Railways – Turntables
Patent
1990-03-21
1991-07-23
Oberleitner, Robert J.
Railways
Turntables
104 28, 104 30, 104 73, A63G 302
Patent
active
050333925
ABSTRACT:
Apparatus for loading and unloading passengers from watercraft, such as for use in boat rides at amusement parks, include a substantially planar inclined platform mounted for rotation about an axis perpendicular to the plane of the platform. The platform extends obliquely to the path of the watercraft so that a section of the platform is submerged. Watercraft traveling along a predetermined path are engaged by a section of the rotating platform as it surfaces and is carried by the platform over an arcuate path as it rotates. The watercraft is disengaged from the rotating platform as the section of the platform on which it rests submerges.
REFERENCES:
patent: 904848 (1908-11-01), Devore
patent: 1379185 (1921-05-01), Healy
patent: 1689138 (1928-10-01), Hire
patent: 3727558 (1973-04-01), Winkle
patent: 3865041 (1975-02-01), Bacon
patent: 4543886 (1985-10-01), Spieldiener et al.
Le Mark T.
Oberleitner Robert J.
Waagner-Biro Aktiengesellschaft
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