Measuring and testing – Vibration – By mechanical waves
Patent
1985-05-15
1986-11-11
Kreitman, Stephen A.
Measuring and testing
Vibration
By mechanical waves
324220, G01N 2900
Patent
active
046215328
ABSTRACT:
A chain-like self-moving robot includes three or more capsule units connected to one another in a string by means of couplers. By expanding and contracting intercapsule spaces in a predetermined sequence so that a smaller number of the capsules are moved while a larger number of capsules remain stationary, the chain-like robot can move forwardly or backwardly.
REFERENCES:
patent: 4372161 (1983-02-01), de Buda et al.
patent: 4460920 (1984-07-01), Weber
Nippon Kokan Tech. Report, No. 99, "The Inspection Pie Systems of Corrosion Detection for Pipeline", pp. 109-115, 1983.
Izumi Shigeru
Naitoh Shinji
Sato Chikara
Sonoda Shinji
Takagi Atsushi
Hitachi , Ltd.
Kreitman Stephen A.
Tokyo Gas Co. Ltd.
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