US3356349A - Range stirring apparatus - Google Patents

Range stirring apparatus Download PDF

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US3356349A
US3356349A US542525A US54252566A US3356349A US 3356349 A US3356349 A US 3356349A US 542525 A US542525 A US 542525A US 54252566 A US54252566 A US 54252566A US 3356349 A US3356349 A US 3356349A
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Prior art keywords
hub
rotation
stirring means
agitator
interconnecting
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US542525A
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Arthur T Keppler
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CBS Corp
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Westinghouse Electric Corp
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Priority to US542525A priority Critical patent/US3356349A/en
Priority to GB13105/67A priority patent/GB1134957A/en
Priority to DE19671557244 priority patent/DE1557244A1/en
Priority to SE5271/67A priority patent/SE305200B/xx
Application granted granted Critical
Publication of US3356349A publication Critical patent/US3356349A/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/04Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
    • A47J43/046Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
    • A47J43/0465Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side with magnetic drive
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/004Cooking-vessels with integral electrical heating means
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/04Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
    • A47J43/07Parts or details, e.g. mixing tools, whipping tools
    • A47J43/0716Parts or details, e.g. mixing tools, whipping tools for machines with tools driven from the lower side
    • A47J43/0722Mixing, whipping or cutting tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/13Openwork frame or cage stirrers not provided for in other groups of this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/45Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/452Magnetic mixers; Mixers with magnetically driven stirrers using independent floating stirring elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/45Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/453Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/45Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/453Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
    • B01F33/4535Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements using a stud for supporting the stirring element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/40Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/411Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft
    • B01F35/4112Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting only one extremity of the shaft at the bottom of the receptacle, e.g. by studs

