US1827004A - Agitator - Google Patents

Description

Patented joa. 13,.y 1931 l STAT-.ES PATENT .orpi-cs f.,

.sai/rutina. GIBSON, oFfLAxEWoon, 01110, Assiette-nro @ANN-.E3 {MANUFACTUR- :me eoMnANY, for cL-nvnnmvn, onin,a.conrclife'riiclv [er 01,131.0

Asmara?. l

i Application" inea Aagiist 15,1929. serial No. ,$56,198.

This invention relates'to agitating devices,

and more particularly'to agitatorsof the collapsible Sty-pe, such as `areused in containers for mixing or stirring the contents.

Anl object of this an improvedform of agitator which can be manufactured at very low cost.

Another object of this invention is to provide an agita-tor of the collapsible type in which means is provided for maintaining the agitator paddle .in position for most efficient operatlon.

Other objects and advantages of this inventionA will be apparent from the following 15 description taken in connection with the accompanying 'drawings in which:

Fig. 1 is a'side elevational view, partly in section, showing the agitator of my invention in operative position within a container;

Fig. 2 is a fragmentary sectional view showing the manner in which my agitator is inserted into a container;

Fig. 8 is a sectional view taken on line 3-3 of Fig. l;

Fig. f1 is anelevational view, partly in section, showing the sleeve used in the container opening; and

Fig. is a showing another 30 agitator.

Referring-now to the drawings in detail, in Fig. 1' I show a container v10 in which the agitating device of my invention has been mounted. The container 10 is shown, in this fragmentary elevational view manner of supporting the instance, as a bilge barrel, but the form of container in which my agitator is adapted to be used-iis not an essential feature of the invention., Such containers are invariably prof vided with a threaded opening 11 at the cen- 40 ter of one of their end walls or heads, and it. lis through this opening that my agitator isv inserted and operated.

y The agitator, as shown. in the drawings,

comprises a shaft 12 which, in this'instance, V415 1s squarein cross-'sectional shape, a paddle 13 connected to theshaft adjacent one end thereof, and a sleeve shaft and paddle in position yfor efficient operation. For connecting thel paddle to the shaft, I provide the socket member 14 which invention is to provide 'ing the agitator shaft.l This sleeve'is lpro-l vided withl a4 recess '20 in :its upper end yinto rtthe s'quareagitator'shaft when-the shank is inserted in'the' recess ofthe lsleeve 19. The

-vlie along the shaft .12 nan inoperative posilth'eaddle 13 strikes 'theff'bttomwfll of l the container, the paddle -rotates about rits. Apivot for maintaining theV receives oneend ofthe yShafft 12a-ndlissecured thereto bymeansof'the pin 15. "The'lower endy of 'the' A'socket member is shaped to pro- `vide a Ei at',offset yportion 16 -to which :the

paddle lis secured by -fme'ans o'f yfthe fp'ivotypin ,55

1'7. The paddle blades 15" are inclined or twistedy so that, Iin form, thepaddle resembles ascrewf'propeller. In mounting the ypaddle onthe ysocket member,fthepivot1pin 17 ismadeftoipassthroughithe center ofthe paddle .0 soith.atalthough the paddle-i-srotatableupon thisl pivot pin, 'it will always/*be .in abalanced condi-tiem that is to say,`;in stable? equilibrium. j IFor supporting the paddle and maintaining the l same in position vfor efficient oper-ation, I providean elongatedibushing or sleeve 19 Vwhich is screwed into the'threailed lopenn ing' 11 with-the elongated p ortion '19 extending intothecontainer andlocsly'surroundwhichLthe--square agitator shaftzextends. "The bottom of "this v@recess forms shoulder `'21 Iv,upon which lthefpaddie *and shaft=are @suspended-by'means'ofthevvasher' and the pin 2F15 ifea agitator shaft and pad'd'le. n provided lwith a handle '125 and a 'shank Q6- crank 24 isprovided forrturning ythe y rhis vcrank is having `vasocket QWhichV receives the end f of sleeve l19 serves as -a 'bearing for-the agitator `sh a"ft', ipreventing wobblin'g of the-paddle 13,

and maintaining the agitator in Jprosper alignment .withthe axis of 'the :container lregaril- J- less the ,position in vwhich ithe container may be.;v j 'To insert't'hefagitator into the-container, the.pa'dtlle`131srotatedupon'itslpivotqiinftoV no tion, asl .shown in :FigA 2. j Witlrthepaddlein this inoperative position, the agitator is in-H sertedtbroujgh the opening 11r4 andlowered into the 'con-tainer. V-'hen the 'loweren'd -of pin from the inoperative position, and =as v sumes' the operativejposition-shownun Fig. 1,

. bodimentof my invention, l

er, the sleeve 19 is slipped onto the shaft, after which the washer 22 is placed on the shaft' and the pin 23 is driven through the shaft. After the paddle has been lowered into position in the container, the sleeve is screwed into place in the threaded opening' l1, thus holding the paddle in suspended posit-ion just above the bottom wall of the container.

lf desired, the agitator may be supported upon the bottom wall of the container rather than suspended from the top wall as shown in Fig. l. rl`his arrangement is illustrated in Fig. 5, which shows the soclet'member 14 provided with an extending tip 2S which is received in the recess of the bearing plug screwed into the bottom wall of thecon` tainer. ln 4this arrangement, the washer 22 and pin 23 which are used in the suspended form are omitted, and the loose connection between the agitator shaft and the sleeve per` mits longitudinal vmovenfient of the shaft, so that the agitator will always assume a posi tion with the tip 28 in contact with the bot-- tom wall of the container, there-by always positioning the paddle close to the bottom surface of the container, where it will effectively stir up deposited sediment. With this arrangement, bulging of the end Walls or heads of the container does not materially affect the alignment or positioning of the paddle for efficient operation.

The upper end of the shaft, which extends inte the sleeve, preferably terminates below the threaded part 30 of the recess 20 so that a. plug 3l may be screwed into the sleeve to form a. closure for the container when the crank 24- is removed and the agitator is not being used, thus permittingthe agitator to be retained in the container during shipment.

U pon rotation ofthe shaft and the paddle 13 by means of the crank 24e, the propeller shape of the paddle causes a positive movement of the vcontents of the container which insures a thorough mixing and lrneading.

lt will now be apparent that l have provided a very simple form of agitator which -canbe quickly and easily inserted in folded form through the opening of a container, and unfolded within the container by contact ofthe agitator with the wall of the container. The agitator of my invention can be manufactured at low cost, and can be installed in a. container without the need of special-tools or exercise of unusual skill.

vWhile l have disclosed the preferred emdo not intend to limit myself to the exact details shown and described, but regard my invention as including such `niodifications and changes as come `within the scope of the appended claim.

Alrlaving thus described my'invention, I claim:

In an agitator of the type to be inserted through axcontainer opening, the combina.- tion lof a shaft, a paddle having a central portion with blades extending laterally therefrom in opposite directions, a single means for maintaining said shaft in alignment with the axis of said contain-er comprising an elongated sleeve extending into the container around said shaft and having one end thereof secured in said opening. and means connecting said shaft and said paddle whereby the latter is movable from a position substantially parallel to said shaft to a position at substantially right angles to said shaft, said connecting means comprising a member having a socket portion adapted to receive the lower end of said shaft and an integral flattened portion to which the central. portion of said paddle is pivoted.

ln testimony whereof, l hereunto affix my signature. g

SAMUEL lvl. GIBSON.

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