Railways – Amusement – Loop
Patent
1993-11-18
1995-11-07
Le, Mark T.
Railways
Amusement
Loop
104 53, A63G 3100
Patent
active
054639620
ABSTRACT:
To provide a compact stiff structure for a roller coaster, main bearing posts (3) are coupled at one end to support elements (1, 35) and at other ends to a closed path track (4) on which passenger cars can move. The track is formed of successive sections which present a spatial figure of varying curvature. These sections form, selectively, passenger loading and unloading sections (22, 23, 24); a hoisting section (8), a descending section (10), in the direction of the travel of the car, downstream of a peak point (9), spiral, S-shaped, and turn sections (20, 21, 50, 51, 52) and, further, a closed loop (17) arranged in, essentially, a vertical plane. The peak (18) of the loop (17) is located below peaks (9, 15) of ascending and descending sections, and the track sections above the loop are coupled to the loop by additional stiff posts (19). The path of travel of the cars is up a hoist section (8) to a peak (9), then through descending (10, 12) and ascending (11, 13) sections with intervening turns (50, 51) into the loop (17), over the peak (18) and then, with more turns, S-shaped sections (21) and/or spiral sections (52, 20, 21), through the loop (17), to terminate at the passenger loading/unloading section (22-24). Preferably, the loading/unloading section is a structure which has a central part (23) carrying the track, and laterally projecting wing parts (22, 24), with guard walls, which can be folded over the cars to form a compact shipping unit.
REFERENCES:
patent: 1805266 (1931-05-01), Traver
patent: 3631805 (1972-01-01), Schwarzkopf
patent: 4029019 (1977-06-01), Watkins
patent: 4433504 (1984-02-01), Terui
Do Linh
Le Mark T.
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