US1877817A - Submerger - Google Patents

Description

Sept. 20, 1932. r c B, COOK 1,877,817-

SUBMERG'ER Filed April 26, 1930 4 Sheets-Sheet 1 INVENTOR. 1 CZB. C OQK A TTORNE Sgpt. 20, 1932. v

' C. B. COOK SUBMERGER Filed April 26. 1930 4 Sheets-Sheet 2 mm H R. V mmfiw m? WK m T W 7 mm m m 5 6 W M 8 8 G Y B W FIE S 2 l Q g 1 5 E a.) N2 M2 3 3 S. 2. on Q.

SePL 1932- c. B. COOK 1,877,817

SUBMERGER Filed April 26. 1950 4 Sheets-Sheet 4 1 N VEN TOR.

C.B.COO/1.

BY I 30 I I V ATTORNEY.

Patented Sept. 20, 1932 Parent OFFICE CHARLES 346003. or LOS ANGELES, cmromvrn SUBMERGER Application filed April 26, 1930. Serial No. 447,746.

This invention relates to submergers.

The general object of the invention is to provide an improved submerger for containers.

Another object of the invention is to'providea submerger wherein the article submerged is treated with an especially prepared material. r

A further object of the invention is to provide a submerging device with means for automatically replenishing the supply of liquid in the device. 1

Another object of the invention is to provide a submerging device with means for antomatically discharging a predetermined quantity of emulsion at predetermined in- 'tervals into theliquid in the device.

Other objects and advantages of my invention will be apparent from the following description takcnin connection with the accompanying drawings wherein:

Fig. 1 is a vertical longitudinal section through my improved submerger. j Fig. 2 is a top plan View of the device.

Fig. 3 is a section taken on line 3-3' of Fig. 1. i i

Fig. 4 is a sectiontaken on line Hot Fig. 1 showing the cradle tilted.

Fig. 5 is a section taken-on line 5-501 Fig. 1.

, Fig. 6 is a fragmentary exterior view showing the rear wall and associated parts.

Fig. 7 is a section taken on line 7-7 of Fig. 8 is an enlarged viewof a valve with parts thereof broken away.

.Fig. 9 is a section taken on line 9.9 of F 1 showing the latch in an operative po sition.

Fig. 10 is a similar view showing the latch in an inoperatlve pos1t1on.- Y

Fig. 11 is a fragment of the rear wan showing the switch operating mechanism.

Fig. 12 1s a view of the control switch and showing the w1r1ng hookup diagrammatical- Referring-to the drawings by reference characters I have indicated my improved submcrger generally at 10. As showni'this I device comprises asupporting frame 12having a tank 13 mounted thereon which includes a frontwall 14, a back wall 15, a bottom 16 and ends17 and 18. Adjacent the end 17 of the tank I provide an elevating mechanism which is'indi cated'generally at 20. i As shown this elevating mechanism includes a cage 21 mounted on. a piston 22 which is positioned in a cylinder 23 which extends downwardly from i the bottom of the tank. Adjacent the lower end of the cylinder 23 I provide an inlet 24. which communicates with a pump 25 through the'niediu'm of a pipe line 26 having interposed therein a controlvalve27;(Fig. 3). Interposed between the cylinder inlet 24 and thecontrol valve 27 I provide aT 27 from whicha pipe line 28 extends intothe tank 13 adjacent the "rear 15 opposite the piston 22. This pipe line extends upward. in the tank as indicated at'29 and is provided with a plurality of perforations. Interposed in the pipe line 28 I provide an electrO-mflgnetic valve 30.

Between the pump and the control valve 27 the pipe line 26 is provided with a T 26' from which a pipe line 31 having interposed therein a controlvalve 32, extends into the tank 13to adjacent the" back wall 15 as indicated at 33 and is provided with a plurality of perforations on the face nearest to the carriage.