Definitions

  • ABSTRACT OF THE DISCLOSURE Automatic stirrer comprising a rotatable hub consisting of a permanent magnet and an agitator structure frictionally coupled to a top wall of the hub at a point remote from the axis of rotation thereof to produce both oscillatory and rotational movement of the agitator structure in response to rotation of the hub.
  • This invention relates, in general, to automatic stirring apparatus and, more particularly, to an agitator for use therewith.
  • Automatic stirrers comprising a rotatable hub consisting of a permanent magnet and an integral agitator supported concentrically with respect thereto have, heretofore, been utilized for the purpose of mixing liquid as well as other substances.
  • a magnet adapted to be rotated by motor means is supported beneath a non-magnetic container or vessel in which the foregoing agitator is supported for rotation through magnetic coupling with the magnet when rotated by the motor.
  • the present invention accomplishes the above cited objects by providing a stirrer structure comprising a hub consisting of a permanent magnet adapted for rotation and having a pivot member disposed thereon at a point remote or offset from the center of rotation of the hub.
  • An agitator supported by the pivot member rotates with the hub when the liquid which is being mixed has a relatively low viscosity.
  • bias means interposed between a portion of the pivot member and a part of the agitator supported by the pivot.
  • this is accomplished by a turbulent force in the liquid impinging on portions of the agitator which force is created by a plurality of fins disposed on an annular wall of the hub.
  • FIGURE 1 is an exploded perspective view representing the invention
  • FIG. 2 is a top plan view representing one mode of operation of the invention
  • FIG. 3 is a side elevational view of apparatus incorporating the invention.
  • FIG. 4 is a fragmentary top plan view of interconnection means forming a part of the invention.
  • FIG. 5 is a fragmentary top plan view of the interconnecting means shown in FIG. 4, but in a different operating position;
  • FIG. 6 is a cross-sectional view taken on the line VI VI of FIG. 4.
  • reference character 10 designates generally an agitator structure comprising a hub member 11 and an arm structure or stirring means 12. As shown in FIG. 3 the agitator is freely or detachably supported within a vessel or container 13, made from any non-magnetic material, for example, aluminum, the vessel, in turn, being supported by a suitable electric heater comprising a plurality of coils 14.
  • a permanent magnet 16 secured to a shaft 17 of an electric motor 18 (shown schematically in FIG. 3) is adapted to be suitably supported subadjacent the vessel 13 directly below the hub member 11 which consists of a permanent magnet shrouded by a suitable material, for example, nylon.
  • the proximity of the two magnets provides a magnetic coupling therebetween serving to effect rotation of the hub member 11 with the magnet 16 when the latter is rotated by the motor 18'.
  • the arm structure or stirring means 12 which is adapted to be rotated in the same or counterclockwise direction with the hub member 11 in -a manner to be described hereinafter, comprises a pair of arms 19 and 19 (best shown in FIG. 1), each having a substantially vertical leading member 21 and an offset trailing member 22 joined by a horizontally disposed spiral member 23.
  • Each of the offset members is provided with a vertical segment 24 and a horizontal segment 26, the latter being secured in a suitable manner, for example, by spot welding to an interconnecting member 27.
  • Substantially V-shaped handle means 28 including a grip member 29 joins the arms 19 and 19 at the vertical leading mem bers 21 and, together with the interconnecting member 27, form an integral structure.
  • the interconnecting member 27 is provided with an aperture 31 centrally thereof and an elongated slot 32 extending from one end thereof to the aperture 31.
  • a post or pivot member 33 is secured to a top surface 34 of the hub member 11 with its axis parallel to the axis of rotation of the hub, 'but at a point remote therefrom.
  • the pivot member 33 comprises a tenon portion 36 adjacent its lower extremity and a head portion 37 adjacent the opposite extremity (see particularly FIGS. 1 and 6).
  • a necked-down portion 38 of the pivot member 33 which is disposed intermediate the tenon and head portions is insertable through the slot 32 and into the aperture 31, into which the tenon 36 is subsequently insertable.
  • a bifurcated spring member 39 is adapted to be postively secured to the interconnecting member by means of clip portions 35 and a flange portion 40 (best illustrated in FIGS.
  • the arm structure 12 in thereby adapted to rotate counterclockwise as viewed in FIG. 2, with the hub member 11 about its axis of rotation of the hub. It will further be appreciated that as the viscosity of the liquid increases while in the process of being mixed simultaneously mixed and heated, a resistance to rotation of the arm structure is developed thereby causing relative slippage between the bifurcated spring 39 and the pivot member 33.
  • FIGS. 4 and 5 Two extreme positions of the interconnecting member 27 and the spring 39 are depicted in FIGS. 4 and 5 with the former corresponding to the solid line position of the arm 19, as shown in FIG. 2, and the latter corresponding to the dotted line position indicated at B in FIG. 2.
  • the hub member 11 is provided with a plurality of fins 42 extending substantially radially from an annular wall 43 thereof.
  • the fins 43 when the arms 19 and 19' move between the solid line position and the dotted line position B, pass closer to one or the other of the offset trailing members 22. It will be understood that as the fins are rotated they create a turbulence in the liquid, the resulting force of which impinges on the vertical and horizontal segments 24 and 26, particularly the former, thereby tending to rotate the arms 19 and 19' as indicated by the arrows shown in FIG. 2. Consequently, it is possible to have simultaneous rotation of the arms 19 and 19' and oscillatory movement thereof.
  • the hub 11 is provided with a somewhat rounded bottom surface 44 which permits the agitator structure in FIG. 1 to rock slightly thereby enhacing its stirring capabilities.
  • a hub adapted for rotation within a liquid-containing vessel, stirring means for agitating the contents of said vessel, means interconnecting said hub with said stirring means and responsive to rotation of said hub for imparting oscillatory motion to said stirring means, means carried by said hub adapted to cooperate with said stirring means for effecting rotation thereof simultaneously with said hub and in the same direction, said interconnecting means comprises a post member and an apertu'red member, said post member being loosely received in the aperture of said apertured member, said post member being carried by said hub member at a point remote from its center of rotation.
  • said means for effecting rotation of said stirring means comprises resilient means disposed intermediate one of said members and at least a part of the other of said members.
  • said means for effecting rotation of said stirring means comprises a plurality of fins extending substantially radially from an annular wall thereof, said fins serving to move liquid contained in said vessel away from the fins in the direction of said stirring means.
  • said hub comprises a permanent magnet adapted to be attracted by magnetic forces produced by a magnet rotating beneath said vessel.
  • stirring means for agitating the contents of said vessel, means interconnecting said hub with said stirring means and responsive to rotation of said hub for imparting oscillatory motion to said stirring means, said stirring means comprises two identical arms, each having a substantially vertically disposed leading segment, an offset trailing member having horizontal and vertical segments, a horizontally disposed spiral member interconnecting said leading and trailing members.
  • said interconnecting means comprises a pivot member and an apertured member interconnecting said horizontal segment of said trailing member such that said hub is disposed intermediate said vertical segments of said trailing member, said post member being loosely received in said apertured member, and said pivot member being integral with said hub at a point on the surface thereof remote from the center of rotation thereof.
  • said means for effecting rotation of said stirring means comprises resilient means interposed between one of said members and at least a portion of the other of said members.
  • said means for effecting rotation of said stirring means comprises a plurality of of fins extending substantially radially from said hub member, said fins being adapted to create turbulent motion in said substantially liquid substance producing a force which impinges on said trailing members.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Description

