Agitating – Mixing chamber removable from stirrer and support
Patent
1996-05-09
1998-02-24
Cooley, Charles E.
Agitating
Mixing chamber removable from stirrer and support
366251, 366314, B01F 910, A47J 4327
Patent
active
057205523
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention refers to a drinking glass having a stirrer, a base with a stirrer motor and a switch, and a detachable top mating to said base.
Such a drinking vessel is known from EP 0 562 310 A1.
SUMMARY OF THE INVENTION
The aim of the invention is simplifying the known drinking glass while improving its stirring action. The invention achieves this aim through a drinking glass provided with a base to which a top is coupled to form the drinking glass. The base is provided with a stirrer that projects into the space subtended by the top. The stirrer is actuated by a motor that is disposed within the base. A seal extends around the top of the motor to prevent liquid from leaking onto the motor.
BRIEF DESCRIPTION OF THE DRAWINGS
The following provides a detailed description of a version of the drinking glass invented with reference to the accompanying drawings. The items/views depicted in said drawings are as follows:
FIG. 1, an exploded view of said drinking glass;
FIG. 2, a sectional view of the lower portion of the top;
FIG. 3, a bottom view of the base;
FIG. 4, a sectional view, sectioned along axis IV--IV of FIG. 3.
FIG. 5, a sectional view, sectioned along axis V--V of FIG. 2;
FIG. 6, a side view of the stirring tool; and
FIG. 7, a sectional view of the actuating push button of said switch, shown here greatly magnified.
DETAILED DESCRIPTION OF THE DRAWINGS
As depicted in said drawings, said drinking glass consists of a monolithic base (1) and a cup-shaped, or cylindrical, top (6). Said base (1) is an injection-molded plastic item. Said top (6) is fabricated from glass or acrylic glass and has opposed open top and bottom ends. Said base (1) has a cylindrical lateral wall (2) and is closed off at its top by a top wall. Said top wall has an annular groove (3) running between said lateral wall (2) and its central planar section (12). The underside of said top wall has a central boss (4) for mounting the stirrer motor (5) (cf. FIG. 5). The bottom edge of said top (6) engages said annular groove (3).
In order to provide a means for attaching/detaching said top (6) to/from said base (1), the top edge of said annular groove (3) has two lugs (7) and the bottom edge of said top (6) has two identical lugs (8). Said lugs (8) may be inserted between said lugs (7) on said annular groove (3), and will pass beneath, and be clamped down by, said lugs (7) on said annular groove (3) when said top (6) is rotated with respect to said base (1).
The undersides of said lugs (7) on said annular groove (3) slope downward in the direction of rotation, and the upper surfaces of said lugs (8) on said top (6) slope upward at this same angle in the direction of rotation. The bottom edge of said top (6) will thus be forced into said annular groove (3) when said top (6) is rotated, thereby clamping it to said base.
The inner face of said annular groove (3) is provided with a tapered rubber seal (9) that progressively increases in width toward its base and abuts against a beveled mating surface (10) on said bottom edge of said top (6). When said top (6) is rotated with respect to said base, said mating surface (10) will be firmly pressed against said seal (9) and said seal (9) will be firmly pressed against said base (1). Instead of using said tapered seal (9), said planar section (12) of said base (1) may be provided with a sealing surface coated with an elastic rubber material, in which case an annular ridge on said planar section (12) mating to said sealing surface is provided on said top (6).
Said top (6) is concavely curved from the top edge of said mating surface (10) to its cylindrical lateral wall (11). The top face of said planar section (12) of said base (1) is flush with the top edge of said mating surface (10).
Rotation of the stirring tool (14) slid onto the stirrer shaft (13) generates a rapid flow along said lateral wall (11) that enhances mixing action.
Said stirrer shaft (13), which also serves as the motor shaft, may be laterally offset from the center of said annular groove (3), which
REFERENCES:
patent: 1480914 (1924-01-01), Poplawski
patent: 3704864 (1972-12-01), Lee
patent: 4783173 (1988-11-01), Artin
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