Interposedin the pipe line 31 above thecontrolvalve 32 I provide a T 34 from which a pipe line35 extends up intothe tank 13 adjacent to the back wall 15 as indicated at 36-and is provided with a plurality of perforations on the face nearest to the carriage, like the portion 33-01 the pipeline 31. e v j The pump 25 is driven by an electric motor 37 and is adapted to draw fluid from the tank 13 through a pipe line 38 which extends into the tank as indicated at 39. The upper end'of the pipe portion 39 is closed by a cap 10- (Fig. 7 and in the side wall of the pipe adjacent the top thereof I provide an elongated aperture 41. Surrounding the pipe 391 provide a sleeve 42 on which a hollow float 43 is mounted and in which I provide acond'uit 44 which inclines upwardly and which eattends through theslecve and isadapted to register with the elongated aperture 41 in the pipe 39. For retaining the conduit 44 as indicated at 47 by the dotted line inFigJ 1. When the tank is thus filled the float 43 retains a position wherein theouter end of the conduit 44 is justbelow the level of the fluid so that when the pump is actuated the fluid is drawn into the pipe 39 from ad-' jacent the surface of the-fluidas clearly;

shown in Fig. 7.

-When the valve 27 is open and the motor is operating the pump forces fluid into the cyl-.

inder 23 thereby raising the piston .22 and the carriage 20 and when the valve 30 is actuated to-a fully opened position the weight of the piston and carriage forces the fluid in the cylinder 23.;out through'the pipes 28 and 29'into the tank 13 thereby allowing the piston and carriage to move downward. The actuating speed of the piston22 may be controlled by the valve 27. I I

A all times during the operation of the pumpfiu-id is forced through the. pipeline 31 into the pipes'33 and 36 into the tank and V tank '13 I provide a cradle 81. yAs shown'this the valve 30 is provided .with,a by-pass 48 as shown in Fig. 8 so that fluid is'also forced through the-pipe line 28 and the pipe 29 into the tank 13 at all times. The amount of fluid passingthrough the by-pass .48 of the valve 30is not a sufficient amount to allow the carriage 21 1130 be lowered.'=

suitable source by a pipe 52.

The boxes indicated at such as are adapted to be treated by this device,.may be field boxes for picking'citrus fruit which aregenerally composed of solid ends 56, sides '57'and bottoms 58 which are made of a plu-' rality of members having openings 59 therebetween, and theboxes are positioned in the carriage 21 on one of their sides with the open top facing the back wall 15 of the tank.

The carriage 21includesiasolid bottom" member 60'and'la side member 61 on the side adjacent the back 'wall 15 of th e tank.

The side member is p rovided w ith a plu here 63. The vertical members 63 extend across the top of the cage and have a plu-,

rality of spaced slat members 64;secured thereto. .The side members 63 are so positi'onedthatf when a box 55 is positioned in the carriage they cover the slots 59 in the bottom 58 ofthe box'and the top members 64 cover the slots 59 in the uppermost side 57 of the box.

For conveying the boxes 55 to the device 10 any suitable type of conveyor mechanism such as indicated at 65 may be used.

Between the end 17 of the tank and the carriage 21 I provide a roller 66esecurcd to a shaft 67 which is mounted in bearings 68 on the tank and on one end of which I provide a sprocket wheel 69 by which the shaft isadapted'to be rotated.

Adjacent the opposite end of the cage 21 I provide a roller 7 O which'is provided on its outer periphery with a plurality of projections 71 and is secured to a shaft 72 mounted in bearings ,7 Son the tank 13 and secured on one end of the shaft 72 I provide a sprocket wheel 74 by which the shaft 72 is adapted to be rotated.

The sprocket wheels 69 and 74 are adapted to be rotated by a sprocket chain 75 which is supported thereon and passes around a sprocket wheel 76 secured to a shaft 7 7 mounted in a bearing 78 on the end 17 of the tank 13. For rotating the shaft 77 I secure thereon another, sprocket wheel 79 which is adapted to be driven by a sprocket chain 60 from any suitable source of power.

cradle includes a plurality of spaced transverse members 82 having secured theretoside members 83 anda plurality of spaced longitudinal rails '84- The cradle 81 is supported at one end by a shaft 85 positioned inIa bearign 86 on the'end18 of the tank and at the opposite end by a shaft 87 supported by a transverse member 88 secured to the front and back of the tank. The axes of the shafts 85 and 87 are to one side of the longitudinal center of the cradle so that the cradle normally tends'to tilt with the rear side down and the front side up, as shown in Fig. 4,

' and to furtherincrease this tendency I preferably provide a weighted member 89 on the underside of the cradle.