6 v A. T. KEPPLER 3,356,349
RANGE STIRRING APPARATUS Filed April 14, 1966 2 Sheets-Sheet l 29 28 Q A. T. KEPPLER Dec. 5, 1967 HANS-F.- STiFiRIHG APPARATU 2 Sheets-Sheet 5- Filed April 14, 1966 INVENTOR Arthur I Keppler fi fi fl- WITNESSES AGENT United States Patent 3,356,349 RANGE STIRRING APPARATUS Arthur T. Keppler, Mansfield, Ohio, assiguor to Westinghouse Electric Corporation, Pittsburgh, Pa., a corporation of Pennsylvania Filed Apr. 14, 1966, Ser. No. 542,525 11 Claims. (Cl. 259111) ABSTRACT OF THE DISCLOSURE Automatic stirrer comprising a rotatable hub consisting of a permanent magnet and an agitator structure frictionally coupled to a top wall of the hub at a point remote from the axis of rotation thereof to produce both oscillatory and rotational movement of the agitator structure in response to rotation of the hub.
This invention relates, in general, to automatic stirring apparatus and, more particularly, to an agitator for use therewith.
Automatic stirrers comprising a rotatable hub consisting of a permanent magnet and an integral agitator supported concentrically with respect thereto have, heretofore, been utilized for the purpose of mixing liquid as well as other substances. A magnet adapted to be rotated by motor means is supported beneath a non-magnetic container or vessel in which the foregoing agitator is supported for rotation through magnetic coupling with the magnet when rotated by the motor. In the case Where the consistency of the liquid remains substantially the same throughout the mixing process, the above-described arrangement has been found to be quite satisfactory, however, where the consistency of the liquid increases due, for example, to the addition of heat thereto, it has been found that rotation of the agitator ceases due to the increased viscosity Which renders the magnetic coupling totally ineflective.
Accordingly, it is the general object of this invention to provide, in stirring apparatus, a new and improved agitator.
It is a more particular object of this invention to provide a new and improved agitator adapted for both rotational and oscillatory motion.
Briefly, the present invention accomplishes the above cited objects by providing a stirrer structure comprising a hub consisting of a permanent magnet adapted for rotation and having a pivot member disposed thereon at a point remote or offset from the center of rotation of the hub. An agitator supported by the pivot member rotates with the hub when the liquid which is being mixed has a relatively low viscosity. This is accomplished in one manner-through bias means interposed between a portion of the pivot member and a part of the agitator supported by the pivot. In another manner, this is accomplished by a turbulent force in the liquid impinging on portions of the agitator which force is created by a plurality of fins disposed on an annular wall of the hub. When the viscosity of the liquid increases to the point where resistance to rotation of the agitator tends to stall its rotation, relative movement between the hub and agitator commences, at which point the offset pivot member serves to impart oscillatory motion to the agitator in a direction toward and away from the center of rotation of the hub. Consequently, the agitator continues to mix the liquid.
Further objects and advantages of the present invention will become more apparent when considered in view of the following detailed description and drawings, in which:
ice
FIGURE 1 is an exploded perspective view representing the invention;
FIG. 2 is a top plan view representing one mode of operation of the invention;
FIG. 3 is a side elevational view of apparatus incorporating the invention;
FIG. 4 is a fragmentary top plan view of interconnection means forming a part of the invention;
- FIG. 5 is a fragmentary top plan view of the interconnecting means shown in FIG. 4, but in a different operating position; and
FIG. 6 is a cross-sectional view taken on the line VI VI of FIG. 4.
Referring now to the drawings, especially FIGURES 1 and 3, reference character 10 designates generally an agitator structure comprising a hub member 11 and an arm structure or stirring means 12. As shown in FIG. 3 the agitator is freely or detachably supported within a vessel or container 13, made from any non-magnetic material, for example, aluminum, the vessel, in turn, being supported by a suitable electric heater comprising a plurality of coils 14.
A permanent magnet 16 secured to a shaft 17 of an electric motor 18 (shown schematically in FIG. 3) is adapted to be suitably supported subadjacent the vessel 13 directly below the hub member 11 which consists of a permanent magnet shrouded by a suitable material, for example, nylon. The proximity of the two magnets provides a magnetic coupling therebetween serving to effect rotation of the hub member 11 with the magnet 16 when the latter is rotated by the motor 18'.
' The arm structure or stirring means 12, which is adapted to be rotated in the same or counterclockwise direction with the hub member 11 in -a manner to be described hereinafter, comprises a pair of arms 19 and 19 (best shown in FIG. 1), each having a substantially vertical leading member 21 and an offset trailing member 22 joined by a horizontally disposed spiral member 23. Each of the offset members is provided with a vertical segment 24 and a horizontal segment 26, the latter being secured in a suitable manner, for example, by spot welding to an interconnecting member 27. Substantially V-shaped handle means 28 including a grip member 29 joins the arms 19 and 19 at the vertical leading mem bers 21 and, together with the interconnecting member 27, form an integral structure. The interconnecting member 27 is provided with an aperture 31 centrally thereof and an elongated slot 32 extending from one end thereof to the aperture 31.
