Railways – Traction – Longitudinal rotary shafts
Patent
1980-12-04
1982-11-16
Reese, Randolph
Railways
Traction
Longitudinal rotary shafts
B61B 1312
Patent
active
043589995
ABSTRACT:
Straight sections of track each having a drive tube are coupled together by a curved track section. Between the tracks at the curved section, there is provided a series of drive shafts whose ends are not aligned with the ends of the drive shafts in the straight track sections. Driverless trucks are provided with at least two drive wheels for frictional contact with drive shafts in the straight track sections and a discrete drive wheel for cooperation with the drive shafts in the curved track section.
REFERENCES:
patent: 402993 (1889-05-01), Judson
patent: 423872 (1890-03-01), Judson
patent: 3871303 (1975-03-01), Woodling
patent: 4048923 (1977-09-01), Giraud
Reese Randolph
SI Handling Systems Inc.
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