For limiting the downward movement of the rear side of the cradle I provide a stop 90 and for limiting the downward movement of the frontside of the cradle I provide a stop 91. Secured to the cradle shaft 87 I provide an arm' 92which is adapted to be engaged bya finger 93 secured to the bottom 60 of the to which it is rocked.

with it I provide means for automatically replenishing the strength of the solution. As shown thismeans includes a container 96 posltioned in the tank 13 adjacent the end 18 .and includes a capped filling conduit 97 which extends up above the rear side of the tank. Extending from adjacent the lower end of the container 96 I provide a pipe line 98 (Fig. 1) which communicates with a pump 1 99 and has a check valve 100 interposedtherein. From the pump99 I provide a pipe line extends above the pump barrel where it has one end of an arm104 secured thereto. The other end of the arm is secured to a downwardly extending rod 105. Adjacent the lower end of the rod 105 I secure a collar 106 and adjacent the arm 104 I provide a collar 107 which is movable on the rod and adapted to be retained in an adjusted position by a set screw 108 (see Figs. 1 and 3). Secured to the bottom 60 of the cage 21 I provide an arm 109 which is apertured to surround the rod.

105 andis adapted to engage the collars 106 and 107. On the upwardtravelof the cage 21 the arm 109 engages the collar 107 thereby moving the rod 105, arm 104 and the piston.

103 upward, actuating the pump to draw fluid from the container through the pipe line into the pump barrel. The length of stroke and the consequent amount of fluid drawn into the pump barrel may be regulated by adjusting the collar 107 to the desired position on the rod .105.

On the downward travel of the cage 21 the arm 109 engages the collar 106and through the mediumof the rod 105 and the arm 104 moves the pump piston 103 downward thereby actuating the pump to force the fluid in the pump barrel out through the pipe line 101 and discharging it into the fluid in the tank. i

To control the elevating actuation of the elevator mechanism 20 I have shown in Fig. 12 a mercury switch 110which is enclosed in acontainer 112 mounted 011 the exterior of the tankand which includes a mercury receptacle 113 mounted on a base 114 secured to a shaft 115" which projects through the rear wall 15 of the tank and has a plate 116 secured thereto. Extending upwardly from the plate 116 I providea rod 117 on which.

a weighted member 118 (Fig. 11) is adjust ably secured and which retains the plate 116 and the switch base 114 in whichever position As shown. in Fig. 12 the mercury switch includes a terminal 119 which is connected by a wire 120 to one terminal of the electro magnetic valve 30 and a terminal 121 which is connected by a wire 122 to one side of a suitable source of electrical energy which is shown as a battory123. The other side of the battery is connected by a wire 124 to the other terminal of the valve 30.

Thus it will be seen that when the switch is in a position wherein the mercury engages both the terminals 119 and 120 electrical energy will be conducted to the valve 30 thereby actuating the-valve to an open position whereupon the cage 21 will move downwardly as previously described. When the switch is rocked to a position wherein the mercury does not contact with both of the terminals 119 and121 the electric energy ceases to be conducted to the .electro-magneticvalve 30 whereupon the valve closes and the cage is raised as previously described.

For rocking the plate 116 to operate the switch 110 to cause actuation of the valve to lower the cage 21 I provide an arm 125 (Fig. 5) which is pivotally supported intermediate itslength on an arm 126 secured to the under side oi the bottom 60 of the cage. the-arm 125 adjacent the back wall 15 of the tank is provided with an upstanding post 127 and the opposite end of the arm is slacklyconnected to an upstanding post 128 which is positioned in an apertured arm 129 secured to the bottom 60 of the cage and on the upper end of the post 128 I provide an enlarged head 130.

When the cage 21 is in a raised position the bottom 60 thereof is below the top of the roller 66 and the head 13.0 is also below the top of the roller so that as a box passes over the roller into the cage it does not contact with the'head 130 until the rear end of the box haspassed offtheroller 66 whereupon it engages the head 130 and moves it downward. hen the head 130 is moved downward the post 128 rocks the arm 125 thereby moving the post l27 upward, which in turn rocks the plate 116 to actuate the switch 110 to operate the valve 30 to an open position whereupon the cage 21is lowered as previous ly described.

