposite sides 01 said abutment means frictionally turnable with the reel so that on pulling said hose said reel turns, and so that said abutment means will substantially immediately contact one of the spaced portions of said shiftable means to throw the switch to operative position, said friction drive yielding upon the continued rotation of said reel, and whereby, when said hose, is retrieved within said housing by the reverse turning of said reel, said switch actuating means is angularly moved in an opposite direction to substantially immediately move said shiftable means to move the pump motor switch to inoperative position, said friction drive yielding during the continued rotation of said reel in said reverse direction.

3. In a device of the class described, the combination of an upstanding housing having an opening, a hose reel mounted in said housing opposite said opening, a hose normally coiled upon said reel and having its free end passing through said opening and provided with a terminal nozzle, 9. pump in said housing for supplying liquid to said hose, a motor for driving said pump, a switch for said motor, said reel having a rotatable shaft, a friction washer on said shaft, a disc on said shaft associated with said friction washer, a spring normally forcing said disc and washer together, whereby frictionally to drive said disc I from the rotation of said reel shaft, means asso-' ciated with said reel for turning the reel in one direction to wind the hose upon the reel, a shiftable actuator turnably mounted on said reel shaft, said actuator having spaced-apart operating members, a member projecting from said disc and lying between said operating members on said shiftable means, and means connecting said shiftable actuator with said switch whereby, on pulling on said hose, said reel is turned in one direction, thereby frictionally driving the actuator, to contact one of the shoulders of the shiftable means to turn the shiftable means to actuate the switch, said disc and frictional washer yielding to permit continued rotation of said reel after the actuation of said switch.

4. In a device of the class described, the combination of an upstanding housing having an opening, a' hose reel mounted in said housing opposite said opening, a hose normally coiled upon said reel and having its free end passing through said opening and provided with a terminal nozzle, a pump in said housing for supplying liquid to said hose, a motor for driving said pump, a switch for said motor, said reel having a rotatable shaft, a friction washer on said shaft, a disc on said shaft associated with said friction washer, spring means normally forcing said disc and washer together, whereby frictionally to drive said disc from the rotationof said reel shaft means associated with said reel for turning the reel in one direction to wind the hose upon the reel, and a shiftable actuator pivotally mounted ior preventing movement of said switch by said hose reel.

7. In a device of the class described, the combination of an upstanding housing, a hose reel mounted in said housing, a hose normally wound on said reel with its end provided with a terminal able actuator to shift said switch to control the operation of the pump motor.

5. In a device of the class described, the combination of an upstanding housing, a hose reel rotatably mounted in said housing, a hose having a plurality of coils normally wound on said reel with the end of the hose provided with a termi-' nal nozzle whereby said reel is rotated a plurality of times in uncoiling the hose from the reel, means tending normally to wind said hose on said reel on release of tension on said hose, a nozzle support on said housing adapted to receive said nozzle when not in use, a manually shiftable actuator associated with said nozzle support and adapted to be moved to inoperative position when the nozzle is on the support, and, conversely, to

'be. manuallyshifted to operative position when the nozzle is removed from the support, a pump in thehousing associated with the flexible hose, a motor for driving the pump, a switch for controlling the operation of the motor, a switch actuator, frictional driving means between said hose reel and said actuator whereby to cause operation of the switch actuator on substantially initial turning of said reel in one direction, said frictional driving means thereafter slipping to allow further turning of said reel during hose uncoiling movement of said reel, substantially initially operating said switch actuator and thereafter slipping to allow further turning of said reel during hose retracting movement and means controlled by the movement of said manually shiftable actuator to a position to receive the nozzle for controlling the movement of said switch by the action of said reel.

6. In a device of the class described, the combination of an upstanding housing, a hose reel mounted in said housing, a hose normally wound on said reel with its end provided with a terminal nozzle, a nozzle support on said housing adapted nozzle, a nozzle support on said housing adapted to receive said nozzle when not in use. a shiftable actuator associated with said nozzle support and adapted to be moved to inoperative position when thenozzleis on the support, and, conversely, to be manually shiftable to operative position when the nozzle is removed from the support, a pump in the housing associated with the flexible hose, a motor for driving the pump, a switch for controlling the operation of the motor, frictional driying means including a lost motion connection operatively associated with the reel for actuating said switch on rotation of said reel, interlocking means operatively shifted by the shiftable actuator for precluding movement of said switch by said hose reel driving means, and means'operated by the movement of the shiftable actuator for shiftably conditioning the interlocking means between said actuator and said switch whereby to cause operation of said switch by movement of said reel;

8. Ina device of the class described, the combination of an upstanding housing, a hose reel mounted in said housing, a hose wound on said reel with its end provided with a terminal nozzle, a nozzle support on said housing adapted to receive said nozzle when not in use, a shiftable actuator associated with said nozzle support and adapted to be moved to one position to permit the nozzle to be placed on the support, and, conversely, to be manually shifted to another posi-,

tion when the nozzle is removed from the support, a pump in the housing associated with the flexible hose, a motor for driving the pump, a switch for controlling the operation of the motor, a frictional driving connection between said hose reel and said switch whereby to operate said switch on the initial portion of the rotation of said hose reel, said driving connection allowing continued turning of said reel after the operation of said switch and shiftable interlocking mechanism operatively associated with the manual actuator adjacent said nozzle support and operated by predetermined movement of said nozzle support for interlocking said switch against operation when said manual actuator is in position to receive the nozzle on said support.

