Material or article handling – Elevator or hoist and loading or unloading means therefor – Grab
Patent
1977-08-22
1981-02-24
Werner, Frank E.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Grab
414 72, 414121, 414274, 414752, 414619, B65G 4791
Patent
active
042524970
ABSTRACT:
An article handling system and, more particularly, a box or container picker system having miniaturized components for detecting the presence as well as the orientation of various sizes of boxes and containers in a pallet layer of product including suction cups and associated pneumatically-operated sensing structure arranged in arrays for detecting the presence or absence of a box or container therebeneath during a cycle and controls for determining the coordinates at which box presence is detected and also for activating those suction heads which are to function to pick a box from a layer of product. The vacuum pickup head including the suction cup has a casing with an interior vacuum chamber controlled by a motor-operated valve member which, in one position, connects an operating negative pressure to a suction cup and, in another position, closes off the negative pressure and connects the suction cup to atmosphere. As part of the miniaturization, a plurality of suction cups are associated with a single valve member whereby the position of a single valve member controls the condition of a plurality of suction cups.
REFERENCES:
patent: 2783018 (1957-02-01), Lytle
patent: 3351219 (1967-11-01), Ruderfer
patent: 3716147 (1973-02-01), Pipes
patent: 3850313 (1974-11-01), Rackman et al.
Heico Inc.
Werner Frank E.
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