US2524628A - Soft drink mixer - Google Patents

Description

Oct. 3, 1950 B. A. JODY 2,524,628

SOFT DRINK MIXER Filed June 16, 1948 3 Sheets-Sheet 1 '35 41 27 .39 I L 3 I I 24 37 4o INVENTOR. Boms A. Joby Oct. 3, 1950 B. A. JODY 2,524,628

SOFT DRINK MIXER Filed June 16, 1948 3 Sheets-Sheet 2 IN! 'EN TOR. Bows A, Joby Oct. 3, 1950 B. A. JODY 2,524,628

SOFT DRINK MIXER Filed June 16, 1948 3 Sheets-Sheet 5 INVENTOR. BOP-5 JUDY Patented Oct. 3, 1950 UNITED STATES PATENT OFFICE SOFT DRINK MIXER Boris A.,J ody, New York, N. Y.

Application JunelG, 1948, Serial No. 33,427

This invention relates to new and useful improvements in power-driven mixersor beatersv of the type including a portable standard adapted to be rested on a store counter or on any shelf,

table or other surface anywhere, said standard,

mounting at its .top an electric motor for whirling a spindle dependent therefrom and carrying a beater or beaters, and said standard also having an element on which the bottom of a container may rest and also means for temporarily holding said container in fixed position with the beater or beaters immersed in the liquid within the container.

A feature of the invention is an improved electric switch contained in a cavity within the standard, such switch normally open, but automatically closed by the weight of the container and its contents with the container temporarily attached to the standard as above.

Another feature of the invention is an improved combination of motor, bafile and cooling fan, all in the motor housing, and, in association therewith, improved means in part carried by the bafile, in part carried by the interior of the casing and in part incorporating inexpensive, rugged. and easily assemblable and disassemblable members; one of such members being a special truss, this overlying the motor, and another of said members being a special bridge, this underlying the motor: and overlying the bafile, with the latter interposed between said bridge and the fan 7 and. with the fan below the baffle.

For further comprehension of the invention, and of the objects and advantages thereof, reference will be had to the following description and accompanying drawings, and to the appended claims in which the various novel features of the invention are more particularly set forth.

In the accompanying drawings. forming a material part of this disclosure:

Fig. 1 is a side elevation, showing a container attached to the standard, with the beater means in. the container as in readiness to. perform a mixing operation; the standard being partially broken away and partially in section to show various parts therein.

Fig. 2 is a fragmentary rear elevation of .the standard, showing the upper portion thereof.

Fig. 3 is a perspective View of oneof the parts in the standard.

Fig. 4 is an enlarged showing of other'part in the standard, these parts incorporating theautomatic switch aforesaid.

Fig. 5 is mainly an axial sectionalview through the motor housing, with its cap in place andi'with 8 Claims. (01'. 172-36) its equipment therein; the section plane. being substantially that indicated by the line 5-5. of Fig. 6'.

Fig. 6 is a top plan view of the housing, with the cap removed, and omitting said equipment.

Fig. 7 is a vertical section, taken on the 'line 1-1 of Fig. 6.

Fig. 8 is a bottom plan view of the housing cap.

Fig. 9 is an exploded view, showing the truss in perspective and also a pair of motor steadying auxiliary members interposed between the truss and the top of'the motor.

Fig. 10 is a perspective view or the baffle.

Fig. 1 1 is a, vertical section, taken on the line l|ll of Fig. 10.

Fig. 1 2 is a top plan view of. thefan.

Fig. 13 is a section taken on the line |13. -l 3 of Fig. 12.

Fig. 14 is atop planview of a heater.

Fig. 15. is a section taken on the line l5.la5 of Fig. 14.

Fig. 16 is an edge elevation of said beater.

