Dampened spring-operated vertically accumulating container storage and retrieval system
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United States of America Patent
Stats
-
Oct 16, 2012
Grant Date -
Jun 28, 2012
app pub date -
Jun 21, 2011
filing date -
Dec 5, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A vertically accumulating storage and retrieval apparatus has a first and second plurality of substantially vertically spaced shelf assemblies supported by support structure. Each of the shelf assemblies includes a shelf tray for receiving, storing, and discharging containers. Spring biasing structure is provided for urging the shelf to the receiving position. Dampening structure dampens the movement of the shelf between the upwardly tilted receiving position and the downwardly tilted discharge position. A transfer control and transfer control linkage are provided for retaining the shelf when a shelf of a next lower shelf assembly is not prepared to receive a container, and allowing the shelf to move to the discharge position under the weight of a container disposed on the shelf when the shelf of the next lower shelf assembly is prepared to receive a container. A method for storing and retrieving containers is also disclosed.
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