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Home Cooking Agitation-supporting-and-driving-means-for-commercial-food-mixers-and-the-like

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 Agitation supporting and driving means for commercial food mixers and the like

Details
Inventors: Grutter, William G.; Koepnick, Paul J.;
Assignee: APV Baker, Inc. (Grand Rapids, MI)
Primary Examiner: Jenkins; Robert W.
Assistant Examiner:
Attorney, Agent or Firm: Price, Heneveld, Cooper, DeWitt & Litton

Means for supporting and driving agitators in commercial food mixers and the like as disclosed herein include structure for mounting and supporting the agitator(s) separately from the structure which rotatably supports the mixing bowl. The mixing bowl has a pair of spaced ends and is rotatably supported by trunnions fixed to such spaced ends and extending outwardly therefrom toward adjacent support frame members which have journals for rotatably cooperating with such trunnions to thereby support the mixing bowl. The agitator for the mixer is journaled in the spaced ends of the mixing bowl, such that the weight of the mixing bowl and the mix therein is not imparted to the agitator shaft. Preferably, th agitator is rotatably driven by drive-transmission means including drive gears disposed outside the mixing bowl and outboard of the support frame members but generally in alignment with the agitator shaft, and flexible drive means (e.g., V-belts or the like) interconnect such drive gears and a motor located at a position spaced from the agitator axis, e.g., at floor level. In the most preferred embodiment, the trunnion means for rotatably supporting the mixer bowl comprises a rigid cylinder which is also utilized as the housing for the agitator drive gearing, whereby the mixer bowl support and rotational mechanism is integrated with, but separate from, that of the agitators.

DETAILED DESCRIPTION The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1.
Agitator supporting and driving means for commercial food mixtures and the like, comprising in combination: a mixing bowl; at least one agitator and means for mounting and supporting said agitator for rotation within said bowl; said agitator having a driving shaft extending out of said bowl, for imparting rotation to said agitator; a speed-reduction means disposed outside said bowl, said speed-reduction means having at least one rotary output member; means for connecting said agitator shaft to said rotary output member for rotatably driving the agitator; said speed-reduction means having a rotary input member for receiving drive actuation from a source thereof; a motor for supplying rotary drive power; and drive-transmitting means extending between said input member and said motor for coupling the same together such that said motor rotatably drives said input member; at least one of said drive-transmitting means and said means for connecting said agitator shaft to said rotary output member comprising at least one generally flexible drive belt means; said mixing bowl having a pair of spaced ends; and means separate from said agitator and from its mounting and supporting means for pivotally mounting and supporting said bowl independently of said agitator on an axis extending through said spaced ends; said mounting and supporting means including support frame members disposed generally adjacent each of said spaced bowl ends and trunnion means comprising a rigid cylindrical member fixed to each of said spaced ends and extending outwardly therefrom toward said support frame members, said support frame members having journal means for rotatably supporting said trunnion and thus said bowl.
2.
Agitator means according to claim I, wherein said speed-reduction means is disposed adjacent the location of said agitator driving shaft outside said bowl.
3.
Agitator means according to claim 2, wherein said speed-reduction means output member is directly-coupled to said agitator driving shaft, and wherein said drive belt extends between said speed-reduction means input member and said motor



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