Referring to. the drawings more in detail; in

5 Fig. 1 a now preferred form. of standard is indica-ted. at 20:, the same being largely hollow as shown in Figs; 1: and. 2. The motor housing, marked 2|,has a removable cap 22; The housing 2|. is secured, as by two screws 23, to; the standard 20. at a, top: plate portion: 24 thereof, laterally arched. to fit the external lateral; totundity of the housing 21: opposite apertured pad formations therein indicated at, 25. in. Figs. 6 and 7.

In Fig. l the container, 26,,is shown as seated at its bottom on a rest 21 and; temporarily held on the latter by a clip 28;.

The rest 27' projects throughan aperture 29 in the front wall of the standard and; (see also Fig. 4) is part of a springestrip member 30; bent to establish a U-loopsas indicated'at 3 I: to provide two horizontali and spaced stretches as shown, and so as also to include a downbent vertical terminal portion 32. The member 30, and also an. L-shaped spring-stripmember 32, carryinga grommet 33, are anchored to and within; the standard Z-El as by a pair of bolts'34 and attendant washers and nuts as illustrated. The member 3611s so resiliently biased thatnormally the said two horizontal stretchesthereof are spaced as shown in Fig. 1, so: that a pair of contacts 35. andv 36; mounted thereon are normally out of engagement. Said contacts are insulated from the member 30; each by a flat washer 3'!- or 38? of insulating material and: by a collar-including or it of insulating material. Each and 36 has secured thereto terminal di or Q2 of familiar type.

The clip 28 projects through a vertically elongated slot in the front wall of the standard 20, this clip being part of the horizontal limb of an L-shaped metal strip, the vertical limb of which depends within the standard. Secured with the standard as at 44 is a strip-metal member 45 having a tongue 46 struck out therefrom and carrying at its bottom a pin 41 (see Figs. 1 and 3). In said member, as a result of striking out said tongue, is an opening 48, this to line up with the slot 43. Between the pin 4'! and the bottom of the clip is a retractile coil spring .9.

The motor-driven spindle 56, here shown as carrying at its lower end two beaters 5| and 52, is of such length, relative to the height of the container 26 and the placements of the rest 21 and clip 28, that the container filled with the liquid to be mixed may be quickly temporarily attached to the standard 20, by first moving the open top of the container upwardly around the spindle and so as to have the container mouth hook in under the clip 28, then further raising the container slightly to cause ascent of the clip against the spring 49, and then swinging in toward the standard the bottom of the container to hook the latter over the rest 21; whereupon the weight of the container and its contents elastically slightly collapses the horizontally extending portions of the member 30 to cause the contacts 35 and 36 to engage and so close the normally open motor circuit.

The two wires from the motor 53 (Fig. 5) passed outwardly through an opening 54 (Fig. 1) in the motor casing 25, and thence through an opening 55 in the top plate 24 of the standard, and thence through the hollow interior of the standard, are indicated at 51 and 58.

One of these wires issues from the standard near the bottom thereof, as by way of an opening 59; and the other of said wires is connected to a wire 65 extended to and soldered to the terminal 45, and passing through the grommet 33. From the terminal 42 extends a wire 6| which, passing through said grommet, is conwasher contact 35 nected to a wire 62, this also issuing through i said opening 5 The two wires thus issuing through said opening may be connected to a plug for insertion in a current supply wall receptacle or outlet.

The motor casing 25 (Fig. 5) is shown as in the form of a casting, as of bronze, cylindrical at its main upper portion and having a bottom portion of substantially hemispherical shape. At the bottom center of the latter is an opening 63 through which is extended the spindle 56.

At each of two diametrically opposite points in the casing 2i is an internal rib formation having a bottom portion 64 providing a shoulder 65 and an upper portion providing a shoulder 61. Downwardly extended from each of said shoulders is a tapped hole 98, and downwardly extended from each of said shoulders 61 is a tapped hole 89.

4 top center of the cap the same has a countersunk aperture '15 through which may be downwardly inserted a screw 16.

