Spring devices – Resilient shock or vibration absorber – Diverse resistance to vibration along different axes
Patent
1994-06-02
1996-01-30
Ballato, Josie A.
Spring devices
Resilient shock or vibration absorber
Diverse resistance to vibration along different axes
188267, 248581, 248604, 248614, B60P 716
Patent
active
054875331
ABSTRACT:
It is an object of the present invention to control and damp with as few actuators as possible, vibrations generated in various directions on the bed of an automatic transport vehicle employed in clean rooms and other facilities. The automatic transport vehicle of the present invention comprises a truck (1a) and bed (1b) elastically supported with respect to the truck, a plurality of actuators (36) installed between them with inclined lines of action, sensors (40) which detect acceleration in the direction of the lines of action of these actuators, vibrations being suppressed by controlling the driving force of the actuators in accordance with the acceleration detected by the sensors.
REFERENCES:
patent: 2685425 (1954-08-01), Wallerstein, Jr.
patent: 4265328 (1981-05-01), Rowa et al.
patent: 4848525 (1989-07-01), Jacot et al.
Kurita Yutaka
Muragishi Yasushi
Ballato Josie A.
Shinko Electric Co. Ltd.
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