Amusement devices – Illusion or stage device – Stage apparatus or setting
Patent
1997-06-20
1998-10-20
Nguyen, Kien T.
Amusement devices
Illusion or stage device
Stage apparatus or setting
472 81, A63G 3108
Patent
active
058238840
ABSTRACT:
There is described a powered stage wagon comprising a chassis; rolling support structure mounted on the chassis for engagement with a surface over which the stage wagon is to move; and first drive member mounted on the chassis and in engagement with the surface. The drive member is adapted so as to be capable of being orientated in a first direction with respect to the chassis. The stage wagon also comprises second drive member mounted on the chassis and spaced from the first drive member. The second drive member is again in engagement with the surface and capable of being orientated in a second direction with respect to the chassis. Input member are provided for receiving details of a position to which the stage wagon is to move as are computing member for calculating a travel path to enable the stage wagon to move to the position. Finally control member are provided for controlling the first and second drive member so as to move the stage wagon along the travel path.
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patent: 2846221 (1958-08-01), Skinner
patent: 3558102 (1971-01-01), Cruse
patent: 3986703 (1976-10-01), Brett et al.
patent: 4044853 (1977-08-01), Melke
patent: 4127182 (1978-11-01), Thole
patent: 4662628 (1987-05-01), Chateney Epouse Compagnone
patent: 4917217 (1990-04-01), Rogers et al.
Nguyen Kien T.
Stage Technologies Limited
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