Apparatus for storage and retrieval of thin trays and sheets

Details Apparatus for storage and retrieval of thin trays and sheets Apparatus for storage and retrieval of thin trays and sheets

1985-01-28

1986-10-28

Spar, Robert J.

Material or article handling

Plural, static structures for supporting discrete loads and...

Load-underlying members

294118, 414281, 414286, 414661, 414733, 414736, 414753, B65G 106

Patent

active

046195750

ABSTRACT:
An apparatus for selectively storing a thin tray or sheet in an elongate storage location, and retrieving trays therefrom, includes a tray extractor and a transport assembly. The tray extractor comprises a tray engagement mechanism and a tray linear movement actuator. The tray engagement mechanism operates as a hand to selectively grip or release trays which are being handled by the apparatus. The tray linear movement actuator acts as an arm to position the tray engagement mechanism and, when operated, to move an engaged tray. The tray linear movement actuator comprises a linear movement link and pulley arrangement which moves an engaged tray along a linear path of motion, and which maintains the tray engagement mechanism in a selected orientation with respect to that path of movement. The tray engagement mechanism comprises an X-shaped scissors mechanism having a plurality of jaws thereon. Scissors motion of the mechanism opens and closes the pairs of jaw members to selectively engage or disengage a tray. In the preferred embodiment, the trays comprise rectangular sheets of corrugated material having alternating troughs and rises extending generally parallel to the longer sides, and the jaws comprise cylindrical members which fit into the troughs or rises to securely engage the tray.

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