The threaded bottom end of this screw is for engaging a, tapped hole in an upwardly extending neck portion 1! of the aforesaid special truss, 18 (Fig. 9), thereby securely to lock the cap 22 on the housing 21, due to the securement of the truss in the latter. Said truss, mounted so that its ends are receivable, as indicated in dot and dash lines in Fig. 8, in the grooves F3 in the cap when the latter is applied, is secured to the housing by a pair of screws '19, these received in the tapped holes 69 after being sent through apertures (Fig. 9) in the truss; the truss being a strip of sheet metal L-shaped in cross-section.

The truss 18, by aid of a pair of auxiliary members Bi and 82, and in coaction with the aforesaid bridge member, this last marked 33, serves to mount the, motor 53 securely in the housing, and in a way for special balancing and centralization of the motor shaft 8i and con-' sequently of the spindle 59, with the latter, together with the fan, 85, secured to the lower end of the shaft 84 (Fig. 5) by a cross-pin 85 sent through the depending hub-portion oi" the fan and also through a tubular upper portion of the spindle which sleeves the bottom end of the shaft 84; it being noted that the spindle carries an annular shoulder 86 on which the bottom of the fan-hub rests.

The bridge member 83 has a central hubportion, this containing a suitable ball-bearing or the like surrounding the motor shaft 84, and a pair of diametrically offset arms 81, of lazy-S extension, each apertured near its outer end. The bridge member 83 is secured in place by screws 88 sent through said apertures and also through underlying lock washers 89 and short collars 96, and thence into the tapped holes 68 in the housing.

Between said collars 90 and the rib formations 64 in the housing which carry the tapped holes 68, said screws 88 pass through apertures (93, Figs. 10 and 11) in the bafile, 92; which latter is a sheet metal stamping having a central circular p g 93, a surrounding horizontal annular floor wall 94, and a twice interrupted conical side wall or skirt 95. At such interrupt-ions, L-shaped legs 96 are formed, the top horizontal limbs of which carry the apertures 9|. It is to be noted that the annular wall 94 of the baflie overlies the seven curved vanes 91 of the fan 85; while the conical skirt portions 95 fit along their tops against the internal surfaces of the housing beyond the rib formations E l-66.

The laminated outer body of the motor 53, comprised of a series of annular disks of magnetic metal, has upwardly extended recesses in its bottom within which the heads of the screws 68 are received. In line with the recesses last-mentioned, said body has a pair of downwardly extending recesses (98, Fig. 5). Referring at this point also to Fig. 9, each of the latter recesses is shaped so as snugly to have lowered into the same one of two pins 99 and H30 each dependent from a bottom boss IN or I02 carried by the auxiliary members 8| and 82. Each of said members also includes, above its said bottom boss, an upstanding boss N13 or I64, each of these having at its upper end a downwardly extending tapped hole I05 or I66.

Each auxiliary member 8i and 82 is secured to the truss 18 by a screw it)? passed through a lock washer" Hi8" andthence through an aperture F09 in the truss; and thence into one of the two tapped holes 69. On theupper endof the motor shaft 84 is a collar structure externally circular in any horizontal cross-section thereof, and contoured as shown in Fig. 5 to include an upper mushroom like portion H and a lower downwardly o'utwardly'flaring portion" H I.- This collar structure l'l0-| H contains therein a ball-bearing'or the like surrounding the shaft 84. Each auxiliary member 8land 82 also includes a bottom-ribbed arm I I2, shaped at its outer end to a compound curvature as shown in Figs. and 9 for-engaging diametrically opposite arcu'a'tely extending portions of the collar structure H d-Hit.

By these arrangements; as willbe noted, the housing cap 22 is simpl'ybut dependably anchored by aid of the truss, the latter through the auxiliary members BI' and 2 coacts with the bridge member 83 for simply yet dependably precisely mounting the motor 53, the improved baflle 92 is held in place by the same screws used for anchoring said bridge member, and the fan and baffle are arranged for optimum cooling by the shape and relationship of the baffle of the fan and the casing.

