Carriage for inspecting a piping

Details Carriage for inspecting a piping Carriage for inspecting a piping

1989-08-03

1991-02-26

Olszewski, Robert P.

Railways

Monorail

104 93, 104295, 105 30, 73638, B61B 1304

Patent

active

049953206

ABSTRACT:
A carriage for inspecting a pipe, which has inspection instruments on board and which travels on the outer surface of the pipe, comprises a support member for carrying the inspection instruments, a pair of first wheeled travel bodies each of which include at least two magnetic wheels having substantially the same rotation plane, which rotation planes are substantially in parallel with the axial direction of the pipe. Further provided is a pair of second wheeled travel bodies each of which includes at least two magnetic wheels having substantially the same rotation plane, which rotation planes are substantially at right angles to the axial direction of the pipe. At least one of said pairs of wheeled travel bodies has an elevating means for adjusting a distance between the respective wheels thereof and a floor surface of the carriage.

REFERENCES:
patent: 1189501 (1916-07-01), Smith
patent: 3326496 (1967-06-01), Auberson
patent: 4010636 (1977-03-01), Clarke et al.
patent: 4175224 (1979-11-01), Sims et al.
patent: 4785902 (1988-11-01), Ochiai
patent: 4885995 (1989-12-01), Antosh

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