A post or pivot member 33 is secured to a top surface 34 of the hub member 11 with its axis parallel to the axis of rotation of the hub, 'but at a point remote therefrom. The pivot member 33 comprises a tenon portion 36 adjacent its lower extremity and a head portion 37 adjacent the opposite extremity (see particularly FIGS. 1 and 6). A necked-down portion 38 of the pivot member 33 which is disposed intermediate the tenon and head portions is insertable through the slot 32 and into the aperture 31, into which the tenon 36 is subsequently insertable. A bifurcated spring member 39 is adapted to be postively secured to the interconnecting member by means of clip portions 35 and a flange portion 40 (best illustrated in FIGS. 1 and 6) at the opposite end such that bent leg portions 41 thereof engage the underside of the head 37 (FIG. 6) to provide a frictional coupling between the interconnecting member 27 and the pivot member 33. It will be appreciated that the arm structure 12 in thereby adapted to rotate counterclockwise as viewed in FIG. 2, with the hub member 11 about its axis of rotation of the hub. It will further be appreciated that as the viscosity of the liquid increases while in the process of being mixed simultaneously mixed and heated, a resistance to rotation of the arm structure is developed thereby causing relative slippage between the bifurcated spring 39 and the pivot member 33. When this occurs the hub continues to rotate and due to the offset positioning of the pivot member 33, oscillatory motion toward and away from the center of rotation of the hub member 11, as shown in FIG. 2, is imparted to the arm structure 12. While the interconnecting member 27 and the spring 39 also oscillate, such an illustration has been omitted from FIG. 2 for sake of clarity. The path of movement of the arm 19 is from the solid line position shown in FIG. 2 to the first dotted line position indicated at A then to B and C and back to the solid line position.
Two extreme positions of the interconnecting member 27 and the spring 39 are depicted in FIGS. 4 and 5 with the former corresponding to the solid line position of the arm 19, as shown in FIG. 2, and the latter corresponding to the dotted line position indicated at B in FIG. 2.
As can be seen from FIGS. 1, 4 and 5, the hub member 11 is provided with a plurality of fins 42 extending substantially radially from an annular wall 43 thereof.
As can further be seen from FIGS. 4 and 5, the fins 43, when the arms 19 and 19' move between the solid line position and the dotted line position B, pass closer to one or the other of the offset trailing members 22. It will be understood that as the fins are rotated they create a turbulence in the liquid, the resulting force of which impinges on the vertical and horizontal segments 24 and 26, particularly the former, thereby tending to rotate the arms 19 and 19' as indicated by the arrows shown in FIG. 2. Consequently, it is possible to have simultaneous rotation of the arms 19 and 19' and oscillatory movement thereof.
As can be seen in FIG. 6, the hub 11 is provided with a somewhat rounded bottom surface 44 which permits the agitator structure in FIG. 1 to rock slightly thereby enhacing its stirring capabilities.
Since numerous changes may be made in the above described apparatus and different embodiments of the invention may be made without departing from the spirit thereof, it is intended that all matter contained in the foregoing description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
What is claimed is:
1. In combination, a hub adapted for rotation within a liquid-containing vessel, stirring means for agitating the contents of said vessel, means interconnecting said hub with said stirring means and responsive to rotation of said hub for imparting oscillatory motion to said stirring means, means carried by said hub adapted to cooperate with said stirring means for effecting rotation thereof simultaneously with said hub and in the same direction, said interconnecting means comprises a post member and an apertu'red member, said post member being loosely received in the aperture of said apertured member, said post member being carried by said hub member at a point remote from its center of rotation.
2. Structure as specified in claim 1, wherein said means for effecting rotation of said stirring means comprises resilient means disposed intermediate one of said members and at least a part of the other of said members.
3. Structure as specified in claim 1, wherein said means for effecting rotation of said stirring means comprises a plurality of fins extending substantially radially from an annular wall thereof, said fins serving to move liquid contained in said vessel away from the fins in the direction of said stirring means.
4. Structure as specified in claim 1, wherein said hub comprises a permanent magnet adapted to be attracted by magnetic forces produced by a magnet rotating beneath said vessel.
5. In combination, a hub adapted for rotation within a liquid-containing vessel, stirring means for agitating the contents of said vessel, means interconnecting said hub with said stirring means and responsive to rotation of said hub for imparting oscillatory motion to said stirring means, said stirring means comprises two identical arms, each having a substantially vertically disposed leading segment, an offset trailing member having horizontal and vertical segments, a horizontally disposed spiral member interconnecting said leading and trailing members.
6. Structure as specified in claim 5, wherein the horizontal segments and the horizontally disposed spiral members of each arm lie in planes disposed one above the other.
7. Structure as specified in claim 6, including means carried by said hub, cooperating with said stirring means for effecting rotation thereof simultaneously with said hub.
8. Structure as specified in claim 7, wherein said interconnecting means comprises a pivot member and an apertured member interconnecting said horizontal segment of said trailing member such that said hub is disposed intermediate said vertical segments of said trailing member, said post member being loosely received in said apertured member, and said pivot member being integral with said hub at a point on the surface thereof remote from the center of rotation thereof.
9. Structure as specified in claim 8, wherein said means for effecting rotation of said stirring means comprises resilient means interposed between one of said members and at least a portion of the other of said members.
10. Structure as specified in claim 8, wherein said means for effecting rotation of said stirring means comprises a plurality of of fins extending substantially radially from said hub member, said fins being adapted to create turbulent motion in said substantially liquid substance producing a force which impinges on said trailing members.
11. Structure as specified in claim 10, wherein said hub is provided with a rounded bottom surface to permit slight rocking of said arms.
References Cited UNITED STATES PATENTS 2,518,758 8/1950 Cook 259108 2,692,125 10/ 1954 Light 259-1 17 2,416,326 2/1947 Knibb 259-412 X 2,898,094 8/ 1959 ONeill 259124 X 3,088,716 5/1963 Stott 259-144 FOREIGN PATENTS 140,191 3/1920 Great Britain.
WALTER A. SCHEEL, Primary Examiner.
I. KEE CHI, Assistant Examiner.