The spindle downwardly thereof gently tapers towdard an annular shoulder H4, below which the spindle has a reduced cylindrical portion for taking a sleeve H5, and the lower portion of which has a thread for taking a nut H61 This provides a simple and convenient way of mounting the two beaters 5i and 52', both alike. The special shape of such a beater is clearly shown in Figs. l4, l5 and 16, where the beater is shown as of quadrifoliate outline, with each' of the four leaves H1 thereof having a convexly rounded outer end and a root portion concavely' rounded at opposite sides. These leaves are in two sets with the two leaves of each set diametrically opposite each other. The leaves of one set are laterally downwardly arcuately arched, and the leaves of the other set are laterally upwardly arcuately arched. The action of such a beater is of marked efficiency for quick and thorough mixing without surface splashing.

While I have illustrated and described the preferred embodiments of my invention, it is to be understood that I do not limit myself tothe' precise constructions herein disclosed and the right is reserved to all changes and modifications C'OlTling with the scope of the invention as defined in the appended claims.

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

l. A motor and mixing spindle arrangement for a drink mixer comprising, a motor housing, a motor in the housing, a spindle driven by the motor for rotation coaxially with the motor shaft and depending below the housing, a removable cap for the motor casing, a bridge member in the housing below the motor, a baffle in the housing below the bridge member, a fan in the housing below the baffle and secured to the motor shaft, the casing interiorly having two oppositely located rib. formations each having a shoulder at a lower level'and each having a shoulder at a higher level, the bridge member having a pair of oppositely offset arms each overlying at its outer end one of the two lower shoulders, detachable means for securing said arm ends to said shoulders, said bridge member having a central portion sleeving the motor shaft, interengaging means partially carried by the motor and partially constituting thelast-name'd securing means for preventing lateral shift of the motor, a removable structure overlying the motor, and inter-engaging means partially carried at the top of the motor and partially carried by said overlying structure also for preventing lateral shift of the motor, said overlying structure including a truss extended diametrically across the top of the housing and detachably anchored at its opposite ends to the two higher shoulders. I

2'. A motor and mixing spindle arrangement for a drink mixer comprising, a motor housing, a motor in the housing, a spindle driven by the motor for rotation coaxially with the nrotor shaft and depending below the housing, a removable cap for the housing, a bridge member in the housing below the motor, a baffle in the" housing below the bridge member, a fan in the housing below the baiiie and secured to the motor shaft, the casing interiorly having two oppositely located rib' formations each having a shoulder at a: lower level and each having a shoulder at a higher level, the bridge member having a pair of oppositely offset arms each overlying at its outer end one of the two lower shoulders, detachab'le means for securing said arm ends to said shoulders, said bridge member having a central portion sleeving the motor shaft, interengaging means partially carried by the motor and partially constituting the last-named securing means. for preventing lateral shift of the motor; a' removable structure overlying the motor; and inter-engaging means partially carried at the top of the motor and partially carried by said: overlying structure also for preventing lateral shift of the motor, said overlying structure including a truss extended diametrically across the top of the housing and detachably anchored at its opposite ends to the two higher shoulders, the housing cap being of shell type and shaped at its bottom to be there fittable on the top of the housing, said cap having at its top center an aperture and the truss near its center having a tapped hole, and there being a screw sent down through said aperture and. into threaded engagement with said hole.

3.. A motor and mixing, spindle arrangement fora drink mixer comprising, a motor housing, a motor in the housing, a spindle driven by the motor for rotation coaxially with the motor shaft and depending below the housing; a removable cap for the motor housing, a bridge member in the housing below the motor, a bafile in the housing below the bridge member, a fan in the housing below the bal'lle and secured to the m0- tor shaft, the casing interiorly having two oppositely located rib formations each having a shoulder at a lower level and each having a shoulder at a higher level, the bridge member having a pair of oppositely offset arms each overlying at its outer end one of the two lower shoulders, detachable means for securing said arm ends to said shoulders, said bridge member having a central portion sleeving the motor shaft, inter-engaging means partially carried by the motor and partially constituting the last-named securing means for preventing lateral shift of the motor, a removable structure overlying the motor, and inter-engaging means partially carried' at the top of the motor and partially car'- ried by said overlying structure also for preventing lateral shift of the motor, said overlying structure including a truss extended diametrically'across the top of the housing and detachably anchored at its opposite" ends to the two higher shoulders, the housing cap being of the latter is in place, there being formations in said cap for engaging end portions of the cap for preventing angular shift thereof relative to the housing.