For actuating the switch 110 to close the valve 30 I provide a bracket 132 which is secured to the cage 21 which includes an apertured arm 133 in which I-position a threaded rod 134. At the lower end of the rod 134 I provide a weighted member 135 and for adjusting the distance the weighted member 131 extends below the arm 133 I provide a lock nut 136.

its the cage 21 reaches the limit of its downward movement the weightedmember 135 engages the plate 116 and as the cage continues to move downward the weight of the member135 rocks the plate 116 to causethe switch 110 to actuate to operate the valve 30 toa closed position whereupon the cage 21 is raised as previously.described.

The end of To move the box oil? of the head 130 ofthe device while the cage 21 is" lowered I provide a latch 138. As shown in Figs. v9 and 10 this latch includes an arm 139, which is pivoted as at 140'to the end 17 of the tank 13, and an upstanding finger 141. The pivot 140 is positioned-s that the arm 139 is unbalanced and normally assumes a tilted position wherein the finger 141 projects above the top of the roller 66 and prevents a box on the conveyor 65 from entering the device as shown in Fig.9. For operating the latch 138 to allow a box toenter the device I'provide anarm 142 which is secured to the bottom 60 of the cage 21. As the cage 21 reaches the. limit of its upwardtravel the arm 142 engages the latch arm 139 and as the cage.

veyor'65 as shown in Fig. 10.

For. s'teadying the elevating mechanism during the operations thereof I provide a plurality of guide rails 144 which are adapted to be engaged by the members 62. r

' For limiting the upward movement of the cage .21 I provide a pluralityof brackets 145 which are secured to the tank sides. and which are provided with threaded apertures in which threaded bolts 146 are positioned and which are'adapted to be retained in an adjusted position by lock nuts 147.

For replenishing the fluid take-n trom the tank by each box I provide aicontrol mechanism indicated generally at 150 (see Figs. 2, 4 and 6). As-shown this-device comprises a tank 151 secured-to the exterior of the tank 13 and which is in communication with the interior thereof below the fluid level by means of a passageway152 as clearly shown inFigs. 1 and 6'. The fresh fluid is conveyed to the device by a pipe line 153- which extends through the tank 151' wherein it is provided with a control valve 154 which includes a valve stem 155.

For operating-thestem 155 I provide a rod 156 which is pivoted at oneend to the tank 151-as at 157. On the opposite end of the rod 156 Iprovide afloat 158 and intermediate the length of the rod 156 I slackly connect moves upward thereby closingthe valve 154.

From the tank 151 the pipeline 153 extends towards the end 17 of the tank 13 where it turns upwardly and doubles back on itself and terminates. in a stand pipe 160 as clearly shown in Figs. 3, and 6. The vstand'pipe 160 is provided with a plurality of T fittings 161 from each of which a pipe 162 extends through the rear wall of the tank 13 into the tank to a point adjacent the solid face 6 of the cage 21.

Interposed in the return portion of the pipe line 153 I provide a controlvalve 163 which includes a valve stem 164. This valve stem extendsthrough the tank wall 15 into the tank 13 where it includes an angular arm 165 which extends towards the tank end 17 into the path of the arm 125 of the cage trip mechanism. V

aFor normally retaining the valve 163 in a closed position and the arm 165 tilted downward I providefan arm 166 on the valve stem. To the end of the arm 166 I secure one end of a coiled spring 167, the other end of which is suitably anchored to the back 15 of the tank .above the arm166 (see Fig. 11).

The valve163 remains'closed at all times except when the end of a box engages the head 130 and operates the trip mechanism to actuate the switch to cause the cage to lower. As the rear end of the-arm 125 moves upward to tilt the plate 116 it also rocks the arm 165 out the valve stem thereby opening the valve 163 whereupon'the fluid in'the pipe-line 153 is discharged through the pipes 162.

For maintaining the fluid level in the tank 13 below a predetermined point I provide an overflow pipe 170 which opens into the tank as at .171. i v V In operation the tank 13 is filled with fluid to the level indicated by the dotted line in Fig. 1. and thecontainer 96 is filled with the treating solution, the cage 21 being at the bottom of the tank and the plate 116 being in a position wherein the switch 110 is in a position'wherein the valve isclosed and the latch 135 being'in position to prevent boxes from entering the device.

