Railways – Turntables
Patent
1975-08-27
1977-11-22
Spar, Robert J.
Railways
Turntables
104166, 104252, B60S 1300, B61B 1300
Patent
active
040590534
ABSTRACT:
A transfer table is movable to place tracks thereon into and out of alignment with stationary tracks. When a driverless wheeled vehicle is on the tracks of the transfer table, and the transfer table tracks are out of alignment with the stationary tracks, a device automatically stops vehicles adjacent the free ends of the stationary tracks. A discrete rotatable drive shaft is provided between the stationary tracks and between the tracks of the transfer table for causing a driverless vehicle to move therealong.
REFERENCES:
patent: 988520 (1911-04-01), Strauss
patent: 1100184 (1914-06-01), Housman et al.
patent: 1337944 (1920-04-01), Nolan
patent: 1616368 (1927-02-01), Harmon
patent: 2593215 (1952-04-01), Summerhays
patent: 3742860 (1973-07-01), Fahringer
patent: 3858626 (1975-01-01), Ribordy
patent: 3898935 (1975-08-01), Nolie et al.
patent: 3903810 (1975-09-01), Jones
Rowold Carl
S I Handling Systems, Inc.
Spar Robert J.
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