4. A motor and mixing spindle for a drink mixer comprising, motor housing, a motor in the housing, a spindle driven by the motor for rotation coaxially with the motor shaft and depending below the housing, a removable cap for the motor housing, a bridge member in the housing below the motor, a baffle in the housing below the bridge member, a fan in the housing below the baflie and secured to the motor shaft, the casing interiorly having two oppositely located rib formations each having a shoulder at a lower level and each having a shoulder at a higher level, the bridge member having a pair of oppositely offset arms each overlying at its outer end one of the two lower shoulders, detachable means for securing said arm ends to said shoulders, said bridge member having a central portion sleeving the motor shaft, inter-engaging means partially carried by the motor and partially constituting the last-named securing means for preventing lateral shift of the motor,

a removable structure overlying the motor, and inter-engaging means partially carried at the top of the motor and partially carried by said overlying structure also for preventing lateral shift of the motor, said overlying structure including a truss extended diametrically across the top of the housing and detachably anchored at its opposite ends to the two higher shoulders, said securing means for the bridge member constituting a pair of downwardly extended screws, said baffie being formed of sheet metal to have an upwardly conically flaring skirt interrupted at two opposite points by strip-like portions each bent to L-shaped extension, each such L having an outwardly directed horizontal limb, said limbs being apertured, and said screws passing through said apertures to secure the baffle in place.

5. A motor and mixing spindle for a drink mixer comprising, a motor housing, a motor in the housing, a spindle driven by the motor for rotation coaxially with the motor shaft and depending below the housing, a removable cap for the motor housing, a bridge member in the housing below the motor, a bathe in the housing below the bridge member, a fan in the housing below the baffle and secured to the motor shaft, the casing interiorly having two oppositely located rib formations each having a shoulder at a lower level and each having a shoulder at a higher level, the bridge member having a pair of oppositely offset arms each overlying at its outer end one of the two lower shoulders, detachable means for securing said arm ends to said shoulders, said bridge member having a central portion sleeving the motor shaft, interengaging means partially carried by the motor and partially constituting the last-named securing means for preventing lateral shift of the motor, a removable structure overlying the motor, and interengaging means partially carried at the top of all) the motor and partially carried by said overlying structure also for preventing lateral shift of the motor, said overlying structure including a truss extended diametrically across the top of the housing and detachably anchored at its opposite ends to the two higher shoulders, said securing means for the bridge member constituting a pair of downwardly extended screws, said bafile being formed of sheet metal to have an upwardly conically flaring skirt interrupted at two opposite points by strip-like portions each bent to L- shaped extension, each such L having an outwardly directed horizontal limb, said limbs being apertured, and said screws passing through said apertures to secure the bailie in place, said securing means for the truss also constituting a pair of downwardly extended screws.

6. A motor and mixing spindle for a drink mixer comprising, a motor housing, a motor in the housing, a spindle driven by the motor for rotation coaxially with the motor shaft and depending below the housing, a removable cap for the motor housing, a bridge member in the housing below the motor, a bailie in the housing below the bridge member, a fan in the housing below the bailie and secured to the motor shaft, the casing interiorly having two oppositely located rib formations each having a shoulder at a lower level and each having a shoulder at a higher level, the bridge member having a pair of oppositely offset arms each overlying at its outer end one of the two lower shoulders, detachable means for securing said arm ends to said shoulders, said bridge member having a central portion sleeving the motor shaft, interengaging means partially carried by the motor and partially constituting the iast-named securing means for preventing lateral shift of the motor, a removable structure overlying the motor, and interengaging means partially carried at the top of the motor and partially carried by said overlying structure also for preventing lateral shift of the motor, said overlying structure including a truss extended diametrically across the top of the housing and detachably anchored at its opposite ends to the two higher shoulders, said overlying structure also including a pair of auxiliary members depending from and detachably secured to the truss, each of said auxiliary members having an arm, said arms oppositely extending and both directed inwardly toward the motor shaft, and there being a structure sleeving the motor shaft, the free ends of said arms being shaped to fit against said sleeving structure and in a manner to prevent vertical displacement of said sleeving structure.