Claims (1)

1. IN COMBINATION, A HUB ADAPTED FOR ROTATION WITHIN A LIQUID-CONTAINING VESSEL, STIRRING MEANS FOR AGITATING THE CONTENTS OF SAID VESSEL, MEANS INTERCONNECTING SAID HUB WITH SAID STIRRING MEANS AND RESPONSIVE TO ROTATION OF SAID HUB FOR IMPARTING OSCILLATORY MOTION TO SAID STIRRING MEANS, MEANS CARRIED BY SAID HUB ADAPTED TO COOPERATE WITH SAID STIRRING MEANS FOR EFFECTING ROTATION THEREOF SIMULTANEOUSLY WITH SAID HUB AND IN THE SAME DIRECTION, SAID INTERCONNECTING MEANS COMPRISES A POST MEMBER AND AN APERTURED MEMBER, SAID POST MEMBER BEING LOOSELY RECEIVED IN THE APERTURE OF SAID APERTURED MEMBER, AND POST MEMBER BEING CARRIED BY SAID HUB MEMBER AT A POINT REMOTE FROM ITS CENTER OF ROTATION.
US542525A 1966-04-14 1966-04-14 Range stirring apparatus Expired - Lifetime US3356349A (en)

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US542525A US3356349A (en) 1966-04-14 1966-04-14 Range stirring apparatus
GB13105/67A GB1134957A (en) 1966-04-14 1967-03-21 Agitator structure for a stirrer
DE19671557244 DE1557244A1 (en) 1966-04-14 1967-03-28 Agitator device with agitator driven by a magnetic coupling
SE5271/67A SE305200B (en) 1966-04-14 1967-04-14

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US20110146500A1 (en) * 2008-09-01 2011-06-23 Boussemart Christophe S Appliance for conditioning a milk-based liquid
US20110162534A1 (en) * 2008-09-01 2011-07-07 Boussemart Christophe S Appliance for fine steam-frothing a milk-based liquid
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GB1134957A (en) 1968-11-27
DE1557244A1 (en) 1970-03-19

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