The motor .37 is then started which operates the pump 25 to draw fluid from the tank 13 and forces it through the pipe 26 into the pipes 31 and and into the cylinder 23. As the valve 30 is closed the fluid pressure forces the piston 22 and the cage 21 upwardto a raised position as shown in Fig. 1 where it is ready to receive a box from the conveyor-65. As the'cage 21 is raised it actuates the latch 138 to allow a box to enter the cage as previously described. The box passes from the conveyor onto the roller 66 which moves it into the cage 21- and as the end'of the box leaves the roller it'engages the head 130 of the trip mechanism and rocks the arm 125 which simultaneously actuates the switch 110 to'open the valve 30 and rocks the arm 165 toopen the valve 163.

When the valve 163 opens the fluid inithe pipe line 153 is discharged through the pipes 162, the ends of which form spray nozzles which are adapted to distribute the .fluid over the entire inside of thebox through the center aperture 61" in thesidefll of the cage. When. the valve opens the fluid pressure in the cylinder23 is released and the cage 21 lowers: As the cage21 lowers the perforated portions 29, 33-and 36 of: the

pipes 28, 31 and35 direct the fluid discharging therefrom through the apertures 61" in the cage side 61. The fluid discharging from the pipes 33 and 36 is directed towards the far corners of thebox and theforce of the fluid discharging from the pipes 29, 33 and i i the cage which cover theopenings 59 in the bottom of the box and the buoyancy of the box raises the box against the members 64:

on the top of the cage which cover the openings 59 in the uppermostside ofthe box, thus preventing the fluid from flowing through the openings 59.

When the cage 21 reaches the limit of its downward travel the weighted member 135 actuatesthe switch 110 to close the valve 30 as previously described, whereupon the cage 21 is raised.)

011 each lowering and raisingoperation of V the cage 21 thepump 99 is actuated to discharge a predetermined amount of the treating fluid in the container-96 into the fluid in the tank 13 as previously set forth. The amount of the treating fluid discharged into V the tank 13 on each complete operation of the elevating mechanism is preferably equal to the amount it is calculated each box removes from the tank 13 so that the'strength of the mixturein the tank remains'substantially the same at all times.

When the box in the cage has been submerged and then raised the latch 138 allows another box to enter the device from the conveyor mechanism 65. As this second box enters the device it engages the first box in the ca e and moves itonto the cradle 81.

g tam a treatlng solution and means operable As the box passes over the roller 70. the protuberances 71 thereon strike the box and jar the same. I

When the second box has actuated the trip mechanism and the cage 21 moves downward the arm 93 on the cage moves out of engagement with the arm 92 on the cradle shaft 87 whereupon the cradle tilts as previously described allowing the superfluous fluid on the box to drain back into the tank 13.

After the complete submerging and raisfromits top position.

ing of the second box a third boxentersthe .devicelfrom the conveyor 65 and as it does so it engages the. second box in the cage and :movesiit onto the roller 7 Q which moves it onto the cradle and into engagement with, the first box whereupon on .further move .ment of the second box the first box is moved oil of the cradleonto the conveyor 95.

,-This\device :is particularlyadapted for treating orange and lemon field boxes to.

bugs, etc.,which might be on the box or in the crevices or knotholesof the boxes. The mealy bug is the most diflicult to kill because it enters the smallest cracks of the wood and lays its eggs as far back inthe" cracks as possible. For this reason it is desirable toallowthe cage 21 to bump when it reaches thebottom of'its stroke so that the box receives a jar and as the box passes over the roller it receives a multiplicity of jars from the protuberances 71 on the roller 70. 1

I have found that even if the solution completely surrounds a mealy bug the bug is frequently unharmech'but by jarring the box the fluid surrounding the mealy bug is disturbed and the'skin of the bug is agitatedand renderedsuch that the fluid will penetrate the bug and kill it. "a

From the foregoing description it will be apparent that I have invented an improved submerger which is highly eificient inoperation. i

What I claim is:

"1. In an article treatingdevice, a tank adapted to contain a predetermined amount of fluid and an amount of solution,means to immerse an article in said tank below the fluid level therein, means to automatically replace'fluid insaid tank takenout by said article and means to automatically replenish the amount of solutionin the tank.

