Apparatus for the lifting of tray packs

Details Apparatus for the lifting of tray packs Apparatus for the lifting of tray packs

1991-01-09

1992-02-18

Werner, Frank E.

Material or article handling

Elevator or hoist and loading or unloading means therefor

Grab

294 641, 294 65, 414626, 414793, 4147442, 414752, B66F 918

Patent

active

050888781

ABSTRACT:
The lifting and transportation of sensitive articles incapable of bearing a mechanical load, without manual involvement, presents special difficulties in packaging technology. This applies, above all, to tray packs in which articles are arranged standing on a bottom part (11) of small height, without any additional anchoring. For grasping and lifting articles of this type, there is provided a raisable and lowerable suction box (15) which, with suitable dimensions, is placed over the article in the manner of a bell. By the generation of a vacuum within the suction box (15), the article (tray pack 10) is held carefully and can be lifted by means of the suction box (15). Side walls (22) of the suction box (15) are arranged pivotably, to make it easier to place the suction box (15) onto the article.

REFERENCES:
patent: 3387718 (1968-06-01), Roth et al.
patent: 3404787 (1968-10-01), Hayford
patent: 3556579 (1971-01-01), Seymour-Walker et al.
patent: 4355936 (1982-10-01), Thomas et al.

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