Agitating – With inspection means
Patent
1994-11-08
1996-11-05
Cooley, Charles E.
Agitating
With inspection means
366147, 366208, B01F 1100, B01F 1506
Patent
active
055712835
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a shaking and mixing device with a housing for accommodating electric switching and controlling elements and an electric motor, a plate-shaped bearing surface for the container receiving the material to be shaken and mixed, said surface being drivable by the electric motor, a hood gripping over the housing and the bearing surface with the containers, as well as with a blower for cold and/or warm air feeding into the interior space of the hood.
2. The Prior Art
It is known already to place shaking and mixing devices in a hood, on the top side of which there is arranged a warm/cold air blower blowing into the interior space of the hood via openings. Furthermore, it is known in connection with a shaking and mixing device to set up the hood on the housing receiving the drive for the bearing surface, and to rigidly arrange a warm/cold air blower on the hood on the outside on top, such blower feeding air into the interior space of the hood. These shaking and mixing devices have the drawback in common that the hoods acting in each case as the support for the blowers have to be designed with thick walls for stability reasons, and thus weighty, so that such hoods can be handled only with expenditure of force and in a complicated way. Moreover, the blowers impair the sight into the interior space of the hoods.
SUMMARY OF THE INVENTION
It is an object of the present invention to create in connection with shaking and mixing devices, measures for the use of hoods with a low weight and unobstructed possibilities for viewing the vibrating material.
According to the invention, this object is achieved by having the housing receiving the electric motor and the housing of the blower being arranged directly fixed or detachably fixed next to each other, and that the two housings are jointly overgripped at the same time by one single hood, which can be freely set up on the two housings.
According to a preferred embodiment, provision is made that the housing receiving the drive for the bearing surface and the blower housing have top sides extending in one common plane; that the top sides of both housings support a plate-like support made of a flexible material, e.g. rubber; and that the hood can be set up at least approximately tightly on the plate. In this way, the hood can be embodied with thin walls and a low weight and thus handled simply and safely. Furthermore, the shaking stations can be easily inspected, and they are accessible without obstructions for the feeding or removal of the shaken material, or of the containers. Finally, owing to the fact that the blower remains on or next to the housing for the bearing surface, hoods with different heights and shapes are usable selectively. Moreover, the weight of the hood and the blower is supported via the two housings directly on the set-up furniture, and not on the mixing and shaking device.
In designing the shaking and mixing device, the hood can be formed by at least two hood segments placeable one on top of the other or next to each other, which means that the hood has to be removed partially, if need be, for feeding or removing shaking material or containers.
Usefully, the hood is formed by two hood segments separated within the zone of a transverse plane, of which one segment has a groove, fold or the like in the marginal zone limiting the plane of separation, such groove, fold or the like extending all around, and the other hood segment, in its marginal zone limiting the plane of separation, engages the groove, fold or the like for guiding and supporting the two hood segments. It is preferred in this connection that the hood segments are designed with different heights, whereby the hood segment closer to the bearing surface has a lower height. It is understood that hood segments of any desired height or shape can be set up on the hood segment closer to the bearing surface. Furthermore, provision is made that the blower housing is provided with an outlet duct for the blower air, s
REFERENCES:
patent: 3002895 (1961-10-01), Freedman
patent: 4054151 (1977-10-01), Parker et al.
patent: 4061315 (1977-12-01), Eitzen et al.
patent: 4673297 (1987-06-01), Siczek et al.
patent: 4747693 (1988-05-01), Kahl
patent: 5052812 (1991-10-01), Tannenbaum et al.
Cooley Charles E.
Heidolph-Elektro GmbH & Co. KG
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