2. In an article treating device, a tank adapted to contain a predetermined amount; of fluid, means to supply fluid to said tank, elevator means to lower an articlein said tank below the fluid level therein, and to thereafter raise said article abovethe fluid 7 level therein, a container, said containerr; being independent of said fluid supply means, said container being adapted to'conupon lowering and raising of said article to deliver a predetermined amountof said so 1.

lution from said container into said tank.

31 In; a device of the class described,'a tank, an elevator in said tank, meansenabling said elevator to be lowered andto'be raised, means to feed an article to saidele-:.

vator when said elevator is at its top position, and means to prevent operation'of the feeding means when the elevator is away 4.In'ardevice, of the class described, a:

y Scale: mold, :fungus, Vermi cage, power operated means to delivera concradle-beingftiltable, means to convey a container to said cage, means operable to cause said cage to be lowered and to later cause said cage tobe raised, means-to convey said container from said cage and means to tilt the container.

5. In a device-ofthe' class described,a tank, a support in said tank adapted to receive a container, means to cause said support to be lowered said means operable upon the limit of the downward travel of said support to cause said support to be raised,

a cradle, said cradle being tiltable and means to convey said container from said support to said cradle. j

6. In an article treating device, a tank,

said tank being adapted to contain a prepredetermined amount of said solution from said container to-said tank.

7. In a device of the class described, a

tank, a cage in said tank, means to raise and lower said cage, means to deliver a container to said cage, means operable by the container to cause said cage to be lowered and then raised, a cradle, said cradle being tiltable, means to convey said container from said cageto sald cradle, means operable upon the downward travel of said cageto tilt said cradle and upon the raising of said cage to cause said cradle to resume its normal posi-' tion and means to convey said container from said cradle.

8. In a device of the class described, a tank, a cagein said tank, means to raise and lower said cage, means to deliver a slatted container to saidcage, and means, on said cage to cover the space between the slats of said containers.

'9. In a device of the class described, a tank adapted to contain a treating solution, means to deliver a hollow container to said tank, c

means to lower the container below the fluid level in said tank and to then raise it, means whereby one of said two mentioned means is actuated by a change in position of said.

container, means to spray'theinterior of said container .with fluid before it is lowered and means to convey the container from the.

tank.

'10.-In a device of theclass described, an elevator, means to raise and lower said elevator, means to deliver a container tosaid elevator,rmeans operable therfollowing end portion ofsaid container to cause'operation of said first-means, a' cradle, saidmeans to tainer from said elevator to said cradle and jar the container while being conveyed. I

11. In a device of the class described, a tank, an elevator mechanism in said tank, said elevator including a cylinder, a piston in said cylinder and a carriage supported by said piston, means to conduct fluid under pressure from said tank to said cylinder,

means toconduct fluid from said cylinder to said tank, said last means including a control valve, said valve including a by-pass whereby when said valve is closed a predetermined amount of fluid may pass through said conducting means into said tank, said valve when. closed being adapted to restrict the flow offluid from said cylinder whereupon said piston is raised by the fluid pressure and said valve when open allowing the free passage of fluid from said cylinder through said conducting means to said tank whereupon said piston lowers, and means to control said valve. I

12. In a box sterilizing device, a tank,

means to deliver an article into the tank, means to transport an article away from the tank, said tank being adapted to contain fluid and means to deliver fluid under pressure greater than that'of the fluid pressure in the tank into said tank so that it passes into and through an open box in said tank.

13. In a box treating device, a tank, means to support an article in said'tank, a pump,

means connecting said pump with said tank to drive fluid under pressure greater than that of the fluid pressure in the tank, into the tank, so that it passes into and throughan open box in the tank, said'pump having an inlet pipe, said inlet pipe having a suc tion portion disposed at the fluid level in said tank, whereby the fluid forced into the box is drawn from the surface of the liquid in the tank in which the box is immersed.

In-testimonywhereof, I hereunto afiix my signature.

CHARLES BQ COOK.

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