Balanced horizontal axis assembly for use in an automated memory

Details Balanced horizontal axis assembly for use in an automated memory Balanced horizontal axis assembly for use in an automated memory

1993-11-16

1995-10-10

Underwood, Donald W.

Material or article handling

Horizontally swinging load support

Swinging about pivot

901 17, 901 14, B66C 2300

Patent

active

054565693

ABSTRACT:
For primary use in a storage and retrieval subsystem in a data processing system, a robotic transfer system acts to transfer selected electronic magnetic storage cartridges between their storage and transducing positions, typically between vertically stacked concentric tape storage holders and a selected tape drive. The robotic transfer system for handling tape cartridges includes two hands, each mounted on a separate vertical axis disposed at opposite ends of a balanced rotating horizontal axis, such that no tape cartridge is ever more than 90.degree. away from the nearest hand. The use of two hands also provides a redundant data retrieval capability without concentrating the weight of two hands at a single end of a revolving horizontal arm, thus reducing the moments generated by angular movement and providing for faster tape access time and greater long-term system reliability.

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