7. A motor and mixing spindle arrangement for a drink mixer comprising, a motor housing, a motor in the housing, a spindle driven by the motor for rotation coaxially with the motor shaft and depending below the housing, a removable cap for the motor housing casing, a bridge member in the housing below the motor, a baffie in the housing below the bridge member, a fan in the housing below the baffle and secured to the motor shaft, the casing interiorly having two oppositely located rib formations each having a shoulder at a lower level and each having a shoulder at a higher level, the bridge member having a pair of oppositely offset arms each overlying at its outer end one of the two lower shoulders, detachable means for securing said arm ends to said shoulders, said bridge member having a central portion sleeving the motor shaft, inter-engaging means partially carried by the motor and partially constituting the lastnamed securing means for preventing lateral shift of the motor, a removable structure overlying the motor, and inter-engaging means partially carried at the top of the motor and partially carried by said overlying structure also for preventing lateral shift of the motor, said overlying structure including a truss extended diametrically across the top of the housing and detachably anchored at its opposite ends to the two higher shoulders, said securing means for the bridge member constituting a pair of downwardly extended screws, said baflle being formed of sheet metal to have an upwardly conically flaring skirt interrupted at two opposite points by strip-like portions each bent to L-shaped extension, each such L having an outwardly directed horizontal limb, said limbs being apertured, and said screws passing through said apertures to secure the baffle in place, said fan having at its top generally radially extending vanes traversing an annular portion of the fan.

8. A motor and mixing spindle for a drink mixer comprising, a motor housing, a motor in the housing, a spindle driven by the motor for rotation coaxially with the motor shaft and depending below the housing, a removable cap for the motor housing, a bridge member in the housing below the motor, a baffle in the housing below the bridge member, a fan in the housing below the baffle and secured to the motor shaft, the casing interiorly having two oppositely located rib formations each having a shoulder at a lower level and each having a shoulder at a higher level, the bridge member having a pair of oppositely ofiset arms each overlying at its outer end one of the two lower shoulders, detachable means for securing said arm ends to said shoulders, said bridge member having a central portion sleeving the motor shaft, inter-engaging 10 means partially carried by the motor and artially constituting the last-named securing means for preventing lateral shift of the motor, a removable structure overlying the motor, and inter-engaging means partially carried at the top of the motor and partially carried by said overlying structure also for preventing lateral shift of the motor, said overlying structure including a truss extended diametrically across the top of the housing and detachably anchored at its opposite ends to the two higher shoulders, said securing means for the bridge member constituting a pair of downwardly extended screws, said baffle being formed of sheet metal to have an upwardly conically flaring skirt interrupted at two opposite points by strip-like portions each bent to L-shaped extension, each such L having an outwardly directed horizontal limb, said limbs being apertured, and said screws passing through said apertures to secure the baflle in place, said fan having at its top generally radially extend ing vanes traversing an annular portion of the fan, and said baflie having an annular wall overlying said vanes, the portions of the battles conical skirt extending between the two skirt interruptions lying along their upper edges against the interior of the housing at surfaces thereof between said rib formations.

BORIS A. J ODY.

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

UNITED STATES PATENTS Number Name Date 1,560,693 Jembrzycki Nov. 10, 1925 1,843,315 Blish et a1 Feb. 2, 1932 2,018,141 Luxmore Oct. 22, 1935

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