US2579874A

US2579874A - Paint stirrer and blender

Info

Publication number: US2579874A
Application number: US113061A
Authority: US
Inventors: Anne S Shaw
Original assignee: Individual
Current assignee: Individual
Priority date: 1949-08-30
Filing date: 1949-08-30
Publication date: 1951-12-25
Anticipated expiration: 1968-12-25

Description

Dec. 25, 1951 A, s, SHAW 2,579,874

PAINT STIRRER AND BLENDER Filed Aug. 50, 1949 Patented Dec. 25 1951 UNITED PATLEN OFF ICE STMRRER AND BLENDER AlnneS. Shaw., Philailelphia,fla. Applicaticnmwto, 1949..;Serialrlo. 113,061

(CMMS-1mi) This invention relates to devices for .stirring .and blending viscous material, .such as paints,

`ing the various color pigments of ,paintsandpaint products, and which device by reason ofthe construction, combination u.and .arrangement of lits essentialcomponents, lends itself .to Lready afpllication to the paint canor container either ,as .a .more or less permanent part of .thelid theredfso that the mixing and `blending may The accomplished while the can or container remainsubstantially hermetically sealed, .or .as ...a separate attachment Vfor removable .application ,to .an open can er container to `be `supported in .operative position yfrom the rim .o r upper .end of ,the container.

The device of this invention when installed when the container 'is filled .and sealed, will in nowise interfere .with the ,airtghtnessof'the container or with the stacking thereof for storage and shipping, andalso permits the container to remain hermeticallysealed until it is desired yto use the contents thereof.

. The invention, together with the above and other objects thereof, will 'be best "understood When the `following detailed description iisiread with reference to the accompanying drawngsin which are illustrated what are `presently considered preferred .embodiments of ithe invention, and wherein:

Figure `l is a top .plan'viewoffaipaintcanfhaving one form of myinvention applied thereto;

Figure 2 is a vertical Vsectional view through'ithe hermetically sealed can and lfurther illustrating the application of 'the 'invention thereto -witli the parts shown imposition occupied `fior "storage and/or shipping purposes;

Figure 3 is affragmentary vertical sectionalelevational view taken substantially on Aatheline '3 3 of 'Figure "1;

,Figure 4 is a fragmentary A'detail `sectionalelevational-'view illustrating therapplication oiithe 'invention' toiacan Aegu'ippediwit-h'-thereoiwentional lid and showing `the Vcrank'iz'tndihan'dle applied -`to the A shaft of the 4paddle forming 'part of the `invention and Figure 5 `is 'a rview 'somewhatrsirllarito Tl'suro 4 :butshowing vthejinvention as ,applied to a fric- Jtion top typeof can and with .the Aopening in the :top .tor .accommodating the .handle shown in sealed condition.

In .general the improved s tirrer and blender .comprises a bearing member `adapted to `be attached, in a manner 1hereinafter more Vfully explained, to `a suitable support, Such as for ex- .ample ,the lid or `top of a can or a plateadapted to rest on andbesuppertedfrom .the rim or upper -end ,of theeontainer, a shaft having its upper end 4journaled .in ,the bearing .bracket and `a paddle mounted on the `shaft to rotate therewith and characterized by oppositely .disposed longitudinally .twisted vertical blades and a horizontal A.blade .bridging the .vertical `blades .and secured to the latter at `the llower ends thereof. Suitable A,handle means .isalso provided .for the'shaft of Vthe stirrer l.or blender for rotating the vlatter to Yeiecta mixing or blending ofthe contentsof the `can Ain which .thestirrer or .blender is placed.

Referringnow in detail to Figures lto 3, inclusive, of the drawings, it .will ,be seen that there Aistherein.illustrated the usual `form of container .orcanforpaint varnish and similar coating `surfaces. Thecan, therein designated `by the referencenumeral ,ID is .ein this instance shown as provided with gaclosure orlid Il having an upstanding ,peripheralrirn from which extends a ilange A2. ,fIjhe lid I ,I .telesccpicallyiits within the upper end ...of .the ,can l0 with Vthe flange l2 seating fagainstftheilange 13er the-can, the lid andwcan :thus co-acting to `form ia .substantially airtight seal for the can. In applying the invention to this ftype ,of :can and ,lid therefore, .the Abearing bracket M 4,of ,thestirrerforblender is welded or `1o,ther/wiserSecurecitof-the underside o f ithelid Il. The bracket t4, Aas showrl, ,is substantially U.- fsha-ped .withthe legs:thereofmereinginto lateral flanges .for `extensions `that ;t;1lat1y against the underside .of the slid .lil and Secured ,thereto 1irl .the ,manner .indicated Also .in @accordance "with this Ainvention the lid :H @of @themen .ris constructed :with a :departure from the conventicnahhyzhaving in the center vthereof `:an #opening .175 through .which access is lmdftoiithe shaft I6 of'z'therstirrer.orzblender. Also in Lline-iwith theopening 1 l-5 `.the lid Il ,is provided vat ithe underside thereof `witha Awell I 1, the pe- .an-opening 1 that lis iin qalignment -vwith ,the .opening I5 in the lid II and with an opening pro and surrounded parts, so that this seal, while normally rigid will release the shaft,,|6 .when sufficient torsional force is applied-thereto. i Alsofor purposes of transportation and storage,"the y opening I5 in the lid II is normally sealedwby .am y. disc I9 of solder or other suitable soft materiah which may be readily ruptured to permit access to the upper end of the shaft I6 when lt is desired 'to manipulate the stirrer and blender.