to receive said nozzle when not in use, a shiftable actuator associated with said nozzle support and adapted to be moved to inoperative position when the nozzle is on the support, and, conversely, to be manually shifted to operative position when the nozzle is removed from the support, a pump in the housing associated with the flexible hose, a motor for driving the pump, a switch for controlling the operation of the motor, a friction clutch operatively disposed in driving relation between the reel and the switch actuator for substantially initially shifting the switch actuator upon movement of the reel in one direction and for substantially initially again shifting the switch actuator upon movement of the reel in the reverse direction, and means operatively associated with the manually shiftable actuator when shifting to a position to receive the hose nozzle lit 9. In a device of the class described, the combination of an upstanding housing, a hose reel rotatably mounted in said housing, a hose having a plurality of coils normally wound on said reel with the end of the hose provided with a terminal nozzle, a nozzle support on said housing adapted to receive said nozzle when not in use, a shiftable actuator associated with said nozzle support and adapted to be moved to one position to permit positioning of the nozzle on the support, and, conversely, to be manually shifted to another position when the nozzle is removed from the support, a pump in the housing associated with the flexible hose, a motor for driving the pump, a switch for controlling the operation of the motor, a switch actuator forming a driven element of a lost 'motion connection, a driving element connected to said switch and forming a cooperative lost motion connection with said driven element, means forming a yieldable frictional driving connection between said reel and said driving element whereby on rotation of said reel in one direction said lost motion connection driving element is frictionally driven by said reel a short distance before driving said driven element of said lost motion connection and whereby said reel may then continue to turn without further operating said switch and whereby upon reverse rotation of said reel said lost motion connection driv-' ing element is frictionally driven by said element a short distance before driving said driven element of said lost motion connection and whereby said reel may then continue to turn in said reverse direction without i'urther operating said switch, and means connected to the manual actuator' which is associated with said nozzle support and operative on movement of said switch so that when said nozzle is removed from said sup-' port and said actuator is operated, said switch is automatically operated by movement of said reel, and, conversely, whereby when said manual actuator is positioned so that said nozzle support receives said nozzle, said reel mechanism is inoperative to actuate said switch.

10. In a dispensing device comprising an upstanding housing including a flow line having a terminal flexible hose provided with a dispensing nozzle on its end, a reel rotatably mounted in said housing in which said flexible hose is adapted to coil a plurality of turns, a pump in the flow line and disposed in said housing, a motor for the pump and a switch for the motor, frictional driv ing means associated with said reel for operating the switch on rotation of said reel, a nozzle support on said housing, manually actuated means associated with said support for controlling the operation of said switch by said reel, said housing having a computing mechanism associated with the dispensing line and operated by the liquid flow therethrough, manually operable reset mechanism for said computer including an actuator, and means interconnecting said reset actuator and said switch operating mechanism to prevent actuation of said switch during resetting.

ll. In a dispensing device comprising an upstanding housing including a flow line having a terminal flexible hose provided with a dispensing nozzle on its end, a reel in said housing in which said flexible hose is adapted to coil, a pump in the fiow line and disposed in said housing, a motor for the pump and a switch for the motor, switch actuating means, frictional driving means between said reel and said switch actuating means for operating the switch initially on rotation of said reel in one direction and for likewise initially operating the switch on rotation of said reel in the opposite direction, said frictional driving means yielding after the operation of said switch to permit continued rotation of said reel thereafter, a nozzle support on said housing, manually actuated means associated with said support and controlling the operation of said switch by said reel, said housing having a computing mechanism associated with the dispensing line and operated by the liquid flow therethrough, manually operable reset mechanism for said computer including an actuator, and means interconnecting said manually actuated means associated with said nozzle support and said reset actuator and said switch operating mechanism for preventing consecutive operations of said switch mechanism by-said reel without the intervention of an operation of the reset mechanism.

12. A liquid dispensing apparatus comprising a liquid flow line adapted to be connected to a source of liquid supply, a flexible hose secured to the discharge end of said flow line, a mounting upon which said hose is carried, said mounting being adapted to be shifted from an inoperative position wherein the hose is in normal stored condition to an operative condition wherein the hose is extended to efl'ect a dispensing operation, a pump for propelling liquid through the dispensing line, control means for the pump, and operating connections between said mounting and said control means whereby the control means is operated by the shifting movements of the mounting means, said connections including a slipping friction clutch whereby said control means is operated to initiate the operation of the pump substantially immediately upon movement of the mounting means, said friction clutch thereafter slipping upon continued movement of the mounting means, and said mounting means being operable to shift the control means in an opposite direction substantially initially upon the retractive movement of the mounting means from any shifted position.

13. A liquid dispensin apparatus comprising a liquid flow line adapted to be connected to a source of liquid supply, a flexible hose secured to the discharge end of said flow line, a hose reel upon which said hose is carried, said reel being shiftable from an inoperative position wherein the hose is in normal stored condition to an operative condition wherein the hose is extended to eflfect a dispensing operation, a pump for propelling liquid through the dispensing line, control means for the pump, a friction clutch between the control means and the hose reel whereby upon substantially the initial movement of the hose reel the control means operates the switch, said clutch thereafter slipping upon continued movement of the hose reel, said control means being operable to operate the switch in the opposite direction upon substantially the initial'reverse rotation of the hose reel.

FRANK B. EILERS.

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