Description
(initially found on the wikicommons, and traced in inkscape by myself...)
Description:
Side view diagram of the Back to the Future: The Ride theater showing the ride vehicles in their lowered (bottom) and raised (top) positions as well as in the process of being raised into the the theater (middle)
Source:
http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5192247
