Agitating – By vibration – Vibrator mounted in aperture of mixing chamber bottom wall
Patent
1998-06-08
2000-04-04
Cooley, Charles E.
Agitating
By vibration
Vibrator mounted in aperture of mixing chamber bottom wall
366205, 366206, 366333, B01F 1100
Patent
active
060452536
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
This invention relates to a container mixing device in which the container is provided with a reciprocable member for applying vibrations to the contents of the container, the device further comprising means for reciprocating the member.
BACKGROUND OF THE INVENTION
In situations where the contents of the container are only required to be mixed at infrequent intervals, the provision of a prime mover exclusively used for reciprocating the member is an inefficient arrangement.
SUMMARY OF THE INVENTION
U.S. Pat. No. 3,132,848 discloses a container mixing device comprising a container having a reciprocable member communicating with its interior to effect mixing and a drive unit comprising a reciprocable output member, means for drivably connecting the output member with the reciprocable member of the container and means for removably mounting the container on the drive unit. The present invention provides a drivably connecting means which is releasable. The reciprocable output member remains with the drive unit and separate reciprocable output members do not have to be provided for respective containers.
The present invention provides a drive unit which can be releasably connected to the reciprocable member so that the drive unit can be used for other purposes, such as for driving the reciprocable members of other containers, when not required for the container in question. The invention as presently envisaged as a container mixing device comprising a container having a reciprocable member communicating with its interior and a drive unit comprising a reciprocable output member, releasable means for drivably connecting the output member with the reciprocable member of the container and means for removably mounting the container on the drive unit.
The container reciprocable member may comprise a cam and cam follower and the drivably connecting means may comprise means connecting to the cam follower. The container reciprocable member may comprise a pin and the drivably connecting means then comprises means mounted on the reciprocable output member for engaging the pin. The engaging means may comprise a jaw for receiving the pin and resilient means for retaining the pin within the jaw.
The drive unit may comprise a motor having a drive shaft and the reciprocable output member may comprise a cylinder mounted eccentrically on said shaft. The container reciprocable member may comprise a cam follower having a concave cam follower surface matching the cylindrical cam surface.
The means for removably mounting the container on the drive unit may comprise means for supporting the container spaced from the floor when the drive means is on the floor. The container mounting means may comprise means for sensing the presence thereon of the container for controlling the operation of the drive unit. The container may comprise a base, the reciprocable member extending through the base to the interior of the container, the container comprising a plate mounted on the reciprocable member within the interior of the container and a flexible liner to isolate the plate from the contents of the container to be mixed. The flexible liner may be secured to the walls of the container around the plate.
BRIEF DESCRIPTION OF THE DRAWINGS
An example of the invention will now be described with reference to the accompanying drawings in which:
FIG. 1 is a side elevation of a container mounted on a driving device, partly in section,
FIG. 2 shows the lower part of the side elevation of FIG. 1 on an enlarged scale and without the sectional parts, and
FIG. 3 is a front elevation to the same scale as FIG. 2 of the container of FIG. 1.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The assembly shown in FIG. 1 is a standard container 50 mounted on top of a driving device 70. The container 50 has a generally cubic upper chamber 51 with a converging base 52 leading to a funnel outlet 53 closed by a lower plug 54. A base ring 55 is secured to the converging base 52 by legs 56 so that the container can be parked with the
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BHR Group Limited
Cooley Charles E.
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