Railways – Tubular way – Internal service device
Patent
1991-06-11
1992-09-01
Graham, Matthew C.
Railways
Tubular way
Internal service device
G01M 1900
Patent
active
051429900
ABSTRACT:
The self-propelled vehicle intended to move in an essentially circular space has a central load-bearing structure made of frames placed in a longitudinal direction. Sets of jacks are arranged in transverse planes perpendicular to this direction and bear at their end a set of driving elements. Each jack has hollow rods of different diameters that are disposed concentrically about a longitudinal axis of the jack. These hollow rods are connected to one another and to the jack by a member for rotating the jack together with the hollow rods about the longitudinal axis.
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patent: 4616952 (1986-10-01), Schott
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patent: 4677865 (1987-07-01), Lehmann
patent: 4770105 (1988-09-01), Takagi et al.
R.F.M. Revue Francaise de Mecanique; No. 1987-4, Societe Francaise des Mecaniciens.
Ecole Superieure des Sciences et Technologies de l'Ingenieur de
Graham Matthew C.
Le Mark T.
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