Mounted on the shaft I6 for rotation therewith is a paddleoomprising a cross member 26 that intermediate its ends is securedl tothe shaftl I6,

and at its opposite ends is provided with depending or vertical blades 2|2I. The blades 2| at their lower ends are bridged by a horizontal blade 22. Preferably cross member 2i) and blades 2| are formed from a single length of metal bent into a substantial U and the parts thereof forming the blades 2| longitudinally twisted as shown. The blade 22 is formed from a single length of .metal and at its opposite ends is riveted or other- Wise securedv to the lower ends of the blades 2| as at 23. Also to provide a rigid structure, the

lower end of shaft I6 is flattened and intermediate its endsl theblade 22 is riveted or otherwise secured as at 24'to the flattened end of shaft I6.

The lower longitudinal portion of blade 22 is slit transversely intermediate its ends and they edge portions of the blade at opposite sides of` the slit are angularly projected relative to the blade and in opposite directions with respect to one another as clearly shown in Figure v3.

A paddle having a blade assembly as just del- Y scribed and which characterizes this invention:

has been found to provide most efficient stirring action, the angular edges of blade 22 serving to lift the heavier material from the bottom of the can and the longitudinally twisted blades 2| cutting through the heavy or viscous solution all in a manner to effect a thorough mixing and blending with minimum physical effort on the part of the user and within a comparatively short period of time.

The upper end of the shaft I6 is squared or otherwise equipped as at 25 to accommodate an actuator for the stirrer. In the present instance the actuator consists of a lever or crank 26 provided at one end with a socket 2'I complementing the end '25 of shaft I6 to receive said end of the shaft for effecting a positive engagement lof the crank or lever 26 with the shaft. At the opposite end thereof the lever or crank 26 is provided with a threaded opening to receive Ithe threaded end of a handle 28 as shown in Figure 4.

For storage and transportation purposes, the crank or lever 26 and handle 28 maybe secured to the peripheral wall of the can I0 in any. suite able manner, as for example by the use of solder 29, 36, as shown in Figurel. .I if

In Figure 5 the invention, as just d Vvscribehis shown as applied to a can lid or top 3| of the well-known friction type. A comparison of yFig*- ures 2 ancl5 will readily showfthattheinvention is applied to the friction top lid 3| of Figure 5 in substantially the identical manner in which it is applied to the conventional top I I of Figure 2.

From the foregoing, it will be apparent that when it is desired to stir the contents of the can I0, the frangible disc I9 is readily broken, whereupon the socket 2'I of crank 26 is passed through the opening I5 and engaged with the end 25 of shaft I6. Handle 28 is then readily secured in position ron .the lever '26 'and' when sufficient strength isapplied to rotate shaft I6, the seal I8 will release the shaft I6 to permit rotation of the '.,stirrer to agitato the contents of the can for y mixing and/or blending purposes.

Fromthforegoing, it will also be apparent .that in each form of the invention the stirrer may be movedA up and down while being rotated,

"thus allowing lthe device to be used and operated in conjunction with cans of different depth; and also that, if desired, a selected end of lever 26 may be tapered or sharpened 4for insertion be tween the upper edge of the can and the flange I2'of top I I or ange 35 of top 3 I ,as the case may be, so that the crank '26 may be used for removing tail in its presently` preferred embodiments, it

will, of course, be understood that such has been Vdone for purposes of illustration only and not by 'Way of limitation, Vand therefore only such limita tions are to befimposed thereon as may reasonably come withinV the scope of the appended claims.

. What I claim is:

. 1. A paint stirrer and blender comprising means to support it in operative position on a container and embodying a bearing member and a well disposed above the bearing member and having a wall provided with an opening therein, a roltatable paddle including an actuating shaft hav- ,ing an upper end portion journaled in the bearing member and projecting into the `well through theopening in thewall vof the latter, manually operated means for actuating the shaft and means, comprising a solder joint, forming a normallyrigid hermetic seal between the shaft and thesurrunding wall of the well, adapted to release the shaft upon the application of torsional l,force thereto.

2. .The combination with a container, a re 'movable metallic closure therefor having an opening in the center thereof and a well below the opening provided with a bottom wall having an .opening in .alignment with the first-mentioned opening, a rotatable stirrer having an actuating shaft projecting into the well, a solder joint forming a'lnormally. rigid hermeticseal between the shaft and the surrounding wall of the well adapted torelease theshaft-upon application of torsional force thereto, andafrangible disc normally closing the opening in the closure and adapted to be ruptured tofpermit anY operating handle to be passed through said opening for engagement with the actuating shaft :for applying torsional force thereto to release androtate the stirrer.

. SVA paint V,stirrer and blender comprising in combination with acontainer, a removable closorgie? teegegief .PFW-1aed in the Center there 5 of with a Well, a substantially U-shaped bracket secured to the underside of the closure and having the bight portion thereof in axial spaced alignment with the bottom of the weil, the bottom portion of the Well and the bight portion of the 5 bearing having aligning openings, a stirring element having an actuating shaft extending through said openings and terminating at its upper end within the Well, and a solder joint forming a normally rigid hermetic seal between the actuating shaft and the surrounding wall of the well adapted to release the actuating shaft upon application of torsional force thereto.

ANNE S. SHAW.

REFERENCES CITED The following references are of record in the le of this patent:

Number Number 6 UNITED STATES PATENTS Name Date Schafer Juiy 23, 1907 Pledger Dec. 27, 1910 Tomlinson May 5, 1914 Landsberg June 22, 1915 Richman Mar. 15, 1927 Keselback Apr. 2, 1929 Schlageter et a1. Feb. 11, 1930 Shaw Sept. 12, 1933 FOREIGN PATENTS Country Date Australia June 22, 1938