Railways – Turntables – Automobile
Patent
1977-05-10
1979-10-30
Blix, Trygve M.
Railways
Turntables
Automobile
104 38, 134 45, B60S 1302
Patent
active
041724224
ABSTRACT:
A turntable, for a vehicle such as an automobile, which employs several detectors arranged to determine whether an automobile is located on the turntable in a desired position. Since the desired position depends on the size of the automobile, at least three detectors are used, one for small, one for medium, and one for large automobiles. The output of the detectors is displayed by visual indication. When an automobile is detected in a proper position, the driver may energize the turntable driving motor to rotate the turntable any desired amount, for example, 180 degrees. As the turntable approaches the angular position in which it is to stop, a cam-follower signals the approach to that position, deenergizing the motor and may apply a brake. The turntable, however, coasts to its final position where a plunger is biased into a socket to lock the turntable. Upon restarting the turntable, the plunger is removed from the socket.
REFERENCES:
patent: 1800722 (1931-04-01), Edson
patent: 2121179 (1938-06-01), Sweetland
patent: 2964144 (1960-12-01), Wheeler
patent: 3315763 (1967-04-01), Harvey et al.
patent: 3587807 (1971-06-01), Hickman
patent: 3658590 (1972-04-01), Huebner
patent: 3747537 (1973-07-01), Matsumoto et al.
Blix Trygve M.
Hall William D.
Weaver Ross
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